Vehicle control method and device, vehicle and storage medium

Abstract

The invention provides a vehicle control method and device, a vehicle and a storage medium, and relates to the technical field of vehicles, and the scheme comprises the steps that in the vehicle driving process, if a mode switching request is received, vehicle driving parameters of the vehicle are obtained; wherein the mode switching request is used for requesting to adjust the power mode of the vehicle to a target power mode; determining a target delay duration according to the target power mode and the vehicle driving parameters; and after the target delay duration is reached, responding to the mode switching request, and controlling the vehicle to run in the target power mode. The scheme is used for reducing the switching frequency of the power mode so as to reduce frequent start and stop of the engine.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and more specifically, to a vehicle control method, a device, a vehicle and a storage medium in the field of vehicle technology. Background Art

[0002] Predictive energy management refers to the use of cost function calculations to predict the power mode that matches the vehicle's driving state at different stages of the future driving path in order to improve energy efficiency. However, during vehicle driving, due to the difference between the vehicle's real-time state and the predicted state, the user's driving style and other factors, the power mode predicted by predictive energy management may switch too frequently; this will cause the engine and other components to start and stop frequently, causing unnecessary wear and tear on the engine and other components, and reducing the user experience.

[0003] Therefore, how to reduce the switching frequency of power modes to reduce the frequent start and stop of the engine is a technical problem that urgently needs to be solved. Summary of the invention

[0004] The present application provides a vehicle control method, device, vehicle and storage medium, which can reduce the switching frequency of power modes to reduce the frequent start and stop of the engine.

[0005] In a first aspect, a vehicle control method is provided, the method comprising: during vehicle driving, if a mode switching request is received, obtaining vehicle driving parameters of the vehicle; wherein the mode switching request is used to request that the vehicle's power mode be adjusted to a target power mode; determining a target delay time according to the target power mode and the vehicle driving parameters; after reaching the target delay time, in response to the mode switching request, controlling the vehicle to drive in the target power mode.

[0006] In an embodiment of the present application, a target delay duration can be determined by combining the target power mode and the vehicle driving parameters; then, after reaching the target delay duration, the vehicle can be controlled to travel in the target power mode in response to the request information; in this way, when the vehicle receives the request information to adjust the vehicle's power mode to the target power mode, the time for controlling the vehicle to switch power modes can be extended by delaying the response to the request information, thereby preventing frequent starting and stopping of the engine due to frequent switching of power modes; based on this, the embodiment of the present application can reduce the switching frequency of the power mode to reduce the frequent starting and stopping of the engine.

[0007] In combination with the first aspect, in certain implementations of the first aspect, the vehicle driving parameters include: the vehicle's driving speed; determining the target delay duration based on the target power mode and the vehicle driving parameters, including: obtaining an initial delay duration based on the target power mode and the driving speed; adjusting the initial delay duration based on the target power mode and the vehicle driving parameters to obtain the target delay duration.

[0008] In an embodiment of the present application, an initial delay duration is determined according to a target power mode and a driving speed; and based on the initial delay duration, the initial delay duration is adjusted according to the target power mode and vehicle driving parameters to provide different delay durations for different power modes, which can save fuel consumption, improve energy efficiency, and enhance the user experience.

[0009] In combination with the first aspect and the above-mentioned implementation methods, in certain implementation methods of the first aspect, if the target power mode is a hybrid power mode, the vehicle driving parameters also include the vehicle's driving mode and the current opening of the accelerator pedal; according to the target power mode and the vehicle driving parameters, the initial delay duration is adjusted to obtain the target delay duration, including: if the vehicle's driving mode is a sports driving mode, the initial delay duration is shortened to obtain the target delay duration; if the vehicle's driving mode is a target driving mode, the initial delay duration is adjusted according to the driving speed and the current opening of the accelerator pedal to obtain the target delay duration; wherein, the target driving mode includes driving modes other than the sports driving mode.

[0010] In an embodiment of the present application, by combining the driving mode and the current opening of the accelerator pedal to adjust the initial delay duration, it is possible to avoid frequent engine starts and stops due to a delay duration that is too short, while determining an appropriate delay duration based on the current driving state of the vehicle, thereby improving the user experience.

[0011] In combination with the first aspect and the above-mentioned implementation methods, in certain implementation methods of the first aspect, the initial delay duration is adjusted according to the driving speed and the current opening of the accelerator pedal to obtain the target delay duration, including: if the current opening of the accelerator pedal is greater than or equal to the first preset opening, the initial delay duration is reduced to obtain the target delay duration; if the current opening of the accelerator pedal is less than the first preset opening, the initial delay duration is extended to obtain the target delay duration.

[0012] In an embodiment of the present application, the initial delay duration is adjusted according to the current opening degree of the accelerator pedal to obtain the target delay duration. In this way, the size of the target delay can be determined according to the user's acceleration needs. This can reduce the frequency of power mode switching while improving the user experience.

[0013] In combination with the first aspect and the above-mentioned implementation methods, in certain implementation methods of the first aspect, if the target power mode is the pure electric mode, the vehicle driving parameters also include the vehicle's required torque parameters, the current opening of the accelerator pedal, and the current opening of the brake pedal; according to the target power mode and the vehicle driving parameters, the initial delay duration is adjusted to obtain the target delay duration, including: if the required torque parameter indicates a positive torque, according to the current opening of the accelerator pedal, the initial delay duration is adjusted to obtain the target delay duration; if the required torque parameter indicates a negative torque, according to the current opening of the accelerator pedal and the current opening of the brake pedal, the initial delay duration is adjusted to obtain the target delay duration.

[0014] In an embodiment of the present application, when the target power mode is the pure electric mode, the initial delay duration can be adjusted according to different required torque parameters; in this way, the initial delay duration can be adaptively adjusted according to the current operating conditions of the vehicle to adapt to various scenarios for reducing the frequency of power mode switching.

[0015] In combination with the first aspect and the above-mentioned implementation methods, in some implementation methods of the first aspect, the initial delay duration is adjusted according to the current opening of the accelerator pedal to obtain the target delay duration, including: obtaining the target first duration corresponding to the current opening of the accelerator pedal from a first mapping relationship; wherein the first mapping relationship is used to indicate the mapping relationship between the opening of the accelerator pedal and the first duration; according to the target first duration, the initial delay duration is extended to obtain the target delay duration.

[0016] In an embodiment of the present application, if the required torque parameter indicates a positive torque, the target delay duration is obtained by obtaining the target first duration corresponding to the current opening of the accelerator pedal to extend the initial delay duration. In this way, the size of the target delay can be determined in combination with the user's acceleration needs. This can reduce the frequency of power mode switching while improving the user's experience.

[0017] In combination with the first aspect and the above-mentioned implementation methods, in certain implementation methods of the first aspect, the initial delay duration is adjusted according to the current opening of the accelerator pedal and the current opening of the brake pedal to obtain a target delay duration, including: if the current opening of the accelerator pedal and the current opening of the brake pedal are the second preset openings, the initial delay duration is used as the target delay duration; if the current opening of the accelerator pedal is the second preset opening and the current opening of the brake pedal is greater than or equal to the third preset opening, the initial delay duration is shortened according to the current opening of the brake pedal and the second mapping relationship to obtain the target delay duration; wherein, the second mapping relationship is used to indicate the mapping relationship between the opening of the brake pedal and the second duration; if the current opening of the brake pedal is greater than or equal to the third preset opening, and the opening of the accelerator pedal is greater than or equal to the fourth preset opening, the initial delay duration is shortened according to the current opening of the brake pedal and the third mapping relationship to obtain the target delay duration; wherein, the third mapping relationship is used to indicate the mapping relationship between the opening of the brake pedal and the third duration.

[0018] In an embodiment of the present application, if the required torque parameter indicates a negative torque, the current opening of the accelerator pedal and the current opening of the brake pedal are judged to determine whether to shorten or maintain the initial delay duration, and obtain the target delay duration. In this way, the size of the target delay can be determined in combination with the user's acceleration needs, which can improve the user experience while reducing the frequency of power mode switching.

[0019] In a second aspect, a vehicle control device is provided, which includes: an acquisition module, which is used to acquire vehicle driving parameters of the vehicle if a mode switching request is received during vehicle driving; wherein the mode switching request is used to request that the vehicle's power mode be adjusted to a target power mode; a determination module, which is used to determine a target delay time according to the target power mode and the vehicle driving parameters; and a control module, which is used to control the vehicle to travel in the target power mode in response to the mode switching request after reaching the target delay time.

[0020] In a possible implementation, the determination module is specifically used to obtain an initial delay duration according to a target power mode and a driving speed; and to adjust the initial delay duration according to the target power mode and vehicle driving parameters to obtain a target delay duration.

[0021] In one possible implementation, the determination module is also used to shorten the initial delay duration to obtain a target delay duration if the vehicle's driving mode is a sports driving mode; if the vehicle's driving mode is a target driving mode, adjust the initial delay duration according to the driving speed and the current opening of the accelerator pedal to obtain the target delay duration; wherein the target driving mode includes driving modes other than the sports driving mode.

[0022] In one possible implementation, the determination module is also used to reduce the initial delay duration to obtain the target delay duration if the current opening of the accelerator pedal is greater than or equal to the first preset opening; if the current opening of the accelerator pedal is less than the first preset opening, extend the initial delay duration to obtain the target delay duration.

[0023] In one possible implementation, the determination module is also used to adjust the initial delay duration according to the current opening of the accelerator pedal to obtain the target delay duration if the required torque parameter indicates a positive torque; and to adjust the initial delay duration according to the current opening of the accelerator pedal and the current opening of the brake pedal to obtain the target delay duration if the required torque parameter indicates a negative torque.

[0024] In one possible implementation, the determination module is also used to obtain a target first duration corresponding to the current opening of the accelerator pedal from a first mapping relationship; wherein the first mapping relationship is used to indicate a mapping relationship between the opening of the accelerator pedal and the first duration; and according to the target first duration, the initial delay duration is extended to obtain a target delay duration.

[0025] In one possible implementation, the determination module is also used to use the initial delay duration as the target delay duration if the current opening of the accelerator pedal and the current opening of the brake pedal are the second preset opening; if the current opening of the accelerator pedal is the second preset opening and the current opening of the brake pedal is greater than or equal to the third preset opening, shorten the initial delay duration according to the current opening of the brake pedal and the second mapping relationship to obtain the target delay duration; wherein the second mapping relationship is used to indicate the mapping relationship between the opening of the brake pedal and the second duration; if the current opening of the brake pedal is greater than or equal to the third preset opening, and the opening of the accelerator pedal is greater than or equal to the fourth preset opening, shorten the initial delay duration according to the current opening of the brake pedal and the third mapping relationship to obtain the target delay duration; wherein the third mapping relationship is used to indicate the mapping relationship between the opening of the brake pedal and the third duration.

[0026] In a third aspect, a vehicle is provided, comprising a memory and a processor. The memory is used to store executable program code, and the processor is used to call and run the executable program code from the memory, so that the vehicle executes the method in the first aspect or any possible implementation of the first aspect.

[0027] In a fourth aspect, a computer program product is provided, comprising: a computer program code, which, when executed on a computer, enables the computer to execute the method in the first aspect or any possible implementation of the first aspect.

[0028] In a fifth aspect, a computer-readable storage medium is provided, which stores a computer program code. When the computer program code runs on a computer, the computer executes the method in the above-mentioned first aspect or any possible implementation manner of the first aspect. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of a related technology scenario provided by an embodiment of the present application;

[0030] Figure 2 is a flow chart of a vehicle control method provided in an embodiment of the present application;

[0031] Figure 3 is a flow chart of another vehicle control method provided in an embodiment of the present application;

[0032] Figure 4 is a structural schematic diagram of a vehicle control device provided in an embodiment of the present application;

[0033] Figure 5 It is a structural schematic diagram of a vehicle provided in an embodiment of the present application. DETAILED DESCRIPTION

[0034] The technical solution in the present application will be described clearly and in detail below in conjunction with the accompanying drawings. In the description of the embodiments of the present application, unless otherwise specified, " / " means or, for example, A / B can mean A or B: "and / or" in the text is only a description of the association relationship of associated objects, indicating that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist at the same time, and B exists alone. In addition, in the description of the embodiments of the present application, "multiple" means two or more than two.

[0035] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as suggesting or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0036] (1) Power mode: usually refers to a setting or mode in the vehicle's drive system, which mainly affects the vehicle's power output and driving performance. In different power modes, the vehicle's power system (such as the engine, motor, etc.) will work in different ways, thereby providing different driving experiences. Power modes can generally include: Hybrid Electric Vehicle (HEV) mode and pure electric Vehicle (EV) mode.

[0037] (a) Hybrid mode: Hybrid drive is achieved through the synergy of the internal combustion engine and the electric motor.

[0038] (b) Pure Electric Mode: When Pure Electric Mode is enabled, the fuel engine stops working and is powered only by the generator (or electric motor). This mode is particularly suitable for congested roads in cities, because in these situations, pure electric driving can significantly reduce fuel consumption and emissions.

[0039] (2) Driving mode: refers to the vehicle's adjustment of operating parameters of components such as the engine, transmission, suspension system, and steering system under different driving conditions and requirements to provide different driving experiences and performance. Different driving modes can optimize the performance of the vehicle under specific conditions and improve driving comfort, safety, or economy. Driving modes may include: normal driving mode (normal mode), sports driving mode (sports mode), economic driving mode (economic mode), snow driving mode (snow mode), off-road driving mode (off-road mode), etc. Among them, the sports driving mode can be used to increase the engine response speed and make the throttle response more sensitive.

[0040] Predictive energy management refers to predicting the power mode that matches the vehicle's driving state at different driving stages of the future driving route through cost function calculation to improve energy efficiency. Specifically, predictive energy management can be based on navigation information (e.g., map reconstruction information), using the vehicle's driving state, historical data, and information on different driving stages of the future driving route, and using an algorithm model (e.g., a cost function algorithm model) to predict and optimize the vehicle's power mode selection at different driving stages of the future driving route to achieve technology that minimizes energy consumption and optimizes performance.

[0041] For example, Figure 1 As shown, Figure 1 A schematic diagram of a related technology scenario. Figure 1 The scene 100 in FIG. 1 includes a driving segment 110 (the driving segment 110 may be a future driving path predicted by predictive energy management) and a vehicle 120. The driving path 110 includes a plurality of driving stages; for example, the plurality of driving stages include sequentially adjacent driving stages 111, 112, 113, and 114. The driving stage 111 corresponds to a hybrid mode, the driving stage 112 corresponds to a pure electric mode, the driving stage 113 corresponds to a hybrid mode, and the driving stage 114 corresponds to a pure electric mode.

[0042] However, during vehicle driving, due to the difference between the real-time state and the predicted state of the vehicle, the user's driving style and other factors, the power mode switching predicted by the predictive energy management (for example, switching between pure electric mode and hybrid mode) may be too frequent; for example Figure 1 The driving stages 111, 112, 113 and 114 are adjacent to each other in sequence; this will result in frequent starts and stops of the engine and other components, causing unnecessary wear on the engine and other components, and reducing the user experience.

[0043] For example, if there is a difference between the real-time state and the predicted state of the vehicle, the power mode determined by the predictive energy management may not be effective in actual application; if there are differences in driving styles among different users, for example, some users are accustomed to frequent acceleration or deceleration, the predictive energy management may misjudge the energy mode of each driving stage, and at the same time increase the frequency of power mode switching.

[0044] In addition, the frequent starting and stopping of the engine and other components will not only reduce the efficiency of the engine, but also increase noise and vibration, causing discomfort to users.

[0045] Therefore, how to reduce the switching frequency of power modes to reduce the frequent start and stop of the engine is a technical problem that urgently needs to be solved.

[0046] In view of this, the present application proposes a vehicle control method, device, vehicle and storage medium; the present application can determine the target delay duration by combining the target power mode and vehicle driving parameters; then, after reaching the target delay duration, the vehicle can be controlled to travel in the target power mode in response to the request information; through the embodiments of the present application, the switching frequency of the power mode can be reduced to reduce the frequent start and stop of the engine.

[0047] In order to illustrate the technical solution described in this application, a specific embodiment is provided below for illustration.

[0048] Combine the following Figures 2 to 3 The vehicle control method provided in the embodiment of the present application is described in detail.

[0049] It should be understood that the embodiments of the present application do not specifically limit the execution subject of the vehicle control method, as long as the vehicle control method of the embodiments of the present application can be communicated by running a program that records the code of the vehicle control method of the embodiments of the present application. For example, the execution subject of the vehicle control method provided in the embodiments of the present application may be a vehicle, or a vehicle control device used in a vehicle, such as a chip.

[0050] Figure 2 A schematic flow chart of a vehicle control method provided in an embodiment of the present application. The vehicle control method includes S201 to S203.

[0051] For example, the embodiment of the present application is described by taking the vehicle having two power modes, namely the hybrid power mode and the pure electric mode as an example. Therefore, when switching the power mode, there are two switching methods: switching from the hybrid power mode to the pure electric mode; switching from the pure electric mode to the hybrid power mode. Of course, when the vehicle has multiple power modes, the control method of a vehicle in the embodiment of the present application can also be referred to.

[0052] S201 to S203 are described below as an example.

[0053] S201. During vehicle driving, if a mode switching request is received, obtain vehicle driving parameters of the vehicle.

[0054] The mode switching request is used to request that the power mode of the vehicle be adjusted to a target power mode.

[0055] Exemplarily, the mode switch request may be used to request that the power mode of the vehicle be switched from the current power mode of the vehicle to the target power mode; for example, the mode switch request mode is used to request that the power mode of the vehicle be switched from the hybrid mode to the pure electric mode.

[0056] Exemplarily, an embodiment of the present application is used to predict the power mode of the vehicle at different driving stages in a future driving path during the vehicle's driving. The request for switching can be used to request switching of the power mode between two adjacent driving stages. For example, the future driving path includes two adjacent driving stages, namely driving stage 1 and driving stage 2. The power mode of the vehicle in driving stage 1 is a pure electric mode, and the power mode in driving stage 2 is a hybrid power mode. When the vehicle is driving in driving stage 1, the request for switching can be used to request that the power mode of the vehicle be switched from the pure electric mode corresponding to driving stage 1 to the hybrid power mode corresponding to driving stage 2.

[0057] For example, the vehicle driving parameters can reflect the driving state of the vehicle to determine the power mode currently matched with the vehicle when it is driving. The vehicle driving parameters can include the vehicle's driving speed, the vehicle's driving mode, the current opening of the vehicle's accelerator pedal, the current opening of the vehicle's brake pedal, and the required torque parameter, etc.

[0058] For example, the vehicle's driving speed can be an important parameter for judging the current appropriate power mode and determining the delay duration; for example, at low speeds, the vehicle can be suitable for driving in pure electric mode, and at high speeds, the vehicle can be suitable for driving in hybrid power mode.

[0059] For another example, the opening of the accelerator pedal can be used to reflect the degree of acceleration of the vehicle. The opening of the accelerator pedal can refer to the displacement or angle change of the pedal relative to its initial position (when not pressed) when the user presses the accelerator pedal. The larger the opening of the accelerator pedal, the stronger the user's desire to accelerate the vehicle. The opening of the accelerator pedal is usually expressed as a percentage, where 0% means that the accelerator pedal is not pressed at all (i.e., zero position), and 100% means that the accelerator pedal is pressed to the bottom.

[0060] For another example, the brake pedal can reflect the degree of deceleration or braking of the vehicle. The opening of the brake pedal is usually used to indicate the user's demand for braking force. The opening of the brake pedal can refer to the displacement or angle change of the pedal relative to its initial position (when not pressed) when the user presses the brake pedal. The larger the opening of the brake pedal, the faster the user wants the vehicle to decelerate or stop. The opening of the brake pedal is usually expressed as a percentage, where 0% means that the brake pedal is not pressed at all (i.e., zero position), and 100% means that the brake pedal is pressed all the way down.

[0061] For another example, the required torque parameter may refer to the torque parameter required to meet the user's driving intentions (such as acceleration, deceleration, and constant speed driving, etc.) and other vehicle operation requirements (such as overcoming resistance, going uphill, etc.); the torque parameter is calculated by the vehicle's control system based on real-time driving conditions, user input (such as the opening of the accelerator pedal, the opening of the brake pedal, etc.) and the vehicle's power performance parameters.

[0062] S202. Determine a target delay time according to the target power mode and vehicle driving parameters.

[0063] Exemplarily, the vehicle driving parameters may be used to reflect the current driving state of the vehicle.

[0064] For example, different power modes can determine the target delay duration for different vehicle driving parameters. For example, when the target power mode is the pure electric mode, the target delay duration can be determined based on the driving speed, the required torque parameter, the current opening of the accelerator pedal (also referred to as the throttle pedal), and the current opening of the brake pedal. When the target power mode is the hybrid power mode, the target delay duration can be determined based on the driving speed, the vehicle's driving mode, and the current opening of the accelerator pedal.

[0065] For a detailed description of S202, please refer to the following embodiments, which will not be described again here.

[0066] S203: After reaching the target delay time, in response to a mode switching request, control the vehicle to travel in the target power mode.

[0067] It is understandable that when the vehicle switches power modes, in order to reduce the frequent switching of the vehicle, a target delay time can be used before switching the power mode to increase the delayed response to the power mode arbitration, thereby preventing frequent engine start and stop caused by frequent switching of power modes. This can not only reduce unnecessary energy consumption, but also improve driving comfort and stability.

[0068] In an embodiment of the present application, a target delay duration can be determined by combining the target power mode and the vehicle driving parameters; then, after reaching the target delay duration, the vehicle can be controlled to travel in the target power mode in response to the request information; in this way, when the vehicle receives the request information to adjust the vehicle's power mode to the target power mode, the time for controlling the vehicle to switch power modes can be extended by delaying the response to the request information, thereby preventing frequent starting and stopping of the engine due to frequent switching of power modes; based on this, the embodiment of the present application can reduce the switching frequency of the power mode to reduce the frequent starting and stopping of the engine.

[0069] In a possible embodiment of the present application, the vehicle driving parameters include: the vehicle's driving speed; the above S202 includes: obtaining an initial delay duration corresponding to the driving speed according to the target power mode and the driving speed; adjusting the initial delay duration according to the target power mode and the vehicle driving parameters to obtain the target delay duration.

[0070] For example, the initial delay time can be determined by the current vehicle speed and the target power mode. Generally speaking, considering the energy consumption of the vehicle, when the vehicle speed is low, the vehicle can be driven in a pure electric mode; when the vehicle speed is high, the vehicle can be driven in a hybrid mode.

[0071] Optionally, the initial delay duration may also be a value preconfigured by the vehicle, or a value set manually.

[0072] As an example, when the vehicle is running in hybrid mode and the target power mode is pure electric mode; when the vehicle is running at a low speed, the pure electric mode is more efficient at low speeds and has a small equivalent energy consumption, so the initial delay time can be relatively short, so that the vehicle switches to the pure electric mode more quickly; when the vehicle is running at a high speed, the motor operation indicated by the pure electric mode is difficult to provide sufficient driving force, so the initial delay time can be relatively long, so as to keep the vehicle running in hybrid mode for a longer time. In other words, when the target power mode is pure electric mode, there is a positive relationship between the vehicle's running speed and the initial delay time.

[0073] For example, as shown in Table 1, Table 1 is a corresponding relationship table between the vehicle's driving speed range and the initial delay time when the target power mode is the pure electric mode. The driving speed in Table 1 is in units of kilometers per hour (km / h); the initial delay time is in units of seconds (s).

[0074] Table 1

[0075]

[0076] For example: when the target power mode is the pure electric mode, when the driving speed is within the driving speed range A1, the initial delay time corresponding to the driving speed that can be obtained from Table 1 is 4s; when the driving speed is within the driving speed range A2, the initial delay time corresponding to the driving speed that can be obtained from Table 1 is 4.5s; when the driving speed is within the driving speed range A3, the initial delay time corresponding to the driving speed that can be obtained from Table 1 is 5s; when the driving speed is within the driving speed range A4, the initial delay time corresponding to the driving speed that can be obtained from Table 1 is 5.5s; when the driving speed is within the driving speed range A5, the initial delay time corresponding to the driving speed that can be obtained from Table 1 is 6s; when the driving speed is within the driving speed range A6, the initial delay time corresponding to the driving speed that can be obtained from Table 1 is 7s.

[0077] It should be explained that Table 1 only provides an exemplary description of the corresponding relationship between the vehicle's driving speed range and the initial delay time when the target power mode is the pure electric mode; the initial delay time is specifically set according to the actual application scenario.

[0078] It is understandable that when the target power mode is hybrid mode, if the driving speed is high, the motor operation indicated by the pure electric mode may not provide sufficient acceleration to meet the user's driving needs. At this time, the hybrid mode will be more suitable, so the initial delay time will be appropriately reduced.

[0079] As another example, when the vehicle is running in pure electric mode and the target power mode is hybrid mode; when the vehicle is running at a low speed, since the equivalent energy consumption required for adopting the pure electric mode is small, the initial delay time can be relatively long to keep the vehicle running in pure electric mode for a longer time. When the vehicle is running at a high speed, since the motor operation indicated by the pure electric mode may not provide sufficient acceleration to meet the user's driving needs, the energy consumed by adopting the hybrid mode is low at this time, so the initial delay time can be relatively short to enable the vehicle to switch to the hybrid mode more quickly; in other words, when the target power mode is hybrid mode, there is a negative relationship between the vehicle's running speed and the initial delay time.

[0080] For example, as shown in Table 2, Table 2 is a corresponding relationship table between the vehicle's driving speed range and the initial delay time when the target power mode is the hybrid power mode. The unit used for the driving speed in Table 2 can refer to Table 1 above.

[0081] Table 2

[0082]

[0083] For example: when the target power mode is the hybrid mode, when the driving speed is within the driving speed range B1, the initial delay time corresponding to the driving speed that can be obtained from Table 1 is 7s; when the driving speed is within the driving speed range B2, the initial delay time corresponding to the driving speed that can be obtained from Table 1 is 6s; when the driving speed is within the driving speed range B3, the initial delay time corresponding to the driving speed that can be obtained from Table 1 is 5.5s; when the driving speed is within the driving speed range B4, the initial delay time corresponding to the driving speed that can be obtained from Table 1 is 5s; when the driving speed is within the driving speed range B5, the initial delay time corresponding to the driving speed that can be obtained from Table 1 is 4.5s; when the driving speed is within the driving speed range B6, the initial delay time corresponding to the driving speed that can be obtained from Table 1 is 4s.

[0084] It should be explained that Table 2 only provides an exemplary description of the corresponding relationship between the vehicle's driving speed range and the initial delay time when the target power mode is the hybrid power mode; the initial delay time is specifically set according to the actual application scenario.

[0085] Optionally, the embodiment of the present application may also directly use the initial delay duration as the target delay duration; in other words, after reaching the initial delay duration, in response to a mode switching request, the vehicle is controlled to travel in the target power mode.

[0086] For example, when the initial delay duration is obtained, the initial delay duration can be adjusted according to the target power mode and the vehicle's driving parameters to obtain the target delay duration set for the target power mode and the vehicle's driving state, thereby further improving energy utilization efficiency and user experience.

[0087] Exemplarily, the initial delay duration may be adjusted by shortening the initial delay duration or by extending the initial delay duration.

[0088] As an example, the initial delay duration can be adjusted according to a preset duration; the preset duration can be a pre-configured value of the vehicle or a manually set value, and the embodiments of the present application do not impose specific restrictions on this. For example, the preset duration can be 0.5s. For example, the preset duration can be shortened (for example, 0.5s) based on the initial delay duration (for example, 5s) to obtain a target delay duration (for example, 4.5s); the preset duration can also be extended (for example, 0.5s) based on the initial delay duration (for example, 5s) to obtain a target delay duration (for example, 5.5s).

[0089] As another example, the target duration corresponding to the target power mode and the vehicle's driving parameters can be obtained from a mapping table according to the target power mode and the vehicle's driving parameters; then, the initial delay duration can be adjusted according to the target duration. For example, the target duration can be shortened (e.g., 1 s) based on the initial delay duration (e.g., 5 s) to obtain a target delay duration (e.g., 4 s); the target duration can also be extended (e.g., 1 s) based on the initial delay duration (e.g., 5 s) to obtain a target delay duration (e.g., 6 s).

[0090] In an embodiment of the present application, an initial delay duration corresponding to the driving speed is determined according to the target power mode and the driving speed; and on the basis of the initial delay duration, the initial delay duration is adjusted according to the target power mode and the vehicle driving parameters to provide different delay durations for different power modes, which can save fuel consumption and improve energy utilization efficiency and user experience.

[0091] In a possible embodiment of the present application, if the target power mode is a hybrid power mode, the vehicle driving parameters also include the vehicle's driving mode and the current opening of the accelerator pedal; according to the target power mode and the vehicle driving parameters, the initial delay duration is adjusted to obtain the target delay duration, including: if the vehicle's driving mode is a sports driving mode, shortening the initial delay duration to obtain the target delay duration; if the vehicle's driving mode is the target driving mode, adjusting the initial delay duration according to the current opening of the accelerator pedal to obtain the target delay duration.

[0092] The target driving mode includes driving modes other than the sports driving mode.

[0093] For example, when the vehicle is driven in the target driving mode, the power demand is usually relatively weak to save energy. The target driving mode may include a normal driving mode, a sports driving mode, an economic driving mode, a snow driving mode, an off-road driving mode, and the like.

[0094] It should be explained that the power mode in the embodiments of the present application refers to the operating mode of the vehicle's power system (engine, motor, gearbox, etc.); the power mode determines the output characteristics and energy management strategy of the power system, specifically refers to how the vehicle uses energy to drive the vehicle forward, and is a key factor affecting the vehicle's energy consumption, emissions and performance.

[0095] The driving mode in the embodiment of the present application refers to a driving state set for the vehicle to adapt to different driving environments and driver needs; the driving mode provides different driving experiences and performances by adjusting the vehicle's suspension, steering, power output and other parameters.

[0096] As an example, when the driving mode is sports driving mode, the engine response speed can be increased and the throttle response can be more sensitive. In sports driving mode, users usually expect the vehicle to respond quickly to acceleration requests to provide a more aggressive driving experience. Therefore, in order to ensure that the vehicle can quickly output stronger power, the initial delay time can be shortened to obtain the target delay time; while avoiding the frequent engine start and stop caused by too short a delay time, it can also ensure that the vehicle can quickly switch to hybrid mode.

[0097] For example, referring to the corresponding relationship table between the vehicle's driving speed range and the initial delay duration shown in Table 2 above: when the vehicle's driving speed is 30km / h, since the driving speed is within the driving speed range B2, the initial delay duration can be obtained as 5.5s; since the vehicle's driving mode is a sports driving mode, the initial delay duration can be shortened; for example, the preset duration (for example, 0.5s) can be shortened on the basis of the initial delay duration (5.5s) to obtain the target delay duration (5s). When the vehicle's driving speed is 130km / h, since the driving speed is within the driving speed range B6, the initial delay duration can be obtained as 4s; since the vehicle's driving mode is a sports driving mode, the initial delay duration can be shortened; for example, the preset duration (for example, 0.5s) can be shortened on the basis of the initial delay duration (4s) to obtain the target delay duration (3.5s).

[0098] As another example, when the driving mode is the target driving mode, the vehicle's demand for power is relatively weak; therefore, according to the current opening of the accelerator pedal, the initial delay duration is adjusted to obtain the target delay duration.

[0099] Regarding how to adjust the initial delay time according to the current opening of the accelerator pedal if the driving mode is the target driving mode, reference may be made to the following embodiments, which will not be described in detail here.

[0100] In an embodiment of the present application, by combining the driving mode and the current opening of the accelerator pedal to adjust the initial delay duration, it is possible to avoid frequent engine starts and stops due to a delay duration that is too short, while determining an appropriate delay duration based on the current driving state of the vehicle, thereby improving the user experience.

[0101] In a possible embodiment of the present application, if the driving mode of the vehicle is the target driving mode, the initial delay duration is adjusted according to the current opening of the accelerator pedal to obtain the target delay duration, including: if the current opening of the accelerator pedal is greater than or equal to the first preset opening, the initial delay duration is reduced to obtain the target delay duration; if the current opening of the accelerator pedal is less than the first preset opening, the initial delay duration is extended to obtain the target delay duration.

[0102] For example, the current opening of the accelerator pedal can be used to reflect the user's acceleration intention. When the current opening of the accelerator pedal is small, it can indicate that the user's acceleration demand is relatively mild. In this case, the initial delay time can be extended to avoid unnecessary power mode switching. When the current opening of the accelerator pedal is large, it indicates that the user has a need for acceleration. In this case, the initial delay time can be shortened to quickly switch to the hybrid mode that can provide more power.

[0103] For example, the first preset opening degree may be a value pre-configured by the vehicle, or may be a value set manually, and the present embodiment of the application does not impose any specific limitation on this. For example, the first preset opening degree may be set to 40%.

[0104] For example, refer to Table 2: when the vehicle's driving speed is 70 km / h, since the driving speed is within the driving speed range B4, the initial delay duration can be obtained as 5 s; since the vehicle's driving mode is the target driving mode, the initial delay duration can be adjusted according to the current opening of the accelerator pedal to obtain the target delay duration.

[0105] For example, if the current opening of the accelerator pedal is 60%, the current opening of the accelerator pedal is greater than the first preset opening, so that the preset time (for example, 0.5s) can be shortened based on the initial delay time (5s) to obtain the target delay time (for example, 4.5s). In this way, when the user has an acceleration demand, the power mode switching frequency can be reduced while also being able to quickly switch to the hybrid electric mode.

[0106] For another example, if the current opening of the accelerator pedal is 30%, the current opening of the accelerator pedal is less than the first preset opening, so the preset time (for example, 0.5s) can be extended on the basis of the initial delay time (5s) to obtain the target delay time (for example, 5.5s). In this way, when the driving mode is the target driving mode and the user's acceleration demand is not high, the switching frequency of the power mode can be reduced.

[0107] In an embodiment of the present application, the initial delay duration is adjusted according to the current opening degree of the accelerator pedal to obtain the target delay duration. In this way, the size of the target delay can be determined according to the user's acceleration needs. This can reduce the frequency of power mode switching while improving the user experience.

[0108] In a possible embodiment of the present application, if the target power mode is a pure electric mode, the vehicle driving parameters also include the vehicle's required torque parameters, the current opening of the accelerator pedal, and the current opening of the brake pedal; according to the target power mode and the vehicle driving parameters, the initial delay duration is adjusted to obtain the target delay duration, including: if the required torque parameter indicates a positive torque, according to the current opening of the accelerator pedal, the initial delay duration is adjusted to obtain the target delay duration; if the required torque parameter indicates a negative torque, according to the current opening of the accelerator pedal and the current opening of the brake pedal, the initial delay duration is adjusted to obtain the target delay duration.

[0109] As an example, the required torque parameter indicates a positive torque, which may indicate that the vehicle needs to generate a positive torque output, that is, needs to accelerate or maintain the current speed. In this case, the user usually steps on the accelerator pedal to increase the load on the engine so that the engine generates enough torque to drive the vehicle forward.

[0110] As another example, the required torque parameter indicates a negative torque, which may indicate that the vehicle needs to generate a negative torque output, that is, needs to decelerate or coast. In this case, the user may release the accelerator pedal (that is, the current opening of the accelerator pedal is 0%), or step on the brake pedal to reduce or offset the driving force of the engine to decelerate or stop the vehicle.

[0111] For a specific description of obtaining a target delay time if the required torque parameter indicates a positive torque, and an exemplary description of obtaining a target delay time if the required torque parameter indicates a negative torque, reference may be made to the following embodiments, which will not be repeated here.

[0112] In an embodiment of the present application, when the target power mode is the pure electric mode, the initial delay duration can be adjusted according to different required torque parameters; in this way, the initial delay duration can be adaptively adjusted according to the current operating conditions of the vehicle to adapt to various scenarios for reducing the frequency of power mode switching.

[0113] In a possible embodiment of the present application, if the required torque parameter indicates a positive torque, the initial delay duration is adjusted according to the current opening of the accelerator pedal to obtain a target delay duration, including: obtaining a target first duration corresponding to the current opening of the accelerator pedal from a first mapping relationship; and extending the initial delay duration according to the target first duration to obtain a target delay duration.

[0114] The first mapping relationship is used to indicate the mapping relationship between the opening degree of the accelerator pedal and the first duration. For example, the first mapping relationship may include at least one set of the opening degree of the accelerator pedal and the first duration corresponding to the opening degree of the accelerator pedal.

[0115] For example, when the required torque parameter indicates positive torque, the vehicle needs to generate positive torque output, that is, it needs to accelerate or maintain the current speed; because the motor operation indicated by the pure electric mode may not provide sufficient acceleration to meet the user's driving needs, the energy consumed by adopting the hybrid mode is low at this time; therefore, if it is necessary to switch the hybrid mode to the pure electric mode, the initial delay period can be further extended.

[0116] For example, as shown in Table 3, Table 3 is a mapping relationship table between the opening of the accelerator pedal and the first duration. The unit of the opening of the accelerator pedal in Table 3 is: percentage (%); the unit of the first duration is: second (s). It should be explained that Table 3 is an exemplary description for representing the first mapping relationship; the specific representation structure of the first mapping relationship is not specifically limited in the embodiments of the present application.

[0117] Table 3

[0118]

[0119] For example: when the target power mode is the pure electric mode, when the current opening of the accelerator pedal is 0%, the target first time length corresponding to the current opening of the accelerator pedal of 0% obtained from Table 3 is 0s; when the current opening of the accelerator pedal is within the opening range C1(0,20], the target first time length corresponding to the current opening of the accelerator pedal obtained from Table 3 is 0.4s; when the current opening of the accelerator pedal is within the opening range C2(20,40], the target first time length corresponding to the current opening of the accelerator pedal obtained from Table 3 is 0.8s; when the current opening of the accelerator pedal is within the opening range C3(40,60], the target first time length corresponding to the current opening of the accelerator pedal obtained from Table 3 is 1.2s; when the current opening of the accelerator pedal is within the opening range C4(60,80], the target first time length corresponding to the current opening of the accelerator pedal obtained from Table 3 is 1.6s; when the current opening of the accelerator pedal is within the opening range C5(80,100], the target first time length corresponding to the current opening of the accelerator pedal obtained from Table 3 is 2.0s.

[0120] It should be explained that Table 3 only provides an exemplary description of the corresponding relationship between the opening degree of the accelerator pedal and the first duration when the target power mode is the pure electric mode; the first duration is specifically set according to the actual application scenario.

[0121] For example, referring to Table 1 and Table 3: when the vehicle's driving speed is 30 km / h and the current opening of the vehicle's accelerator pedal is 50%, since the driving speed is within the driving speed range A2 in Table 1, the initial delay duration can be obtained as 4.5 s; since the current opening of the accelerator pedal is within the opening range C3 in Table 3, the first duration can be obtained as 1.2 s; and then, based on the initial delay duration (4.5 s), the first duration (1.2 s) is extended to obtain the target delay duration (5.7 s).

[0122] In an embodiment of the present application, if the required torque parameter indicates a positive torque, the target delay duration is obtained by obtaining the target first duration corresponding to the current opening of the accelerator pedal to extend the initial delay duration. In this way, the size of the target delay can be determined in combination with the user's acceleration needs. This can reduce the frequency of power mode switching while improving the user's experience.

[0123] In a possible embodiment of the present application, if the required torque parameter indicates a negative torque, the initial delay duration is adjusted according to the current opening of the accelerator pedal and the current opening of the brake pedal to obtain the target delay duration, including the following three methods:

[0124] Method 1: If the current opening of the accelerator pedal and the current opening of the brake pedal are the second preset opening, the initial delay time is used as the target delay time.

[0125] Exemplarily, the second preset opening can be set to zero or other openings; when the second preset opening is zero, if the opening of the accelerator pedal and the opening of the brake pedal are zero, it can be said that the current user does not control the acceleration of the vehicle, nor does he control the deceleration of the vehicle; at this time, the vehicle is in a sliding state. It should be understood that the sliding state means that the user neither steps on the accelerator pedal nor the brake pedal, and the vehicle has a certain speed. At this time, the whole vehicle does not need driving force or braking force, and the energy control system cuts off the power output of the engine and the motor, allowing the vehicle to slide freely.

[0126] Mode 2: If the current opening of the accelerator pedal is the second preset opening and the opening of the brake pedal is greater than or equal to the third preset opening, the initial delay duration is shortened according to the current opening of the brake pedal and the second mapping relationship to obtain the target delay duration. The second mapping relationship is used to indicate the mapping relationship between the opening of the brake pedal and the second duration. Exemplarily, the second mapping relationship may include at least one set of the opening of the brake pedal and the second duration.

[0127] For example, the third preset opening degree may be a value pre-configured by the vehicle, or may be a value set manually, and the present embodiment does not impose any specific limitation on this. For example, the third preset opening degree may be set to 50%.

[0128] For example, if the current opening of the accelerator pedal is the second preset opening and the current opening of the brake pedal is greater than or equal to the third preset opening (e.g., 50%), it can be said that the current user controls the vehicle to decelerate and triggers the braking action; at this time, the vehicle is in a braking state. It should be understood that the braking state means that when the user steps on the brake pedal, the vehicle quickly responds to the user's deceleration request and controls the vehicle to decelerate through the vehicle's braking module.

[0129] As an example, if the current opening of the accelerator pedal is the second preset opening and the current opening of the brake pedal is greater than or equal to the third preset opening, the target second time duration corresponding to the current opening of the brake pedal is obtained from the second mapping relationship; according to the target second time duration, the initial delay time duration is shortened to obtain the target delay time duration.

[0130] For example, as shown in Table 4, Table 4 is a mapping relationship table between the opening of the brake pedal and the second duration. The unit of the opening of the brake pedal in Table 4 is: percentage (%); the unit of the second duration is: second (s). It should be explained that Table 4 is an exemplary description for representing the second mapping relationship; the specific representation structure of the second mapping relationship is not specifically limited in the embodiments of the present application.

[0131] Table 4

[0132]

[0133] For example, when the target power mode is the pure electric mode, when the current opening of the brake pedal is 0%, the target second time length corresponding to the current opening of the brake pedal of 0% obtained from Table 4 is 0s; when the current opening of the brake pedal is within the opening range D1(0,20], the target second time length corresponding to the current opening of the brake pedal obtained from Table 4 is 0.4s; when the current opening of the brake pedal is within the opening range D2(20,40], the target second time length corresponding to the current opening of the brake pedal obtained from Table 4 is 0.8s; when the current opening of the brake pedal is within the opening range D3(40,60], the target second time length corresponding to the current opening of the brake pedal obtained from Table 4 is 1.2s; when the current opening of the brake pedal is within the opening range D4(60,80], the target second time length corresponding to the current opening of the brake pedal obtained from Table 4 is 1.6s; when the current opening of the brake pedal is within the opening range D5(80,100], the target second time length corresponding to the current opening of the brake pedal obtained from Table 4 is 2.0s.

[0134] It should be explained that Table 4 only provides an exemplary description of the corresponding relationship between the opening of the brake pedal and the second time duration when the target power mode is the pure electric mode; the second time duration is specifically set according to the actual application scenario.

[0135] For example, refer to Table 1 and Table 4: When the vehicle's driving speed is 50 km / h and the current opening of the vehicle's brake pedal is 60%, since the driving speed is within the driving speed range A3 in Table 1, the initial delay duration can be obtained as 5 s; since the current opening of the brake pedal is within the opening range D3 in Table 4, the first duration can be obtained as 1.2 s; and then, based on the initial delay duration (4.5 s), the first duration (1.2 s) is shortened to obtain the target delay duration (3.3 s).

[0136] Mode 3. If the current opening of the brake pedal is greater than or equal to the third preset opening, and the opening of the accelerator pedal is greater than or equal to the fourth preset opening, the initial delay duration is extended according to the current opening of the brake pedal to obtain the target delay duration. The third mapping relationship is used to indicate the mapping relationship between the opening of the brake pedal and the third duration. Exemplarily, the third mapping relationship may include at least one set of the opening of the brake pedal and the third duration.

[0137] For example, the fourth preset opening degree may be a value pre-configured by the vehicle, or may be a value set manually, and the present embodiment of the application does not impose any specific limitation on this. For example, the fourth preset opening degree may be set to 45%.

[0138] For example, if the current opening of the brake pedal is greater than or equal to the third preset opening (e.g., 50%) and the current opening of the accelerator pedal is greater than or equal to the fourth preset opening (e.g., 45%), it can be said that the current user maintains a certain opening of the accelerator pedal while controlling the acceleration of the vehicle. This situation may occur when testing the vehicle or when the vehicle fails.

[0139] It should be explained that when the required torque parameter indicates a negative torque, the vehicle is in a decelerating driving state.

[0140] As an example, if the current opening of the brake pedal is greater than or equal to the third preset opening and the current opening of the accelerator pedal is greater than or equal to the fourth preset opening, the target third time duration corresponding to the current opening of the brake pedal is obtained from the third mapping relationship; according to the target third time duration, the initial delay time duration is shortened to obtain the target delay time duration.

[0141] For example, as shown in Table 5, Table 5 is a relationship between the opening of the brake pedal and the third time period. The unit of the opening of the brake pedal in Table 4 is: percentage (%); the unit of the third time period is: second (s). It should be explained that Table 5 is an exemplary description for representing the third mapping relationship; the specific representation structure of the third mapping relationship is not specifically limited in the embodiments of the present application.

[0142] Table 5

[0143]

[0144] For example, when the target power mode is the pure electric mode, when the current opening of the brake pedal is 0%, the target third time length corresponding to the current opening of the brake pedal of 0% obtained from Table 5 is 0s; when the current opening of the brake pedal is within the opening range E1(0,20], the target second time length corresponding to the current opening of the brake pedal obtained from Table 5 is 0.2s; when the current opening of the brake pedal is within the opening range E2(20,40], the target third time length corresponding to the current opening of the brake pedal obtained from Table 5 is 0.4s; when the current opening of the brake pedal is within the opening range E3(40,60], the target third time length corresponding to the current opening of the brake pedal obtained from Table 5 is 0.6s; when the current opening of the brake pedal is within the opening range E4(60,80], the target third time length corresponding to the current opening of the brake pedal obtained from Table 5 is 0.8s; when the current opening of the brake pedal is within the opening range E5(80,100], the target third time length corresponding to the current opening of the brake pedal obtained from Table 5 is 1.0s.

[0145] It should be explained that Table 5 only provides an exemplary description of the corresponding relationship between the opening of the brake pedal and the third time duration when the target power mode is the pure electric mode; the third time duration is specifically set according to the actual application scenario.

[0146] For example, refer to Table 1 and Table 5: when the vehicle's driving speed is 50 km / h, the current opening of the vehicle's brake pedal is 70%, and the current opening of the accelerator pedal is 50%, since the driving speed is within the driving speed range A3 in Table 1, the initial delay duration can be obtained as 5s; since the current opening of the brake pedal is within the opening range E4 in Table 5, the first duration can be obtained as 0.8s; and then the first duration (0.8s) is shortened based on the initial delay duration (5s) to obtain the target delay duration (4.2s).

[0147] In an embodiment of the present application, if the required torque parameter indicates a negative torque, the current opening of the accelerator pedal and the current opening of the brake pedal are judged to determine whether to shorten or maintain the initial delay duration, and obtain the target delay duration. In this way, the size of the target delay can be determined in combination with the user's acceleration needs, which can improve the user experience while reducing the frequency of power mode switching.

[0148] As a possible implementation method, during the driving of the vehicle, the method provided in the embodiment of the present application also includes: if the first preset condition is met, requesting to control the power mode of the vehicle to a hybrid power mode; if the first preset condition is not met and the second preset condition is met, requesting to control the power mode of the vehicle to a pure electric mode.

[0149] The first preset condition includes at least one of: receiving a torque request of the engine, receiving a prohibition request of the engine, and the equivalent energy consumption of the hybrid mode is less than the equivalent energy consumption of the pure electric mode.

[0150] The second preset condition includes any one of the following: the vehicle's speed is less than the first preset speed, and the current opening of the vehicle's accelerator pedal and the current opening of the vehicle's brake pedal are less than the fifth preset opening; the vehicle's speed is greater than the second preset speed, and the current opening of the vehicle's brake pedal is greater than the sixth preset opening. The first preset speed can be set to 30km / h; the second preset speed can be set to 100km / h. The fifth preset opening can be set to 5%; the sixth preset opening can be set to 60%.

[0151] For example, the engine torque request can be used to indicate that the vehicle requires the engine to provide torque output. The engine stop request is used to indicate that the vehicle's engine is not allowed to stop running. The engine torque request may be based on a variety of reasons; for example, the user's demand for power through the accelerator pedal, the vehicle automatic control system (such as adaptive cruise control, lane keeping assist, etc.) to adjust the vehicle's power performance.

[0152] Exemplarily, the engine stop request may be based on a variety of reasons; for example, the vehicle battery is too low, the engine temperature is abnormal, external environmental conditions (such as extremely cold weather) affect the engine starting performance, or the vehicle is in a specific operating condition that requires the engine to continue to provide power (such as climbing a hill, towing, etc.).

[0153] For example, equivalent energy consumption refers to the total energy consumed in different power modes (such as hybrid mode or pure electric mode) when completing the same driving task or mileage, including a comprehensive evaluation of electrical energy and fuel energy. If the equivalent energy consumption of the hybrid mode is less than the equivalent energy consumption of the pure electric mode, it can be said that the current vehicle is suitable for driving in hybrid mode.

[0154] For example, if the vehicle's driving speed is less than a first preset speed, and the current opening of the vehicle's accelerator pedal and the current opening of the brake pedal are less than a fifth preset opening, it can be considered that the vehicle's driving speed is low, and the vehicle is in a slow acceleration state, or a slow deceleration state, or a slow constant speed state; at this time it can be considered that there is no engine torque demand; therefore, it can be requested to control the vehicle to drive in pure electric mode.

[0155] For example, if the vehicle's driving speed is greater than the second preset speed and the vehicle's brake pedal is greater than the sixth preset opening, it can be considered that the vehicle's driving speed is high and is in a deceleration state. In order to reduce excessive energy consumption, it can be requested to control the vehicle to drive in pure electric mode.

[0156] It is understandable that by judging whether the current vehicle meets the first preset condition and determining the power mode of the vehicle, fuel consumption and electricity consumption can be saved and energy utilization efficiency can be improved.

[0157] Figure 3 It is a schematic flow chart of another vehicle control method provided in an embodiment of the present application.

[0158] For example, Figure 3 The control method for controlling a vehicle shown can be executed by the vehicle, and can also be executed by a vehicle control device in the vehicle, such as a chip.

[0159] like Figure 3 As shown, the vehicle control method includes S301 to S316, and S301 to S316 are described in detail below.

[0160] For example, the embodiment of the present application is described by taking the vehicle having two power modes, namely, HEV mode and EV mode, as an example. Therefore, when switching the power mode, there are two switching methods: switching from HEV mode to EV mode; switching from EV mode to HEV mode. Of course, when the vehicle has multiple power modes, a control method of a vehicle in the embodiment of the present application can also be referred to.

[0161] S301. Control the vehicle to travel in the current power mode during driving of the vehicle.

[0162] Exemplarily, the current power mode may be an HEV mode or an EV mode.

[0163] S302: Determine whether a power mode switching request is received. If yes, execute S303.

[0164] S303. Obtain the current driving speed of the vehicle.

[0165] S304. Determine the initial delay duration of the vehicle according to the current driving speed of the vehicle.

[0166] S305. Determine whether the power mode after switching is the HEV mode. If yes, execute S306; if not, execute S312.

[0167] S306. Obtain the vehicle's driving mode and the current opening of the accelerator pedal.

[0168] S307. Determine whether the driving mode of the vehicle is the sports driving mode. If yes, execute S308; if no, execute S309.

[0169] S308. Extend the initial delay time to obtain a target delay time.

[0170] S309. Determine whether the current opening of the accelerator pedal is greater than or equal to a preset opening 1. If yes, execute S310; if no, execute S311.

[0171] S310. Shorten the initial delay time to obtain the target delay time.

[0172] S311. Extend the initial delay time to obtain the target delay time.

[0173] S312. Obtain the vehicle's required torque parameter, the current opening of the accelerator pedal, and the current opening of the brake pedal.

[0174] S313. Determine whether the required torque parameter indicates a positive torque. If yes, execute S314; if no, execute S315.

[0175] S314. Obtain a target delay duration according to the current opening of the accelerator pedal.

[0176] S315. Obtain a target delay duration according to the current opening of the accelerator pedal and the current opening of the brake pedal.

[0177] S316. After reaching the target delay time, control the vehicle to switch the power mode.

[0178] For detailed description of S301 to S316, please refer to Figure 2 The relevant descriptions will not be repeated here.

[0179] In an embodiment of the present application, when a request to switch the power mode is received, the initial delay duration of the vehicle can be determined by the driving speed, so that the response of the power mode switch can be preliminarily extended and the switching frequency of the power mode can be reduced; then, based on whether the power mode after switching is the HEV mode or the EV mode, the initial delay duration can be adaptively adjusted for different power modes, thereby reducing the switching frequency of the power mode and improving the energy utilization efficiency; by combining at least one of the driving mode, accelerator pedal, brake pedal and torque demand parameters, the initial delay duration is adaptively adjusted to improve the user experience; then, after reaching the target delay duration, the vehicle is controlled to switch the power mode, and then the power mode switch of the vehicle is delayed to respond, thereby preventing the frequent start and stop of the engine due to frequent switching of the power mode; based on this, the embodiment of the present application can reduce the switching frequency of the power mode to reduce the frequent start and stop of the engine.

[0180] Combination of the above Figures 2 to 3 The vehicle control method provided by the embodiment of the present application is described in detail; Figure 4 and Figure 5The device embodiments of the present application are described in detail. It should be understood that the device in the embodiments of the present application can execute the various methods of the aforementioned embodiments of the present application, that is, the specific working processes of the following various products can refer to the corresponding processes in the aforementioned method embodiments.

[0181] Combine the following Figure 4 The control device of the vehicle provided in the embodiment of the present application is described in detail.

[0182] like Figure 4 As shown, Figure 4 It is a structural schematic diagram of a vehicle control device provided in an embodiment of the present application.

[0183] For example, Figure 4 As shown, the device comprises:

[0184] The acquisition module 410 is used to acquire the vehicle driving parameters of the vehicle if a mode switching request is received during the driving of the vehicle; wherein the mode switching request is used to request to adjust the power mode of the vehicle to the target power mode;

[0185] A determination module 420, for determining a target delay duration according to a target power mode and vehicle driving parameters;

[0186] The control module 430 is used to control the vehicle to travel in the target power mode in response to a mode switching request after reaching the target delay time.

[0187] In a possible implementation, the determination module 410 is specifically configured to obtain an initial delay duration according to a target power mode and a driving speed; and to adjust the initial delay duration according to the target power mode and vehicle driving parameters to obtain a target delay duration.

[0188] In one possible implementation, the determination module 410 is also used to shorten the initial delay duration to obtain a target delay duration if the vehicle's driving mode is a sports driving mode; if the vehicle's driving mode is a target driving mode, adjust the initial delay duration according to the driving speed and the current opening of the accelerator pedal to obtain a target delay duration; wherein the target driving mode includes driving modes other than the sports driving mode.

[0189] In one possible implementation, the determination module 410 is also used to reduce the initial delay duration to obtain the target delay duration if the current opening of the accelerator pedal is greater than or equal to the first preset opening; if the current opening of the accelerator pedal is less than the first preset opening, extend the initial delay duration to obtain the target delay duration.

[0190] In one possible implementation, the determination module 410 is also used to adjust the initial delay duration according to the current opening of the accelerator pedal to obtain the target delay duration if the required torque parameter indicates a positive torque; and to adjust the initial delay duration according to the current opening of the accelerator pedal and the current opening of the brake pedal to obtain the target delay duration if the required torque parameter indicates a negative torque.

[0191] In one possible implementation, the determination module 410 is also used to obtain a target first duration corresponding to the current opening of the accelerator pedal from a first mapping relationship; wherein the first mapping relationship is used to indicate a mapping relationship between the opening of the accelerator pedal and the first duration; and according to the first duration, the initial delay duration is extended to obtain the target delay duration.

[0192] In one possible implementation, the determination module 410 is also used to use the initial delay duration as the target delay duration if the current opening of the accelerator pedal and the current opening of the brake pedal are the second preset opening; if the current opening of the accelerator pedal is the second preset opening and the current opening of the brake pedal is greater than or equal to the third preset opening, shorten the initial delay duration according to the current opening of the brake pedal and the second mapping relationship to obtain the target delay duration; wherein, the second mapping relationship is used to indicate the mapping relationship between the opening of the brake pedal and the second duration; if the current opening of the brake pedal is greater than or equal to the third preset opening, and the opening of the accelerator pedal is greater than or equal to the fourth preset opening, shorten the initial delay duration according to the current opening of the brake pedal and the third mapping relationship to obtain the target delay duration; wherein, the third mapping relationship is used to indicate the mapping relationship between the opening of the brake pedal and the third duration.

[0193] It should be noted that, when the vehicle control device provided in the above embodiment executes the vehicle control method, only the division of the above-mentioned functional modules is used as an example. In actual applications, the above-mentioned functions can be assigned to different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above.

[0194] In addition, the vehicle control device and the vehicle control method embodiments provided in the above embodiments belong to the same concept. Therefore, for details not disclosed in the device embodiments of this specification, please refer to the embodiments of the method for controlling the vehicle mentioned above in this specification, and no further details will be given here.

[0195] Figure 5 It is a structural schematic diagram of a vehicle provided in an embodiment of the present application.

[0196] For example, Figure 5As shown, the vehicle 500 includes: a memory 501 and a processor 502, wherein the memory 501 stores an executable program code 5011, and the processor 502 is used to call and execute the executable program code 5011 to perform a vehicle control method.

[0197] In addition, an embodiment of the present application also protects a device, which may include a memory and a processor, wherein the memory stores an executable program code, and the processor is used to call and execute the executable program code to execute a vehicle control method provided by an embodiment of the present application.

[0198] In this embodiment, the functional modules of the device can be divided according to the above method example. For example, each functional module can be corresponded, or two or more functions can be integrated into one processing module. The above integrated module can be implemented in the form of hardware. It should be noted that the division of modules in this embodiment is schematic and is only a logical function division. There may be other division methods in actual implementation.

[0199] In the case of dividing each functional module according to each function, the device may also include an acquisition module, a determination module, a control module, etc. It should be noted that all relevant contents of each step involved in the above method embodiment can be referred to the functional description of the corresponding functional module, which will not be repeated here.

[0200] It should be understood that the device provided in this embodiment is used to execute the above-mentioned vehicle control method, and thus can achieve the same effect as the above-mentioned implementation method.

[0201] In the case of an integrated unit, the device may include a processing module and a storage module. When the device is applied to a vehicle, the processing module may be used to control and manage the actions of the vehicle. The storage module may be used to support the vehicle in executing related program codes, etc.

[0202] The processing module may be a processor or a controller, which may implement or execute various exemplary logic blocks, modules and circuits shown in conjunction with the disclosure of the present application. The processor may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of digital signal processing (DSP) and a microprocessor, etc. The storage module may be a memory.

[0203] In addition, the device provided in the embodiments of the present application may specifically be a chip, a component or a module, and the chip may include a connected processor and a memory; wherein the memory is used to store instructions, and when the processor calls and executes the instructions, the chip can execute a vehicle control method provided in the above embodiments.

[0204] This embodiment also provides a computer-readable storage medium, in which a computer program code is stored. When the computer program code is run on a computer, the computer executes the above-mentioned related method steps to implement a vehicle control method provided by the above embodiment.

[0205] This embodiment also provides a computer program product. When the computer program product is run on a computer, the computer is caused to execute the above-mentioned related steps to implement a vehicle control method provided by the above-mentioned embodiment.

[0206] Among them, the device, computer-readable storage medium, computer program product or chip provided in this embodiment is used to execute the corresponding method provided above. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects in the corresponding method provided above, and will not be repeated here.

[0207] Through the description of the above implementation methods, technical personnel in the relevant field can understand that for the convenience and simplicity of description, only the division of the above-mentioned functional modules is used as an example. In actual applications, the above-mentioned functions can be assigned to different functional modules as needed, that is, the internal structure of the device can be divided into different functional modules to complete all or part of the functions described above.

[0208] In the embodiments provided in the present application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic, for example, the division of modules or units is only a logical function division, and there may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another device, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0209] The above contents are only specific implementation methods of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A method for controlling a vehicle, It is characterized in that The method comprises: During the driving of the vehicle, if a mode switching request is received, the vehicle driving parameters of the vehicle are obtained; wherein the mode switching request is used to request that the power mode of the vehicle be adjusted to a target power mode; Determining a target delay duration according to the target power mode and the vehicle driving parameters; After the target delay time is reached, the vehicle is controlled to travel in the target power mode in response to the mode switching request.

2. The method according to claim 1, It is characterized in that The vehicle driving parameter includes a driving speed of the vehicle; and determining a target delay duration according to the target power mode and the vehicle driving parameter includes: Obtaining an initial delay duration according to the target power mode and the driving speed; The initial delay duration is adjusted according to the target power mode and the vehicle driving parameters to obtain the target delay duration.

3. The method according to claim 2, It is characterized in that If the target power mode is a hybrid power mode, the vehicle driving parameters further include the driving mode of the vehicle and the current opening of the accelerator pedal; The adjusting the initial delay time according to the target power mode and the vehicle driving parameter to obtain the target delay time includes: If the driving mode of the vehicle is a sports driving mode, shortening the initial delay time to obtain the target delay time; If the driving mode of the vehicle is a target driving mode, the initial delay duration is adjusted according to the current opening of the accelerator pedal to obtain the target delay duration; wherein the target driving mode includes driving modes other than the sports driving mode.

4. The method according to claim 3, It is characterized in that The step of adjusting the initial delay time according to the current opening of the accelerator pedal to obtain the target delay time includes: If the current opening of the accelerator pedal is greater than or equal to the first preset opening, shortening the initial delay time to obtain the target delay time; If the current opening of the accelerator pedal is less than the first preset opening, the initial delay time is extended to obtain the target delay time.

5. The method according to claim 2, It is characterized in that If the target power mode is the pure electric mode, the vehicle driving parameters include a required torque parameter of the vehicle, a current opening of an accelerator pedal, and a current opening of a brake pedal; The adjusting the initial delay time according to the target power mode and the vehicle driving parameter to obtain the target delay time includes: If the required torque parameter indicates a positive torque, adjusting the initial delay time according to the current opening of the accelerator pedal to obtain the target delay time; If the required torque parameter indicates a negative torque, the initial delay time is adjusted according to the current opening of the accelerator pedal and the current opening of the brake pedal to obtain the target delay time.

6. The method according to claim 5, It is characterized in that The step of adjusting the initial delay time according to the current opening of the accelerator pedal to obtain the target delay time includes: Acquire a target first duration corresponding to the current opening of the accelerator pedal from a first mapping relationship; wherein the first mapping relationship is used to indicate a mapping relationship between the opening of the accelerator pedal and the first duration; According to the target first duration, the initial delay duration is extended to obtain the target delay duration.

7. The method according to claim 5, It is characterized in that The adjusting the initial delay time according to the current opening of the accelerator pedal and the current opening of the brake pedal to obtain the target delay time includes: If the current opening of the accelerator pedal and the current opening of the brake pedal are the second preset opening, the initial delay time is used as the target delay time; If the current opening of the accelerator pedal is the second preset opening and the current opening of the brake pedal is greater than or equal to the third preset opening, shortening the initial delay duration according to the current opening of the brake pedal and a second mapping relationship to obtain the target delay duration; wherein the second mapping relationship is used to indicate a mapping relationship between the opening of the brake pedal and the second duration; If the current opening of the brake pedal is greater than or equal to the third preset opening, and the opening of the accelerator pedal is greater than or equal to the fourth preset opening, the initial delay duration is shortened according to the current opening of the brake pedal and the third mapping relationship to obtain the target delay duration; wherein the third mapping relationship is used to indicate the mapping relationship between the opening of the brake pedal and the third duration.

8. A vehicle control device, It is characterized in that The device comprises: an acquisition module, configured to acquire the vehicle driving parameters of the vehicle if a mode switching request is received during the driving of the vehicle; wherein the mode switching request is used to request that the power mode of the vehicle be adjusted to a target power mode; A determination module, configured to determine a target delay duration according to the target power mode and the vehicle driving parameters; A control module is used for controlling the vehicle to travel in the target power mode in response to the mode switching request after the target delay time is reached.

9. A vehicle, It is characterized in that The vehicle comprises: A memory for storing executable program codes; A processor, configured to call and run the executable program code from the memory, so that the vehicle executes the method according to any one of claims 1 to 7.

10. A computer-readable storage medium, It is characterized in that The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the method according to any one of claims 1 to 7 is implemented.

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