Energy recovery control method, device, apparatus and storage medium

Abstract

The application provides an energy recovery control method, device, equipment and storage medium. Related information of an electric vehicle during driving is monitored, the related information including a battery residual capacity, a vehicle load and a brake pedal stroke, and influences of various factors on vehicle energy recovery control are considered; when the related information meets an energy recovery dynamic adjustment condition, an energy recovery intensity is determined according to the vehicle load and the brake pedal stroke, both the vehicle load and the brake pedal stroke are positively correlated with the energy recovery intensity, and the energy recovery dynamic adjustment condition includes that the battery residual capacity is greater than a residual capacity threshold, the vehicle load is less than a load threshold and the brake pedal stroke is less than a stroke threshold; and energy recovery is performed according to the energy recovery intensity. Through the mode of dynamically adjusting the energy recovery intensity, the vehicle driving comfort is improved while the vehicle endurance level is ensured, and the mode is especially suitable for the vehicle empty load condition.

Description

Technical Field

[0001] This application relates to the field of vehicle control technology, and in particular to an energy recovery control method, device, equipment and storage medium. Background Technology

[0002] With the increasing popularity of electric vehicles, their use in daily life is becoming more and more common. Since electric vehicles generally have a shorter driving range, energy recovery has become a standard feature for extending their range, aiming to maximize this improvement.

[0003] In related technologies, the braking performance of a vehicle is constant after it leaves the factory. To improve driving range, a higher energy recovery intensity is usually set. However, a higher energy recovery intensity reduces vehicle comfort, especially when the vehicle is unloaded. Summary of the Invention

[0004] This application provides an energy recovery control method, apparatus, device, and storage medium to improve vehicle comfort while meeting vehicle range requirements.

[0005] In a first aspect, this application provides an energy recovery control method, comprising:

[0006] Monitor relevant information of electric vehicles during operation, including remaining battery power, vehicle load, and brake pedal travel.

[0007] When the relevant information meets the conditions for dynamic adjustment of energy recovery, the energy recovery intensity is determined based on the vehicle load and brake pedal travel. Both the vehicle load and brake pedal travel are positively correlated with the energy recovery intensity. The conditions for dynamic adjustment of energy recovery include the remaining battery charge being greater than the remaining charge threshold, the vehicle load being less than the load threshold, and the brake pedal travel being less than the travel threshold.

[0008] Energy recovery is performed based on the energy recovery intensity.

[0009] In one possible implementation, the torque of regenerative braking can reflect the intensity of energy recovery. The intensity of energy recovery is determined based on vehicle load and brake pedal travel, including: determining the torque of regenerative braking according to the following formula:

[0010] T = V1 * T1 + V2 * T2

[0011] Where T represents the regenerative braking torque, V1 represents the weight of the brake pedal travel, V2 represents the weight of the vehicle load, T1 represents the regenerative torque corresponding to the brake pedal travel, and T2 represents the regenerative torque T2 corresponding to the vehicle load.

[0012] In one possible implementation, the sum of V1 and V2 is a preset value, which includes 1.

[0013] In one possible implementation, determining the energy recovery intensity based on the vehicle load and brake pedal travel when the relevant information meets the dynamic adjustment conditions for energy recovery includes: determining the energy recovery intensity based on the vehicle load and brake pedal travel when the relevant information meets the dynamic adjustment conditions for energy recovery and the duration is greater than or equal to a duration threshold.

[0014] In one possible implementation, the energy recovery control method further includes: if the brake pedal is not depressed, determining a target energy recovery level corresponding to the vehicle load based on a pre-calibrated correspondence between energy recovery levels and vehicle load; and querying a braking torque relationship table under the target energy recovery level to obtain the braking torque corresponding to the vehicle speed, wherein the braking torque relationship table is a pre-calibrated relationship between vehicle speed and braking torque.

[0015] In one possible implementation, the energy recovery control method further includes: determining the energy recovery intensity as the maximum allowable energy recovery intensity for the electric vehicle when the relevant information does not meet the dynamic adjustment conditions for energy recovery, or when the relevant information meets the dynamic adjustment conditions for energy recovery and the duration is less than a duration threshold; and performing energy recovery based on the maximum energy recovery intensity.

[0016] In one possible implementation, determining the energy recovery intensity based on the vehicle load and brake pedal travel includes: determining whether the vehicle's brake pedal is depressed; if the brake pedal is depressed, determining the energy recovery intensity based on the vehicle load and brake pedal travel.

[0017] Secondly, this application provides an energy recovery control device, comprising:

[0018] The monitoring module is used to monitor relevant information of the electric vehicle during operation, including the remaining battery power, vehicle load, and brake pedal travel.

[0019] The determination module is used to determine the energy recovery intensity based on the vehicle load and brake pedal travel when the relevant information meets the dynamic adjustment conditions for energy recovery. Both the vehicle load and brake pedal travel are positively correlated with the energy recovery intensity. The dynamic adjustment conditions for energy recovery include the remaining battery charge being greater than the remaining charge threshold, the vehicle load being less than the load threshold, and the brake pedal travel being less than the travel threshold.

[0020] The energy recovery module is used to recover energy based on the energy recovery intensity.

[0021] In one possible implementation, the torque of regenerative braking can reflect the intensity of energy recovery, and the determining module can specifically be used to determine the torque of regenerative braking according to the following formula:

[0022] T = V1 * T1 + V2 * T2

[0023] Where T represents the regenerative braking torque, V1 represents the weight of the brake pedal travel, V2 represents the weight of the vehicle load, T1 represents the regenerative torque corresponding to the brake pedal travel, and T2 represents the regenerative torque T2 corresponding to the vehicle load.

[0024] In one possible implementation, the sum of V1 and V2 is a preset value, which includes 1.

[0025] In one possible implementation, the determining module may be specifically used to: determine the energy recovery intensity based on the vehicle load and brake pedal travel when the relevant information satisfies the dynamic adjustment conditions for energy recovery and the duration is greater than or equal to the duration threshold.

[0026] In one possible implementation, the determining module is further configured to: if the brake pedal is not depressed, determine the target energy recovery level corresponding to the vehicle load based on a pre-calibrated correspondence between the energy recovery level and the vehicle load; and query the braking torque corresponding to the vehicle speed based on the braking torque relationship table under the target energy recovery level, wherein the braking torque relationship table is a pre-calibrated relationship between the vehicle speed and the braking torque.

[0027] In one possible implementation, the determining module can also be used to: determine the energy recovery intensity as the maximum energy recovery intensity allowed by the electric vehicle when the relevant information does not meet the dynamic adjustment conditions for energy recovery, or when the relevant information meets the dynamic adjustment conditions for energy recovery and the duration is less than the duration threshold; the recovery module is also used to: perform energy recovery based on the maximum energy recovery intensity.

[0028] In one possible implementation, the determining module is further configured to: determine whether the vehicle's brake pedal is depressed; and if the brake pedal is depressed, determine the energy recovery intensity based on the vehicle's load and the brake pedal travel.

[0029] Thirdly, this application provides an electronic device, including: a processor, and a memory communicatively connected to the processor;

[0030] The memory stores the instructions that the computer executes;

[0031] The processor executes computer execution instructions, causing the processor to perform the energy recovery control method described in any of the first aspects.

[0032] Fourthly, this application provides a computer-readable storage medium storing computer-executable instructions, which, when executed, implement the energy recovery control method as described in any of the first aspects.

[0033] Fifthly, this application provides a computer program product, including a computer program that, when executed, implements the energy recovery control method as described in any of the first aspects.

[0034] The energy recovery control method, device, equipment, and storage medium provided in this application monitor relevant information of electric vehicles in real time during operation. This information includes remaining battery charge, vehicle load, and brake pedal travel, taking into account the influence of multiple factors on vehicle energy recovery control. When the relevant information meets the dynamic adjustment conditions for energy recovery, these conditions include remaining battery charge exceeding a threshold, vehicle load falling below a threshold, and brake pedal travel falling below a threshold. The energy recovery intensity is dynamically determined based on the vehicle load and brake pedal travel, and energy recovery is performed according to this intensity. Both vehicle load and brake pedal travel are positively correlated with the energy recovery intensity. This means that when both are low, the energy recovery intensity is low, prioritizing driving comfort; conversely, when both are high, the energy recovery intensity is high, prioritizing braking and energy recovery. This achieves energy recovery based on different intensities, solving the problem of excessive energy recovery intensity and poor comfort when vehicles are generally unloaded, while maximizing the use of energy recovery to extend the vehicle's range. Attached Figure Description

[0035] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0036] Figure 1 A schematic flowchart of an energy recovery control method provided in an embodiment of this application;

[0037] Figure 2 A schematic flowchart of an energy recovery control method provided in another embodiment of this application;

[0038] Figure 3 This is a schematic diagram of the structure of an energy recovery control device provided in an embodiment of this application;

[0039] Figure 4 This is a schematic diagram of the structure of an electronic device provided in an embodiment of this application.

[0040] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0041] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0042] In related technologies, the braking performance of electric vehicles is constant after they leave the factory, and the corresponding energy recovery intensity is fixed and cannot be automatically adjusted. In order to improve the driving range of electric vehicles, manufacturers usually set a higher energy recovery intensity. A higher energy recovery intensity corresponds to a stronger braking effect. Therefore, when the vehicle is unloaded, the vehicle's comfort is greatly affected, reducing the overall comfort of the vehicle.

[0043] To address the aforementioned technical problems, this application provides an energy recovery control method, apparatus, device, and storage medium. By monitoring information such as the vehicle load, remaining battery charge, and brake pedal travel of an electric vehicle, the energy recovery intensity of the vehicle is dynamically adjusted. This not only fully utilizes energy recovery to improve the range of the electric vehicle but also satisfies the vehicle's comfort to a certain extent.

[0044] The technical solution of this application and how the technical solution of this application solves the above-mentioned technical problems are described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. The embodiments of this application will now be described with reference to the accompanying drawings.

[0045] Figure 1 This is a schematic flowchart illustrating an energy recovery control method provided in an embodiment of this application. Figure 1 As shown, the energy recovery control method includes:

[0046] S101. Monitor relevant information of electric vehicles during operation, including remaining battery power, vehicle load, and brake pedal travel.

[0047] The remaining battery charge can be reflected by the battery's State of Charge (SOC), which is numerically defined as the ratio of remaining charge to battery capacity, usually expressed as a percentage. It typically ranges from 0 to 100% and can be any integer value, such as 10%, 65%, ..., 100%. When SOC equals 100%, the battery is fully charged with 100% remaining charge; when SOC equals 0, the battery is fully discharged with 0% remaining charge. Vehicle load refers to the total weight of the vehicle, including its own weight and the weight of any objects carried on it. Brake pedal travel refers to the vertical distance the brake pedal can fall without applying braking force. In this embodiment, brake pedal travel is represented by any value ranging from 0 to 100%. A larger brake pedal travel value indicates greater braking strength. When brake pedal travel is 0%, it means the brake is not applied; when brake pedal travel is 100%, it means the brake pedal is fully depressed.

[0048] For example, the battery SOC can be collected by the battery management system in the vehicle, the brake pedal travel can be collected by the brake pedal sensor, and the vehicle load can be collected by the load detection sensor. All of the above collected information is fed back to the vehicle controller, which monitors the battery SOC, vehicle load and brake pedal travel information in real time during vehicle operation.

[0049] It should be noted that the collection of information on battery SOC, vehicle load, and brake pedal travel is not limited to the methods listed in the embodiments of this application.

[0050] S102. When the relevant information meets the conditions for dynamic adjustment of energy recovery, the energy recovery intensity is determined based on the vehicle load and brake pedal travel. Both the vehicle load and brake pedal travel are positively correlated with the energy recovery intensity. The conditions for dynamic adjustment of energy recovery include the remaining battery charge being greater than the remaining charge threshold, the vehicle load being less than the load threshold, and the brake pedal travel being less than the travel threshold.

[0051] In this step, energy recovery can be understood as converting the vehicle's kinetic energy into electrical energy and storing it in the vehicle's battery, that is, generating electricity to charge the battery, thereby increasing the vehicle's range.

[0052] Both vehicle load and brake pedal travel are positively correlated with energy recovery intensity. This can be understood as follows: when both vehicle load and brake pedal travel are small, the energy recovery intensity is small, and the user's driving comfort needs to be considered. When both vehicle load and brake pedal travel are large, the energy recovery intensity is large, and vehicle braking and energy recovery intensity take priority.

[0053] In other words, under the condition that the dynamic adjustment of energy recovery is met, the vehicle energy recovery control is only related to two factors: vehicle load and brake pedal travel.

[0054] S103. Perform energy recovery based on the energy recovery intensity.

[0055] The greater the energy recovery intensity, the more of the vehicle's kinetic energy will be converted into electrical energy and stored in the battery.

[0056] This application embodiment monitors real-time battery remaining charge, vehicle load, and brake pedal travel information, taking into account the influence of multiple factors on vehicle energy recovery control. When the relevant information meets the dynamic adjustment conditions for energy recovery, these conditions include battery remaining charge exceeding a remaining charge threshold, vehicle load falling below a load threshold, and brake pedal travel falling below a travel threshold. The energy recovery intensity is dynamically determined based on vehicle load and brake pedal travel, and energy recovery is performed according to this intensity. Both vehicle load and brake pedal travel are positively correlated with the energy recovery intensity. This means that when both are low, the energy recovery intensity is low, prioritizing driving comfort; conversely, when both are high, the energy recovery intensity is high, prioritizing braking and energy recovery. This achieves dynamic adjustment of the energy recovery control strategy, addressing to some extent the problem of excessive energy recovery intensity and poor comfort when vehicles are generally unloaded, while maximizing the use of energy recovery to extend the vehicle's range.

[0057] Based on the above embodiments, in one possible implementation, the torque of regenerative braking can reflect the intensity of energy recovery. The determination of the energy recovery intensity based on vehicle load and brake pedal travel can include: determining the torque of regenerative braking according to the following formula:

[0058] T = V1 * T1 + V2 * T2

[0059] Where T represents the regenerative braking torque, V1 represents the weight of the brake pedal travel, V2 represents the weight of the vehicle load, T1 represents the regenerative torque corresponding to the brake pedal travel, and T2 represents the regenerative torque T2 corresponding to the vehicle load.

[0060] A higher torque in regenerative braking results in a higher energy recovery intensity; conversely, a lower torque in regenerative braking results in a lower energy recovery intensity.

[0061] Optionally, the sum of V1 and V2 is a preset value, which includes 1.

[0062] Furthermore, the above-mentioned determination of energy recovery intensity based on vehicle load and brake pedal travel when the relevant information meets the dynamic adjustment conditions for energy recovery may include: determining the energy recovery intensity based on vehicle load and brake pedal travel when the relevant information meets the dynamic adjustment conditions for energy recovery and the duration is greater than or equal to a duration threshold.

[0063] In this implementation, the duration threshold is usually in the millisecond range. For example, the duration threshold is 10 milliseconds. When the battery SOC is greater than the battery SOC threshold, the vehicle load is less than the load threshold, and the brake pedal travel is less than the travel threshold, and the duration is greater than or equal to 10 milliseconds, the energy recovery intensity is then determined based on the vehicle load and the brake pedal travel.

[0064] In this embodiment of the application, by setting a duration threshold, false alarms of vehicle-related information caused by software processing can be avoided, thereby further ensuring the reliability of the energy recovery strategy.

[0065] In one possible implementation, the above-mentioned energy recovery control method may further include:

[0066] Step 1-1: When the relevant information does not meet the conditions for dynamic adjustment of energy recovery, or when the relevant information meets the conditions for dynamic adjustment of energy recovery and the duration is less than the duration threshold, determine the energy recovery intensity as the maximum energy recovery intensity allowed for electric vehicles.

[0067] In this step, the dynamic adjustment conditions for energy recovery are not met. That is, the three conditions of the remaining battery charge being greater than the remaining charge threshold, the vehicle load being less than the load threshold, and the brake pedal travel being less than the travel threshold cannot be met simultaneously. In other words, at least one of the three conditions must be met: the remaining battery charge being less than or equal to the remaining charge threshold, the vehicle load being greater than or equal to the load threshold, and the brake pedal travel being greater than or equal to the travel threshold.

[0068] If the dynamic adjustment conditions for energy recovery are met and the duration is less than the duration threshold, it may be due to a false alarm in the vehicle system's software processing. Therefore, in this case, the energy recovery control strategy is the same as when the dynamic adjustment conditions for energy recovery are not met.

[0069] In response to the two situations mentioned above, the energy recovery control strategy prioritizes meeting the vehicle's range and braking requirements. The vehicle's energy recovery level is adjusted to the highest level, and the control motor recovers energy at the maximum recovery power (i.e., recovery intensity) allowed by the vehicle's condition, generating electricity to charge the battery and ensuring range and braking.

[0070] Steps 1-2: Perform energy recovery based on the maximum energy recovery intensity.

[0071] The embodiments of this application further improve the energy recovery control strategy in different scenarios, and can easily switch between different energy recovery control strategies.

[0072] Furthermore, the determination of energy recovery intensity based on vehicle load and brake pedal travel includes:

[0073] Step 2-1: Determine if the vehicle's brake pedal is depressed.

[0074] Whether the vehicle's brake pedal is depressed can be detected by a brake pedal sensor and fed back to the vehicle controller, or by determining whether the brake pedal travel is greater than 0; a travel greater than 0 indicates that the brake pedal is depressed. Determining whether the vehicle's brake pedal is depressed determines whether the vehicle is in braking mode.

[0075] Step 2-2: If the brake pedal is depressed, determine the energy recovery intensity based on the vehicle load and brake pedal travel.

[0076] In this step, if the brake pedal is pressed, the vehicle is in braking mode.

[0077] Based on the above embodiments, in some embodiments, the energy recovery control method may further include:

[0078] Step 3-1: If the brake pedal is not depressed, determine the target energy recovery level corresponding to the vehicle load based on the pre-calibrated correspondence between the energy recovery level and the vehicle load.

[0079] It is understandable that, under the condition that the dynamic adjustment of energy recovery is met, if the brake pedal is not pressed, it means that the vehicle's energy recovery control is only related to the vehicle's load, that is, the vehicle is in coasting energy recovery mode.

[0080] Typically, before a vehicle leaves the factory, its load capacity and energy recovery level are calibrated, and a mapping table between the energy recovery level and the vehicle's load capacity is established and recorded in the vehicle's memory.

[0081] The system monitors the vehicle's load in real time. The software embedded in the vehicle looks up the mapping table between the energy recovery level and the vehicle's load based on the load range, and selects the corresponding energy recovery level, thus determining the target energy recovery level corresponding to the vehicle's load.

[0082] Step 3-2: Based on the braking torque relationship table under the target energy recovery level, look up the braking torque corresponding to the vehicle speed. The braking torque relationship table is a pre-calibrated table that shows the relationship between vehicle speed and braking torque.

[0083] The braking torque relationship table is pre-calibrated and recorded in the vehicle's memory, with different vehicle speeds corresponding to different regenerative braking torques.

[0084] This application embodiment considers energy recovery in non-braking mode, which facilitates the selection of different energy recovery strategies in different scenarios, dynamically adjusts the energy recovery intensity, improves the driving range while ensuring a certain level of driving comfort.

[0085] Next, combined Figure 2 Further explanation of the energy recovery control method for vehicles. (Reference) Figure 2 The energy recovery control method for vehicles includes the following steps:

[0086] S201. Does the dynamic adjustment condition for energy recovery meet the requirements?

[0087] The system determines whether relevant information during vehicle operation meets the conditions for dynamic adjustment of energy recovery. For example, relevant information may include, but is not limited to, remaining battery charge, vehicle load, and brake pedal travel. Correspondingly, dynamic adjustment conditions for energy recovery may include remaining battery charge being greater than a remaining charge threshold, vehicle load being less than a load threshold, and brake pedal travel being less than a travel threshold, and the duration of these conditions being greater than or equal to a duration threshold.

[0088] If not, i.e. the relevant information does not meet the dynamic adjustment conditions for energy recovery, or the relevant information meets the dynamic adjustment conditions for energy recovery and the duration is less than the duration threshold, then execute S202.

[0089] If so, meaning the relevant information meets the conditions for dynamic adjustment of energy recovery, then execute S203.

[0090] S202, maximum energy recovery intensity and highest energy recovery level.

[0091] The energy recovery intensity is determined to be the maximum allowable energy recovery intensity for electric vehicles, and the energy recovery level is set to the highest level.

[0092] S203. Determine whether the vehicle's brake pedal is depressed.

[0093] If yes, then execute S204; otherwise, execute S205.

[0094] S204. Dynamically calculate the recovery torque based on the vehicle load and brake pedal travel.

[0095] S205. Adjust the energy recovery level according to the vehicle's load capacity.

[0096] Based on the pre-defined correspondence between energy recovery levels and vehicle load, the target energy recovery level corresponding to the vehicle load is determined.

[0097] After selecting the energy recovery level corresponding to the vehicle speed, the braking torque corresponding to the vehicle speed can be obtained by querying the braking torque relationship table under the target energy recovery level.

[0098] Figure 3This is a schematic diagram of the structure of an energy recovery control device provided in one embodiment of this application. This application provides an energy recovery control device, which can be specifically a vehicle controller, or the energy recovery control device can be integrated into the vehicle controller. Figure 3 As shown, the energy recovery control device 300 includes a monitoring module 301, a determination module 302, and a recovery module 303. Wherein:

[0099] The monitoring module 301 is used to monitor relevant information of the electric vehicle during operation, including battery SOC, vehicle load and brake pedal travel.

[0100] The determination module 302 is used to determine the energy recovery intensity based on the vehicle load and brake pedal travel when the relevant information meets the dynamic adjustment conditions for energy recovery. Both the vehicle load and brake pedal travel are positively correlated with the energy recovery intensity. The dynamic adjustment conditions for energy recovery include the remaining battery charge being greater than the remaining charge threshold, the vehicle load being less than the load threshold, and the brake pedal travel being less than the travel threshold.

[0101] The recovery module 304 is used to recover energy based on the energy recovery intensity.

[0102] Optionally, the torque of regenerative braking can reflect the intensity of energy recovery, and the determining module 302 can be specifically used to determine the torque of regenerative braking according to the following formula:

[0103] T = V1 * T1 + V2 * T2

[0104] Where T represents the regenerative braking torque, V1 represents the weight of the brake pedal travel, V2 represents the weight of the vehicle load, T1 represents the regenerative torque corresponding to the brake pedal travel, and T2 represents the regenerative torque T2 corresponding to the vehicle load.

[0105] Optionally, the sum of V1 and V2 is a preset value, which includes 1.

[0106] Optionally, the determining module 302 can be specifically used to: determine the energy recovery intensity based on the vehicle load and brake pedal travel when the relevant information meets the dynamic adjustment conditions for energy recovery and the duration is greater than or equal to the duration threshold.

[0107] Optionally, the determining module 302 is further configured to: if the brake pedal is not depressed, determine the target energy recovery level corresponding to the vehicle load based on the pre-calibrated correspondence between the energy recovery level and the vehicle load; and query the braking torque corresponding to the vehicle speed based on the braking torque relationship table under the target energy recovery level, wherein the braking torque relationship table is a pre-calibrated relationship between the vehicle speed and the braking torque.

[0108] Optionally, the determining module 302 can also be used to: determine the energy recovery intensity as the maximum energy recovery intensity allowed by the electric vehicle when the relevant information does not meet the dynamic adjustment conditions for energy recovery, or when the relevant information meets the dynamic adjustment conditions for energy recovery and the duration is less than the duration threshold; the recovery module 304 is also used to: perform energy recovery based on the maximum energy recovery intensity.

[0109] Optionally, the determining module 302 is further configured to: determine whether the vehicle's brake pedal is depressed; if the brake pedal is depressed, determine the energy recovery intensity based on the vehicle's load and the brake pedal travel.

[0110] The energy recovery control device provided in this application embodiment can execute the technical solution shown in the above method embodiment. Its implementation principle and beneficial effects are similar, and will not be described again here.

[0111] It should be noted that the division of the various modules in the above device is merely a logical functional division. In actual implementation, they can be fully or partially integrated into a single physical entity, or they can be physically separated. Furthermore, these modules can be implemented entirely in software via processing element calls; they can be fully implemented in hardware; or some modules can be implemented by processing element calls to software, while others are implemented in hardware. For example, a module can be a separately established processing element, or it can be integrated into a chip within the above device. Alternatively, it can be stored as program code in the memory of the above device, and its functions can be called and executed by a processing element. The implementation of other modules is similar. Moreover, these modules can be fully or partially integrated together, or they can be implemented independently. The processing element here can be an integrated circuit with signal processing capabilities. In the implementation process, each step of the above method or each of the above modules can be completed through integrated logic circuits in the hardware of the processor element or through software instructions.

[0112] For example, these modules can be one or more integrated circuits configured to implement the above methods, such as one or more Application Specific Integrated Circuits (ASICs), one or more Digital Signal Processors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs). As another example, when a module is implemented using processing element scheduler code, the processing element can be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor capable of calling program code. Furthermore, these modules can be integrated together as a System-On-a-Chip (SOC).

[0113] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof. When implemented in software, it can be implemented, in whole or in part, as a computer program product. A computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, all or part of the flow or function according to the embodiments of this application is generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, computer instructions can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media. The available media can be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., Digital Video Discs, DVDs), or semiconductor media (e.g., solid-state disks (SSDs)).

[0114] Figure 4 This is a schematic diagram of the structure of an electronic device provided in an embodiment of this application. Figure 4As shown, the electronic device 400 includes at least one processor 401 and a memory 402. The memory 402 stores instructions, and the processor 401 invokes the instructions in the memory to execute the method steps provided in the above method embodiments. The specific implementation and technical effects are similar and will not be repeated here.

[0115] Alternatively, the memory 402 can be either standalone or integrated with the processor 401.

[0116] The memory 402 may include random access memory (RAM) and may also include non-volatile memory, such as at least one disk storage device.

[0117] Processor 401 can be a general-purpose processor, including a central processing unit, a network processor (NP), a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components.

[0118] Optionally, the electronic device 400 may also include a communication interface 403. In specific implementations, if the communication interface 403, memory 402, and processor 401 are implemented independently, they can be interconnected via a bus to complete communication. The system bus can be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus, etc. This system bus can be divided into address bus, data bus, control bus, etc., but does not imply that there is only one bus or one type of bus.

[0119] This application also provides a computer-readable storage medium storing computer-executable instructions. When executed by a processor, the computer-executable instructions are used to implement the method steps as described in the above-described energy recovery control method embodiment. The specific implementation and technical effects are similar and will not be repeated here.

[0120] This application also provides a program product comprising computer-executable instructions. When the computer-executable instructions are executed, they implement the method steps as described in the above-described energy recovery control method embodiments. The specific implementation and technical effects are similar and will not be repeated here.

[0121] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this application are indicated by the following claims.

[0122] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this application is limited only by the appended claims.

Claims

1. An energy recovery control method, characterized in that, include: Monitor relevant information of electric vehicles during operation, including remaining battery power, vehicle load, and brake pedal travel; When the relevant information meets the dynamic adjustment conditions for energy recovery, the energy recovery intensity is determined based on the vehicle load and the brake pedal travel. Both the vehicle load and the brake pedal travel are positively correlated with the energy recovery intensity. The dynamic adjustment conditions for energy recovery include the remaining battery charge being greater than the remaining charge threshold, the vehicle load being less than the load threshold, and the brake pedal travel being less than the travel threshold. Energy recovery is performed based on the stated energy recovery intensity; Determining the energy recovery intensity based on the vehicle load and the brake pedal travel includes: Determine if the vehicle's brake pedal is depressed; If the brake pedal is depressed, the energy recovery intensity is determined based on the vehicle load and the brake pedal travel. If the brake pedal is not depressed, the target energy recovery level corresponding to the vehicle load is determined based on the pre-calibrated correspondence between the energy recovery level and the vehicle load. Based on the braking torque relationship table under the target energy recovery level, the braking recovery torque corresponding to the vehicle speed is obtained by querying the table. The braking torque relationship table is a pre-calibrated table that shows the relationship between vehicle speed and braking recovery torque.

2. The energy recovery control method according to claim 1, characterized in that, The torque of regenerative braking reflects the intensity of energy recovery. Determining the energy recovery intensity based on the vehicle load and the brake pedal travel includes: The regenerative braking torque is determined using the following formula: T=V1 T1+V2 T2 Where T represents the regenerative braking torque, V1 represents the weight of the brake pedal travel, V2 represents the weight of the vehicle load, T1 represents the regenerative torque corresponding to the brake pedal travel, and T2 represents the regenerative torque T2 corresponding to the vehicle load.

3. The energy recovery control method according to claim 2, characterized in that, The sum of V1 and V2 is a preset value, which includes 1.

4. The energy recovery control method according to any one of claims 1 to 3, characterized in that, When the relevant information satisfies the dynamic adjustment conditions for energy recovery, determining the energy recovery intensity based on the vehicle load and the brake pedal travel includes: When the relevant information satisfies the dynamic adjustment conditions for energy recovery and the duration is greater than or equal to the duration threshold, the energy recovery intensity is determined based on the vehicle load and the brake pedal travel.

5. The energy recovery control method according to claim 4, characterized in that, Also includes: When the relevant information does not meet the dynamic adjustment conditions for energy recovery, or when the relevant information meets the dynamic adjustment conditions for energy recovery and the duration is less than the duration threshold, the energy recovery intensity is determined to be the maximum energy recovery intensity allowed by the electric vehicle. Energy recovery is performed based on the maximum energy recovery intensity.

6. An energy recovery control device, characterized in that, include: The monitoring module is used to monitor relevant information of the electric vehicle during operation, including remaining battery power, vehicle load, and brake pedal travel. The determination module is used to determine the energy recovery intensity based on the vehicle load and the brake pedal travel when the relevant information meets the dynamic adjustment conditions for energy recovery. Both the vehicle load and the brake pedal travel are positively correlated with the energy recovery intensity. The dynamic adjustment conditions for energy recovery include the remaining battery charge being greater than the remaining charge threshold, the vehicle load being less than the load threshold, and the brake pedal travel being less than the travel threshold. The energy recovery module is used to recover energy according to the energy recovery intensity. The determination module is specifically used to determine whether the vehicle's brake pedal has been pressed. If the brake pedal is depressed, the energy recovery intensity is determined based on the vehicle load and the brake pedal travel. If the brake pedal is not depressed, the target energy recovery level corresponding to the vehicle load is determined based on the pre-calibrated correspondence between the energy recovery level and the vehicle load. Based on the braking torque relationship table under the target energy recovery level, the braking torque corresponding to the vehicle speed is obtained by querying the braking torque relationship table, which is a pre-calibrated relationship between vehicle speed and braking torque.

7. An electronic device, characterized in that, include: A processor, and a memory communicatively connected to the processor; The memory stores computer-executed instructions; The processor executes the computer execution instructions to implement the method as described in any one of claims 1 to 5.

8. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer-executable instructions, which, when executed, are used to implement the method as described in any one of claims 1 to 5.

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