Method and system for adjusting opening degree of accelerator pedal, automobile and electronic equipment

By obtaining the throttle signal and vehicle speed in real time, and adjusting the throttle pedal opening based on the step length mapping meter of the throttle pedal opening, the vehicle breaking problem caused by the traditional throttle control system at low vehicle speeds is solved, and driving comfort and vehicle dynamic performance are improved.

CN119795903AActive Publication Date: 2025-04-11SINO TRUK JINAN POWER CO LTD
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Patent Information

Application Number
CN202411901735.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-04-11
Estimated Expiration
2044-12-23

AI Technical Summary

Technical Problem

Traditional throttle control systems cause vehicle breaking at low speeds, affecting driving comfort and vehicle dynamic performance.

Method used

By obtaining the accelerator signal and current vehicle speed in real time, determine whether the current accelerator pedal opening is not less than the minimum limit, and based on the step length mapping table of the accelerator pedal opening, gradually adjust the accelerator pedal opening and output the target accelerator pedal opening to avoid vehicle breaking.

Benefits of technology

It achieves avoiding vehicle breaking at low speeds, improving driving comfort and vehicle dynamic performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of vehicle control, in particular to a method and system for adjusting the opening degree of an accelerator pedal, an automobile and electronic equipment. Based on the accelerator signal, whether the current accelerator pedal opening degree is not smaller than the minimum limit value of the accelerator pedal opening degree or not is determined; under the condition that the current accelerator pedal opening degree is not smaller than the minimum limit value, the accelerator pedal opening degree change step value is determined based on the current accelerator pedal opening degree, the current vehicle speed and the accelerator pedal opening degree change step mapping table; and based on the accelerator pedal opening degree change step value, the current accelerator pedal opening degree is adjusted step by step for multiple times, and the target accelerator pedal opening degree is output. The opening degree of the accelerator pedal can be adjusted in a stepped mode, vehicle rushing caused by the fact that the opening degree of the accelerator pedal directly corresponds is avoided, the driving process is more stable, and the driving comfort degree is improved.
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Description

Technical Field

[0001] The present disclosure relates to the field of vehicle control technology, and in particular to a method, system, automobile and electronic equipment for adjusting the opening of an accelerator pedal. Background Art

[0002] In a traditional throttle control system, the driver's operation of the accelerator pedal is directly converted into the vehicle's throttle opening. In other words, the vehicle's throttle control system will directly respond to how much the driver presses the accelerator pedal and provide the corresponding throttle opening.

[0003] However, this direct response method can cause the vehicle to jerk at low speeds, which in turn affects driving comfort and vehicle dynamic performance. Summary of the invention

[0004] Based on the above technical problems, the present disclosure provides a method, system, automobile and electronic device for adjusting the opening of an accelerator pedal.

[0005] According to one aspect of the present disclosure, a method for adjusting the opening of an accelerator pedal is provided, comprising: acquiring an accelerator signal and a current vehicle speed in real time; determining, based on the throttle signal, whether the current accelerator pedal opening is not less than a minimum limit of the accelerator pedal opening; in the case where the current accelerator pedal opening is not less than the minimum limit, determining a step value of a change in the accelerator pedal opening based on the current accelerator pedal opening, the current vehicle speed and a step value mapping table for a change in the accelerator pedal opening; based on the step value for a change in the accelerator pedal opening, gradually and multiple times adjusting the current accelerator pedal opening, and outputting a target accelerator pedal opening; wherein the step value mapping table for a change in the accelerator pedal opening contains a correspondence between the current accelerator pedal opening, the current vehicle speed and the step value for a change in the accelerator pedal opening; the step value for a change in the accelerator pedal opening is calibrated based on the current accelerator opening and the current vehicle speed, and is used to determine the amplitude of each adjustment of the accelerator pedal.

[0006] In addition, according to a method for adjusting the accelerator pedal opening according to one aspect of the present disclosure, the accelerator pedal opening change step length mapping table also includes the correspondence between the current vehicle speed and the vehicle speed level, and the correspondence between the current accelerator pedal opening and the accelerator pedal opening; when the current accelerator pedal opening is not less than the minimum limit, based on the current accelerator pedal opening, the current vehicle speed and the accelerator pedal opening change step length mapping table, the accelerator pedal opening change step length value is determined, including: when the current accelerator pedal opening is not less than the minimum limit, based on the current accelerator pedal opening, determining the accelerator pedal opening level corresponding to the current accelerator pedal opening; based on the current vehicle speed, determining the vehicle speed level corresponding to the current vehicle speed; based on the accelerator pedal opening level and the vehicle speed level, searching the accelerator pedal opening change step length mapping table to determine the accelerator pedal opening change step length value.

[0007] In addition, according to a method for adjusting the accelerator pedal opening according to one aspect of the present disclosure, the current accelerator pedal opening is adjusted step by step multiple times based on the accelerator pedal opening change step value, and the target accelerator pedal opening is output, including: determining the difference between the current accelerator pedal opening and the target accelerator pedal opening; if the difference is not an integer multiple of the accelerator pedal opening change step value, ignoring the part less than one accelerator pedal opening change step value, and based on the accelerator pedal opening change step value, the current accelerator pedal opening is adjusted step by step multiple times so that the actual output accelerator pedal opening is not greater than the target accelerator pedal opening.

[0008] In addition, according to one aspect of the present disclosure, a method for adjusting the accelerator pedal opening includes: when a current accelerator pedal opening is not less than a minimum limit, determining whether the opening change rate of the accelerator pedal between the current accelerator pedal opening and the previous accelerator pedal opening is less than the minimum limit of the opening change rate; when the opening change rate is less than the minimum limit of the opening change rate, adjusting the current accelerator pedal opening to the previous accelerator pedal opening; determining the accelerator pedal opening change step value based on the adjusted current accelerator pedal opening, the current vehicle speed and the accelerator pedal opening change step mapping table; based on the accelerator pedal opening change step value, gradually and multiple times adjusting the adjusted current accelerator pedal opening, and outputting the target accelerator pedal opening.

[0009] In addition, the method for adjusting the accelerator pedal opening according to one aspect of the present disclosure further includes: when the current accelerator pedal opening is less than a minimum limit value, adjusting the current accelerator pedal opening to 0.

[0010] According to another aspect of the present disclosure, a system for adjusting the opening of an accelerator pedal is provided, comprising: an acquisition module for acquiring an accelerator signal and a current vehicle speed in real time; an accelerator pedal opening verification module for determining, based on the throttle signal, whether the current accelerator pedal opening is not less than a minimum limit of the accelerator pedal opening; a step value determination module for determining, when the current accelerator pedal opening is not less than the minimum limit, a step value of a change in the accelerator pedal opening based on the current accelerator pedal opening, the current vehicle speed and a step value mapping table for the change in the accelerator pedal opening; an accelerator pedal adjustment output module for gradually and multiple times adjusting the current accelerator pedal opening based on the step value of the change in the accelerator pedal opening, and outputting a target accelerator pedal opening; wherein the step value mapping table for the change in the accelerator pedal opening contains a correspondence between the current accelerator pedal opening, the current vehicle speed and the step value of the change in the accelerator pedal opening; the step value of the change in the accelerator pedal opening is calibrated according to the current accelerator opening and the current vehicle speed, and is used to determine the amplitude of each adjustment of the accelerator pedal.

[0011] In addition, according to the system for adjusting the accelerator pedal opening according to another aspect of the present disclosure, the accelerator pedal opening change step mapping table also includes the correspondence between the current vehicle speed and the vehicle speed level, and the correspondence between the current accelerator pedal opening and the accelerator pedal opening; the step value determination module is also used for: when the current accelerator pedal opening is not less than the minimum limit, determining the accelerator pedal opening level corresponding to the current accelerator pedal opening based on the current accelerator pedal opening; determining the vehicle speed level corresponding to the current vehicle speed based on the current vehicle speed; based on the accelerator pedal opening level and the vehicle speed level, searching the accelerator pedal opening change step mapping table to determine the accelerator pedal opening change step value.

[0012] In addition, according to the system for adjusting the accelerator pedal opening according to another aspect of the present disclosure, the accelerator pedal adjustment output module is also used to: determine the difference between the current accelerator pedal opening and the preset next accelerator pedal opening; if the difference is not an integer multiple of the accelerator pedal opening change step value, the part less than one accelerator pedal opening change step value is ignored, and based on the accelerator pedal opening change step value, the current accelerator pedal opening is gradually adjusted in a step-by-step manner multiple times so that the actual output accelerator pedal opening is not greater than the target accelerator pedal opening.

[0013] According to yet another aspect of the present disclosure, a vehicle is provided, the vehicle comprising the system for adjusting the accelerator pedal opening according to claim 6.

[0014] The present disclosure also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the above-mentioned method for adjusting the accelerator pedal opening when executing the computer program.

[0015] The present disclosure also provides a non-transitory computer-readable storage medium having a computer program stored thereon, and when the computer program is executed by a processor, the method for adjusting the accelerator pedal opening as described above is implemented.

[0016] The present disclosure also provides a computer program product, including a computer program, which implements the above-mentioned method for adjusting the accelerator pedal opening when the computer program is executed by a processor.

[0017] The present invention provides a method, system, automobile and electronic device for adjusting the opening of an accelerator pedal. The method obtains the throttle signal and the current vehicle speed in real time. When the current accelerator pedal opening is not less than the minimum limit of the accelerator pedal opening, the accelerator pedal opening change step value is determined according to the current accelerator pedal opening, the current vehicle speed and the accelerator pedal opening change step mapping table. The current accelerator pedal opening is adjusted according to the accelerator pedal opening change step value, and the target accelerator pedal opening is output. The accelerator pedal opening is adjusted in a stepped manner, and the vehicle jerking caused by giving the corresponding accelerator pedal opening in direct response to the driver's needs is avoided, so that the driving process is smoother and the driving comfort is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the present disclosure or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a flowchart illustrating a method for adjusting the accelerator pedal opening provided according to an embodiment of the present disclosure.

[0020] Figure 2 It is a flowchart further illustrating a method for adjusting the accelerator pedal opening according to an embodiment of the present disclosure.

[0021] Figure 3 is a functional block diagram illustrating a system for adjusting an accelerator pedal opening according to an embodiment of the present disclosure.

[0022] Figure 4 It is a schematic diagram of the structure of an electronic device provided by the present disclosure. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the technical solutions in the present disclosure will be clearly and completely described below in conjunction with the drawings in the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0024] Figure 1 It is a flowchart illustrating a method for adjusting the accelerator pedal opening provided according to an embodiment of the present disclosure.

[0025] like Figure 1 As shown, the method for adjusting the accelerator pedal opening according to an embodiment of the present disclosure specifically includes the following steps.

[0026] Step 101: Acquire the throttle signal and current vehicle speed in real time.

[0027] In one embodiment of the present disclosure, the throttle signal refers to the command signal given by the driver through the accelerator pedal, which is usually provided by the accelerator pedal position sensor, which can detect the position change of the accelerator pedal and convert it into an electrical signal. These signals reflect the driver's operation intention of the accelerator pedal. When the vehicle is driving at a low speed, it is necessary to monitor the throttle signal and the current vehicle speed in real time so as to respond to the driver's operation intention in a timely manner.

[0028] Step 102: Based on the throttle signal, determine whether the current throttle pedal opening is not less than the minimum limit of the throttle pedal opening.

[0029] In one embodiment of the present disclosure, the current accelerator pedal opening refers to the actual current opening of the accelerator pedal, which is usually expressed as a percentage, 0% means that the accelerator pedal is completely closed, and 100% means that the accelerator pedal is completely open. The minimum limit of the accelerator pedal opening is a preset threshold value of the accelerator pedal opening, which is used to distinguish between a small movement of the accelerator pedal (which may be unintentional or does not require a response) and an actual acceleration request. According to the throttle energy signal, the current accelerator pedal opening can be determined, so that the size relationship between the current accelerator pedal opening and the minimum limit of the accelerator pedal opening can be determined.

[0030] Step 103: When the front accelerator pedal opening is not less than the minimum limit, determine the accelerator pedal opening change step value based on the current accelerator pedal opening, the current vehicle speed and the accelerator pedal opening change step mapping table.

[0031] Step 104: Based on the accelerator pedal opening change step value, the current accelerator pedal opening is adjusted step by step and multiple times, and the target accelerator pedal opening is output; wherein, the accelerator pedal opening change step mapping table contains the correspondence between the current accelerator pedal opening, the current vehicle speed and the accelerator pedal opening change step value; the accelerator pedal opening change step value is calibrated according to different accelerator openings and vehicle speeds, and is used to determine the amplitude of each adjustment of the accelerator pedal.

[0032] In one embodiment of the present disclosure, the accelerator pedal opening change step length mapping table is a preset data table, which is obtained by calibrating the vehicle, and reflects what the step length value of the accelerator pedal opening should be under different accelerator pedal openings and vehicle speeds. It contains the corresponding relationship between the current accelerator pedal opening, the current vehicle speed, and the accelerator pedal opening change step length value. The accelerator pedal opening change step length value refers to the amplitude of each adjustment of the accelerator pedal opening, which will affect the power output and response speed of the vehicle, and is calibrated according to different accelerator openings and vehicle speeds. Exemplarily, the calibration process usually involves measuring the actual power output of the vehicle under specific test conditions, such as different vehicle speeds and accelerator pedal openings, and then adjusting the accelerator pedal opening change step length value based on these data to ensure that the power output of the vehicle matches the driver's operating intention. The target accelerator pedal opening refers to the accelerator pedal opening value that is expected to be achieved. It can be based on the accelerator pedal opening requested by the driver, the vehicle state or the road and environmental conditions (such as uphill or downhill), and the next accelerator pedal opening output needs to adjust the current accelerator pedal opening. When the current accelerator pedal opening is not less than the minimum limit of the accelerator pedal opening, at this time, it is necessary to determine the accelerator pedal opening change step value based on the current accelerator pedal opening, the current vehicle speed and the accelerator pedal opening change step mapping table, so as to use the accelerator pedal opening change step value to gradually adjust the current accelerator pedal opening multiple times, that is, to change the current accelerator pedal opening in a step-like manner and output the target accelerator pedal opening.

[0033] In summary, according to the technical solution provided by the embodiment of the present disclosure, by acquiring the throttle signal and the current vehicle speed in real time, when the current throttle pedal opening is not less than the minimum limit of the throttle pedal opening, the throttle pedal opening change step value is determined according to the current throttle pedal opening, the current vehicle speed and the throttle pedal opening change step mapping table, and the current throttle pedal opening is adjusted according to the throttle pedal opening change step value, and the target throttle pedal opening is output to achieve step-by-step adjustment of the throttle pedal opening, thereby avoiding vehicle jerking caused by directly responding to the driver's needs and giving the corresponding throttle pedal opening, making the driving process smoother and improving driving comfort.

[0034] Furthermore, the throttle pedal opening change step mapping also includes the correspondence between the current vehicle speed and the vehicle speed level, and the correspondence between the current throttle pedal opening and the throttle pedal opening; when the front throttle pedal opening is not less than the minimum limit, based on the current throttle pedal opening, the current vehicle speed and the throttle pedal opening change step mapping table, the throttle pedal opening change step value is determined, including: when the front throttle pedal opening is not less than the minimum limit, based on the current throttle pedal opening, determining the throttle pedal opening level corresponding to the current throttle pedal opening; based on the current vehicle speed, determining the vehicle speed level corresponding to the current vehicle speed; based on the throttle pedal opening level and the vehicle speed level, searching the throttle pedal opening change step mapping table to determine the throttle pedal opening change step value.

[0035] In one embodiment of the present disclosure, the vehicle speed level refers to the vehicle speed level divided according to the vehicle speed during the vehicle process. The throttle pedal opening level describes the level of the pedal opening when the driver steps on the throttle pedal. The vehicle speed is divided into several levels, each of which represents a vehicle speed range. The throttle pedal opening is divided into several levels, each of which represents a throttle pedal opening range. For each combination of vehicle speed level and throttle pedal opening level, there is a corresponding throttle pedal opening change step value. This value indicates the amplitude by which the throttle pedal opening should be adjusted under a given vehicle speed and throttle pedal opening. According to the current throttle pedal opening, find the throttle pedal opening level to which it belongs. According to the current vehicle speed, find the vehicle speed level to which it belongs. Using the determined vehicle speed level and throttle pedal opening level as indexes, find the corresponding throttle pedal opening change step value in the throttle pedal opening change step mapping table.

[0036] Exemplarily, multiple vehicle speed thresholds and multiple accelerator pedal opening thresholds are set. Different vehicle speed levels can be divided according to the multiple vehicle speed thresholds, and different accelerator pedal opening levels can be divided according to the multiple accelerator pedal opening thresholds. Different accelerator pedal openings and vehicle speeds are collected, and the collected data is analyzed and processed to find out the relationship between the accelerator pedal opening change step value and the accelerator pedal opening level and vehicle speed level. According to the analysis results, the accelerator pedal opening change step value is calibrated and optimized to ensure that the vehicle can obtain the best response and performance under different working conditions.

[0037] In summary, according to the technical solution provided by the embodiment of the present disclosure, when the front accelerator pedal opening is not less than the minimum limit, after determining the accelerator pedal opening change step value through the above steps, the current accelerator pedal opening can be adjusted in a step-by-step manner using this step value. In this way, the acceleration process of the vehicle will be smoother, avoiding the vehicle jerking due to direct response to the driver's needs.

[0038] Furthermore, based on the accelerator pedal opening change step value, the current accelerator pedal opening is adjusted step by step multiple times to output the target accelerator pedal opening, including: determining the difference between the current accelerator pedal opening and the target accelerator pedal opening; if the difference is not an integer multiple of the accelerator pedal opening change step value, ignoring the part less than one accelerator pedal opening change step value, and based on the accelerator pedal opening change step value, the current accelerator pedal opening is adjusted step by step multiple times so that the actual output accelerator pedal opening is not greater than the target accelerator pedal opening.

[0039] In one embodiment of the present disclosure, the target accelerator pedal opening may be the next accelerator pedal opening determined based on the driver's operation intention (the signal given by the accelerator pedal). By determining the difference between the current accelerator pedal opening and the target accelerator pedal opening, it is determined whether the current accelerator pedal opening can be adjusted by a complete accelerator pedal opening change step value to reach the preset next accelerator pedal opening. If the difference is not an integer multiple of the accelerator pedal opening change step value, it means that the preset next accelerator pedal opening cannot be reached directly by one or more complete step adjustments. In this case, the part less than one accelerator pedal opening change step value is ignored, that is, only the accelerator pedal opening change step value is adjusted by an integer multiple of the current accelerator pedal opening, so that the actual output accelerator pedal opening is not greater than the target accelerator pedal opening. This can ensure that the adjustment process is step-shaped, avoid small, discontinuous adjustments, and thus maintain the stability of vehicle acceleration. It is ensured that the actual output accelerator pedal opening does not exceed the target accelerator pedal opening, which is to maintain the stability and controllability of vehicle acceleration.

[0040] In practical applications, this process ensures that the adjustment of the accelerator pedal opening is smooth and controllable. It avoids the problem of vehicle jerking or unstable acceleration caused by directly responding to the driver's needs. Through the stepped adjustment method, the transition to the desired accelerator pedal opening can be smoother, thereby improving driving comfort and safety.

[0041] In summary, according to the technical solution provided by the embodiment of the present disclosure, the adjustment strategy based on the mapping table and the step value ensures that the adjustment of the accelerator pedal opening is in line with the driver's operating intention and can maintain smooth acceleration of the vehicle.

[0042] Furthermore, the method includes: when the previous accelerator pedal opening is not less than a minimum limit, determining whether the opening change rate of the accelerator pedal between the current accelerator pedal opening and the previous accelerator pedal opening is less than the minimum limit of the opening change rate of the accelerator pedal; when the opening change rate is less than the minimum limit of the opening change rate, adjusting the current accelerator pedal opening to the previous accelerator pedal opening; determining the accelerator pedal opening change step value based on the adjusted current accelerator pedal opening, the current vehicle speed and the accelerator pedal opening change step mapping table; based on the accelerator pedal opening change step value, performing a step-by-step adjustment on the adjusted current accelerator pedal opening, and outputting a target accelerator pedal opening.

[0043] In one embodiment of the present disclosure, the opening change rate refers to the change rate between the current accelerator pedal opening and the last accelerator pedal opening. The minimum opening change rate limit of the accelerator pedal is a preset threshold value used to distinguish between a slight operation of the driver (which may be unintentional or need not be responded to) and a significant acceleration or deceleration request. When the opening change rate is less than the minimum opening change rate limit, it can be considered that the driver's operation is slight and no significant adjustment of the accelerator pedal opening is required. In the case where the current accelerator pedal opening is not less than the minimum opening change rate, the opening change rate between the current accelerator pedal opening and the last accelerator pedal opening is determined. The opening change rate is compared with the minimum opening change rate limit. When the opening change rate is less than the minimum opening change rate limit, the current accelerator pedal opening is adjusted to the last accelerator pedal opening. If the opening change rate is less than the minimum opening change rate limit, this means that the driver's operation is slight, which may be unintentional or need not be responded to. In this case, the current accelerator pedal opening is adjusted to the last accelerator pedal opening to maintain smooth acceleration and throttle stability of the vehicle. After adjusting the current accelerator pedal opening, the adjusted current accelerator pedal opening, the current vehicle speed and the accelerator pedal opening change step mapping table are used again to determine the accelerator pedal opening change step value, and the adjusted current accelerator pedal opening is adjusted step by step multiple times using the determined accelerator pedal opening change step value, and then the target accelerator pedal opening output is output to control the vehicle's acceleration process.

[0044] For example, the minimum limit of the accelerator pedal opening rate is set to 0.5. In actual application, the above process ensures that the adjustment of the accelerator pedal opening is smooth and controllable, especially when the driver performs slight operations. By introducing the opening rate and the minimum limit of the opening rate, the driver's intention can be more accurately identified and adjusted accordingly. This helps to improve driving comfort and safety, while reducing the problem of vehicle jerking or acceleration instability caused by slight driver operations.

[0045] Furthermore, the accelerator pedal opening level to which the current accelerator opening is adjusted can be searched. The vehicle speed level to which the current accelerator opening is searched according to the current vehicle speed. The determined vehicle speed level and accelerator pedal opening level are used as indexes to search the corresponding accelerator pedal opening change step value in the accelerator pedal opening change step mapping table. By determining the difference between the current accelerator pedal opening after adjustment and the target accelerator pedal opening, it is determined whether the current accelerator opening after adjustment can be adjusted by the complete accelerator pedal opening change step value to achieve the target accelerator pedal opening. If the difference is not an integer multiple of the accelerator pedal opening change step value, it means that the target accelerator pedal opening cannot be achieved directly by one or more complete step adjustments. In this case, the part less than one accelerator pedal opening change step value is ignored, that is, only the accelerator pedal opening change step value of the adjusted current accelerator pedal opening is adjusted by an integer multiple, so that the accelerator pedal opening actually output is not greater than the target accelerator pedal opening. This ensures that the adjustment process is step-by-step, avoiding small, discontinuous adjustments, thereby maintaining the smoothness of vehicle acceleration. Ensure that the actual output accelerator pedal opening does not exceed the preset value, in order to maintain the smoothness and controllability of vehicle acceleration.

[0046] Furthermore, when the current accelerator pedal opening is less than the minimum limit, the current accelerator pedal opening is adjusted to 0.

[0047] In one embodiment of the present disclosure, when a vehicle is traveling at a low speed, a small throttle cannot meet the power demand of the vehicle (such as a commercial vehicle). Therefore, when the current throttle pedal opening is less than the minimum limit, the current throttle opening is corrected to 0 to achieve energy saving effect.

[0048] In summary, according to the technical solution provided by the embodiment of the present disclosure, the above method can avoid the fuel consumption and transient operating conditions of the engine caused by a small throttle during low-speed driving of the vehicle.

[0049] In order to explain in detail the method for adjusting the accelerator pedal opening provided by the present disclosure, refer to Figure 2 , Figure 2 The method for adjusting the accelerator pedal opening according to an embodiment of the present disclosure is further illustrated.

[0050] Step 201: In the low speed mode, the driver requests the throttle opening, and needs to obtain the throttle signal and the current vehicle speed in real time.

[0051] Step 202: Determine whether the current accelerator pedal opening is less than the accelerator pedal opening threshold (i.e., the aforementioned minimum limit of the accelerator pedal opening). If yes, proceed to step 211, otherwise proceed to step 203.

[0052] Since a small throttle cannot meet the power requirements of commercial vehicles and will cause power loss, in low speed mode, the throttle opening requested by the driver is obtained in real time according to the driving style, and the current throttle pedal opening is determined according to the throttle signal, and the current throttle pedal opening is preliminarily processed. It is determined whether the current throttle pedal opening is less than the throttle pedal opening threshold.

[0053] Go to step 203: Step 203: Determine whether the accelerator pedal opening change rate is less than the accelerator pedal opening change rate threshold APP_r2_C (ie, the aforementioned minimum limit of the accelerator pedal opening change rate). If so, proceed to step 207; otherwise, proceed to step 204.

[0054] Specifically, the accelerator pedal opening change rate threshold APP_r2_C is set to 0.5, the current accelerator pedal opening and the previous accelerator pedal opening are judged, and it is determined whether the accelerator pedal opening change rate is less than the accelerator pedal opening change rate threshold.

[0055] Go to step 204: Step 204: Find the accelerator pedal opening change step value at different vehicle speed levels and accelerator pedal opening levels.

[0056] Specifically, 1) the vehicle speed is divided into three levels according to the following different thresholds: Vehicle speed threshold 1: DrvDem_vAPPRange1_C Vehicle speed threshold 2: DrvDem_vAPPRange2_C 2) The accelerator pedal opening is divided into four levels according to the following different thresholds: Accelerator pedal opening threshold 1: DrvDem_rAPPRange1_C Accelerator pedal opening threshold 2: DrvDem_rAPPRange2_C Accelerator pedal opening threshold 3: DrvDem_rAPPRange3_C; 3) According to the vehicle speed level and the accelerator pedal opening level, the Map table (i.e. the aforementioned accelerator pedal opening change step value mapping table) is retrieved to determine the throttle change step (i.e. the aforementioned accelerator pedal opening change step value).

[0057] Step 205: Discard the values ​​that do not satisfy the accelerator pedal opening change step value.

[0058] Specifically, the current accelerator pedal opening is processed according to the accelerator change step obtained by looking up the table.

[0059] When the difference between the current throttle pedal opening and the preset next throttle pedal opening does not satisfy an integer multiple of the throttle pedal opening change step value, the part that does not satisfy one throttle pedal opening change step value is discarded, and the throttle change step value is obtained according to the throttle change step value obtained by looking up the table. Each time the throttle changes, the current throttle pedal opening is adjusted in a step-by-step manner according to the corresponding step value to avoid the actual output target throttle pedal opening being greater than the target throttle pedal opening (i.e. the throttle requested by the driver).

[0060] Step 206: Output the next accelerator pedal opening.

[0061] Step 207: Maintain the previous accelerator pedal opening.

[0062] Specifically, if the accelerator pedal opening change rate is less than the accelerator pedal opening change rate threshold, the current accelerator pedal opening is adjusted to the previous accelerator pedal opening.

[0063] Step 208: Find the accelerator pedal opening change step value at different vehicle speed levels and accelerator pedal opening levels.

[0064] Specifically, 1) the vehicle speed is divided into three levels according to the following different thresholds: Vehicle speed threshold 1: DrvDem_vAPPRange1_C Vehicle speed threshold 2: DrvDem_vAPPRange2_C 2) The accelerator pedal opening is divided into four levels according to the following different thresholds: Accelerator pedal opening threshold 1: DrvDem_rAPPRange1_C Accelerator pedal opening threshold 2: DrvDem_rAPPRange2_C Accelerator pedal opening threshold 3: DrvDem_rAPPRange3_C; 3) According to the vehicle speed level and the accelerator pedal opening level, the Map table (i.e. the aforementioned accelerator pedal opening change step value mapping table) is retrieved to determine the throttle change step (i.e. the aforementioned accelerator pedal opening change step value).

[0065] Step 209: Discard the values ​​that do not satisfy the accelerator pedal opening change step value.

[0066] Specifically, the current accelerator pedal opening is processed according to the accelerator change step obtained by looking up the table.

[0067] When the difference between the previous throttle pedal opening and the target throttle pedal opening does not satisfy an integer multiple of the throttle pedal opening change step value, the part that does not satisfy one throttle pedal opening change step value is discarded, and the throttle change step value is obtained according to the throttle change step value obtained by looking up the table. Each time the throttle changes, the previous throttle pedal opening is gradually adjusted multiple times according to the corresponding step value to avoid the actual output throttle pedal opening being greater than the target throttle pedal opening (i.e. the throttle requested by the driver).

[0068] Step 210: Output the next accelerator pedal opening.

[0069] Step 211: Correct the current accelerator pedal opening to 0.

[0070] For the throttle debounce processing, specifically, the throttle opening less than the throttle pedal opening threshold (APP_r1_C) is corrected to 0, thereby achieving energy saving effect.

[0071] Figure 3 2 is a functional block diagram of a system for adjusting the accelerator pedal opening according to an embodiment of the present disclosure. Figure 3 As shown, the system 300 for adjusting the accelerator pedal opening provided according to an embodiment of the present disclosure includes: a collection module 301, an accelerator pedal opening verification module 302, a step value determination module 303 and an accelerator pedal adjustment output module 304.

[0072] Specifically, the acquisition module 301 is used to obtain the throttle signal and the current vehicle speed in real time.

[0073] Specifically, the accelerator pedal opening verification module 302 is used to determine whether the current accelerator pedal opening is not less than the minimum limit of the accelerator pedal opening based on the accelerator signal.

[0074] Specifically, the step value determination module 303 is used to determine the accelerator pedal opening change step value based on the current accelerator pedal opening, the current vehicle speed and the accelerator pedal opening change step mapping table when the current accelerator pedal opening is not less than the minimum limit.

[0075] Specifically, the throttle pedal adjustment output module 304 is used to gradually and multiple times adjust the current throttle pedal opening based on the throttle pedal opening change step value, and output the target throttle pedal opening; wherein the throttle pedal opening change step mapping table contains the correspondence between the current throttle pedal opening, the current vehicle speed and the throttle pedal opening change step value; the throttle pedal opening change step value is calibrated according to the current throttle opening and the current vehicle speed, and is used to determine the amplitude of each adjustment of the throttle pedal.

[0076] Furthermore, the accelerator pedal opening change step mapping table also includes the correspondence between the current vehicle speed and the vehicle speed level, and the correspondence between the current accelerator pedal opening and the accelerator pedal opening; the step value determination module 303 is also used for: when the current accelerator pedal opening is not less than the minimum limit, based on the current accelerator pedal opening, determining the accelerator pedal opening level corresponding to the current accelerator pedal opening; based on the current vehicle speed, determining the vehicle speed level corresponding to the current vehicle speed; based on the accelerator pedal opening level and the vehicle speed level, searching the accelerator pedal opening change step mapping table to determine the accelerator pedal opening change step value.

[0077] Furthermore, the throttle pedal adjustment output module 304 is also used to: determine the difference between the current throttle pedal opening and the preset next throttle pedal opening; if the difference is not an integer multiple of the throttle pedal opening change step value, then ignore the part that is less than one throttle pedal opening change step value, and based on the throttle pedal opening change step value, perform a step-by-step adjustment on the current throttle pedal opening so that the actual output throttle pedal opening is not greater than the target throttle pedal opening.

[0078] The present disclosure also provides a car, which includes the above-mentioned system for adjusting the opening of the accelerator pedal.

[0079] Figure 4 An example of a physical structure diagram of an electronic device is shown in FIG. Figure 4 As shown, the electronic device may include: a processor 410, a communication interface 420, a memory 430 and a communication bus 440, wherein the processor 410, the communication interface 420 and the memory 430 communicate with each other through the communication bus 440. The processor 410 may call the logic instructions in the memory 430 to execute the above-mentioned method for adjusting the accelerator pedal opening.

[0080] In addition, the logic instructions in the above-mentioned memory 830 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when it is sold or used as an independent product. Based on this understanding, the technical solution of the present disclosure, or the part that contributes to the prior art or the part of the technical solution, can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present disclosure. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc. Various media that can store program codes.

[0081] On the other hand, the present disclosure also provides a computer program product, which includes a computer program. The computer program can be stored on a non-transitory computer-readable storage medium. When the computer program is executed by a processor, the computer can execute the above-mentioned method of adjusting the accelerator pedal opening.

[0082] On the other hand, the present disclosure further provides a non-transitory computer-readable storage medium having a computer program stored thereon, which is implemented when the computer program is executed by a processor to perform the above-mentioned method for adjusting the accelerator pedal opening.

[0083] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0084] Through the description of the above implementation methods, those skilled in the art can clearly understand that each implementation method can be implemented by means of software plus a necessary general hardware platform, and of course, can also be implemented by hardware. Based on this understanding, the above technical solution is essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or some parts of the embodiments.

[0085] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure, rather than to limit them. Although the present disclosure has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present disclosure.

Claims

1. A method for adjusting the opening of an accelerator pedal, characterized in that: include: Get throttle signal and current vehicle speed in real time; Based on the throttle signal, determining whether the current throttle pedal opening is not less than a minimum limit of the throttle pedal opening; When the current accelerator pedal opening is not less than a minimum limit, determining the accelerator pedal opening change step value based on the current accelerator pedal opening, the current vehicle speed and an accelerator pedal opening change step mapping table; Based on the accelerator pedal opening change step value, the current accelerator pedal opening is adjusted step by step for multiple times, and a target accelerator pedal opening is output; Wherein, the accelerator pedal opening change step length mapping table includes the correspondence between the current accelerator pedal opening, the current vehicle speed and the accelerator pedal opening change step length value; The accelerator pedal opening change step value is calibrated according to different accelerator pedal openings and vehicle speeds, and is used to determine the amplitude of each adjustment of the accelerator pedal.

2. The method for adjusting the accelerator pedal opening according to claim 1, characterized in that: The accelerator pedal opening change step length mapping table also includes the corresponding relationship between the current vehicle speed and the vehicle speed level, and the corresponding relationship between the current accelerator pedal opening and the accelerator pedal opening; The step of determining the accelerator pedal opening change step value based on the current accelerator pedal opening, the current vehicle speed and the accelerator pedal opening change step mapping table when the current accelerator pedal opening is not less than the minimum limit value comprises: In a case where the current accelerator pedal opening is not less than a minimum limit, determining an accelerator pedal opening level corresponding to the current accelerator pedal opening based on the current accelerator pedal opening; Based on the current vehicle speed, determining a vehicle speed level corresponding to the current vehicle speed; Based on the accelerator pedal opening level and the vehicle speed level, the accelerator pedal opening change step length mapping table is searched to determine the accelerator pedal opening change step length value.

3. The method for adjusting the accelerator pedal opening according to claim 2, characterized in that: The step of adjusting the current accelerator pedal opening step by step for multiple times based on the accelerator pedal opening change step value to output a target accelerator pedal opening includes: determining a difference between the current accelerator pedal opening and the target accelerator pedal opening; If the difference is not an integer multiple of the accelerator pedal opening change step value, the part that is less than one accelerator pedal opening change step value is ignored, and based on the accelerator pedal opening change step value, the current accelerator pedal opening is adjusted step by step multiple times so that the actual output accelerator pedal opening is not greater than the target accelerator pedal opening.

4. The method for adjusting the accelerator pedal opening according to claim 1, characterized in that: The method comprises: When the current accelerator pedal opening is not less than the minimum limit, determining whether the accelerator pedal opening change rate between the current accelerator pedal opening and the last accelerator pedal opening is less than the accelerator pedal opening change rate minimum limit; When the opening change rate is less than the minimum opening change rate limit, adjusting the current accelerator pedal opening to the previous accelerator pedal opening; Determining a throttle pedal opening change step value based on the adjusted current throttle pedal opening, the current vehicle speed, and a throttle pedal opening change step mapping table; Based on the accelerator pedal opening change step value, the adjusted current accelerator pedal opening is adjusted, and the target accelerator pedal opening is output.

5. The method for adjusting the accelerator pedal opening according to claim 1, characterized in that: The method further comprises: When the current accelerator pedal opening is less than the minimum limit, the current accelerator pedal opening is adjusted to 0.

6. A system for adjusting the opening of an accelerator pedal, characterized in that: include: Acquisition module, used to obtain throttle signal and current vehicle speed in real time; an accelerator pedal opening verification module, used to determine whether the current accelerator pedal opening is not less than the minimum limit of the accelerator pedal opening based on the accelerator signal; a step value determination module, configured to determine the step value of the accelerator pedal opening change based on the current accelerator pedal opening, the current vehicle speed and the accelerator pedal opening change step value mapping table when the current accelerator pedal opening is not less than a minimum limit value; An accelerator pedal adjustment output module, configured to gradually and multiple times adjust the current accelerator pedal opening based on the accelerator pedal opening change step value, and output a target accelerator pedal opening; Wherein, the accelerator pedal opening change step length mapping table includes the correspondence between the current accelerator pedal opening, the current vehicle speed and the accelerator pedal opening change step length value; The accelerator pedal opening change step value is calibrated according to the current accelerator opening and the current vehicle speed, and is used to determine the amplitude of each adjustment of the accelerator pedal.

7. The system for adjusting the accelerator pedal opening according to claim 6, characterized in that: The accelerator pedal opening change step length mapping table also includes the corresponding relationship between the current vehicle speed and the vehicle speed level, and the corresponding relationship between the current accelerator pedal opening and the accelerator pedal opening; The step value determination module is also used for: When the current accelerator pedal opening is not less than a minimum limit, determining an accelerator pedal opening level corresponding to the current accelerator pedal opening based on the current accelerator pedal opening; Based on the current vehicle speed, determining a vehicle speed level corresponding to the current vehicle speed; Based on the accelerator pedal opening level and the vehicle speed level, the accelerator pedal opening change step length mapping table is searched to determine the accelerator pedal opening change step length value.

8. The system for adjusting the accelerator pedal opening according to claim 6, characterized in that: The accelerator pedal adjustment output module is also used for: Determining a difference between the current accelerator pedal opening and the preset next accelerator pedal opening; If the difference is not an integer multiple of the accelerator pedal opening change step value, the part that is less than one accelerator pedal opening change step value is ignored, and based on the accelerator pedal opening change step value, the current accelerator pedal opening is gradually adjusted multiple times so that the actual output accelerator pedal opening is not greater than the target accelerator pedal opening.

9. A car, characterized in that: The automobile comprises a system for adjusting the accelerator pedal opening as described in any one of claims 6-8.

10. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: When the processor executes the computer program, the method for adjusting the accelerator pedal opening as described in any one of claims 1 to 5 is implemented.

Citation Information

Patent Citations

  • Accelerator pedal opening degree analysis control method, device and system

    CN108297860A

  • Accelerator pedal opening degree adjusting method, device and equipment and storage medium

    CN112277640A

  • Control unit of throttle valve

    JP1999200901A

  • Accelerator pedal opening optimum value calculating device

    JP2006017072A

  • Vehicle speed control system

    US6311118B1