An electric vehicle torque control method, system, storage medium and device

Abstract

The application provides an electric vehicle torque control method, system, storage medium and equipment, which comprises the following steps: when it is detected in real time that a vehicle is in a driving state, detecting in real time an accelerator pedal opening degree corresponding to the vehicle, and matching in real time a target torque value corresponding to the accelerator pedal opening degree; detecting in real time an actual torque value corresponding to the accelerator pedal opening degree, and calculating in real time a target absolute value between the target torque value and the actual torque value; judging in real time whether the target absolute value meets a preset requirement; if it is judged in real time that the target absolute value meets the preset requirement, fitting in real time a torque equation curve corresponding to the target torque value and the actual torque value according to the target torque value and the actual torque value, and formulating in real time a corresponding torque control strategy according to a change rule of the torque equation curve, so as to complete torque control of the vehicle according to the torque control strategy. The application can effectively improve user driving experience.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobiles, in particular to an electric vehicle torque control method, system, storage medium and equipment. BACKGROUND

[0002] With the progress of science and technology and the rapid development of productivity, new energy electric vehicle technology is also maturing, and has been popularized in people's daily life, greatly facilitating people's life.

[0003] For electric vehicles, the vehicle target torque is output by the vehicle controller (hereinafter referred to as VCU), and the speed is output by the motor controller (hereinafter referred to as MCU), or vice versa. No matter which way, the rapid change of torque will cause the speed to fluctuate, and the whole vehicle will show different degrees of shaking or surging.

[0004] In the prior art, the target torque is basically a vehicle speed / rotational speed-torque mapping table preset in the VCU software according to the motor external characteristic capability value, and then the corresponding target torque value is output according to the accelerator pedal opening degree, vehicle speed, wheel end torque, motor end torque and other signals, and the PI control is combined to adjust and optimize the torque. This way will make the target torque value of the vehicle when driving appear torque peak, and when the driving torque and the driving torque are switched, the torque will appear in the pit, and when the driving torque is close to the external characteristic torque, the step-shaped torque curve will appear. The actual torque will follow the target torque and appear peak value or uneven phenomenon, resulting in speed fluctuation. SUMMARY

[0005] Therefore, the purpose of the present application is to provide an electric vehicle torque control method, system, storage medium and equipment to solve the problem that the actual torque will appear peak value or uneven phenomenon according to the target torque in the process of driving torque control in the prior art, resulting in speed fluctuation.

[0006] The first aspect of the embodiment of the present application provides:

[0007] An electric vehicle torque control method, wherein the method comprises:

[0008] When it is detected in real time that the vehicle is in a driving state, the accelerator pedal opening degree corresponding to the vehicle is detected in real time, and the target torque value corresponding to the accelerator pedal opening degree is matched in real time;

[0009] The actual torque value corresponding to the accelerator pedal opening degree is detected in real time, and the target absolute value between the target torque value and the actual torque value is calculated in real time;

[0010] The target absolute value is judged in real time whether it meets the preset requirement;

[0011] If it is judged in real time that the target absolute value meets the preset requirement, a corresponding torque equation curve is fitted in real time according to the target torque value and the actual torque value, a corresponding torque control strategy is formulated in real time according to the change rule of the torque equation curve, and the torque control of the vehicle is completed according to the torque control strategy.

[0012] The beneficial effects of the present application are that: by detecting the target torque value corresponding to the accelerator pedal opening in real time during the driving of the vehicle, the actual torque value of the current vehicle and the target torque value of the current vehicle can be further calculated based on this, and only the real-time judgment of whether the current target absolute value meets the preset requirement is needed, if so, the required torque control strategy can be finally generated, and the torque control of the vehicle is completed correspondingly.

[0013] Further, the step of matching the target torque value corresponding to the accelerator pedal opening in real time comprises:

[0014] When the accelerator pedal opening is acquired in real time, the target opening value corresponding to the accelerator pedal opening is detected in real time;

[0015] When the target opening value is acquired in real time, the corresponding torque mapping parameter table is called out in the preset database, and the target torque value is matched according to the torque mapping parameter table.

[0016] Further, the step of matching the target torque value according to the torque mapping parameter table comprises

[0017] When the torque mapping parameter table is acquired in real time, a plurality of parameter thresholds contained in the torque mapping parameter table are detected in real time;

[0018] The target opening value is compared with each of the parameter thresholds to match the target torque value.

[0019] Further, the step of matching the target torque value according to the torque mapping parameter table comprises

[0020] When a plurality of parameter thresholds are acquired in real time, the target opening value is compared with each of the parameter thresholds in turn to match the corresponding target parameter threshold in real time, and the torque value corresponding to the target parameter threshold is set as the target torque value.

[0021] Further, the step of formulating the corresponding torque control strategy in real time according to the change rule of the torque equation curve to complete the torque control of the vehicle according to the torque control strategy comprises

[0022] When the torque equation curve is acquired in real time, the torque equation curve is scanned in whole to correspondingly detect a starting point and a terminal point of the torque equation curve, and a plurality of inflection points correspondingly contained in the torque equation curve are detected in real time in a range of the starting point and the terminal point, so as to generate a corresponding torque control strategy according to the plurality of inflection points and correspondingly complete torque control of the vehicle.

[0023] Further, the step of generating the corresponding torque control strategy according to the plurality of inflection points and correspondingly completing the torque control of the vehicle comprises:

[0024] When the plurality of inflection points are acquired in real time, a corresponding target identifier is added to each of the inflection points, and each of the inflection points is connected in sequence based on the target identifier, so as to generate a plurality of corresponding target connection lines, and the torque control strategy is correspondingly generated according to a change rule of each of the target connection lines, each of the target connection lines being a straight line.

[0025] Further, the step of generating the torque control strategy according to the change rule of each of the target connection lines comprises:

[0026] When the plurality of target connection lines are acquired in real time, a target slope value correspondingly corresponding to each of the target connection lines is detected in real time, a target difference value between two adjacent target slope values is calculated in real time based on the target identifier, and a corresponding torque output value is matched in real time according to a size of the target difference value, so as to complete control of the vehicle in real time according to the torque output value.

[0027] The second aspect of the embodiment of the application provides:

[0028] An electric vehicle torque control system, wherein the system comprises:

[0029] A detection module is configured to detect an accelerator pedal opening degree corresponding to a vehicle in real time when the vehicle is detected in a driving state, and match a target torque value corresponding to the accelerator pedal opening degree in real time.

[0030] A calculation module is configured to detect an actual torque value corresponding to the accelerator pedal opening degree in real time, and calculate a target absolute value between the target torque value and the actual torque value in real time.

[0031] A judgment module is configured to judge whether the target absolute value meets a preset requirement in real time.

[0032] The execution module is configured to, if it is determined in real time that the target absolute value meets the preset requirement, fit a corresponding torque equation curve in real time according to the target torque value and the actual torque value, formulate a corresponding torque control strategy according to a change rule of the torque equation curve in real time, and complete torque control of the vehicle according to the torque control strategy.

[0033] Further, the judging module is specifically configured to:

[0034] detect a target opening value corresponding to the accelerator pedal opening in real time when the accelerator pedal opening is acquired in real time.

[0035] retrieve a corresponding torque mapping parameter table from a preset database and match the target torque value according to the torque mapping parameter table when the target opening value is acquired in real time.

[0036] Further, the judging module is further specifically configured to:

[0037] detect a plurality of parameter thresholds corresponding to the torque mapping parameter table in real time when the torque mapping parameter table is acquired in real time.

[0038] compare the target opening value with each of the parameter thresholds to match the target torque value.

[0039] Further, the judging module is further specifically configured to:

[0040] compare the target opening value with each of the parameter thresholds in sequence to match a corresponding target parameter threshold in real time and set a torque value corresponding to the target parameter threshold as the target torque value when a plurality of parameter thresholds are acquired in real time.

[0041] Further, the judging module is further specifically configured to:

[0042] scan the torque equation curve in full to detect a starting point and an ending point of the torque equation curve and a plurality of inflection points corresponding to the torque equation curve in real time within a range of the starting point and the ending point, generate a corresponding torque control strategy according to the plurality of inflection points, and complete torque control of the vehicle according to the torque control strategy when the torque equation curve is acquired in real time.

[0043] Further, the calculating module is specifically configured to:

[0044] When the several inflection points are acquired in real time, a corresponding target identifier is added to each of the inflection points, and each of the inflection points is connected in sequence based on the target identifier to generate several corresponding target connection lines, and the torque control strategy is generated according to the change rule of each of the target connection lines, and each of the target connection lines is a straight line.

[0045] Further, the electric vehicle torque control system further comprises a prompt module, and the prompt module is specifically used for:

[0046] When the several target connection lines are acquired in real time, a target slope value corresponding to each of the target connection lines is detected in real time, a target difference value between two adjacent target slope values is calculated in real time based on the target identifier, and a corresponding torque output value is matched according to the size of the target difference value, so that the vehicle is controlled according to the torque output value in real time.

[0047] The third aspect of the embodiment of the present application provides:

[0048] A readable storage medium having a computer program stored thereon, wherein the program is executed by a processor to implement the electric vehicle torque control method as described above.

[0049] The fourth aspect of the embodiment of the present application provides:

[0050] A computer comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the electric vehicle torque control method as described above when executing the computer program.

[0051] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be understood through practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0052] Figure 1 A flowchart of the electric vehicle torque control method provided for the first embodiment of the present application is shown in the figure;

[0053] Figure 2 A structural block diagram of the electric vehicle torque control system provided for the third embodiment of the present application is shown in the figure.

[0054] The following specific implementation will further illustrate the present application in combination with the above figures. DETAILED DESCRIPTION

[0055] For the purpose of promoting an understanding of the application, the application will now be described in greater detail with reference to the figures. Several embodiments of the application are depicted in the drawings. However, the application can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will fully convey the scope of the application to those skilled in the art.

[0056] It is to be understood that where an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. Where an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can also be present. As used herein the terms "vertical", "horizontal", "left", "right" and the like are merely used for the purpose of illustration and description.

[0057] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

[0058] Referring to Figure 1 , the electric vehicle torque control method provided by the first embodiment of the application will not cause the torque output by the driving motor to suddenly change, thereby not causing the vehicle to shake, and thus the user's experience is improved.

[0059] Specifically, the embodiment provides:

[0060] An electric vehicle torque control method, specifically comprising the following steps:

[0061] Step S10, when it is detected in real time that the vehicle is in a running state, detecting in real time an accelerator pedal opening degree corresponding to the vehicle, and matching in real time a target torque value corresponding to the accelerator pedal opening degree;

[0062] Step S20, detecting in real time an actual torque value corresponding to the accelerator pedal opening degree, and calculating in real time a target absolute value between the target torque value and the actual torque value;

[0063] Step S30, judging in real time whether the target absolute value meets a preset requirement;

[0064] Step S40, if it is judged in real time that the target absolute value meets the preset requirement, a torque equation curve is fitted in real time according to the target torque value and the actual torque value, a corresponding torque control strategy is formulated in real time according to the change rule of the torque equation curve, and torque control of the vehicle is completed according to the torque control strategy.

[0065] Specifically, in the present embodiment, firstly, it needs to be explained that, in order to objectively and accurately complete the torque control of the electric vehicle, it is necessary to identify the state of the vehicle first, preferably, it is necessary to identify whether the current vehicle is in a running state or a static state. Specifically, in the actual application process, when it is detected in real time that the vehicle is in a running state, in order to accurately obtain the torque information corresponding to the current vehicle, it is necessary to detect the accelerator pedal opening degree of the current vehicle in real time, that is, the degree of the driver's stepping, based on which, the target torque value corresponding to the current accelerator pedal opening degree can be further matched in real time.

[0066] Further, after the required target torque value is obtained in real time through the above steps, in order to accurately complete the torque control of the current vehicle, the actual torque value corresponding to the current accelerator pedal opening degree, that is, the size of the torque generated in real time at the current moment, needs to be detected, based on which, the target absolute value between the current target torque value and the current actual torque value needs to be further calculated, preferably, the present application further judges whether the current target absolute value meets the pre-set requirement, specifically, if so, the corresponding torque equation curve can be fitted directly according to the current target torque value and the current actual torque value, and finally the required torque control strategy is formulated in real time according to the change rule of the torque equation curve, and finally the torque control of the current vehicle is completed, so that the torque output of the current vehicle can be smoothly completed, and the user's experience is improved.

[0067] Further, the step of matching the target torque value corresponding to the accelerator pedal opening degree comprises:

[0068] When the accelerator pedal opening degree is obtained in real time, the target opening degree value corresponding to the accelerator pedal opening degree is detected in real time;

[0069] When the target opening degree value is obtained in real time, the corresponding torque mapping parameter table is called out in the preset database, and the target torque value is matched according to the torque mapping parameter table.

[0070] Specifically, in the present embodiment, it needs to be explained that, after the actual torque output by the driving motor is detected in real time through the above steps, the target torque value contained in the current actual torque can be further analyzed.

[0071] Further, it is further needed to further judge whether the current target torque value is less than a preset torque threshold, preferably, the preset torque threshold is set to 3N / m, to make subsequent judgment, so as to facilitate subsequent processing.

[0072] Further, the step of corresponding matching the target torque value according to the torque mapping parameter table comprises

[0073] When the torque mapping parameter table is acquired in real time, a plurality of parameter thresholds corresponding contained in the torque mapping parameter table are detected in real time;

[0074] The target opening value is compared with each of the parameter thresholds to correspondingly match the target torque value.

[0075] Further, the step of corresponding matching the target torque value according to the torque mapping parameter table comprises:

[0076] When a plurality of parameter thresholds are acquired in real time, the target opening value is compared with each of the parameter thresholds in turn to correspondingly match the target parameter threshold, and the torque value corresponding to the target parameter threshold is correspondingly set as the target torque value.

[0077] Further, the current driving motor is immediately controlled to enter a torque control mode, so as to facilitate subsequent processing.

[0078] Further, the step of formulating a corresponding torque control strategy according to the change rule of the torque equation curve to complete the torque control of the vehicle comprises

[0079] When the torque equation curve is acquired in real time, the torque equation curve is scanned in whole to correspondingly detect the starting point and the ending point of the torque equation curve, and a plurality of inflection points corresponding contained in the torque equation curve are detected in real time in the range of the starting point and the ending point, to generate a corresponding torque control strategy according to a plurality of the inflection points and correspondingly complete the torque control of the vehicle.

[0080] Further, the step of generating a corresponding torque control strategy according to a plurality of the inflection points and correspondingly completing the torque control of the vehicle comprises:

[0081] When a plurality of the inflection points are acquired in real time, a corresponding target identifier is added to each of the inflection points, and each of the inflection points is connected in turn based on the target identifier to generate a plurality of corresponding target connection lines, and the torque control strategy is correspondingly generated according to the change rule of each of the target connection lines, each of the target connection lines being a straight line.

[0082] Further, the step of generating the torque control strategy according to the variation law of each target connection line comprises:

[0083] When a plurality of target connection lines are acquired in real time, a target slope value corresponding to each target connection line is detected in real time, a target difference value between two adjacent target slope values is calculated in real time based on the target identification, and a corresponding torque output value is matched in real time according to the size of the target difference value, so as to complete the control of the vehicle according to the torque output value in real time.

[0084] In this embodiment, it should be noted that after the required accelerator pedal opening is acquired in real time through the above steps, in order to objectively and accurately match the required target torque value, the present application first detects a target opening value corresponding to the current accelerator pedal opening, at the same time, a corresponding torque mapping parameter table is called out in the preset database, and the required target torque value is matched according to the current torque mapping parameter table, wherein it should be noted that the torque mapping parameter table is internally provided with a plurality of parameter thresholds, based on this, only by comparing the above target opening value with each current parameter threshold according to its size, the required target torque value can be obtained.

[0085] Further, after the required torque equation curve is acquired in real time through the above steps, in order to objectively and effectively generate the required torque control strategy, preferably, the present application first detects a plurality of inflection points contained in the current torque control strategy in sequence, further, in order to facilitate subsequent identification, the present application further adds a corresponding target identification to each current inflection point, based on this, the current target identification is taken as the basis, each current inflection point is connected in sequence, a plurality of corresponding target connection lines can be further generated, wherein it should be noted that each current target connection line is a straight line, based on this, the target slope value of each current target connection line can be further calculated, and finally the target difference value between two adjacent target slope values can be calculated, based on this, the corresponding torque control strategy is finally generated according to the size of the target difference value, so as to facilitate subsequent processing.

[0086] Please refer to Figure 2 The third embodiment of the present application provides:

[0087] An electric vehicle torque control system, wherein the system comprises:

[0088] The detection module is used for detecting the accelerator pedal opening corresponding to the vehicle in real time when the vehicle is in a driving state, and matching a target torque value corresponding to the accelerator pedal opening in real time.

[0089] The computing module is used for detecting an actual torque value corresponding to the accelerator pedal opening degree in real time, and calculating a target absolute value between the target torque value and the actual torque value in real time;

[0090] The judging module is used for judging whether the target absolute value meets preset requirements in real time;

[0091] The executing module is used for fitting a torque equation curve corresponding to the target torque value and the actual torque value in real time according to the target torque value and the actual torque value if it is judged that the target absolute value meets the preset requirements in real time, and formulating a torque control strategy according to a change rule of the torque equation curve in real time, so as to complete torque control of the vehicle according to the torque control strategy.

[0092] Further, the judging module is specifically used for:

[0093] detecting a target opening degree value corresponding to the accelerator pedal opening degree in real time when the accelerator pedal opening degree is acquired in real time;

[0094] calling a torque mapping parameter table corresponding to the target opening degree value in a preset database when the target opening degree value is acquired in real time, and matching the target torque value according to the torque mapping parameter table.

[0095] Further, the judging module is specifically used for:

[0096] detecting a plurality of parameter thresholds corresponding to the torque mapping parameter table in real time when the torque mapping parameter table is acquired in real time;

[0097] comparing the target opening degree value with each parameter threshold to match the target torque value.

[0098] Further, the judging module is specifically used for:

[0099] comparing the target opening degree value with each parameter threshold in sequence to match a target parameter threshold in real time when a plurality of parameter thresholds are acquired in real time, and setting a torque value corresponding to the target parameter threshold as the target torque value.

[0100] Further, the judging module is specifically used for:

[0101] scanning the torque equation curve in whole to detect a starting point and an ending point of the torque equation curve, and detecting a plurality of inflection points corresponding to the torque equation curve in a range of the starting point and the ending point when the torque equation curve is acquired in real time, so as to generate a torque control strategy according to the plurality of inflection points and complete torque control of the vehicle.

[0102] Further, the computing module is specifically used for:

[0103] When a plurality of the inflection points are acquired in real time, a corresponding target identifier is added to each of the inflection points, each of the inflection points is connected in sequence based on the target identifier, a plurality of corresponding target connection lines are generated, and the torque control strategy is generated according to the change rule of each of the target connection lines, each of the target connection lines is a straight line.

[0104] Further, the electric vehicle torque control system further comprises a prompting module, and the prompting module is specifically used for:

[0105] When a plurality of the target connection lines are acquired in real time, a target slope value corresponding to each of the target connection lines is detected in real time, a target difference value between two adjacent target slope values is calculated in real time based on the target identifier, and a corresponding torque output value is matched according to the size of the target difference value, so as to complete the control of the vehicle according to the torque output value in real time.

[0106] The seventh embodiment of the application provides a computer, which comprises a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the electric vehicle torque control method as described above when executing the computer program.

[0107] The eighth embodiment of the application provides a readable storage medium, which stores a computer program, wherein the program is executed by a processor to implement the electric vehicle torque control method as described above.

[0108] In summary, the electric vehicle torque control method, system, storage medium and device provided in the above embodiments of the application do not cause the torque output by the driving motor to change suddenly, so as to avoid causing the vehicle to shake, and the user experience is improved.

[0109] It should be noted that each of the above modules can be a functional module or a program module, and can be implemented by software or hardware. For the modules implemented by hardware, each of the above modules can be located in the same processor, or each of the above modules can be located in different processors in any combination.

[0110] The logic and / or steps represented in the flowcharts and / or described herein, for example, can be embodied in non-transitory computer-readable media, executed by one or more computing devices, and / or in any other way. The logic and / or steps represented in the flowcharts and / or described herein, for example, can be considered a list of executable instructions for implementing logic functions, and can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor- containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For purposes of this specification, a "computer-readable medium" can be any apparatus that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. The computer-readable medium can be, for example but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium include the following: an electrical connection (electronic) having one or more wires, a portable computer diskette (magnetic), a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or Flash memory), an optical fiber (optical), and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium can even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, for example via an optical scanner, then compiled, interpreted, or otherwise processed, and stored in a computer memory in a form that can be later executed by a computer. In this context, a "computer-readable medium" can be any means that can store the program for use by or in connection with the instruction execution system, apparatus, or device.

[0111] The foregoing description of various embodiments of the application has been presented for the purposes of illustration and description. It is not intended to be exhaustive or to limit the application to the precise form disclosed, and various modifications and variations are possible in light of the above teachings. It is intended that the scope of the application be limited not with this detailed description, but rather by the claims appended hereto.

[0112] It will be appreciated that portions of the present application can be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, multiple steps or methods can be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented in hardware, and in another embodiment, any of the following technologies known in the art, or a combination thereof, can be used: discrete logic circuitry having logic gates for implementing logic functions upon an application of data signals, application specific integrated circuits having appropriate combinational logic gates, programmable gate arrays (PGA), field programmable gate arrays (FPGA), and the like.

[0113] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Also, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in one or more embodiments or examples.

[0114] The above embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the patent scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, several modifications and improvements can be made, which are all within the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. An electric vehicle torque control method, characterized by, The method comprises: real-time detection of the vehicle in the driving state, real-time detection of the accelerator pedal opening degree corresponding to the vehicle, and real-time matching of the target torque value corresponding to the accelerator pedal opening degree; real-time detection of the actual torque value corresponding to the accelerator pedal opening degree, and real-time calculation of the target absolute value between the target torque value and the actual torque value; real-time judgment of whether the target absolute value meets the preset requirement; if it is judged in real time that the target absolute value meets the preset requirement, a corresponding torque equation curve is fitted in real time according to the target torque value and the actual torque value, a corresponding torque control strategy is formulated in real time according to the change rule of the torque equation curve, and torque control of the vehicle is completed according to the torque control strategy.

2. The electric vehicle torque control method of claim 1, wherein: The step of real-time matching of the target torque value corresponding to the accelerator pedal opening degree comprises: when the accelerator pedal opening degree is obtained in real time, the target opening degree value corresponding to the accelerator pedal opening degree is detected in real time; when the target opening degree value is obtained in real time, the corresponding torque mapping parameter table is called out in the preset database, and the target torque value is matched according to the torque mapping parameter table.

3. The electric vehicle torque control method of claim 2, wherein: The step of matching the target torque value according to the torque mapping parameter table comprises: when the torque mapping parameter table is obtained in real time, the parameter threshold values contained in the torque mapping parameter table are detected in real time; the target opening degree value is compared with each parameter threshold value to correspondingly match the target torque value.

4. The electric vehicle torque control method of claim 3, wherein: The step of matching the target torque value according to the torque mapping parameter table comprises: when a plurality of parameter threshold values are obtained in real time, the target opening degree value is compared with each parameter threshold value in turn to correspondingly match the target parameter threshold value, and the torque value corresponding to the target parameter threshold value is correspondingly set as the target torque value.

5. The electric vehicle torque control method of claim 1, wherein: The step of formulating a corresponding torque control strategy according to the change rule of the torque equation curve to complete torque control of the vehicle according to the torque control strategy comprises: when the torque equation curve is obtained in real time, the torque equation curve is scanned in whole to correspondingly detect the starting point and the ending point of the torque equation curve, and a plurality of inflection points contained in the torque equation curve are detected in real time in the range of the starting point and the ending point, so as to generate a corresponding torque control strategy according to a plurality of inflection points and correspondingly complete torque control of the vehicle.

6. The electric vehicle torque control method of claim 5, wherein: The step of generating a corresponding torque control strategy according to a plurality of inflection points and correspondingly completing torque control of the vehicle comprises: when a plurality of inflection points are obtained in real time, a corresponding target identifier is added to each inflection point, and each inflection point is connected in turn based on the target identifier to generate a plurality of corresponding target connection lines, and the torque control strategy is generated according to the change rule of each target connection line, each target connection line being a straight line.

7. The electric vehicle torque control method of claim 6, wherein: The step of generating the torque control strategy according to the change rule of each target connection line comprises: When a plurality of target connection lines are acquired in real time, a target slope value corresponding to each target connection line is detected in real time, a target difference value between two adjacent target slope values is calculated in real time based on the target identifier, and a corresponding torque output value is matched in real time according to the size of the target difference value, so as to complete the control of the vehicle according to the torque output value in real time.

8. An electric vehicle torque control system characterized by, The system comprises: a detection module, configured to detect an accelerator pedal opening degree corresponding to the vehicle in real time when it is detected that the vehicle is in a driving state, and match a target torque value corresponding to the accelerator pedal opening degree in real time; a calculation module, configured to detect an actual torque value corresponding to the accelerator pedal opening degree in real time, and calculate a target absolute value between the target torque value and the actual torque value in real time; a judgment module, configured to judge whether the target absolute value meets a preset requirement in real time; an execution module, configured to fit a torque equation curve corresponding to the target torque value and the actual torque value in real time if it is judged that the target absolute value meets the preset requirement, and formulate a torque control strategy according to the change rule of the torque equation curve in real time, so as to complete the torque control of the vehicle according to the torque control strategy.

9. A readable storage medium, having stored thereon a computer program, characterized in that, The program is executed by the processor to realize the electric vehicle torque control method in any one of claims 1 to 7.

10. A computer comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, characterized in that, The processor executes the computer program to realize the electric vehicle torque control method in any one of claims 1 to 7.

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