CN115723739A - Vehicle torque control method and device, electronic equipment and storage medium - Google Patents
Vehicle torque control method and device, electronic equipment and storage medium Download PDFInfo
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Abstract
The embodiment of the application provides a method and a device for controlling vehicle torque, an electronic device and a storage medium, wherein the method comprises the following steps: acquiring the total required torque of a driver at the current moment, the current speed of the vehicle, the last moment actual torque of a front shaft of the vehicle and the last moment actual torque of a rear shaft of the vehicle; determining torque distribution target values of a front axle and a rear axle of the vehicle according to the total required torque of the driver at the current moment, the current speed of the vehicle, the actual torque of the front axle of the vehicle at the last moment and the actual torque of the rear axle of the vehicle at the last moment; and controlling the torque of the vehicle according to the torque distribution target values of the front axle and the rear axle of the vehicle. By implementing the embodiment, the accurate control of the front axle torque and the rear axle torque can be realized, so that the driving performance and the smoothness of the whole vehicle are improved.
Description
Technical Field
The application relates to the technical field of automobiles, in particular to a method and a device for controlling vehicle torque, electronic equipment and a storage medium.
Background
Torque is a specific moment that causes an object to rotate. The torque of the motor refers to the torque output by the motor from the output end. Under the condition of fixed power, the motor is in inverse proportion to the rotation speed of the motor, the faster the rotation speed is, the smaller the torque is, and the larger the rotation speed is, the larger the torque is, the load capacity of the automobile in a certain range is reflected. The existing torque control methods include the following: determining a target torque change rate according to the difference value between the target required torque and the current torque, and controlling the torque according to the target torque change rate; determining a target torque change rate according to the current vehicle speed and the driver required torque, and controlling the torque according to the target torque change rate; determining a torque gradient according to the current torque of the motor, the torque requested by the motor and the working state of the motor, so as to perform torque filtering, finally obtaining a target torque change rate, and controlling the torque according to the target torque change rate; and carrying out gradient limit value filtering processing on the current required torque according to the torque filtering limit value corresponding to the current driving mode, and then carrying out first-order inertia filtering on the processed torque to obtain the filtered required torque. In the method in the prior art, only the change of the target requirement and the current torque is considered, and the torque transfer change between the front axle and the rear axle is not considered, so that the torque of the front axle and the rear axle cannot be accurately controlled.
Disclosure of Invention
In view of this, an object of the embodiments of the present application is to provide a method and an apparatus for controlling vehicle torque, an electronic device, and a storage medium, which implement accurate control of the torque of the front and rear axles, so as to improve the drivability and smoothness of the entire vehicle.
In a first aspect, an embodiment of the present application provides a method for controlling vehicle torque, including:
acquiring the total required torque of a driver at the current moment, the current speed of the vehicle, the last moment actual torque of a front shaft of the vehicle and the last moment actual torque of a rear shaft of the vehicle;
determining torque distribution target values of a front axle and a rear axle of the vehicle according to the total required torque of the driver at the current moment, the current speed of the vehicle, the actual torque of the front axle of the vehicle at the last moment and the actual torque of the rear axle of the vehicle at the last moment;
and controlling the torque of the vehicle according to the torque distribution target values of the front axle and the rear axle of the vehicle.
In the implementation process, the distribution target value between the front axle and the rear axle of the vehicle is determined according to the total required torque of the driver at the current moment, the current speed of the vehicle, the last moment actual torque of the front axle of the vehicle and the last moment actual torque of the rear axle of the vehicle, and the same or different torques are distributed to the front axle and the rear axle according to the torque distribution target value.
Further, the step of determining the torque distribution target values of the front axle and the rear axle of the vehicle based on the total torque required of the driver at the present time, the present vehicle speed of the vehicle, the last time actual torque of the front axle of the vehicle, and the last time actual torque of the rear axle of the vehicle includes:
acquiring external intervention information;
and determining the torque distribution target values of the front axle and the rear axle of the vehicle according to the external intervention information, the total required torque of the driver at the current moment, the current speed of the vehicle, the last moment actual torque of the front axle of the vehicle and the last moment actual torque of the rear axle of the vehicle.
In the implementation process, the control factor consideration of external intervention information is added, and the torque distribution target value is obtained based on the external intervention information, so that the further accurate distribution of the torque between the front axle and the rear axle can be realized.
Further, the torque includes: torque of the front axle; the step of controlling the torque of the vehicle according to the torque distribution target values of the front axle and the rear axle of the vehicle includes:
acquiring a target torque of a front axle;
acquiring a first difference value of a target torque of the front axle and an actual torque of the front axle at the last moment;
and controlling the torque of the front axle according to the torque distribution target value and the first difference value.
In the implementation described above, the torque required for the current front axle can be determined based on the first difference and the distributed target value.
Further, the torque includes: torque of the rear axle; the step of controlling the torque of the vehicle according to the torque distribution target values of the front axle and the rear axle of the vehicle further includes:
acquiring a target torque of a rear axle;
acquiring a second difference value between the target torque of the rear axle and the actual torque of the rear axle at the previous moment;
and controlling the torque of the rear axle according to the torque distribution target value and the second difference value.
In the above implementation, the torque required for the current front axle can be determined based on the second difference and the distributed target value.
Further, the step of controlling the torque of the front axle according to the torque distribution target value and the first difference value includes:
when the distribution target value is a first preset value and the first difference value is larger than a first threshold value, updating the torque filter slope of the front axle to be a first front axle torque filter slope;
and controlling the torque of the front axle according to the first front axle torque filter slope and the torque distribution target value.
Further, the step of controlling the torque of the front axle according to the torque distribution target value and the first difference value includes:
when the distribution target value is between a second preset value and a third preset value and the first difference value is larger than a fourth preset value, updating the torque filter slope of the front axle to be a second front axle torque filter slope;
and controlling the torque of the front axle according to the second front axle torque filter slope and the torque distribution target value.
Further, the step of controlling the torque of the rear axle according to the torque distribution target value and the second difference value includes:
when the distribution target value is a fifth preset value and the second difference value is larger than a sixth preset value, updating the torque filter slope of the rear axle to be a first rear axle torque filter slope;
and controlling the torque of the rear axle according to the first rear axle torque filter slope and the torque distribution target value.
Further, the step of controlling the torque of the rear axle according to the torque distribution target value and the second difference value includes:
when the distribution target value is between a seventh preset value and an eighth preset value and the second difference value is larger than a ninth preset value, updating the torque filter slope of the rear axle to be a second rear axle torque filter slope;
and controlling the torque of the rear axle according to the second rear axle torque filter slope and the torque distribution target value.
In a second aspect, the present application provides a vehicle torque control apparatus, comprising:
the parameter acquisition module is used for acquiring the total required torque of a driver at the current moment, the current speed of the vehicle, the last moment actual torque of a front shaft of the vehicle and the last moment actual torque of a rear shaft of the vehicle;
a distribution target value obtaining module, configured to determine torque distribution target values of a front axle and a rear axle of the vehicle according to the total required torque of the driver at the current time, the current vehicle speed of the vehicle, the actual torque of the front axle of the vehicle at the last time, and the actual torque of the rear axle of the vehicle at the last time;
and the control module is used for controlling the torque of the vehicle according to the torque distribution target values of the front axle and the rear axle of the vehicle.
In a third aspect, an electronic device provided in an embodiment of the present application includes: memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the method according to any of the first aspect when executing the computer program.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium having instructions stored thereon, which, when executed on a computer, cause the computer to perform the method according to any one of the first aspect.
Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the above-described techniques.
In order to make the aforementioned objects, features and advantages of the present application comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic flow chart diagram illustrating a method for controlling vehicle torque according to an embodiment of the present disclosure;
FIG. 2 is a schematic flow chart illustrating control of torque of the vehicle according to a distributed torque target value according to an embodiment of the present application;
FIG. 3 is another schematic flow chart of controlling the torque of the vehicle according to the distributed torque target value according to the embodiment of the application;
FIG. 4 is a schematic structural diagram of a control device for vehicle torque according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Example 1
Referring to fig. 1, an embodiment of the present application provides a method for controlling vehicle torque, including:
s1: acquiring the total required torque of a driver at the current moment, the current speed of the vehicle, the last moment actual torque of a front shaft of the vehicle and the last moment actual torque of a rear shaft of the vehicle;
s2: determining torque distribution target values of a front axle and a rear axle of the vehicle according to the total required torque of the driver at the current moment, the current speed of the vehicle, the actual torque of the front axle of the vehicle at the last moment and the actual torque of the rear axle of the vehicle at the last moment;
s3: and determining a torque filtering parameter according to the torque target distribution value, and controlling the torque according to the target distribution value and the filtering parameter.
In the implementation process, the distribution target value between the front axle and the rear axle of the vehicle is determined according to the total required torque of the driver at the current moment, the current speed of the vehicle, the last moment actual torque of the front axle of the vehicle and the last moment actual torque of the rear axle of the vehicle, and the same or different torques are distributed to the front axle and the rear axle according to the torque distribution target value.
In a possible embodiment, S2 comprises: acquiring external intervention information; and determining the torque distribution target values of the front axle and the rear axle of the vehicle according to the external intervention information, the total required torque of the driver at the current moment, the current speed of the vehicle, the last moment actual torque of the front axle of the vehicle and the last moment actual torque of the rear axle of the vehicle.
The external intervention information is the restriction intervention of the vehicle on the overall torque output of the vehicle caused by road conditions, weather conditions and the like, and the intervention comprises braking, large damping and the like.
In the above embodiment, the torque distribution target values of the front axle and the rear axle of the vehicle are obtained by looking up a table, data in the table is obtained in advance through experiments, and the data in the table includes energy consumption corresponding to different external intervention information, the total required torque of the driver at the current time, the current vehicle speed of the vehicle, the actual torque of the front axle of the vehicle at the last time, the actual torque of the rear axle of the vehicle at the last time, and the torque distribution target values of the front axle and the rear axle of the vehicle. And inquiring a front axle torque distribution target value and a rear axle torque distribution target value corresponding to the lowest energy consumption when the table is inquired.
In the implementation process, the control factor consideration of external intervention information is added, and the torque distribution target value is obtained based on the external intervention information, so that the further accurate distribution of the torque between the front axle and the rear axle can be realized.
Referring to fig. 2, in one possible embodiment, the torque includes: torque of the front axle; s3 comprises the following steps:
s31: acquiring a target torque of a front axle;
s32: acquiring a first difference value of a target torque of the front axle and an actual torque of the front axle at the last moment;
in the above embodiment, the front axle target torque is the product of the torque distribution target value and the total required torque.
S33: and controlling the torque of the front axle according to the torque distribution target value and the first difference value.
In the implementation described above, the torque required for the current front axle can be determined based on the first difference and the distributed target value.
Referring to fig. 3, in one possible embodiment, the torque includes: torque of the rear axle; s3, further comprising:
s34: acquiring a target torque of a rear axle;
s35: acquiring a second difference value between the target torque of the rear axle and the actual torque of the rear axle at the previous moment;
s36: and controlling the torque of the rear axle according to the torque distribution target value and the second difference value.
In the above implementation, the torque required for the current front axle can be determined based on the second difference and the distributed target value.
In one possible embodiment, S33 includes: when the distribution target value is a first preset value and the first difference value is larger than a first threshold value, updating the torque filter slope of the front axle to be a first front axle torque filter slope; and controlling the torque of the front axle according to the first front axle torque filter slope and the torque distribution target value.
In the above-described embodiment, the torque distribution target value is a front axle torque distribution target value, and the change speed of the torque filter slope determines the change speed of the torque per unit time, and therefore, the torque is controlled to reach the front axle torque distribution target value according to the first front axle torque filter slope.
In one possible implementation, S32 further includes: when the distribution target value is between a second preset value and a third preset value and the first difference value is larger than a fourth preset value, updating the torque filter slope of the front axle to be a second front axle torque filter slope; and controlling the torque of the front axle according to the second front axle torque filter slope and the torque distribution target value.
In the above-described embodiment, the torque distribution target value is a front axle torque distribution target value, and the speed of change of the torque filter slope determines the speed of change of the torque per unit time, and therefore, the torque is controlled to reach the front axle torque distribution target value according to the second front axle torque filter slope.
In one possible implementation, S34 includes: when the distribution target value is a fifth preset value and the second difference value is larger than a sixth preset value, updating the torque filter slope of the rear axle to be a first rear axle torque filter slope; and controlling the torque of the rear axle according to the first rear axle torque filter slope and the torque distribution target value.
In the above-described embodiment, the torque distribution target value is the rear axle torque distribution target value, and the change speed of the torque filter slope determines the change speed of the torque per unit time, and therefore, the torque is controlled to reach the rear axle torque distribution target value according to the first rear axle torque filter slope.
In one possible implementation, S34 includes: when the distribution target value is between a seventh preset value and an eighth preset value and the second difference value is larger than a ninth preset value, updating the torque filter slope of the rear axle to be a second rear axle torque filter slope; and controlling the torque of the rear axle according to the second rear axle torque filter slope and the torque distribution target value.
In the above-described embodiment, the torque distribution target value is the rear axle torque distribution target value, and the change speed of the torque filter slope determines the change speed of the torque per unit time, and therefore, the torque is controlled to reach the rear axle torque distribution target value according to the second rear axle torque filter slope.
In the above embodiment, the first preset value is 100%, the first threshold value is 8% of the maximum torque of the front axle motor, the second preset value is 99%, the third preset value is 1%, the fourth preset value is 5% of the maximum torque of the front axle motor, the fifth preset value is 0%, the sixth preset value is 8% of the maximum torque of the rear axle motor, the seventh preset value is 99%, the eighth preset value is 1%, and the ninth preset value is 5% of the maximum torque of the rear axle motor.
Example 2
Referring to fig. 4, an embodiment of the present application provides a control apparatus for vehicle torque, including:
the parameter obtaining module 1 is configured to obtain a total required torque of a driver at a current time, a current vehicle speed of the vehicle, an actual torque of a front axle of the vehicle at a previous time, and an actual torque of a rear axle of the vehicle at a previous time;
a distribution target value obtaining module 2, configured to determine torque distribution target values of a front axle and a rear axle of the vehicle according to the total required torque of the driver at the current time, the current vehicle speed of the vehicle, the actual torque of the front axle of the vehicle at the last time, and the actual torque of the rear axle of the vehicle at the last time;
and the control module 3 is used for controlling the torque of the vehicle according to the torque distribution target values of the front axle and the rear axle of the vehicle.
In a possible embodiment, the assigned target value obtaining module 2 is further configured to obtain external intervention information;
and determining the torque distribution target values of the front axle and the rear axle of the vehicle according to the external intervention information, the total required torque of the driver at the current moment, the current speed of the vehicle, the last moment actual torque of the front axle of the vehicle and the last moment actual torque of the rear axle of the vehicle.
In one possible embodiment, the torque comprises: torque of the front axle; the control module 3 is also used for obtaining the target torque of the front axle; acquiring a first difference value of a target torque of the front axle and an actual torque of the front axle at the last moment; and controlling the torque of the front axle according to the torque distribution target value and the first difference value.
In one possible embodiment, the torque comprises: torque of the rear axle; the control module 3 is also used for acquiring the target torque of the rear axle; acquiring a second difference value between the target torque of the rear axle and the actual torque of the rear axle at the previous moment; and controlling the torque of the rear axle according to the torque distribution target value and the second difference value.
In a possible embodiment, the control module 3 is further configured to update the torque filter slope of the front axle to a first front axle torque filter slope when the allocation target value is a first preset value and the first difference value is greater than a first threshold value; and controlling the torque of the front axle according to the first front axle torque filter slope and the torque distribution target value.
In a possible embodiment, the control module 3 is further configured to update the torque filter slope of the front axle to a second front axle torque filter slope when the allocation target value is between a second preset value and a third preset value, and the first difference is greater than a fourth preset value; and controlling the torque of the front axle according to the second front axle torque filter slope and the torque distribution target value.
In a possible embodiment, the control module 3 is further configured to update the torque filter slope of the rear axle to be a first rear axle torque filter slope when the allocation target value is a fifth preset value and the second difference value is greater than a sixth preset value; and controlling the torque of the rear axle according to the first rear axle torque filter slope and the torque distribution target value.
In a possible embodiment, the control module 3 is further configured to update the torque filter slope of the rear axle to a second rear axle torque filter slope when the allocation target value is between a seventh preset value and an eighth preset value, and the second difference is greater than a ninth preset value; and controlling the torque of the rear axle according to the second rear axle torque filter slope and the torque distribution target value.
Fig. 5 shows a block diagram of an electronic device according to an embodiment of the present disclosure, where fig. 5 is a block diagram of the electronic device. The electronic device may comprise a processor 51, a communication interface 52, a memory 53 and at least one communication bus 54. Wherein the communication bus 34 is used for realizing direct connection communication of these components. In this embodiment, the communication interface 52 of the electronic device is used for performing signaling or data communication with other node devices. The processor 51 may be an integrated circuit chip having signal processing capabilities.
The Processor 51 may be a general-purpose Processor including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor 51 may be any conventional processor or the like.
The Memory 53 may be, but is not limited to, a Random Access Memory (RAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Read-Only Memory (EPROM), an electrically Erasable Read-Only Memory (EEPROM), and the like. The memory 53 has stored therein computer-readable instructions that, when executed by the processor 51, the electronic device may perform the various steps involved in the above-described method embodiments.
Optionally, the electronic device may further include a memory controller, an input output unit.
The memory 53, the memory controller, the processor 51, the peripheral interface, and the input/output unit are electrically connected to each other directly or indirectly, so as to realize data transmission or interaction. For example, these components may be electrically connected to each other via one or more communication buses 54. The processor 51 is adapted to execute executable modules stored in the memory 53, such as software functional modules or computer programs comprised by the electronic device.
The input and output unit is used for providing a task for a user and starting an optional time interval or preset execution time for the task creation so as to realize the interaction between the user and the server. The input/output unit may be, but is not limited to, a mouse, a keyboard, and the like.
It will be appreciated that the configuration shown in fig. 5 is merely illustrative and that the electronic device may include more or fewer components than shown in fig. 5 or have a different configuration than shown in fig. 5. The components shown in fig. 5 may be implemented in hardware, software, or a combination thereof.
The embodiments of the present application further provide a computer-readable storage medium, where instructions are stored on the computer-readable storage medium, and when the instructions are run on a computer, a computer program is executed by a processor to implement the method of the method embodiments, and details are not repeated here to avoid repetition.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist alone, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.
Claims (11)
1. A control method of a vehicle torque, characterized by comprising:
acquiring the total required torque of a driver at the current moment, the current speed of the vehicle, the last moment actual torque of a front shaft of the vehicle and the last moment actual torque of a rear shaft of the vehicle;
determining torque distribution target values of a front axle and a rear axle of the vehicle according to the total required torque of the driver at the current moment, the current speed of the vehicle, the actual torque of the front axle of the vehicle at the last moment and the actual torque of the rear axle of the vehicle at the last moment;
and controlling the torque of the vehicle according to the torque distribution target values of the front axle and the rear axle of the vehicle.
2. The vehicle torque control method according to claim 1, wherein the step of determining the torque distribution target values of the front axle and the rear axle of the vehicle based on the total torque required of the driver at the present time, the present vehicle speed of the vehicle, the last-time actual torque of the front axle of the vehicle, and the last-time actual torque of the rear axle of the vehicle includes:
acquiring external intervention information;
and determining the torque distribution target values of the front axle and the rear axle of the vehicle according to the external intervention information, the total required torque of the driver at the current moment, the current speed of the vehicle, the last moment actual torque of the front axle of the vehicle and the last moment actual torque of the rear axle of the vehicle.
3. The control method of vehicle torque according to claim 2, characterized in that the torque includes: the torque of the front axle; the step of controlling the torque of the vehicle according to the torque distribution target values of the front axle and the rear axle of the vehicle includes:
acquiring a target torque of a front axle;
acquiring a first difference value of a target torque of the front axle and an actual torque of the front axle at the last moment;
and controlling the torque of the front axle according to the torque distribution target value and the first difference value.
4. The control method of vehicle torque according to claim 1, characterized in that the torque includes: torque of the rear axle; the step of controlling the torque of the vehicle according to the torque distribution target values of the front axle and the rear axle of the vehicle further includes:
acquiring a target torque of a rear axle;
acquiring a second difference value between the target torque of the rear axle and the actual torque of the rear axle at the last moment;
and controlling the torque of the rear axle according to the torque distribution target value and the second difference value.
5. The control method of vehicle torque according to claim 3,
the step of controlling the torque of the front axle according to the torque distribution target value and the first difference value includes:
when the distribution target value is a first preset value and the first difference value is larger than a first threshold value, updating the torque filter slope of the front axle to be a first front axle torque filter slope;
and controlling the torque of the front axle according to the first front axle torque filter slope and the torque distribution target value.
6. The control method of vehicle torque according to claim 3, wherein the step of controlling the torque of the front axle in accordance with the torque distribution target value and the first differential value includes:
when the distribution target value is between a second preset value and a third preset value and the first difference value is larger than a fourth preset value, updating the torque filter slope of the front axle to be a second front axle torque filter slope;
and controlling the torque of the front axle according to the second front axle torque filter slope and the torque distribution target value.
7. The vehicle torque control method according to claim 4, wherein the step of controlling the torque of the rear axle in accordance with the torque distribution target value and the second difference value includes:
when the distribution target value is a fifth preset value and the second difference value is larger than a sixth preset value, updating the torque filter slope of the rear axle to be a first rear axle torque filter slope;
and controlling the torque of the rear axle according to the first rear axle torque filter slope and the torque distribution target value.
8. The vehicle torque control method according to claim 4, wherein the step of controlling the torque of the rear axle in accordance with the torque distribution target value and the second difference value includes:
when the distribution target value is between a seventh preset value and an eighth preset value and the second difference value is larger than a ninth preset value, updating the torque filter slope of the rear axle to be a second rear axle torque filter slope;
and controlling the torque of the rear axle according to the second rear axle torque filter slope and the torque distribution target value.
9. A control device of a vehicle torque, characterized by comprising:
the parameter acquisition module is used for acquiring the total required torque of a driver at the current moment, the current speed of the vehicle, the last moment actual torque of a front shaft of the vehicle and the last moment actual torque of a rear shaft of the vehicle;
a distribution target value obtaining module, configured to determine torque distribution target values of a front axle and a rear axle of the vehicle according to the total required torque of the driver at the current time, the current vehicle speed of the vehicle, the actual torque of the front axle of the vehicle at the last time, and the actual torque of the rear axle of the vehicle at the last time;
and the control module is used for controlling the torque of the vehicle according to the torque distribution target values of the front axle and the rear axle of the vehicle.
10. An electronic device, comprising: memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the method according to any of claims 1-8 when executing the computer program.
11. A computer-readable storage medium having stored thereon instructions which, when executed on a computer, cause the computer to perform the method of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211531052.2A CN115723739A (en) | 2022-12-01 | 2022-12-01 | Vehicle torque control method and device, electronic equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211531052.2A CN115723739A (en) | 2022-12-01 | 2022-12-01 | Vehicle torque control method and device, electronic equipment and storage medium |
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| Publication Number | Publication Date |
|---|---|
| CN115723739A true CN115723739A (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211531052.2A Pending CN115723739A (en) | 2022-12-01 | 2022-12-01 | Vehicle torque control method and device, electronic equipment and storage medium |
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| Country | Link |
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| CN (1) | CN115723739A (en) |
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