阅读说明：本技术 一种空气压缩机的扭矩修正方法及相关装置 (Torque correction method and related device for air compressor ) 是由 侯健鹏 刘加超 毕世高 于 2020-06-30 设计创作，主要内容包括：本申请公开了一种空气压缩机的扭矩修正方法及相关装置,其中,空气压缩机的扭矩修正方法除了在根据发动机转速获取了空气压缩机的基础标定扭矩之外,还根据发动机的启动时间,获取了与启动时间对应的修正系数,并根据发动机转速获取了空气压缩机的修正扭矩,最后利用空气压缩机的基础标定扭矩、空气压缩机的修正扭矩和修正系数,根据第一预设公式,计算获得空气压缩机的目标扭矩,使得最终获得空气压缩机的目标扭矩更加接近于空气压缩机的实际扭矩,避免机动车辆由于长时间停放导致变速箱ECU无法准确获取空气压缩机的输出扭矩的情况,解决了由于发动机的空气压缩机的扭矩获取不准确,而导致变速箱对发动机的输出扭矩判断不准的问题。(The application discloses a torque correction method of an air compressor and a related device, wherein the torque correction method of the air compressor obtains a basic calibration torque of the air compressor according to the rotating speed of an engine, also obtains a correction coefficient corresponding to the starting time according to the starting time of the engine, obtains the correction torque of the air compressor according to the rotating speed of the engine, finally obtains a target torque of the air compressor by utilizing the basic calibration torque of the air compressor, the correction torque of the air compressor and the correction coefficient and calculating according to a first preset formula, so that the target torque of the air compressor is finally obtained and is closer to the actual torque of the air compressor, the condition that an ECU (electronic control unit) of a gearbox cannot accurately obtain the output torque of the air compressor due to long-time parking of a motor vehicle is avoided, and the problem that the torque of the air compressor of the engine is obtained inaccurately is solved, and the problem that the output torque of the engine is not accurately judged by the gearbox is caused.)

1. A torque correction method of an air compressor for correcting a torque of an air compressor of a motor vehicle, the motor vehicle further including an engine and a clutch, the torque correction method of the air compressor comprising:

acquiring the rotating speed of the engine after the engine is started;

acquiring a correction coefficient corresponding to the starting time according to the starting time of the engine, wherein the correction coefficient is inversely related to the starting time;

inquiring a first corresponding relation according to the rotating speed of the engine to obtain a basic calibration torque of the air compressor; the first corresponding relationship comprises a corresponding relationship between the engine speed and a basic calibration torque of the air compressor;

inquiring a second corresponding relation according to the rotating speed of the engine so as to obtain the correction torque of the air compressor; the second correspondence relationship includes a correspondence relationship of the engine rotation speed and a correction torque of the air compressor;

calculating and obtaining a target torque of the air compressor according to a first preset formula by using a basic calibration torque of the air compressor, a correction torque of the air compressor and the correction coefficient;

the first preset formula includes: t0 ═ T1+ T2 × η; wherein T0 represents a target torque of the air compressor, T1 represents a base calibration torque of the air compressor, T2 represents a correction torque of the air compressor, and η represents the correction coefficient.

2. The method for correcting the torque of the air compressor according to claim 1, wherein after calculating the target torque of the air compressor according to a first preset formula by using the basic calibration torque of the air compressor, the correction torque of the air compressor and the correction coefficient, the method further comprises:

acquiring the torque of the clutch end;

and judging whether the torque of the clutch end is greater than or equal to a preset torque threshold value, if so, returning to the step of obtaining the target torque of the air compressor by utilizing the basic calibration torque of the air compressor, the correction torque of the air compressor and the correction coefficient, and calculating according to a first preset formula, otherwise, setting the correction coefficient to zero, and returning to the step of obtaining the target torque of the air compressor by utilizing the basic calibration torque of the air compressor, the correction torque of the air compressor and the correction coefficient and calculating according to the first preset formula.

3. The torque correction method of an air compressor according to claim 2, wherein the acquiring the clutch end torque includes:

acquiring torque in the engine according to the rotating speed of the engine;

calculating the torque of the clutch end according to a second preset formula by using the torque in the engine and the correction torque of the air compressor;

the second preset formula includes: t3 ═ T4-T0-T5; wherein T3 represents the clutch end torque, T4 represents the torque within the engine, and T5 represents the sum of the friction torque and the torque of other accessories of the motor vehicle.

4. The torque correction method of an air compressor according to claim 1, wherein said obtaining a correction coefficient corresponding to a start time of the engine according to the start time includes:

and inquiring a third corresponding relation according to the starting time of the engine to obtain the correction coefficient, wherein the third corresponding relation comprises the corresponding relation between the starting time of the engine and the correction coefficient.

5. An air compressor torque correction system for correcting torque of an air compressor of a motor vehicle, the motor vehicle further including an engine and a clutch, the air compressor torque correction system comprising:

the rotating speed obtaining module is used for obtaining the rotating speed of the engine after the engine is started;

the coefficient acquisition module is used for acquiring a correction coefficient corresponding to the starting time according to the starting time of the engine, and the correction coefficient is inversely related to the starting time;

the first query module is used for querying a first corresponding relation according to the rotating speed of the engine so as to obtain a basic calibration torque of the air compressor; the first corresponding relationship comprises a corresponding relationship between the engine speed and a basic calibration torque of the air compressor;

the second query module is used for querying a second corresponding relation according to the rotating speed of the engine so as to obtain the correction torque of the air compressor; the second correspondence relationship includes a correspondence relationship of the engine rotation speed and a correction torque of the air compressor;

the torque correction module is used for calculating and obtaining a target torque of the air compressor according to a first preset formula by utilizing a basic calibration torque of the air compressor, a correction torque of the air compressor and the correction coefficient;

the first preset formula includes: t0 ═ T1+ T2 × η; wherein T0 represents a target torque of the air compressor, T1 represents a base calibration torque of the air compressor, T2 represents a correction torque of the air compressor, and η represents the correction coefficient.

6. The air compressor torque correction system according to claim 5, further comprising:

a clutch torque acquisition module for acquiring the clutch end torque;

and the state judgment module is used for judging whether the torque of the clutch end is greater than or equal to a preset torque threshold value, if so, returning to trigger the torque correction module, and if not, setting the correction coefficient to zero and returning to trigger the torque correction module.

7. The torque correction system of an air compressor according to claim 6, wherein the specific process of the clutch torque obtaining module obtaining the clutch end torque includes:

acquiring torque in the engine according to the rotating speed of the engine;

calculating the torque of the clutch end according to a second preset formula by using the torque in the engine and the correction torque of the air compressor;

the second preset formula includes: t3 ═ T4-T0-T5; wherein T3 represents the clutch end torque, T4 represents the torque within the engine, and T5 represents the sum of the friction torque and the torque of other accessories of the motor vehicle.

8. The torque correction system for an air compressor according to claim 5, wherein the process of the coefficient acquisition module acquiring the correction coefficient corresponding to the start time based on the start time of the engine specifically includes:

and inquiring a third corresponding relation according to the starting time of the engine to obtain the correction coefficient, wherein the third corresponding relation comprises the corresponding relation between the starting time of the engine and the correction coefficient.

9. A torque correction system for an air compressor comprising a memory having program code stored therein and a processor for executing the program code to perform the steps of the torque correction method for an air compressor according to any one of claims 1-4.

10. A storage medium, characterized in that the storage medium has stored therein a program code for implementing the steps of the torque correction method of an air compressor according to any one of claims 1 to 4 when executed.

Technical Field

The present disclosure relates to the field of vehicle engineering technologies, and more particularly, to a torque correction method for an air compressor and a related apparatus.

Background

In the actual use of the whole vehicle, if the engine is parked for a long time, due to the air leakage of each plug connector or air bottle of the brake air path system, after the engine is started, the early-stage working load of the air compressor is large, after air is pumped for a period of time, when the air pressure of the air bottle is sufficient, the air compressor can be correspondingly unloaded, the corresponding torque can be less and more, and the actual torque condition of the air compressor cannot be accurately reflected by the conventional method for calibrating the fixed torque of the air compressor.

In a finished automobile matched with an AMT (Automated Mechanical Transmission) gearbox, starting and gear shifting of the finished automobile are completely controlled by the gearbox, the gearbox calculates output torque of an engine according to parameters such as internal torque, friction torque, accessory torque and the like sent by an ECU (Electronic control unit), and when the torque of an air compressor of the engine is inaccurate, the gearbox does not judge the output torque of the engine accurately, so that starting and gear shifting of the finished automobile can not be well controlled, and driving feeling of the finished automobile is influenced.

Disclosure of Invention

In order to solve the technical problem, the application provides a torque correction method of an air compressor and a related device, so as to solve the problem that the torque of the air compressor of an engine is not accurately acquired, so that the output torque of the engine is not accurately judged by a gearbox.

In order to achieve the technical purpose, the embodiment of the application provides the following technical scheme:

a torque correction method of an air compressor for correcting a torque of an air compressor of a motor vehicle, the motor vehicle further including an engine and a clutch, the torque correction method of the air compressor comprising:

acquiring the rotating speed of the engine after the engine is started;

acquiring a correction coefficient corresponding to the starting time according to the starting time of the engine, wherein the correction coefficient is inversely related to the starting time;

inquiring a first corresponding relation according to the rotating speed of the engine to obtain a basic calibration torque of the air compressor; the first corresponding relationship comprises a corresponding relationship between the engine speed and a basic calibration torque of the air compressor;

inquiring a second corresponding relation according to the rotating speed of the engine so as to obtain the correction torque of the air compressor; the second correspondence relationship includes a correspondence relationship of the engine rotation speed and a correction torque of the air compressor;

calculating and obtaining a target torque of the air compressor according to a first preset formula by using a basic calibration torque of the air compressor, a correction torque of the air compressor and the correction coefficient;

the first preset formula includes: t0 ═ T1+ T2 × η; wherein T0 represents a target torque of the air compressor, T1 represents a base calibration torque of the air compressor, T2 represents a correction torque of the air compressor, and η represents the correction coefficient.

Optionally, after the target torque of the air compressor is obtained by calculating according to a first preset formula by using the basic calibration torque of the air compressor, the correction torque of the air compressor, and the correction coefficient, the method further includes:

acquiring the torque of the clutch end;

and judging whether the torque of the clutch end is greater than or equal to a preset torque threshold value, if so, returning to the step of obtaining the target torque of the air compressor by utilizing the basic calibration torque of the air compressor, the correction torque of the air compressor and the correction coefficient, and calculating according to a first preset formula, otherwise, setting the correction coefficient to zero, and returning to the step of obtaining the target torque of the air compressor by utilizing the basic calibration torque of the air compressor, the correction torque of the air compressor and the correction coefficient and calculating according to the first preset formula.

Optionally, the obtaining the clutch end torque includes:

acquiring torque in the engine according to the rotating speed of the engine;

calculating the torque of the clutch end according to a second preset formula by using the torque in the engine and the correction torque of the air compressor;

the second preset formula includes: t3 ═ T4-T0-T5; wherein T3 represents the clutch end torque, T4 represents the torque within the engine, and T5 represents the sum of the friction torque and the torque of other accessories of the motor vehicle.

Optionally, the obtaining a correction coefficient corresponding to the starting time according to the starting time of the engine includes:

and inquiring a third corresponding relation according to the starting time of the engine to obtain the correction coefficient, wherein the third corresponding relation comprises the corresponding relation between the starting time of the engine and the correction coefficient.

An air compressor torque correction system for correcting torque of an air compressor of a motor vehicle, the motor vehicle further including an engine and a clutch, the air compressor torque correction system comprising:

the rotating speed obtaining module is used for obtaining the rotating speed of the engine after the engine is started;

the coefficient acquisition module is used for acquiring a correction coefficient corresponding to the starting time according to the starting time of the engine, and the correction coefficient is inversely related to the starting time;

the first query module is used for querying a first corresponding relation according to the rotating speed of the engine so as to obtain a basic calibration torque of the air compressor; the first corresponding relationship comprises a corresponding relationship between the engine speed and a basic calibration torque of the air compressor;

the second query module is used for querying a second corresponding relation according to the rotating speed of the engine so as to obtain the correction torque of the air compressor; the second correspondence relationship includes a correspondence relationship of the engine rotation speed and a correction torque of the air compressor;

the torque correction module is used for calculating and obtaining a target torque of the air compressor according to a first preset formula by utilizing a basic calibration torque of the air compressor, a correction torque of the air compressor and the correction coefficient;

the first preset formula includes: t0 ═ T1+ T2 × η; wherein T0 represents a target torque of the air compressor, T1 represents a base calibration torque of the air compressor, T2 represents a correction torque of the air compressor, and η represents the correction coefficient.

Optionally, the method further includes:

a clutch torque acquisition module for acquiring the clutch end torque;

and the state judgment module is used for judging whether the torque of the clutch end is greater than or equal to a preset torque threshold value, if so, returning to trigger the torque correction module, and if not, setting the correction coefficient to zero and returning to trigger the torque correction module.

Optionally, the specific process of acquiring the clutch end torque by the clutch torque acquisition module includes:

acquiring torque in the engine according to the rotating speed of the engine;

calculating the torque of the clutch end according to a second preset formula by using the torque in the engine and the correction torque of the air compressor;

the second preset formula includes: t3 ═ T4-T0-T5; wherein T3 represents the clutch end torque, T4 represents the torque within the engine, and T5 represents the sum of the friction torque and the torque of other accessories of the motor vehicle.

Optionally, the process of acquiring, by the coefficient acquisition module, the correction coefficient corresponding to the starting time according to the starting time of the engine specifically includes:

and inquiring a third corresponding relation according to the starting time of the engine to obtain the correction coefficient, wherein the third corresponding relation comprises the corresponding relation between the starting time of the engine and the correction coefficient.

A torque correction system for an air compressor comprising a memory having program code stored therein and a processor for executing the program code to perform the steps of any of the above described torque correction methods for an air compressor.

A storage medium having stored therein program code for implementing the steps of the torque correction method of an air compressor according to any one of the above.

It can be seen from the foregoing technical solutions that the present application provides a torque correction method for an air compressor and a related apparatus, where the torque correction method for the air compressor obtains a basic calibration torque of the air compressor according to an engine speed, obtains a correction coefficient corresponding to a start time according to the start time of the engine, obtains a correction torque of the air compressor according to the engine speed, and finally obtains a target torque of the air compressor by calculating according to a first preset formula by using the basic calibration torque of the air compressor, the correction torque of the air compressor, and the correction coefficient, so that the target torque of the air compressor is finally obtained and is closer to an actual torque of the air compressor, thereby avoiding a situation that an ECU of a transmission cannot accurately obtain an output torque of the air compressor due to long-time parking of a motor vehicle, the problem of because the moment of torsion of the air compressor of engine obtains inaccurately, and the gearbox is inaccurate to the output torque judgement of engine is solved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic flow chart illustrating a method for torque correction of an air compressor according to an embodiment of the present application;

FIG. 2 is a schematic flow chart illustrating a method for torque correction of an air compressor according to another embodiment of the present application;

FIG. 3 is a schematic flow chart illustrating a torque correction method for an air compressor according to yet another embodiment of the present application;

fig. 4 is a schematic flowchart of a torque correction method for an air compressor according to still another embodiment of the present application.

Detailed Description

As described in the background art, in the prior art, when a motor vehicle is started after being placed for a long time, due to air leakage of each plug connector or each air bottle of a brake air path system, after an engine is started, a workload of an air compressor in an early stage is large, if a torque of the air compressor is obtained only according to an engine rotation speed, a situation that an obtained torque of the air compressor is greatly different from an actual torque occurs, and a situation that an engine output torque obtained by calculation according to the obtained torque of the air compressor and the engine is greatly different from an actual value occurs, in this situation, a gearbox performs gear shifting or starting control according to the engine output torque with a large actual error, so that the problems that the motor vehicle runs and the like are easily caused, and negative influences are brought to user experience.

In view of the above, an embodiment of the present application provides a torque correction method for an air compressor, which is used for correcting a torque of the air compressor of a motor vehicle, wherein the motor vehicle further includes an engine and a clutch, and the torque correction method for the air compressor includes:

acquiring the rotating speed of the engine after the engine is started;

acquiring a correction coefficient corresponding to the starting time according to the starting time of the engine, wherein the correction coefficient is inversely related to the starting time;

inquiring a first corresponding relation according to the rotating speed of the engine to obtain a basic calibration torque of the air compressor; the first corresponding relationship comprises a corresponding relationship between the engine speed and a basic calibration torque of the air compressor;

inquiring a second corresponding relation according to the rotating speed of the engine so as to obtain the correction torque of the air compressor; the second correspondence relationship includes a correspondence relationship of the engine rotation speed and a correction torque of the air compressor;

calculating and obtaining a target torque of the air compressor according to a first preset formula by using a basic calibration torque of the air compressor, a correction torque of the air compressor and the correction coefficient;

the first preset formula includes: t0 ═ T1+ T2 × η; wherein T0 represents a target torque of the air compressor, T1 represents a base calibration torque of the air compressor, T2 represents a correction torque of the air compressor, and η represents the correction coefficient.

The torque correction method of the air compressor obtains a correction coefficient corresponding to the starting time according to the starting time of the engine besides obtaining a basic calibration torque of the air compressor according to the rotating speed of the engine, and obtaining the correction torque of the air compressor according to the rotating speed of the engine, finally utilizing the basic calibration torque of the air compressor, the correction torque of the air compressor and the correction coefficient, according to a first preset formula, calculating and obtaining the target torque of the air compressor, so that the finally obtained target torque of the air compressor is closer to the actual torque of the air compressor, the condition that the output torque of the air compressor cannot be accurately obtained by an ECU of a gearbox due to long-time parking of a motor vehicle is avoided, the problem of because the moment of torsion of the air compressor of engine obtains inaccurately, and the gearbox is inaccurate to the output torque judgement of engine is solved.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a torque correction method of an air compressor, as shown in fig. 1, for correcting the torque of the air compressor of a motor vehicle, wherein the motor vehicle further comprises an engine and a clutch, and the torque correction method of the air compressor comprises the following steps:

s101: acquiring the rotating speed of the engine after the engine is started;

s102: acquiring a correction coefficient corresponding to the starting time according to the starting time of the engine, wherein the correction coefficient is inversely related to the starting time;

s103: inquiring a first corresponding relation according to the rotating speed of the engine to obtain a basic calibration torque of the air compressor; the first corresponding relationship comprises a corresponding relationship between the engine speed and a basic calibration torque of the air compressor;

s104: inquiring a second corresponding relation according to the rotating speed of the engine so as to obtain the correction torque of the air compressor; the second correspondence relationship includes a correspondence relationship of the engine rotation speed and a correction torque of the air compressor;

s105: calculating and obtaining a target torque of the air compressor according to a first preset formula by using a basic calibration torque of the air compressor, a correction torque of the air compressor and the correction coefficient;

the first preset formula includes: t0 ═ T1+ T2 × η; wherein T0 represents a target torque of the air compressor, T1 represents a base calibration torque of the air compressor, T2 represents a correction torque of the air compressor, and η represents the correction coefficient.

In the present embodiment, the start time of the engine is a duration of the engine from the start time of the present start. The negative correlation between the correction coefficient and the starting time means that the correction coefficient is reduced along with the increase of the starting time, and when the starting time reaches a certain value, the correction coefficient is reset to zero, at the moment, the air pressure of the air bottle is enough after the air is pumped for a certain time, the air compressor is in a normal working state, and at the moment, the correction coefficient can be reset to zero without correcting the final target torque by utilizing the correction coefficient.

It should be noted that step S102 is executed once at regular intervals to update the correction coefficient, and the correction coefficient in step S105 is updated synchronously with the correction coefficient in step S102.

On the basis of the foregoing embodiments, in an embodiment of the present application, as shown in fig. 2, after calculating and obtaining the target torque of the air compressor according to a first preset formula by using the base calibration torque of the air compressor, the correction torque of the air compressor, and the correction coefficient, the method further includes:

s106: acquiring the torque of the clutch end;

s107: and judging whether the torque of the clutch end is greater than or equal to a preset torque threshold value, if so, returning to the step of obtaining the target torque of the air compressor by utilizing the basic calibration torque of the air compressor, the correction torque of the air compressor and the correction coefficient, and calculating according to a first preset formula, otherwise, setting the correction coefficient to zero, and returning to the step of obtaining the target torque of the air compressor by utilizing the basic calibration torque of the air compressor, the correction torque of the air compressor and the correction coefficient and calculating according to the first preset formula.

In this embodiment, by adding step S106 and step S107, a determination is made as to whether the engine of the motor vehicle is restarted after being parked for a long time, specifically, when it is determined that the clutch end torque is greater than or equal to the preset torque threshold, it is determined that the engine is restarted after being parked for a long time, at this time, the load of the air compressor is large, and correction is required, and the process returns to step S105 for torque correction. When the torque of the clutch end is judged to be smaller than the preset torque threshold value, the engine is determined not to be parked for a long time, the load of the air compressor is small at the moment, the actual target torque of the air compressor is close to the basic calibration torque of the air compressor obtained according to the rotating speed of the engine, and target torque correction is not needed, so that the correction coefficient can be set to zero, and negative effects possibly caused by target torque correction when the engine is not parked for a long time are avoided.

A description will be given below of possible implementations of the respective steps of the torque correction method of the air compressor provided in the embodiment of the present application.

For step S106, referring to fig. 3, the acquiring the clutch end torque includes:

s1061: acquiring torque in the engine according to the rotating speed of the engine;

s1062: calculating the torque of the clutch end according to a second preset formula by using the torque in the engine and the correction torque of the air compressor;

the second preset formula includes: t3 ═ T4-T0-T5; wherein T3 represents the clutch end torque, T4 represents the torque within the engine, and T5 represents the sum of the friction torque and the torque of other accessories of the motor vehicle.

With reference to fig. 4 for step S102, the obtaining a correction factor corresponding to a starting time of the engine according to the starting time includes:

s1021: and inquiring a third corresponding relation according to the starting time of the engine to obtain the correction coefficient, wherein the third corresponding relation comprises the corresponding relation between the starting time of the engine and the correction coefficient.

The third corresponding relationship may be obtained by a calibration in advance.

The torque correction system of the air compressor provided by the embodiment of the present application is described below, and the torque correction system of the air compressor described below may be referred to in correspondence with the torque correction method of the air compressor described above.

Accordingly, embodiments of the present application provide a torque correction system for an air compressor, for correcting a torque of the air compressor of a motor vehicle, the motor vehicle further including an engine and a clutch, the torque correction system for the air compressor comprising:

the rotating speed obtaining module is used for obtaining the rotating speed of the engine after the engine is started;

the coefficient acquisition module is used for acquiring a correction coefficient corresponding to the starting time according to the starting time of the engine, and the correction coefficient is inversely related to the starting time;

the first query module is used for querying a first corresponding relation according to the rotating speed of the engine so as to obtain a basic calibration torque of the air compressor; the first corresponding relationship comprises a corresponding relationship between the engine speed and a basic calibration torque of the air compressor;

the second query module is used for querying a second corresponding relation according to the rotating speed of the engine so as to obtain the correction torque of the air compressor; the second correspondence relationship includes a correspondence relationship of the engine rotation speed and a correction torque of the air compressor;

the torque correction module is used for calculating and obtaining a target torque of the air compressor according to a first preset formula by utilizing a basic calibration torque of the air compressor, a correction torque of the air compressor and the correction coefficient;

the first preset formula includes: t0 ═ T1+ T2 × η; wherein T0 represents a target torque of the air compressor, T1 represents a base calibration torque of the air compressor, T2 represents a correction torque of the air compressor, and η represents the correction coefficient.

Optionally, the method further includes:

a clutch torque acquisition module for acquiring the clutch end torque;

and the state judgment module is used for judging whether the torque of the clutch end is greater than or equal to a preset torque threshold value, if so, returning to trigger the torque correction module, and if not, setting the correction coefficient to zero and returning to trigger the torque correction module.

Optionally, the specific process of acquiring the clutch end torque by the clutch torque acquisition module includes:

acquiring torque in the engine according to the rotating speed of the engine;

calculating the torque of the clutch end according to a second preset formula by using the torque in the engine and the correction torque of the air compressor;

the second preset formula includes: t3 ═ T4-T0-T5; wherein T3 represents the clutch end torque, T4 represents the torque within the engine, and T5 represents the sum of the friction torque and the torque of other accessories of the motor vehicle.

Optionally, the process of acquiring, by the coefficient acquisition module, the correction coefficient corresponding to the starting time according to the starting time of the engine specifically includes:

and inquiring a third corresponding relation according to the starting time of the engine to obtain the correction coefficient, wherein the third corresponding relation comprises the corresponding relation between the starting time of the engine and the correction coefficient.

Accordingly, the present application further provides a torque correction system of an air compressor, which includes a memory and a processor, where the memory stores program codes, and the processor is configured to execute the program codes to implement the steps of the torque correction method of the air compressor according to any of the above embodiments.

Accordingly, the present embodiment also provides a storage medium, in which program codes are stored, and the program codes are used for implementing the steps of the torque correction method of the air compressor according to any one of the above embodiments when executed.

In the context of this disclosure, a storage medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The storage medium may be a machine-readable signal medium or a machine-readable storage medium. A storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

It should be noted that the storage media described above in this disclosure can be computer readable signal media or computer readable storage media or any combination of the two. A storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of storage media may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In contrast, in the present disclosure, a storage medium may include a propagated data signal with computer-readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A storage medium may also be any computer-readable medium that is not a computer-readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.

The storage medium may be included in the electronic device; or may exist separately without being assembled into the electronic device.

In summary, the embodiment of the present application provides a torque correction method for an air compressor and a related device, wherein the torque correction method for the air compressor obtains a basic calibration torque of the air compressor according to an engine speed, obtains a correction coefficient corresponding to a start time according to the start time of the engine, obtains a correction torque of the air compressor according to the engine speed, and finally obtains a target torque of the air compressor by calculating according to a first preset formula by using the basic calibration torque of the air compressor, the correction torque of the air compressor and the correction coefficient, so that the target torque of the air compressor is finally obtained and is closer to an actual torque of the air compressor, thereby avoiding a situation that an ECU of a transmission case cannot accurately obtain an output torque of the air compressor due to long-time parking of a motor vehicle, the problem of because the moment of torsion of the air compressor of engine obtains inaccurately, and the gearbox is inaccurate to the output torque judgement of engine is solved.

Features described in the embodiments in the present specification may be replaced with or combined with each other, each embodiment is described with a focus on differences from other embodiments, and the same and similar portions among the embodiments may be referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.