CN-115560007-B - Clutch closing control method and device, electronic equipment and readable storage medium

CN115560007BCN 115560007 BCN115560007 BCN 115560007BCN-115560007-B

Abstract

The application provides a clutch closing control method, a device, electronic equipment and a readable storage medium, which are applied to a jaw clutch, wherein the clutch closing control method comprises the steps of obtaining the current rotating speed of a driving motor and a closing rotating speed difference limit value corresponding to the current rotating speed, wherein the closing rotating speed difference limit value is the necessary rotating speed difference between a clutch input end and a clutch output end required by reliable closing of the jaw clutch; and controlling the jaw clutch to be reliably closed according to the closing rotational speed difference limit value, wherein the rotational speed difference between the clutch input end and the clutch output end of the jaw clutch is within the closing rotational speed difference limit value when the jaw clutch is reliably closed. The application solves the technical problem of low success rate of closing the jaw clutch.

Inventors

QIN XIN
SHAO JIE
ZHAO YIFAN
CAO YU
TANG XIANGJIAO

Assignees

上汽通用五菱汽车股份有限公司

Dates

Publication Date: 20260512
Application Date: 20220927

Claims (7)

1. A clutch closing control method is characterized in that, the clutch closing control method applied to the jaw clutch comprises the following steps: acquiring the current rotating speed of a driving motor and a closing rotating speed difference limit value corresponding to the current rotating speed, wherein the closing rotating speed difference limit value is a necessary rotating speed difference between a clutch input end and a clutch output end required by reliable closing of the jaw clutch; Controlling the reliable closing of the jaw clutch according to the closing speed difference limit value, wherein the speed difference between the clutch input end and the clutch output end of the jaw clutch is within the closing speed difference limit value when the jaw clutch is reliably closed, and controlling the reliable closing of the jaw clutch according to the closing speed difference limit value comprises the following steps: Acquiring the current rotation speed difference between the input end rotation speed of the clutch input end and the output end rotation speed of the clutch output end; Judging whether the current rotation speed difference is within the closed rotation speed difference limit value or not; If yes, the jaw clutch is controlled to be reliably closed under the current rotating speed difference; if not, the rotation speed of the input end is regulated, and the execution step is returned to, namely, the current rotation speed difference between the rotation speed of the input end of the clutch and the rotation speed of the output end of the clutch is obtained; the step of obtaining a current rotational speed difference between the input rotational speed of the clutch input and the output rotational speed of the clutch output includes: performing speed ratio conversion on the current rotating speed of the driving motor to obtain the rotating speed of the output end; performing offset adjustment on the rotating speed of the output end according to the rotating speed offset determined by the closed rotating speed difference limit value to obtain the rotating speed of the first generator; performing speed ratio conversion on the first generator rotating speed to obtain the input end rotating speed; calculating the difference between the rotating speed of the input end and the rotating speed of the output end to obtain the current rotating speed difference; the step of adjusting the rotational speed of the input end includes: Adjusting the rotating speed offset, and performing offset adjustment on the rotating speed of the output end according to the adjusted rotating speed offset to obtain the rotating speed of a second generator; and performing speed ratio conversion on the second generator rotating speed to obtain the adjusted input end rotating speed.
2. The clutch closure control method according to claim 1, wherein the step of acquiring the current rotation speed of the drive motor and the closure rotation speed difference limit value corresponding to the current rotation speed includes: Acquiring the current rotating speed of the driving motor; Searching a closed rotating speed difference limit value corresponding to the current rotating speed in a preset rotating speed difference limit value configuration table, wherein the preset rotating speed difference limit value configuration table is used for representing a mapping relation between the current rotating speed and a target closed rotating speed difference, and the target closed rotating speed difference is a rotating speed difference used when the closing time of the jaw clutch is shortest.
3. The clutch closure control method according to claim 2, characterized in that, before the step of searching for a closure rotational speed difference limit value corresponding to the current rotational speed in a preset rotational speed difference limit value configuration table, the clutch closure control method further comprises: When the driving motor is at a preset rotating speed, controlling the jaw clutch to be closed at different closing rotating speed differences, and obtaining closing time of the jaw clutch under different closing rotating speed differences; selecting the rotation speed difference with the shortest closing time from the closing rotation speed differences as a closing rotation speed difference limit value corresponding to the preset rotation speed according to the closing time; and setting the preset rotating speed difference limit value configuration table according to the corresponding relation between different preset rotating speeds and corresponding closed rotating speed difference limit values.
4. A clutch closure control method as claimed in any one of claims 1 to 3, wherein the clutch closure control method further comprises: acquiring the current closing time of the jaw clutch and the corresponding preset closing time of the current rotating speed in a preset rotating speed difference limit value configuration table; If the current closing time is smaller than the preset closing time, updating the preset rotating speed difference limit value configuration table; and if the current closing time is not smaller than the preset closing time, not updating the preset rotating speed difference limit value configuration table.
5. A clutch closure control device, characterized by being applied to a dog clutch, comprising: The parameter acquisition module is used for acquiring the current rotating speed of the driving motor and a closed rotating speed difference limit value corresponding to the current rotating speed, wherein the closed rotating speed difference limit value is a necessary rotating speed difference between a clutch input end and a clutch output end required by reliable closing of the jaw clutch; The closing control module is used for controlling the jaw clutch to be reliably closed according to the closing speed difference limit value, wherein the speed difference between the clutch input end and the clutch output end of the jaw clutch is within the closing speed difference limit value when the jaw clutch is reliably closed, the step of controlling the jaw clutch to be reliably closed according to the closing speed difference limit value comprises the steps of obtaining the current speed difference between the input end speed of the clutch input end and the output end speed of the clutch output end, judging whether the current speed difference is within the closing speed difference limit value, controlling the jaw clutch to be reliably closed under the current speed difference if the current speed difference is within the closing speed difference limit value, adjusting the input end speed if the current speed difference is not, and returning to an executing step of obtaining the current speed difference between the input end speed of the clutch input end and the output end speed of the clutch output end, wherein the step of obtaining the current speed difference between the input end speed of the clutch input end and the output end of the clutch comprises the step of obtaining the motor, calculating the current speed difference between the input end speed of the clutch input end and the output end of the clutch output end, converting the current speed difference between the input end of the clutch input end and the output end of the clutch output end, obtaining the first conversion value, converting the current speed difference between the input end of the input end and the output end of the clutch, converting the first conversion value, obtaining the first conversion value, converting the current speed difference between the speed difference, and obtaining the first conversion value, and performing speed ratio conversion on the second generator rotating speed to obtain the adjusted input end rotating speed.
6. An electronic device, the electronic device comprising: at least one processor, and A memory communicatively coupled to the at least one processor, wherein, The memory stores instructions executable by the at least one processor to enable the at least one processor to perform the steps of the clutch closure control method of any one of claims 1 to 4.
7. A computer-readable storage medium, characterized in that the computer-readable storage medium has stored thereon a program for realizing the clutch closing control method, the program for realizing the clutch control method being executed by a processor to realize the steps of the clutch control method according to any one of claims 1 to 4.

Description

Clutch closing control method and device, electronic equipment and readable storage medium Technical Field The present application relates to the field of vehicle control technologies, and in particular, to a clutch closing control method and apparatus, an electronic device, and a readable storage medium. Background With the continuous development of technology, the variety of clutches, such as dog clutches, has become rich and diverse. At present, the jaw clutch is usually closed under the condition that the rotation speeds of two ends are kept consistent, but the teeth at the two ends of the jaw clutch are not tightly meshed with each other, so that the situation that the teeth are closed without alignment can occur, and the success rate of closing the jaw clutch is affected. Disclosure of Invention The application mainly aims to provide a clutch closing control method, a clutch closing control device, electronic equipment and a readable storage medium, and aims to solve the technical problem that the success rate of closing a jaw clutch in the prior art is low. In order to achieve the above object, the present application provides a clutch closing control method applied to a dog clutch, the clutch closing control method comprising: acquiring the current rotating speed of a driving motor and a closing rotating speed difference limit value corresponding to the current rotating speed, wherein the closing rotating speed difference limit value is a necessary rotating speed difference between a clutch input end and a clutch output end required by reliable closing of the jaw clutch; And controlling the jaw clutch to be reliably closed according to the closing rotational speed difference limit value, wherein the rotational speed difference between the clutch input end and the clutch output end of the jaw clutch is within the closing rotational speed difference limit value when the jaw clutch is reliably closed. In order to achieve the above object, the present application also provides a clutch closing control device applied to a dog clutch, the clutch closing control device comprising: The parameter acquisition module is used for acquiring the current rotating speed of the driving motor and a closed rotating speed difference limit value corresponding to the current rotating speed, wherein the closed rotating speed difference limit value is a necessary rotating speed difference between a clutch input end and a clutch output end required by reliable closing of the jaw clutch; and the closing control module is used for controlling the jaw clutch to be reliably closed according to the closing rotational speed difference limit value, wherein the rotational speed difference between the clutch input end and the clutch output end of the jaw clutch is within the closing rotational speed difference limit value when the jaw clutch is reliably closed. The application also provides electronic equipment which comprises a memory, a processor and a program of the clutch closing control method which is stored in the memory and can run on the processor, wherein the program of the clutch closing control method can realize the steps of the clutch closing control method when being executed by the processor. The present application also provides a computer-readable storage medium having stored thereon a program for implementing a clutch closing control method, which when executed by a processor implements the steps of the clutch closing control method as described above. The application also provides a computer program product comprising a computer program which, when executed by a processor, implements the steps of a clutch closure control method as described above. Compared with the technical means of closing under the condition that the rotating speeds at two ends of a jaw clutch are kept consistent in the prior art, the method for controlling the closing of the clutch comprises the steps of firstly obtaining the current rotating speed of a driving motor and a closing rotating speed difference limit value corresponding to the current rotating speed, wherein the closing rotating speed difference limit value is the necessary rotating speed difference between a clutch input end and a clutch output end required by the reliable closing of the jaw clutch, and controlling the reliable closing of the jaw clutch according to the closing rotating speed difference limit value, wherein the rotating speed difference between the clutch input end and the clutch output end is within the rotating speed difference limit value when the jaw clutch is reliably closed. In the application, as the two ends of the jaw clutch have a small rotating speed difference in the closing process, the rotating speed difference can lead the teeth at the two ends of the jaw clutch to have a small moment, the moment can force the teeth at the two ends of the jaw clutch to be tightly meshed, the problem that the teeth at the two ends of the jaw clutch are not tightly m