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Clutch Engagement Control Method, System and Storage Medium Based on Model Prediction

A technology of model prediction and control method, which is applied to the directions of clutches, clutches, mechanically driven clutches, etc. that mesh with each other. The effect of impact

Active Publication Date: 2022-03-25
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present invention provides a clutch engagement control method, system and computer-readable storage medium based on model prediction to solve the technical problem in the prior art that the clutch engagement time, impact degree and slip work cannot be taken into account

Method used

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  • Clutch Engagement Control Method, System and Storage Medium Based on Model Prediction

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Embodiment 1

[0040] Embodiments of the present invention provide a method for clutch engagement control based on model prediction, the schematic flowchart of which is as follows: figure 1 As shown, the method includes the following steps:

[0041] S1. Obtain clutch transmission torque, engine torque and transmission output end resistance torque, and establish a state space expression for clutch engagement according to the clutch transmission torque, engine torque and transmission output end resistance torque;

[0042] S2. Establish an incremental state space expression according to the state space expression of clutch engagement, obtain a prediction equation for clutch engagement according to the incremental state space expression, and set a target according to the value of the prediction equation function;

[0043] S3. Obtain the optimal sequence of the objective function, obtain the clutch transmission torque according to the optimal sequence of the objective function, obtain the clutch...

Embodiment 2

[0107] An embodiment of the present invention provides a clutch engagement control system based on model prediction, including a processor and a memory, where a computer program is stored in the memory, and when the computer program is executed by the processor, the implementation is as described in Embodiment 1. The described model prediction based clutch engagement control method.

Embodiment 3

[0109] An embodiment of the present invention provides a computer-readable storage medium, and when the computer program is executed by a processor, the method for controlling clutch engagement based on model prediction as described in Embodiment 1 is implemented.

[0110] The invention discloses a clutch engagement control method, system and computer readable storage medium based on model prediction. torque and the resistance torque at the output end of the transmission to establish the state space expression of clutch engagement; according to the state space expression of clutch engagement, establish the state space expression in incremental form, and according to the state space expression in incremental form, Obtain the prediction equation of clutch engagement, and set the objective function according to the value of the prediction equation; obtain the optimal sequence of the objective function, obtain the clutch transmission torque according to the optimal sequence of the ...

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Abstract

The invention discloses a clutch engagement control method, system and computer-readable storage medium based on model prediction, belonging to the technical field of clutch engagement control. A clutch engagement control method based on model prediction, comprising the following steps: obtaining clutch transmission torque, engine torque and transmission output end resistance torque, establishing a state space expression for clutch engagement; establishing an incremental state space expression, Obtain the prediction equation of clutch engagement, and set the objective function according to the value of the prediction equation; obtain the optimal sequence of the objective function, obtain the displacement of the clutch thrust bearing and the target torque of the engine at the next moment, and output them to the controlled object. In the long run, the displacement of the clutch thrust bearing and the target torque of the engine at the next moment are repeatedly obtained until the speed difference between the main and driven discs of the clutch is less than the set threshold, and the clutch engagement is completed. The method of the invention takes into account the joining time while reducing the impact degree and the sliding and grinding work.

Description

technical field [0001] The present invention relates to the technical field of clutch engagement control, and in particular, to a method, system and computer-readable storage medium for clutch engagement control based on model prediction. Background technique [0002] Using a hybrid system in which the motor is arranged between the clutch and the automatic mechanical transmission (AMT), the coordinated control of the shifting process includes two shifting control methods: clutch shifting and non-disengaging clutch shifting. The clutch control is omitted, but the system load needs to be reduced to 0 before entering the neutral gear. Since there is no torque feedback, it is difficult to reduce the power of the engine and the motor to 0 during the unloading process. Therefore, the separation clutch is used. The way of shifting control is more reliable, but the way of disengaging the clutch must solve the impact problem caused by clutch engagement. The clutch shifting process i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D11/16F16D48/06G06Q10/04G06F30/20G06F30/15G06F119/14
CPCF16D11/16F16D48/064G06Q10/04G06F30/20G06F30/15G06F2119/14Y02T90/00
Inventor 杜常清张欢
Owner WUHAN UNIV OF TECH
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