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AMT/DCT transmission clutch torque self-adaptation calibration method

A calibration method, clutch technology, applied in belts/chains/gears, elements with teeth, climate sustainability, etc., can solve problems such as difficulty in modeling clutch torque

Inactive Publication Date: 2018-01-09
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to propose a method for establishing the relationship between clutch torque and its control parameters with adaptive ability, which can adaptively solve the problem of clutch torque modeling difficulties caused by clutch time-varying and non-linear characteristics

Method used

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  • AMT/DCT transmission clutch torque self-adaptation calibration method
  • AMT/DCT transmission clutch torque self-adaptation calibration method
  • AMT/DCT transmission clutch torque self-adaptation calibration method

Examples

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Embodiment 1

[0126] This embodiment discloses an AMT or DCT transmission clutch torque adaptive calibration method

[0127] see figure 1 , including a schematic structural diagram of a DCT clutch actuator, which is characterized in that it includes a clutch pressure plate 1, an engine flywheel 2, a clutch friction plate 3, a lever spring 4, a release bearing 5, a pressure spring 6, an actuator motor 7, a screw rod 8, a roller Sub 9, combined leverage 10

[0128] It is known that the torque adaptive calibration method includes clutch torque control modeling and clutch torque adaptive calibration model; the clutch torque control modeling includes mechanical analysis of the actuator, parameter analysis and establishment of the clutch torque control model; The mechanical analysis and parameter analysis of the actuator are in figure 1 Based on the structure shown, the relationship between the release bearing pressure and the displacement of the roller mechanism, as well as the clutch torque...

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Abstract

The invention provides an AMT / DCT transmission clutch torque self-adaptation calibration method. A clutch torque theoretical control model and a clutch torque calibration model are built, and the relation between the clutch torque and the position of an execution mechanism is finally built. The difficult clutch torque modeling caused by time change, nonlinearity and the like can be solved, precisecontrol over clutch torque can be achieved, and starting and gear shifting of an AMT / DCT carried vehicle are improved.

Description

technical field [0001] The invention relates to the field of automobile automatic transmissions. Background technique [0002] Both AMT / DCT are improved on the basis of traditional manual gear transmissions, and both have the advantages of high transmission efficiency, good production inheritance and simple structure. Among them, the control effect of DCT can reach the level of AT, and it is the most potential new type of automatic transmission with huge market prospects. [0003] However, during the operation of AMT / DCT, there is a dynamic relationship between the control parameters of the clutch actuator and the transmitted torque, which will vary with the use time and use environment. This brings difficulties to the torque control of the clutch, which leads to the reduction of the control performance of the AMT / DCT clutch, especially the control performance of starting and shifting. Therefore, it is very important to establish the relationship between the clutch torque ...

Claims

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Application Information

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IPC IPC(8): F16H61/02F16H61/00F16H59/16
CPCY02T10/60
Inventor 刘永刚杨坤谕秦大同张毅陈达奇
Owner CHONGQING UNIV
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