Fault Diagnosis of Position Sensor for Synchronizer Actuator Motor in Dry Dual Clutch Transmission

被引：0
|
作者：
Zhao Z. [1 ]
Fu S. [1 ]
Jiang S. [1 ]
Chen J. [1 ]
机构：
[1] School of Automotive Studies, Tongji University, Shanghai
来源：
Qiche Gongcheng/Automotive Engineering | 2020年 / 42卷 / 11期
关键词：
Dry DCT; Fault diagnosis; Fault-tolerant control; Fuzzy sliding mode observer; Synchronizer brushless DC actuator motor;
D O I：
10.19562/j.chinasae.qcgc.2020.11.019
中图分类号：
学科分类号：
摘要：
In view of that the Hall position sensor of the synchronizer actuator motor in a dry dual clutch transmission (DCT)is susceptible to environment and is inconvenient in maintenance, the fault diagnosis and fault-tolerant control of the Hall position sensorare performed in the gear-selecting process of dry DCT in this paper for ensuring the smooth shifting and safe driving of DCT vehicle. Firstly, the simulation model for the actuator motor of dry DCT synchronizer is built and verified, fuzzy sliding mode observer is designed to estimate its line back electromotive force (EMF) real-time, and the relationship between the line back EMF in brushless DC motor and rotational angle signal is utilized to achieve the indirect estimation of the rotor position of synchronizer actuatormotor. Then, based on the difference between the estimated value and the actual sensor output, the Hall position sensor fault is diagnosed, and the active fault-tolerant control of the Hall sensor fault of synchronizer actuatormotor is realized by means of analytical redundancy. Finally, simulation and verification test are conducted on the fault diagnosis method proposed for Hall position sensor, with a result showing that the delay of the reconstructed Hall position signal is less than 5.5%, and the method is applicable to the fault diagnosis and corresponding fault-tolerance control of the Hall sensor in synchronizer actuator motor. © 2020, Society of Automotive Engineers of China. All right reserved.
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页码：1585 / 1594
页数：9
相关论文
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