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Mathematical Problems in EngineeringVolume 2013 2013, Article ID 216982, 11 pages

Research Article

Hubei Key Laboratory of Advanced Technology of Automotive Parts, Wuhan University of Technology, Wuhan 430070, China

Wanxiang Group Technology Center, Hangzhou 310000, China

Received 25 October 2013; Accepted 27 October 2013

Academic Editor: Hui Zhang

Copyright © 2013 Bin Wang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The emerging integrated electric parking brake IEPB system is introduced and studied. Through analyzing the various working stages, the stages switched IEPB system models are given with the consideration of the friction and system idle inertia. The sliding mode control SMC method is adopted to control the clamping force by the widely used motor angle and clamping force relationship method. Based on the characteristics of the state equations, two sliding surfaces are built to control the motor angle and current, respectively. And in every working stage, the control stability is guaranteed by choosing the control parameters based on Lyapunov theory and SMC reachability. The effectiveness of the proposed control system has been validated in Matlab-Simulink.





Autor: Bin Wang, Xuexun Guo, Chengcai Zhang, Zhe Xiong, Huan Xia, and Jie Zhang

Fuente: https://www.hindawi.com/



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