Robust Switching Control Strategy for a Transmission System with Unknown Backlash | Zendy

Qiang Ling | Zendy; Zhe Yan | Zendy; Honghai Shen | Zendy; Jiquan Li | Zendy; Yongyang Wang | Zendy

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Robust Switching Control Strategy for a Transmission System with Unknown Backlash

Author(s) -

Qiang Ling,

Zhe Yan,

Honghai Shen,

Jiquan Li,

Yongyang Wang

Publication year - 2014

Publication title -

mathematical problems in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.262

H-Index - 62

eISSN - 1026-7077

pISSN - 1024-123X

DOI - 10.1155/2014/719384

Subject(s) - backlash , control theory (sociology) , transmission (telecommunications) , controller (irrigation) , transmission system , mode (computer interface) , engineering , oscillation (cell signaling) , signal (programming language) , control engineering , control (management) , computer science , telecommunications , artificial intelligence , mechanical engineering , agronomy , genetics , biology , programming language , operating system

This paper proposes a robust switching control strategy for a transmission system with unknown backlash. Firstly, the adverse effects of backlash nonlinearity in the transmission system are analyzed. Then the backlash model and different operating modes of the transmission system with backlash are investigated. For each operating mode, an individual controller is designed to make the system robust against the unknown backlash and various frequencies of the input signal. Moreover, a supervisory controller is proposed to estimate the current mode of the transmission system and coordinate the controller switching between different modes. Simulations are done to verify that our switching control strategy can efficiently reduce the oscillation caused by backlash and is quite robust against the variation of the frequency of the input signal

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