过失速机动变指数趋近律UAS-SMC设计

Journal of Jilin University(Information Science Ed ›› 2015, Vol. 33 ›› Issue (2): 153-161.

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Design of Sliding Mode Controller with Unidirectional Auxiliary Surfaces Based on Improved Exponent Trending Law for Post-Stall Maneuver

AI Wenlei¹, WANG Yuhui¹, ZHU Linze², XU Changliang¹

1. School of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;2. Tele-Reconnaissance Station, Headquarters of Fujian Military Area Command, Fuzhou 350003, China

Received:2014-09-10 Online:2015-03-24 Published:2015-05-29

Abstract

Abstract:

A control scheme is proposed based on improved exponent trending law to deal with chattering problem in UAS-SMC(Unidirectional Auxiliary Surfaces-Sliding Mode Control). First, to ensure the smoothness of system in the control range, T-S model is built to deal with aircrafts model change with control variable. Then an advanced sliding mode control with unidirectional auxiliary surfaces is analyzed, and an improved exponent trending law is proposed. The control scheme is designed based on fuzzy model and the new trending law. The simulation results show that the scheme can guarantee the rapidity of approaching process and suppress the chattering effectively.

Key words: sliding mode control, unidirectional auxiliary surfaces, improved exponent trending law, T-S model

CLC Number:

TP273

AI Wenlei, WANG Yuhui, ZHU Linze, XU Changliang. Design of Sliding Mode Controller with Unidirectional Auxiliary Surfaces Based on Improved Exponent Trending Law for Post-Stall Maneuver[J].Journal of Jilin University(Information Science Ed, 2015, 33(2): 153-161.

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Design of Sliding Mode Controller with Unidirectional Auxiliary Surfaces Based on Improved Exponent Trending Law for Post-Stall Maneuver

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