Discrete-Time Sliding Mode Control on a Flexible Truss Structure

[+] Author and Article Information
Wu-Chung Su

Department of Electrical Engineering, National Chung-Hsing University, 205 Kuo-Kwang Road, Taichung, Taiwan 402, R.O.C.

Sergey V. Drakunov

Electrical Engineering and Computer Science Department, Tulane University, 211 Stanley Thomas Hall, New Orleans, Louisiana 70118, USA

Ümit Özgüner, Keith Redmill

Department of Electrical Engineering, The Ohio State University, 2015 Neil Avenue, Columbus, Ohio 43210, USA

J. Vib. Acoust 127(3), 292-295 (Jun 01, 2005) (4 pages) doi:10.1115/1.1888605 History: Received November 03, 2000; Revised August 31, 2004; Online May 18, 2005


Implementation of discrete-time sliding mode control on a sampled-data system leads to sliding motion in an O(T2) boundary layer of the discontinuity surface, where T is the sampling period. A truss panel structure vibration control experiment is conducted to demonstrate the effectiveness of the proposed method. This paper utilizes a truncated model to characterize the models of interest and treats all the high frequency modes as disturbances. The experiment includes system identification, state observer design, and discrete-time sliding mode control.

Copyright © 2005 by American Society of Mechanical Engineers
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