Robust Control for a Flexible Structure Possessing Transverse-Torsional Coupled Vibration
Toru Watanabe and Kazuo Yoshida
Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa, 223 Japan
In this paper robust stability and robust performance between an ordinary H-infinity controller and μ-controller are compared for the case of vibration control of a flexible structure using two active dynamic vibration absorbers. The structure possesses eight transverse-torsional coupled vibration modes, and the aim of this study is to reduce transverse and torsional vibrations simultaneously. After some control experiments were carried out, it was confirmed that the μ-controller shows better robust stability and robust performance than an ordinary H-infinity controller
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