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Active structural control with input dead zone based on equivalent-input-disturbance approach

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4 Author(s)
Jinhua She ; Graduate School of Bionics, Computer and Media Sciences, Tokyo University of Technology, Hachioji, Tokyo 192-0982, Japan ; Kozue Sekiya ; Min Wu ; Qi Lei

This paper presents an active control method that suppresses structural vibrations caused by wind and earthquakes. It is based on an equivalent-input-disturbance approach, which estimates a disturbance and produces an equivalent signal on the control input channel. We apply this approach by taking the vibrations to be a disturbance. This yields better vibration suppression performance than others. It can also compensate for unknown nonlinearities, such as a dead zone. A comparison of this method with LQR for a three-story building demonstrates the validity of the method.

Published in:

IECON 2010 - 36th Annual Conference on IEEE Industrial Electronics Society

Date of Conference:

7-10 Nov. 2010