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RESEARCH PAPERS

Disturbance Decoupling by Feedforward and Preview Control

[+] Author and Article Information
H. Imai

Department of Mechanical Engineering, Setsunan University, Neyagawa, Osaka 572, Japan

M. Shinozuka, D. Li

Department of Civil Engineering and Engineering Mechanics, Columbia University, New York, N.Y. 10027

T. Yamaki

Minolta Camera Co. Ltd., Osaka 590, Japan

M. Kuwana

Department of Precision Mechanics, Kyoto University, Kyoto 606, Japan

J. Dyn. Sys., Meas., Control 105(1), 11-17 (Mar 01, 1983) (7 pages) doi:10.1115/1.3139721 History: Received October 28, 1981; Online July 21, 2009

Abstract

The problem of disturbance decoupling is formulated and solved for continuous-time linear systems in which feedforward of disturbance input and its derivatives is allowed. The problem of disturbance decoupling by preview control is also formulated for discrete-time linear systems and it is shown that these two problems are algebraically equivalent. The result is applied to the design of a disturbance absorber for an open bottom floating structure and a simulation study is carried out to demonstrate the effectiveness of the result.

Copyright © 1983 by ASME
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