Optimal control of random vibration by the use of an active dynamic vibration absorber (theoretical considerations on the control performance and the robustness)

Kazuo Yoshida, Taro Shimogo, Hidekazu Nishimura

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Abstract

In this study, the control characteristics of two kinds of dynamic vibration absorber (D.V.A.), an active D.V.A. with a feedback link alone and an active D.V.A. with feedback and feedforward links, are considered and compared to those of a passive D.V.A. Particularly, the relationships between the control performance and the criterion, the mass ratio or the input characteristics are investigated. Furthermore, in order to examine the robustness of the three kinds of D.V.A., the influences of changes of system parameters and input characteristics on the control performances are clarified. As a result, the fundamental design data on the active dynamic vibration absorbers are obtained.

Original languageEnglish
Pages (from-to)2118-2124
Number of pages7
JournalNippon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume54
Issue number505
Publication statusPublished - 1988 Sep
Externally publishedYes

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AB - In this study, the control characteristics of two kinds of dynamic vibration absorber (D.V.A.), an active D.V.A. with a feedback link alone and an active D.V.A. with feedback and feedforward links, are considered and compared to those of a passive D.V.A. Particularly, the relationships between the control performance and the criterion, the mass ratio or the input characteristics are investigated. Furthermore, in order to examine the robustness of the three kinds of D.V.A., the influences of changes of system parameters and input characteristics on the control performances are clarified. As a result, the fundamental design data on the active dynamic vibration absorbers are obtained.

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