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http://dx.doi.org/10.5050/KSNVN.2004.14.7.612

Development of a Robust Controller for Piezo/beam Systems  

홍성일 (포항공과대학교 대학원 기계공학과)
박현철 (포항공과대학교 기계공학)
박철휴 (포항공과대학교 기계공학과)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.14, no.7, 2004 , pp. 612-618 More about this Journal
Abstract
This paper presents a robust vibration control methodology for smart structural systems. The governing equation and associated boundary conditions of the smart structural system are derived by using Hamilton's principle. The assumed mode method is used to discretize the governing equation into a set of ordinary differential equation. A robust controller is designed using a linear matrix inequality (LMI) approach for the multiobjective synthesis. The design objectives are to achieve a mix of H$_{\infty}$ performance and H$_2$ performance satisfying constraints on the closed-loop pole locations in the presence of model uncertainties. Numerical examples are presented to demonstrate the effectiveness of LMI approach in damping out the multiple vibration modes of the piezo/beam system.
Keywords
Piezoelectric material; Linear matrix inequalities; Multiobjective control; Robust control;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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