Multidisciplinary Optimization of Smart Structure with Characteristic Variation for Vibration Suppression(International Workshop on Smart Materials and Structural Systems, W03 Jointly organized by Material & Processing Division, Material & Mechanics Divis
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概要
- 論文の詳細を見る
The objective of the current research is to develop a multi disciplinary design approach of piezoelectric actuator and control system for smart structures that have a characteristics variation. The length of a beam-type smart structure changes and the characteristics of the system is varied. The structure is modeled by FEA, and then the model reduction with the modal coordinate transformation is carried out. The control system is designed according to the H_2 pecification with the reduced-order model. An adaptive control is conducted by scheduling the controllers to keep the stability and performance against the characteristics variation. The design problem for improving the H_2 performance is defined, and the piezoelectric placement and the scheduled control system are simultaneously optimized by the resented 2-step procedure with genetic algorithm (GA), resulting in an enhanced performance for the vibration control.
- 一般社団法人日本機械学会の論文
- 2004-09-04
著者
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Tsuchiya Ryo
Department Of Mechanical And Aerospace Engineering Tokyo Institute Of Technology
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Kajiwara Itsuro
Department Of Mechanical And Aerospace Engineering Tokyo Institute Of Technology
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