635 特性変動を有する外乱を受けるスマート構造の振動制御法

概要

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This paper proposes a multidisciplinary optimization approach of smart structures with disturbance characteristic variation. The control system and actuator locations are optimized by genetic algorithm according to H_2 specification with a reduced-order modal model derived from FEM and modal analysis. A gain-scheduled control system is applied to cope with the disturbance characteristic variation. This system estimates the disturbance characteristics continuously and then uses the appropriate scheduling gains against the estimated disturbance characteristics. The scheduling gains are optimized by genetic algorithm to enhance the vibration control performance under a constraint on the control cost, beforehand. A time-domain simulation and experiment have been carried out to verify the performance of the presented control system.
2007-09-25