142 動吸振器の変位制約を考慮した構造物の振動制御(一般構造物の制御II)(OS 一般構造物の制御)

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  • 142 Viblation Control of Structure Taking Account of Stroke Constraint of Tuned Mass Damper

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This paper proposes a design method for response control of a structure involving stroke constraint of an auxiliary mass on a hybrid mass damper. In the vibration control of the structure by using the tuned mass damper, stroke of the auxiliary mass is so limited that it is difficult to control vibration of the structure in case of large disturbance input. In this paper, in order to suppress the relative displacement of the auxiliary mass, force for stopping the auxiliary mass is generated by actuator for active control. The force is assumed as damping force, then, the damping coefficient is considered as variable parameter. The variety of the damping coefficient is expressed by using of a function which can be increased expornential according to increasing relative displacement and velocity of the auxiliary mass. The control system is designed over linear parameter variable system, and the gain-scheduled control based on the LMI can be applied. By simulations, effect of vibration control with proposed control system is verified.

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