Abstract
This paper proposes a vibration suppression mechanism consisting of permanent magnets, actuators, sensors and a controller. The aim of this proposed system is to reduce vibration and/or deformation of thin steel sheets by controlling the air-gap between the permanent magnets and the steel sheets. The feedback control of the system was designed by means of the LQR method. In this study, the proposed vibration suppression mechanism was designed, the prototype was constructed for experimental confirmations, feasibility of the model of prototype and the design of the controller was analyzed, and numerical simulations and experimental examinations were carried out to verify the effectiveness of the controller designed by LQR method. The simulations and experiments were performed under initial disturbance conditions with PD control and without PD control. All results verified that the system effectively suppressed vibration.
