抄録
In the thin steel plates which are used in many industrial products, including automobiles, flaws on the plate surface and peeling during the surface treatment process are induced due to the use of many rollers in the conveyance process. These flaws lead to the deterioration of the quality of the plate surface. To solve this problem, the authors proposed a device for controlled levitation of rectangular sheet plate by means of a hybrid actuator using five electromagnets and thirty permanent magnets. However, it is necessary to consider the optimal placement and number of permanent magnets to decrease the deflection of the steel plate effectively. In this study, we attempt to determine model of attractive force of permanent magnets and number of permanent magnets using the genetic algorithm for a thin steel plate that reduce the deflection and elastic vibration.
