2005 Volume 29 Issue 5 Pages 582-588
This paper deals with a study of the elastic vibration control of an electromagnetic levitation steel plate. A new experimental apparatus that generates elastic vibration in a steel plate is proposed. Optimal control techniques were applied to two kinds of models, and the effect of suppression of the elastic vibration was investigated. One model is a simple one-degree-of-freedom system that treats the steel plate a rigid body, and the other is a comparatively complicated continuous model for the steel plate. To verify the usefulness of the two control systems, digital optimal control experiments were performed for a steel plate with free edges (800 mm×600 mm×0.3 mm). As a result, it was found that the control performance for elastic vibration was improved by using the control system for the continuous model in the theorized way.
