Abstract

Nonstationary optimal control method (NOCM) is one of the most effective methods for control problems consisting of plural control modes. NOCM realizes a smooth switching of the modes along time passage and enables us to unify the designs for plural modes and produces the optimal controller based on single criterion function including plural control objectives. In conveyance systems as crane, both a control mode based on operator's command and an automatic control mode are required. Taking the feature of NOCM into account, this study applies NOCM to the problem consisting of the traveling control mode following the operator's command and the automatic settling control mode for positioning of a cart with vibration system. The effectiveness of the method is verified theoretically and experimentally.

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