クラスタ制御による分布定数系構造物の振動制御について

概要

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This paper considers the newly proposed cluster control of a distributed-parameter structure, which falls into a category of MAC (Middle Authority Control) in-between conventionally used LAC and HAC, thereby it possessing both the benefits of simple control structure by LAC and high control performance by HAC. First, from a viewpoint of feedback control, this paper clarifies the structure of a cluster control system, showing that it is possible to control a cluster independently without causing any influence onto other clusters. Experimental results show that cluster control is performed with sufficient control effect for suppressing targeted cluster of a distributed-parameter structure. With the aim of suppressing all structural modes of a structure, equivalent to suppressing all clusters, a design procedure for the cluster control system is proposed. Comparing with DVFB (Direct Velocity Feedback) widely used for active control of distributed-parameter structure, DVFB is found to be a special case of the cluster control.
1998-03-25