J1001-1-1 バーチャルセンシングによる車室内アクティブ構造騒音制御の安定化手法(交通物流機械の力学と制御)

概要

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To reduce wide-band structure-borne noise in a car cabin, the Active Structural Acoustic Control (ASAC) using a virtual noise sensing method has been studied. In this paper, two ideas are proposed to assure the stability of the system while keeping the noise reduction effect in a driving condition. One idea is the H2 controller synthesis to ensure the closed loop stability, and the other is the identification method of the low gain noise estimation model to reduce the controller gain. Then the effectiveness of the proposed method is verified by a driving experiment.
2009-09-12