ロバスト制御理論を適用したアクティブマスダンパによる建物制振

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The authors since 1990 have been working on the study and development of a vibration control system designed through use of Linear Quadratic optimal control theory (LQ). However, the LQ system needs many sensors, integrating amplifier, and cable to achieve vibration. To address these and other issues, as is well-known, robust control theory utilizes an efficient technique for vibration control of tall buildings. H_∞control theory and μ-synthesis, which are representative of robust control theory and are which reduce the vibration of a building using only the absolute acceleration of the roof floor, have robust stability and robust performance. Previously, H_∞control theory has been applied to design of the controller of an Active Mass Damper (AMD) system installed on a 6-story large-scale experimental building. However, applying H_∞control theory in conjunction with a real system causes problems. For example, control performance becomes conservative and performance gets worse when parameters fluctuate. On the other hand, with μ-synthesis, a perturbation is dealt with as a structured singular value instead of maximum singular value, therefore it can be used to evaluate robust performance. This paper describes the design of a control system based on robust control theory, which is applied in an AMD system installed in a building. The effectiveness of the designed control system has been confirmed through use of measured data of an earthquake on the building.
一般社団法人日本建築学会の論文
2002-03-20

ロバスト制御理論を適用したアクティブマスダンパによる建物制振

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