大規模実験棟へ適用したH^∞制御理論によるアクテイブマスダンパの性能検証

概要

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H^∞ control theory was applied to design the controller of Active Mass Damper (AMD) system, which is installed on the roof floor of 6-story experimental building model of a 19 m height and a 480 tons total weight. The 1st and 2nd vibration modes of the building were reduced using only the absolute acceleration of the roof floor. So the total cost of the AMD system could be reduced. Forced vibration tests and observation of behaviors against earthquake excitations were carried out to investigate the effectiveness of the designed controller. The building was oscillated by the oscillator, H^∞ controller effectively reduced the 1st and 2nd vibration modes and the AMD was moved smoothly. Moreover, under the active control based on H^∞ control due to the earthquake excitations, the satisfactory vibration control effect in the 1^<st> and 2^<nd> mode was obtained, and no the spillover in the 3^<rd> mode was occurred. It was confirmed that this system based on H^∞ control theory was quite effective for the vibration control of the building to earthquake excitations.
一般社団法人日本建築学会の論文
2000-03-20