Abstract:Based on both genetic optimizations in the frequency domain and time domain analysis, a thorough inquiry into optimum feedback factors of active tuned mass damper (ATMD) has been made in the present paper. We find out that the control effectiveness of the ATMD with the negative normalized acceleration feedback gain factors (NAFGFs) is better than that with positive NAFGFs in conditions of the reasonable parameters and approximately equal control forces via evaluating the effectiveness of the storey drift control, effectiveness of the floor absolute acceleration, strokes and peak control forces.
李春祥,曹黎媛,曹宝雅. 主动调谐质量阻尼器最优反馈系数的再探究[J]. 振动与冲击, 2016, 35(3): 145-151.
Li Chunxiang,Cao liyuan,Cao Baoya. A thorough inquiry into optimum feedback factors of active tuned mass damper. JOURNAL OF VIBRATION AND SHOCK, 2016, 35(3): 145-151.
1. Nishitani A, Inoue Y. Overview of the application of active/semi-active control to building structures in Japan. Earthquake Engineering and Structural Dynamics 2001; 30(11): 1565-1574.
2. Shi Weixing, Shan Jiazeng, Lu Xilin. Modal identification of Shanghai World Financial Center both from free and ambient vibration response. Engineering Structures, 2012, 36: 14-26.
3. Ankireddi S, Yang HTY. Simple ATMD control methodology for tall buildings subject to wind loads. Journal of Structural Engineering (ASCE) 1996; 122(1): 83–91.
4. Yan N, Wang CM, Balendra T. Optimum damper characteristics of ATMD for buildings under wind loads. Journal of Structural Engineering (ASCE) 1999; 125(12): 1376–1383.
5. Nagashima I. Optimal displacement feedback control law for active tuned mass damper. Earthquake Engineering and Structural Dynamics 2001; 30 (8): 1221–1242.
6. Li Chunxiang, Li Jinhua, Qu Yan. An optimum design methodology of active tuned mass damper for asymmetric structures. Mechanical Systems and Signal Processing, 2010, 24(3): 746-765.