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Titolo:
Linear structure vibration control using MFT and robust Kalman-filter-based OMFC method
Autore:
Chen, SH; Chou, YH;
Indirizzi:
Natl Kaohsiung Inst Technol, Dept Engn Mech, Kaohsiung 807, Taiwan Natl Kaohsiung Inst Technol Kaohsiung Taiwan 807 , Kaohsiung 807, Taiwan Natl Yunlin Univ Sci & Technol, Dept Mech Engn, Touliu 640, Yunlin, TaiwanNatl Yunlin Univ Sci & Technol Touliu Yunlin Taiwan 640 0, Yunlin, Taiwan
Titolo Testata:
CHINESE JOURNAL OF MECHANICS-SERIES A
fascicolo: 1, volume: 15, anno: 1999,
pagine: 1 - 9
SICI:
1017-4370(199903)15:1<1:LSVCUM>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
SYSTEMS;
Keywords:
linear structure vibration control; modal force technique; optimal model-following control; stability robustness;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
17
Recensione:
Indirizzi per estratti:
Indirizzo: Chen, SH Natl Kaohsiung Inst Technol, Dept Engn Mech, Kaohsiung 807, Taiwan Natl Kaohsiung Inst Technol Kaohsiung Taiwan 807 ng 807, Taiwan
Citazione:
S.H. Chen e Y.H. Chou, "Linear structure vibration control using MFT and robust Kalman-filter-based OMFC method", CH J MECH-A, 15(1), 1999, pp. 1-9

Abstract

This paper proposes a robust Kalman-filter-based optimal model-following control (OMFC) methodology for actively suppressing the vibration of the mechanical structure system, which is modeled by the modal force technique (MFT) and subjects to both disturbance/noise uncertainties and linear structured time-varying parameter perturbations. The proposed method can not only avoid the problem of how to choose appropriate weighting matrices in the quadratic cost function of the linear quadratic Gaussian (LQG) control but also make the controlled closed-loop system to have desired system response characteristics. Besides, this paper also presents a robust stability criterion to guarantee that the designed controller can keep the controlled mechanical structure system from the possibility of time-varying-parameter-perturbation-induced instability. An example of L-shaped cantilever beam structure system is employed to demonstrate the application of the proposed method and the use of the robust stability criterion. Numerical simulation is performed to evaluate the improvement of the vibration response.

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Documento generato il 28/01/20 alle ore 21:42:42