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Active Vibration Control Using the Modified Independent Modal Space Control (M.I.M.S.C.) Algorithm and Neural Networks as State EstimatorsDepartment of Mechanical Engineering Chung-Hua Polytechnic Institute Taiwan, 30067, R.O.C.
Department of Mechanical and Aerospace Engineering G-60 Engineering Science Building West Virginia University Morgantown, WV 26506-6101
Department of Mechanical and Aerospace Engineering G-60 Engineering Science Building West Virginia University Morgantown, WV 26506-6101 This article presents a numerical study related to the active control of the vibrations of a cantilevered beam with piezoelectric actuators using the Modified Independent Modal Space Control (M.I.M.S.C.) algorithm coupled with a neural network for state estimation. Among other control strategies, the M.I.M.S.C. algorithm has been shown to have excellent closed-loop structural damping. Such an algorithm requires as input data the modal displacements and velocities of the vibrating beam. A Neural Network is proposed in this paper as an alternative approach to classic estimation structures for the on-line estimation of the modal parameters. The results of a numerical case study are presented and discussed.
Journal of Intelligent Material Systems and Structures, Vol. 5, No. 4,
550-558 (1994) |
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