Optimal design of smart structures using bonded plezoelectrics for vibration control
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Katholieke Univ Leuven, Dept Werktuigkunde
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Smart material technology has become an area of increasing interest for the development of lighter and stronger structures which are able to incorporate actuator and sensor capabilities for collocated control. In the design of actively controlled structures, the determination of the actuator locations and the controller gains, is a very important issue. For that purpose, smart material modelling, modal analysis methods, control and optimization techniques are the most important ingredients to be taken into account. The optimization problem to be solved in this context presents two interdependent aspects. The first one is related to the discrete optimal actuator location selection problem which is solved in this paper using genetic algorithms. The second is represented by a continuous variable optimization problem, through which the control gains are determined using classical techniques. A cantilever Euler-Bernoulli beam is used to illustrate the presented methodology.
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Noise and Vibration Engineering, Vols 1 - 3, Proceedings. Heverlee: Katholieke Univ Leuven, Dept Werktuigkunde, p. 95-102, 2001.
