NDLI: Optimal Placement of Piezoelectric Torsional Actuator Based on Genetic Algorithm

Content Provider	IEEE Xplore Digital Library
Author	Yonggui Lv Yanding Wei Chunyang Lv Ziehen Chen
Copyright Year	2006
Description	Author affiliation: Inst. of Manu. Eng., Zhejiang Univ. (Yonggui Lv; Yanding Wei; Chunyang Lv; Ziehen Chen)
Abstract	Aiming at placement optimization of a piezoelectric torsional actuator bonded onto a thin-wall bar, a profound torsional vibration investigation was performed. Dynamic equations of the thin-wall bar-actuator system was theoretically derived using Lagrange equation and assumed mode method, and the state-space expression of the dynamic system was developed. The thin-wall bar was divided into several position units, the controllability Grammian was chosen as the objective function, and optimal placement of piezoelectric torsional actuator was obtained using genetic algorithm. At last, feedback control was performed, and the first three closed-loop frequency response of the angular displacement of the free end was obtained. The results show that the procured optimal placement is feasible. The actuator is bonded onto this position for control where the system has the best controllability, and significant torsional vibration suppression is obtained
Starting Page	3154
Ending Page	3158
File Size	119175
Page Count	5
File Format	PDF
ISBN	1424403324
DOI	10.1109/WCICA.2006.1712948
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Piezoelectric actuators Genetic algorithms Thin wall structures Bonding Equations Controllability Lagrangian functions Feedback control Frequency response Control systems optimization thin-wall bar torsional vibration piezoelectric torsional actuator feedback control
Content Type	Text
Resource Type	Article

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