Flexure control of a positioning system using piezoelectric transducers

被引：30
|
作者：
Moallem, M [1 ]
Kermani, MR
Patel, RV
Ostojic, M
机构：
[1] Univ Western Ontario, Dept Elect & Comp Engn, London, ON N6A 5B9, Canada
[2] Natl Res Council Canada, Integrated Mfg Technol Inst, London, ON NG6 4X8, Canada
来源：
IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY | 2004年 / 12卷 / 05期
关键词：
flexible arms; flexure control; nonlinear control; piezo-electric transducers; vibration control;
D O I：
10.1109/tcst.2004.825001
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This brief addresses the control problem of a structurally flexible positioning system by utilizing transducers made of Lead (Pb) Zirconate Titanate (PZT), commonly referred to as piezoelectric transducers, to act as actuator and sensor elements. The system possesses nonlinear dynamics and undesirable characteristics such as friction. The placement of PZT actuators on the flexible structure is studied and a nonlinear tracking control scheme augmented with a friction compensation term is developed. Experimental results are presented which illustrate the effectiveness of the control algorithm and improved performance of the controller as compared to the case where no secondary actuation is used.
引用
收藏
页码：757 / 762
页数：6
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