Nonlinear cross-coupling of a 2-DOF piezoelectric actuator with multi-channel Hammerstein model

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• 英文论文题名：Nonlinear cross-coupling of a 2-DOF piezoelectric actuator with multi-channel Hammerstein model
• 论文作者：Bo Hu ; Hai-Tao Zhang ; Zhi-Yong Chen
• 英文论文作者：Bo Hu ; Hai-Tao Zhang ; Zhi-Yong Chen ; School of Automation ; Huazhong University of Science and Technology ; School of Electrical Engineering and Computer Science ; University of Newcastle
• 年：2017
• 作者机构：School of Automation,Huazhong University of Science and Technology;School of Electrical Engineering and Computer Science,University of Newcastle;
• 英文论文关键词：Piezoelectric actuator ; nonlinear dynamic ; Hammerstein model
• 会议召开时间：2017-07-26
• 会议录名称：第36届中国控制会议论文集（A）
• 英文会议录名称：Proceedings of the 36th Chinese Control Conference（A）
• 语种：英文
• 分类号：TN384
• 学会代码：KZLL
• 会议名称：第36届中国控制会议
• 会议地点：中国辽宁大连
• 主办单位：中国自动化学会控制理论专业委员会
• 学会名称：中国自动化学会控制理论专业委员会
• 页数：6
• 文件大小：419k
• 原文格式：D
• 会议级别：全国

摘要

Commercial piezoelectric actuated stages usually has been decoupling designed from the mechanical structure. This paper develops a piezoelectric actuated stage(P-563.3CD) experiment platform. Observed cross-coupling effect in the piezostage is below 1%. In order to improve the performance of piezo-stage in a further step, a multi-channel Hammerstein model is developed to describe the cross-coupling nonlinearity. Further more, the position voltage is introduced into Hammerstein model to modify the performance of the proposed approach. To the end, verification experiments are exhibited.
Commercial piezoelectric actuated stages usually has been decoupling designed from the mechanical structure. This paper develops a piezoelectric actuated stage(P-563.3CD) experiment platform. Observed cross-coupling effect in the piezostage is below 1%. In order to improve the performance of piezo-stage in a further step, a multi-channel Hammerstein model is developed to describe the cross-coupling nonlinearity. Further more, the position voltage is introduced into Hammerstein model to modify the performance of the proposed approach. To the end, verification experiments are exhibited.

引文

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