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压电微定位平台建模及控制方法研究 预览

Study on Modeling and Control Method of Piezoelectric Micropositioning Platform
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摘要 压电陶瓷驱动器本身具有的迟滞特性给微纳操纵技术的发展带来了严重影响,为提高压电微定位平台的高精度轨迹跟踪控制,文章首先从PZT的电学特征及压电微定位平台的动力学特性两方面进行分析,建立了压电微定位平台的数学模型。基于传统PID控制算法,提出了一种自适应模糊PID控制算法,在该算法中充分运用模糊控制理论的方法对PID的3个参数进行在线自调整。实验结果表明,自适应模糊PID控制方法较传统PID控制降低了系统超调量,缩短了系统响应时间。 The hysteresis characteristics of piezoelectric ceramic actuators have a serious impact on the development of micro-nano manipulation technology.For improve the high accuracy trajectory tracking control of piezoelectric micro-positioning platform,Firstly,this paper analyzes the characteristics of piezoelectric ceramic actuators and the dynamic characteristics of piezoelectric micro-positioning platform,and dynamic model of piezoelectric micro-positioning platform is established.Based on the traditional PID control algorithm,an adaptive fuzzy PID control algorithm is proposed,.In this algorithm,three parameters of PID are self-adjusted by using fuzzy control theory.The experimental results show that the control method compared with traditional PID control is largely reduces the system overshoot,shorten the system response time,enhance the anti-interference ability of the system,improve the ability of piezoelectric micro positioning platform locating and tracking.
作者 杨腾飞 胡贞
出处 《仪器仪表用户》 2018年第1期38-42,共5页 Electronic Instrumentation Customer
基金 吉林省教育厅“十二五”科学技术研究项目(20150427).
关键词 压电微定位平台 PID控制 自适应模糊控制 piezoelectric micropositioning platform PID control adaptive fuzzy control
作者简介 杨腾飞(1990-),男,河南商丘人,硕士,研究方向:机器人测控技术。
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