首页> 外文会议>2012 IEEE control and system graduate research colloquium >Trajectory ZPETC design using comparing coefficients method: The studies on the effects of zero locations to tracking performance
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Trajectory ZPETC design using comparing coefficients method: The studies on the effects of zero locations to tracking performance

机译:使用比较系数法设计弹道ZPETC:零位置对跟踪性能影响的研究

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摘要

Hydraulic actuator has been widely used in industrial applications because of it properties exhibiting linear movements, fast response, smooth reversal and accurate positioning of heavy load. The integration of electronic and hydraulic technology has becoming increasingly common for precision positioning. Reducing the position tracking error of the hydraulic actuator is a challenging task but advances in control strategies have resulted in cylinders that transmit high forces with a high degree of positioning accuracy. This paper presented the design of ZPETC parameters using comparing coefficients method and studies the effects of zero locations to tracking performance. The plant model used was approximated from input-output experimental data using Matlab system identification toolbox. In order to have 2 plant models with different zero locations, 2 different sampling times were used. The studies show that tracking performance is good when the zero is far from the unity circle.
机译:液压执行器由于其线性运动,快速响应,平稳的反向和重载的精确定位等特性而被广泛用于工业应用。电子和液压技术的集成对于精确定位变得越来越普遍。减小液压致动器的位置跟踪误差是一项艰巨的任务,但是控制策略的进步已导致液压缸以很高的定位精度传递高力。本文采用比较系数法介绍了ZPETC参数的设计,并研究了零位置对跟踪性能的影响。使用Matlab系统识别工具箱从输入-输出实验数据中近似使用的工厂模型。为了使2个工厂模型的零位不同,使用了2个不同的采样时间。研究表明,当零远离统一圆时,跟踪性能会很好。

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