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Real-Time Error-Feedback Output Regulation of Nonhyperbolically Nonminimum Phase System

机译:非双曲非最小相位系统的实时误差反馈输出调节

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摘要

A real time implementation of an error feedback output regulation problem for the gyroscopical platform is presented here. It is based on a numerical method for the solution of the so-called regulator equation. The regulator equation consists of partial differential equations combined with algebraic ones and arises when solving the output-regulation problem. Error-feedback output regulation problem aims to find a dynamic feedback compensator using only tracking error measurements to ensure tracking given reference and/or rejecting unknown disturbance. Solving the regulator equation is becoming difficult especially for the non-minimum phase systems where reducing variables against algebraic part leads to possible unsolvable differential part. The proposed numerical method is based on the successive approximation of the differential part of the regulator equation by the finite-element method while trying to minimize functional expressing the error of its algebraical part. This solution is then used to design real-time controller which is successfully experimentally tested.
机译:本文介绍了陀螺平台的误差反馈输出调节问题的实时实现。它基于一种数值方法来求解所谓的调节器方程。调节器方程由偏微分方程和代数方程组成,在解决输出调节问题时会出现。误差反馈输出调节问题旨在仅使用跟踪误差测量来找到动态反馈补偿器,以确保跟踪给定的参考和/或抑制未知干扰。求解调节器方程变得越来越困难,特别是对于非最小相位系统而言,在非最小相位系统中,针对代数部分的变量减小可能导致不可解的微分部分。所提出的数值方法是基于有限元法对调节器方程的微分部分进行逐次逼近,同时试图使表示其代数部分误差的函数最小化。然后,该解决方案用于设计实时控制器,该控制器已成功进行了实验测试。

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