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跟踪微分器参数与输入输出信号幅值频率关系
引用本文:朱承元,杨涤,荆武兴.跟踪微分器参数与输入输出信号幅值频率关系[J].电机与控制学报,2005,9(4):376-379,383.
作者姓名:朱承元  杨涤  荆武兴
作者单位:哈尔滨工业大学,航天工程系,黑龙江,哈尔滨,150001;哈尔滨工业大学,航天工程系,黑龙江,哈尔滨,150001;哈尔滨工业大学,航天工程系,黑龙江,哈尔滨,150001
基金项目:国防科工委计划预研项目
摘    要:针对二阶非线性离散跟踪微分器的跟踪和滤波参数、正弦输入信号幅值和频率、正弦输出信号幅值及采样时间之间的关系进行了研究。利用Matlab工具,得到了这些参数之间的近似函数方程,并给出了统一形式的表达式。研究结果对跟踪微分器参数的选择及进一步应用具有重要价值。

关 键 词:自抗扰控制器  跟踪微分器  离散系统  输入输出特性  幅频特性
文章编号:1007-449X(2005)04-0376-04
修稿时间:2004年3月2日

Relation equations among the parameters of tracking-differentiator and the amplitude and frequency of its input-output signals
ZHU Cheng-yuan,YANG Di,JING Wu-xing.Relation equations among the parameters of tracking-differentiator and the amplitude and frequency of its input-output signals[J].Electric Machines and Control,2005,9(4):376-379,383.
Authors:ZHU Cheng-yuan  YANG Di  JING Wu-xing
Abstract:The relation among the tracking and filtering parameters of the nonlinear second - order discrete - time Tracking - Differentiator, and amplitude and frequency of its sinusoidal input - output signals and sample time was studied extensively. Relation equations of these parameters were obtained approximately by Matlab. A general expression was presented finally. Numerical simulation showed the effectiveness of the approximate equations. It is of great importance to select the parameters of Tracking - Differentiator and to apply it to practice further.
Keywords:active disturbance rejection controller  tracking - differentiator  discrete - time systems  in- put-output characteristic  amplitude -frequency characteristic
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