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新型离散跟踪-微分器的设计与分析
引用本文:王新华,陈增强,袁著祉.新型离散跟踪-微分器的设计与分析[J].高校应用数学学报(英文版),2003,18(2):214-222.
作者姓名:王新华  陈增强  袁著祉
作者单位:Wang Xinhua Chen Zengqiang Yuan ZhuzhiDept. of Automation,Nankai Univ.,Tianjin 300071,China.
基金项目:Supported by the National Natural Science Foundation of China (6 0 1 740 2 1 ) and Tianjin Key NaturalScience Foundation(0 1 3 80 0 71 1 )
摘    要:§ 1  IntroductionAt present,difference method is often used forcomputing the differential coefficientofsignals.Since the error of this method is very obvious,it is not adapted to the systems ofhigh precision.There is a nonlinear tracking-differentiator(T-D) given in paper1 ] ,whose precision is quite better than thatwith difference method.Itchanges the situation ofconsistent use of difference method.The designed tracking-differentiator has an analyticsolution,and has been applied to many …

收稿时间:24 June 2002

Design and analysis for new discrete tracking-differentiators
Wang?Xinhua,Chen?Zengqiang,Yuan?Zhuzhi.Design and analysis for new discrete tracking-differentiators[J].Applied Mathematics A Journal of Chinese Universities,2003,18(2):214-222.
Authors:Wang Xinhua  Chen Zengqiang  Yuan Zhuzhi
Institution:(1) Dept. of Automation, Nankai Univ., 300071 Tianjin, China
Abstract:In this paper,some kinds of linear and nonlinear tracking-differentiators are designed by using suitable exponent functions instead of switch functions,and the stability of these tracking-differentiators is proved.From the result of simulations,it is manifest that the tracking speeds of these kinds of linear and nonlinear tracking-differentiators are very high,and their design procedures are simple.
Keywords:linear tracking-differentiator  nonlinear tracking-differentiator  stability  switch function  
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