摘要
在对典型跟踪微分器深入研究的基础上,提出一种改进的非线性跟踪微分器.该跟踪微分器综合了线性跟踪微分器和非线性跟踪微分器的优点,不但无颤振现象,而且具有良好的动态响应和较强的滤波能力,兼顾了快速性和准确性的要求,可实现任意信号的跟踪和微分.该跟踪微分器形式简单、易于实现.仿真结果表明,改进型非线性跟踪微分器具有优良的性能.
An improved tracking differentiator（ITD） is proposed based on the study of typical tracking differentiators （TD）. Integrating the merits of linear TD and nonlinear TD together, ITD not only has no chattering phenomenon, but also has excellent dynamic responses and strong filtering performance. Both tracking and differentiation can be realized conveniently for any signals by using ITD. It has simple form and is easy to implement in engineering. Simulation results show that the algorithm presented has excellent performance.
出处
《控制与决策》
EI
CSCD
北大核心
2008年第6期647-650,659,共5页
Control and Decision
基金
国防预研基金项目(Z172004A001)
关键词
跟踪微分器
非线性
线性
滤波
Tracking differentiator
Nonlinearity
Linearity
Filtering
