An Improved Self-Adaptive Tracking Differentiator

被引：0
|
作者：
Qiao, Guohui [1 ]
Sun, Minglei [1 ]
Zhang, Rong [1 ]
Zong, Guanghua [1 ]
Li, Shouzhong [1 ]
机构：
[1] Beijing Univ Aeronaut & Astronaut, Sch Mech Engn & Automat, Beijing 100083, Peoples R China
来源：
ICIA: 2009 INTERNATIONAL CONFERENCE ON INFORMATION AND AUTOMATION, VOLS 1-3 | 2009年
关键词：
Items-Uncertain model; nonlinear tracking differentiator; self-adaptive control; switching function;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The performance of traditional Tracking Differentiator (TD) will decline when it tracks great changing signals. This paper presents a novel self-adaptive second-order TD which can automatically adjust its tracking rate based on the feedback of differential signals. The result of simulation and experiment showed that this algorithm could effectively restrain oscillations when input signals changed in a low rate, and guarantee a small phase shift when the input signals varied rapidly.
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页码：959 / 963
页数：5
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