Improving the Rapidity of Nonlinear Tracking Differentiator via Feedforward

	Improving the Rapidity of Nonlinear Tracking Differentiator via Feedforward
	Tian D. P.; Shen H. H.; Dai M.
	2014
发表期刊	Ieee Transactions on Industrial Electronics
ISSN	ISBN/0278-0046
卷号	61 期号:7 页码:3736-3743
摘要	Differential of a signal is required for high-performance motion control and many other fields. Nonlinear tracking differentiator (NTD) is a feasible solution; however, it is limited in achieving better practical effect because of the problem of phase lags. This paper proposes a new idea of design with feedforward. By the feedforward of an input signal in solving the equations of the differentiator, differential estimate is more accurate. The proposal is simple; however, it provides an additional freedom in the design of a differentiator. This idea extends the theoretical structure of NTD. Moreover, it improves the practical effect of the differentiator. The application experiments are implemented in a servo system. Compared to the traditional NTD, the L-2 norm of the servo error is reduced by 88% in a fast motion when the proposal is used. The validity is confirmed.
收录类别	SCI ; EI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/44072
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Tian D. P.,Shen H. H.,Dai M.. Improving the Rapidity of Nonlinear Tracking Differentiator via Feedforward[J]. Ieee Transactions on Industrial Electronics,2014,61(7):3736-3743.
APA	Tian D. P.,Shen H. H.,&Dai M..(2014).Improving the Rapidity of Nonlinear Tracking Differentiator via Feedforward.Ieee Transactions on Industrial Electronics,61(7),3736-3743.
MLA	Tian D. P.,et al."Improving the Rapidity of Nonlinear Tracking Differentiator via Feedforward".Ieee Transactions on Industrial Electronics 61.7(2014):3736-3743.

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