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Title: On the design of adaptive derivative estimator using variable structure techniques
Authors: Xu, Jian-Xin 
Heng, Lee Tong 
Mao, Wang
Issue Date: 1995
Citation: Xu, Jian-Xin,Heng, Lee Tong,Mao, Wang (1995). On the design of adaptive derivative estimator using variable structure techniques. Proceedings of the American Control Conference 1 : 529-533. ScholarBank@NUS Repository.
Abstract: This paper is concerned with a novel kind of signal derivative estimators. Based on the concept of Variable Structure Systems (VSS) and by introducing of adaptive techniques, we propose a new derivative estimator which possesses properties of filtering and obtaining derivatives of the observed signals in the presence of the measurement noise. The convergence of the proposed derivative estimator is guaranteed by means of the equivalent control. An adaptive algorithm is also incorporated to remove the requirement for the a priori knowledge about the boundary of the observed signal. The proposed derivative estimator shows the property of adapting to the noise parametric changes in an unpredictable way.
Source Title: Proceedings of the American Control Conference
ISSN: 07431619
Appears in Collections:Staff Publications

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