Model based algebraic fractional order differentiator using Laplace transform

Jia-Chang Wang,Da-Yan Liu,Driss Boutat,Yong Wang,Xue-Feng Zhang

2021 9th International Conference on Systems and Control (ICSC)（2021）

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摘要

The fractional derivative estimation of the output for a class of fractional order linear systems is investigated in this paper. Firstly, an annihilator is designed in the frequency domain by using Laplace transform, which ensures the unknown initial conditions can be eliminated. Then, the fractional order differentiator is implemented in an algebraic formula using a recursive way. The proposed fr...

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关键词

non-asymptotic method,model-based estimation,algebraic parametric method,fractional order differentiator,pseudo-state space model

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