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The Filtering Based Maximum Likelihood Recursive Least Squares Parameter Estimation Algorithms for a Class of Nonlinear Stochastic Systems with Colored Noise

Longjin Wang, Shun An, Yan He, and Jianping Yuan*
International Journal of Control, Automation, and Systems, vol. 21, no. 1, pp.151-160, 2023

Abstract : This paper focuses on the maximum likelihood estimation for bilinear systems in the presence of colored noise. The state variables in the model is eliminated and an input-output expression is provided. The input-output data of the system is filtered by an estimated noise transfer function, and the system is transformed into two subsystems. A filtering based maximum likelihood recursive least squares algorithm is proposed to strengthen the identification accuracy and improve computational efficiency. The superior performance of the developed methods are demonstrated by numerical simulations.

Keyword : Bilinear system, data filtering, least squares, maximum likelihood.

 
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