Extended Gradient-based Iterative Algorithm for Bilinear State-space Systems with Moving Average Noises by Using the Filtering Technique

被引:0
作者
Siyu Liu
Yanliang Zhang
Ling Xu
Feng Ding
Ahmed Alsaedi
Tasawar Hayat
机构
[1] Jiangnan University,Key Laboratory of Advanced Process Control for Light Industry (Ministry of Education), School of Internet of Things Engineering
[2] Henan Polytechic University,School of Physics and Electronic Information Engineering
[3] Wuxi Vocational Institute of Commerce,School of Internet of Things Technology
[4] King Abdulaziz University,Department of Mathematics
来源
International Journal of Control, Automation and Systems | 2021年 / 19卷
关键词
Bilinear system; data filtering; iterative search; parameter estimation; state estimation;
D O I
暂无
中图分类号
学科分类号
摘要
This paper develops a filtering-based iterative algorithm for the combined parameter and state estimation problems of bilinear state-space systems, taking account of the moving average noise. In order to deal with the correlated noise and unknown states in the parameter estimation, a filter is chosen to filter the input-output data disturbed by colored noise and a Kalman state observer (KSO) is designed to estimate the states by minimizing the trace of the error covariance matrix. Then, a KSO extended gradient-based iterative (KSO-EGI) algorithm and a filtering based KSO-EGI algorithm are presented to estimate the unknown states and unknown parameters jointly by the iterative estimation idea. The simulation results demonstrate the effectiveness of the proposed algorithms.
引用
收藏
页码:1597 / 1606
页数:9
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