Least squares based iterative estimation for multi-input output-error systems using the data filtering
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摘要
This paper considers the parameter estimation for multi-input output error autoregressive(OEAR) systems. The main contribution of this paper is to propose iterative algorithms for multi-input OEAR systems using the data filtering technique.Firstly, a least squares iterative(LSI) identification algorithm is given for multi-input OEAR systems as a comparison. Secondly,we transform an OEAR system into two identification models and present a data filtering based least squares iterative(F-LSI)identification algorithm. Finally, an illustrative simulation example is provided to test the proposed algorithms, the simulation results indicate that the F-LSI identification algorithm can produce more accurate parameter estimates than the LSI identification algorithm.
This paper considers the parameter estimation for multi-input output error autoregressive(OEAR) systems. The main contribution of this paper is to propose iterative algorithms for multi-input OEAR systems using the data filtering technique.Firstly, a least squares iterative(LSI) identification algorithm is given for multi-input OEAR systems as a comparison. Secondly,we transform an OEAR system into two identification models and present a data filtering based least squares iterative(F-LSI)identification algorithm. Finally, an illustrative simulation example is provided to test the proposed algorithms, the simulation results indicate that the F-LSI identification algorithm can produce more accurate parameter estimates than the LSI identification algorithm.
引文
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