システム制御情報学会論文誌
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
論文
有色出力雑音を有する一入力一出力システムに対する固有ベクトル法を用いたパラメータ同定法
小松 信雄
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ジャーナル フリー

2020 年 33 巻 3 号 p. 95-103

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A new algorithm is proposed to estimate parameters of Single-Input Single-Output system with colored output noise using eigenvector method. The algorithm is an expansion of the previously proposed algorithms proposed by the author with iterative estimation of the variances of noises. The newly proposed algorithm uses an iterative calculation and it consists of two parts. One part is the estimation of the system parameters using the variances and autocovariances of output noises. And it is assumed that the input noises are white Gausian noise with very small variances. The estimation of the system parameters is one of the least squares identification algorithms using eigenvector. The other part is the estimation of the variance and autocovariace of output noises using the estimated system parameters. Some simulations show the effectiveness of the proposed method.

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