THE DESIGN OF OPTIMAL REDUCED-ORDER STOCHASTIC OBSERVERS FOR DISCRETE-TIME LINEAR-SYSTEMS

被引：0

作者：

PRIEL, B

SOROKA, E

SHAKED, U

机构：

来源：

IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 1991年 / 36卷 / 11期

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D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The minimum variance state estimation of linear discrete-time systems with random white noise input and partially noisy measurements is investigated. An observer of minimal-order is found which attains the minimum-variance estimation error. The structure of this observer is shown to depend strongly on the geometry of the system. This geometry dictates the length of the delays that are applied on the measurements in order to obtain the optimal estimate. The transmission properties of the observer are investigated for systems that are left invertible and free of measurement noise. An explicit expression is found for the transfer function matrix of this observer, from which a simple solution to the linear discrete-time singular optimal filtering problem is obtained.

引用

页码：1300 / 1307

页数：8

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