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Adaptive Modified Input and State Estimation for Linear Discrete-Time System with Unknown Inputs

机译:输入未知的线性离散系统的自适应修正输入和状态估计

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摘要

This paper is concerned with the problem of simultaneously estimating the state and the input of a linear discrete-time system. In order to improve the accuracy of estimation, a reasonable assumption about the unknown input is proposed. Based on this assumption, a modified input estimation is obtained, and then the optimal state estimation is derived strictly. Moreover, in order to effectively deal with the possible saltations of the unknown input, an adaptive estimation method is also developed. Simulation results illustrate the effectiveness and applicability of the proposed approach.
机译:本文涉及同时估计线性离散时间系统的状态和输入的问题。为了提高估计的准确性,提出了关于未知输入的合理假设。基于此假设,获得修改后的输入估计,然后严格导出最佳状态估计。此外,为了有效地处理未知输入的可能出现的问题,还开发了一种自适应估计方法。仿真结果说明了该方法的有效性和适用性。

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