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Optimal weighting design for distributed parameter systems estimation

机译:分布式参数系统估计的最优加权设计

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摘要

This paper presents a method which aims at improving parameter estimation in dynamical systems. The general principle of the method is based on a modification of the least-squares objective function by means of a weighting operator, in view to improve the conditioning of the identification problem. First we recall a previous work using variational calculus in order to obtain the weighting operators through a linear equation. Then we propose a new approach which consists of determining the weights by formulating an optimization problem including positive semidefinite constraints (linear matrix inequalities, LMI).
机译:本文提出了一种旨在改善动力学系统参数估计的方法。该方法的一般原理基于借助于加权算子对最小二乘目标函数的修改,以改善识别问题的条件。首先,我们回想起以前使用变分演算的工作,以便通过线性方程式获得加权算子。然后,我们提出了一种新方法,该方法包括通过制定包括正半定约束(线性矩阵不等式,LMI)的优化问题来确定权重。

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