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Experiment design for system identification using fractional models of the second kind

机译:使用第二种分数模型进行系统识别的实验设计

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This paper deals with the problem of experiment design in system identification using elementary fractional models of the second type. It is based on a frequency domain approach and answers the question what is the best sine input signal maximizing D-optimality criterion of the Fisher Information Matrix. A single parameter is assumed to be unknown: gain, pseudo-damping factor, natural frequency, or the commensurate differentiation order. Analogy with second order systems, with the differentiation order equal to one, is pointed out. This work extends the previous one (Abrashovet al.,2017) which dealt with elementary fractional systems of the first kind.
机译:本文使用第二类基本分数模型处理系统识别中的实验设计问题。它基于频域方法,并回答了以下问题:什么是使Fisher信息矩阵的D最优准则最大化的最佳正弦输入信号。假定单个参数未知:增益,伪阻尼因子,固有频率或相应的微分阶数。指出了与二阶系统的类比,其中微分阶数等于一。这项工作扩展了先前的研究(Abrashovet al。,2017),该研究涉及第一类基本分数系统。

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