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热风回流焊机的子空间模型辨识

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摘要 子空间模型辨识方法(SMI)是一类新兴的直接估计线性状态空间模型的黑箱建模方法,和传统的线性建模方法相比,SMI的优势不仅在于算法本身的简单可靠,也在于它的状态空间表达。本文首先简要介绍SMI的基本思想和3种基本算法(N4SID,MOESP,CVA)。然后将这类方法应用于热风回流焊机的模型辨识,同时对3种SMI基本算法和一种传统辨识算法—预测误差方法(PEM)进行了研究对比。
出处 《仪器仪表用户》 2009年第1期128-129,共2页 Instrumentation
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