The Simplest Identification Model of an Asymmetric Hydraulic System
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概要
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A single-rod cylinder servo system driving a discontinuous load is a 4th-order nonlinear system. It can be simplified as a time-varying 1st-order system for typical low frequency applications. The time-varying parameters of such a system conceal the discontinuous loading effect, uncertainties and transient behavior of a single-rod cylinder and servovalve. To overcome these difficulties, the parameter identification process requires the characteristics of exponential convergence and unbiased parameter estimation. Here, the parameter identification process incorporates the 1st-order ARMAX model with PEDF algorithm. Experiments indicate quantatively that this identification process is superior and more adaptive than high-order ARMA models with RLS algorithm.
- 一般社団法人日本機械学会の論文
- 1996-12-15
著者
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Wang Ying-tsai
Department Of Mechanical Engineering National Taiwan University Of Science And Technology
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Wang Ying-tsai
Department Of Mechanical Engineering National Taiwan Institute Of Technology
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Huang Chih-Hsiung
Department of Mechanical Engineering, National Taiwan Institute of Technology
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Huang Chih-hsiung
Department Of Mechanical Engineering National Taiwan Institute Of Technology
関連論文
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