两类基于阶跃响应和脉冲响应的模型降阶方法

Journal of Applied Sciences ›› 2002, Vol. 20 ›› Issue (3): 263-266.

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Order Reduction Methods Based on Step Response and Impulse Response

TANG Wei^1,2, SHI Song-jiao¹, WANG Meng-xiao²

1. Automation Department, Shanghai Jiaotong University, Shanghai 200030, China;
2. Automation Department, Northwest Institute of Light Industry, Xianyang 712081, China

Received:2001-03-27 Revised:2001-12-13 Online:2002-09-30 Published:2002-09-30

Abstract

Abstract: By applying the basic principles of step response modeling and moment modeling, two classes of order reduction methods-the graphical method and the moment method-are obtained respectively. A detailed analysis of and comparison between the approximating abilities of the low models resulting from the two proposed order reduction methods is made by a large number of simulations.

Key words: moment order reduction method, model parameters, model reduction, graphical order reduction method

CLC Number:

TP273

TANG Wei, SHI Song-jiao, WANG Meng-xiao. Order Reduction Methods Based on Step Response and Impulse Response[J]. Journal of Applied Sciences, 2002, 20(3): 263-266.

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Order Reduction Methods Based on Step Response and Impulse Response

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