Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 6    No. 2    June 1996

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INTELLIGENT CONTROL FOR ELECTRO-HYDRAULIC PROPORTIONAL POSITION SERVO SYSTEM
Luo An, Gui Weihua

Department of Automatic Control Engineering,Central South University of Technology, Changsha 410083

Abstract:The structure and performance of the electrohydraulic proportional position servo system (EHPPS) were discussed. The intelligent pole placement position control strategy was presented, and its existence was proved. Besides,according to the characteristic of the flow discontinuity for symmetric valve controlling unsymmetric cylinder, a method of digital flow compensation was given. Simulations and experiments showed that the system has good control performance and robustness.

 

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ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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