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CLC number: TH165+.3;TH137.5
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Received: 1998-12-08
Revision Accepted: 1999-05-20
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Cited: 2
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RESEARCH ON THE METHODS OF DETECTING AND REMOVING SLIDE VALVE FAILURE
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LI Wei, LI Wei-bo, WU Gen-mao, WEI Jian-hua. RESEARCH ON THE METHODS OF DETECTING AND REMOVING SLIDE VALVE FAILURE[J]. Journal of Zhejiang University Science A, 2000, 1(1): 56-60.
@article{title="RESEARCH ON THE METHODS OF DETECTING AND REMOVING SLIDE VALVE FAILURE",
author="LI Wei, LI Wei-bo, WU Gen-mao, WEI Jian-hua",
journal="Journal of Zhejiang University Science A",
volume="1",
number="1",
pages="56-60",
year="2000",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2000.0056"
}
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%A LI Wei-bo
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%J Journal of Zhejiang University SCIENCE A
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2000.0056
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T1 - RESEARCH ON THE METHODS OF DETECTING AND REMOVING SLIDE VALVE FAILURE
A1 - LI Wei
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A1 - WEI Jian-hua
J0 - Journal of Zhejiang University Science A
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2000.0056
Abstract: Various ways for detecting slide valve failure are discussed in the paper. Specifically, a new method for detecting slide valve sticking state is first presented. The method does not depend on any special sensor and is only based on the detection of oscillation current wave within a valve coil. Results of theoretical analysis and experimental research are given for comparison. In order to remove a slide valve sticking online, a concept and method of "electrical hammer" is introduced. At last, an application example of the methods is discussed. In fact, it is an electro-hydraulic turbine system with failure diagnosis, fault-tolerant and trouble removal functions.
[1]Liou Xihui, 1987. Static and dynamic characteristic of proportional control amplifier and proportional electromagnet. Master thesis, Hangzhou, Zhejiang University.
[2]Li wei, Wang Ruiming, Ge Yiyuan, 1997. Research on the Method of Removing Spool Sticking Online. '97 ICFP. International academic publishers, Beijing, p.485-489.
[3]Lu Yongxiang,Hu Dahong,1988. Electro-hydraulic Proportional Control Technique, Publishing Company of Mechanical Industry,Beijing,p.56-66.
[4]Wang Ruiming,1998. Study on the control system of ASIC-PLC based on water turbine velometer.Master's thesis,Huangzhou,Zhejiang University
[5]Wei Jianhua,Lu Yongxiang,Wu Genmao,1995. Fault-tolerant Based Electro-hydraulic Executive Device of Steam Turbine.Power Engineering,15(4): 15-18.
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