RESEARCH ON THE METHODS OF DETECTING AND REMOVING SLIDE VALVE FAILURE

被引：2
|
作者：
李伟
李伟波
吴根茂
魏建华
机构：
来源：
Journal of Zhejiang University Science | 2000年 / 01期
关键词：
fault tolerant control; failure diagnosis; trouble removal; slide valve; hydraulic sticking;
D O I：
暂无
中图分类号：
TH165 [柔性制造系统及柔性制造单元];
学科分类号：
080202 ;
摘要：
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.
引用
收藏
页码：59 / 63
页数：5
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