| 基于驱动端线圈电流电磁阀缓变失效分类识别方法 |
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| 引用本文： | 马鑫,张东来,徐殿国.基于驱动端线圈电流电磁阀缓变失效分类识别方法[J].煤炭学报,2009,34(5):711-716. |
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| 作者姓名： | 马鑫 张东来 徐殿国 |
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| 作者单位： | 哈尔滨工业大学 深圳研究生院，广东 深圳,518055 |
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| 摘 要： | 研究了地下综采工作面液压支架电液控制系统用本安液压电磁阀缓变失效状态定性分类识别方法.分析了电磁阀电磁机构机械运动特性及电特性、电磁阀线圈电流暂态过程特性，给出2种电磁阀在2种极端状态下的线圈电流实际波形.通过加速寿命实验获取2种电磁阀线圈电流缓变失效过程数据，利用小波变换、基于模板匹配差分信号范数及基于差分信号范数的云理论方法提取电磁阀线圈电流的缓变失效特征，并通过神经网络实现了对2种电磁阀缓变失效过程的状态属性分类识别.
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| 关 键 词： | 电磁阀 缓变失效 小波变换 云理论 |
| 收稿时间： | 2009-01-07 |
Coil current based qualitative classification and recognition of electromagnetic valve degradation failure |
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| MA Xin,ZHANG Dong-lai,XU Dian-guo.Coil current based qualitative classification and recognition of electromagnetic valve degradation failure[J].Journal of China Coal Society,2009,34(5):711-716. |
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| Authors: | MA Xin ZHANG Dong-lai XU Dian-guo |
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| Affiliation: | 1.Shenzhen Graduate School;Harbin Institute of Technology;Shenzhen 518055;China;2.School of Electrical Engineering and Automation;Harbin 150001;China |
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| Abstract: | The degradation failure qualitative classification and recognition method for intrinsically safe electromagnetic valve used in underground fully-mechanized face control system was investigated.Through analysis of the mechanical kinematical character of electromagnetic actuator in the electromagnetic valve,the electrical character model of moveable core for the electromagnetic valve was obtained and analyzed,so the character of coil current under the normal and fault states was analyzed,and the real current ... |
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| Keywords: | electromagnetic valve degradation failure wavelet transform cloud method |
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