| 电子仪器状态检测与典型故障的虚拟诊断技术 |
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| 引用本文： | 沈英才,蔡红立.电子仪器状态检测与典型故障的虚拟诊断技术[J].河北科技大学学报,2007,28(2):138-141,146. |
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| 作者姓名： | 沈英才 蔡红立 |
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| 作者单位： | 1. 河北科技大学电气信息学院,河北石家庄,050054
2. 河北科技大学信息科学与工程学院,河北石家庄,050054 |
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| 摘 要： | 根据电子仪器的特点,提出了虚拟故障诊断概念。它不需要故障诊断电路和接口,是依据电子仪器测控系统的本身特点和其相关量,采用微电脑编程技术判断故障的方法,能实现对过程通道及传感器和执行器的自诊断。实践证明该方法经济、可靠、简单、易行。
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| 关 键 词： | 虚拟诊断 故障 控制 测量 相关 |
| 文章编号： | 1008-1542（2007）02-0138-04 |
| 收稿时间： | 2006/7/6 0:00:00 |
| 修稿时间： | 2006-07-062007-01-08 |
Virtual diagnosis of typical faults of electronic instrument after its state detection |
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| SHEN Ying-cai and CAI Hong-li.Virtual diagnosis of typical faults of electronic instrument after its state detection[J].Journal of Hebei University of Science and Technology,2007,28(2):138-141,146. |
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| Authors: | SHEN Ying-cai and CAI Hong-li |
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| Institution: | 1. College of Electronic Engineering and Information Science, Hebei University of Science and Technology, Shijiazhuang Hebei 050054,China;2. College of Information Science and Engineering, Hebei University of Science and Technology, Shijiazhuang Hebei 050054 ,China |
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| Abstract: | We put forward the concept of virtual diagnosis(self-detection) based on the very characteristics of the electronic instrument.It needs no special diagnosing circuits or interfaces,only working with the programs preset in a microcomputer which will realize self-diagnosis for various channels in process,sensors and also actuators.This technique is proved in real production to be very convenient,economical,reliable,and thus practical. |
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| Keywords: | virtual diagnosis fault control measurement correlation |
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