WANG Bing, ZHANG Hong-quan, SONG Kai etc. Fault diagnosis based on knowledge pushing in multi-sensor integration hydrogen detection system[J]. Editorial Office of Optics and Precision Engineering, 2015,23(6): 1742-1748
WANG Bing, ZHANG Hong-quan, SONG Kai etc. Fault diagnosis based on knowledge pushing in multi-sensor integration hydrogen detection system[J]. Editorial Office of Optics and Precision Engineering, 2015,23(6): 1742-1748 DOI: 10.3788/OPE.20152306.1742.
Fault diagnosis based on knowledge pushing in multi-sensor integration hydrogen detection system
As multi-sensor integration hydrogen detection systems can not diagnose the working state by itself
an expert system of fault diagnosis based on knowledge was analyzed and a fault diagnosis method based on knowledge management and knowledge pushing was proposed. The hierarchical structure of the fault diagnosis method used in the multi-sensor integration hydrogen detection system was investigated. On the basis of the principle of expert systems
the texture of expert system based on knowledge pushing actively was presented. After the fault modes were analyzed
a knowledge base fault diagnosis design was discussed. Then the method and step of inference engine based on knowledge pushing actively were researched by its established model. Finally
the fault diagnosis unit for multi-sensor integration hydrogen detection system based on knowledge pushing was designed. Experimental results indicate that the fault diagnosis accuracy rate of the proposed method reaches above 97%
which verifies the effectiveness of the method. It can transfer initiatively the knowledge to the decision-maker at opportune moment
and improve the speed and accuracy rate of fault diagnosis.
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references
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