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Research of Fault Diagnosis of Gas Sensor Based on Information Fusion Technology

WANG Qi-jun~1,CHENG Jiu-long~2(1.Huainan Vocational and Technical College,Huainan 232001,China.2.Shandong University of Science and Technology,Qingdao 266510,China)  
The paper presented an idea of applying information fusion technology based on RBF network in fault diagnosis of gas sensor.Through fusion of related information that influenced gas(density) of(observed) point,and using the comparison between the difference output of high-precision RBF network(approximator) and actual output of gas sensor and the given threshold,this technology(realized) monitoring and diagnosis for fault of gas sensor.Experiment showed that the state monitoring and fault(diagnosis) of gas sensor could be done effectually by this technology.
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