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In order to strengthen engineering background of theory teaching of mechanical major, a virtual experiment platform based on LabVIEW for fault diagnosis of rotating machinery is developed. It can be used as engineering examples demonstration in theory teaching. Additionally, It can be connected with testing system through the interface of NI-DAQ to complete mechanical fault simulation, acquisition...
This paper presents fault diagnosis method in aluminum electrolysis based on Modified Elman Neural Network. According to the mechanism of fault occurring in aluminum electrolysis, time and type of fault is determined by neural network. Simulation results show that the fault diagnosis method based on Modified Elman Neural Network can predict fault during aluminum electrolysis rapidly and accurately...
Considering the issues that the relationship between the fault of screw oil pump existent and fault information is a complicated and nonlinear system, and it is very difficult to found the process model to describe it. The support vector machine (SVM) has the ability of strong nonlinear function approach and the ability of strong generalization and also has the feature of global optimization. In this...
Considering the issues that the relationship between the fault of screw oil pump existent and fault information is a complicated and nonlinear system, and the wavelet neural network has the advantages of both wavelet analysis and neural network, a fault diagnosis system with self-repair function for screw oil pump based on wavelet neural network is presented in this paper. Moreover, we adopt a method...
Statistical learning theory is introduced to fault detection of oil pump. Considering the issues that the relationship between the fault of oil pump existent and fault information is a complicated and nonlinear system, and it is very difficult to found the process model to describe it. The support vector machine (SVM) has the ability of strong nonlinear function approach and the ability of strong...
Condition diagnose mode is one of the key steps in carrying out electric equipments condition maintenance. Based on the concept and theory of immunity in bioscience and simulation of the eliminating function of immune antibody system to antigen, this paper analyses the relationship between matrix singular value decomposition with the formal model of antigen-antibody combination. Then authors put forward...
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