Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Jia, Limin"'
Publikováno v:
International Journal of Digital Content Technology and its Applications. 4:135-141
The method of improved wavelet transform neural network based on hybrid GA(genetic algorithm) is presented to diagnose rolling bearings faults in this paper. Genetic Artificial Neural Networks(GA-ANN) overcomes BP neural network’s fault of slow con
Publikováno v:
IFAC Proceedings Volumes. 41:6446-6451
In general, the first and the most important step in system analysis, prediction and control is the proper model of the system. In order to design the controller of nonlinear electrohydraulic system, several modeling techniques are proposed: the tran
Publikováno v:
Applied Artificial Intelligence. 21:1-10
In order to overcome the shortcomings of the methods in railway passenger traffic volume prediction, an improved BP neural network method is adopted to predict railway passenger traffic volume. By analyzing the improved BP neural network theory, the
Publikováno v:
Proceeding of the 11th World Congress on Intelligent Control and Automation.
In order to prioritize the facilitate maintenance and inspection plan, fault propagation paths of large complex systems is researched. By network modeled for large-scale system, the state equation of the network vertices is established. According to
Publikováno v:
TELKOMNIKA Indonesian Journal of Electrical Engineering. 12
In this article, an efficient method is proposed to diagnose urban rail vehicle auxiliary inverter faults based on wavelet packet neural network and genetic algorithm. Firstly, the original signals are decomposed into different frequency subbands by
Publikováno v:
2013 IEEE International Conference on Intelligent Rail Transportation Proceedings.
To detect the rolling bearings fault of metro vehicle, a method combined wavelet packet with RBF neural network is proposed in this paper. Firstly, wavelet denoising is performed for the vibration signal to remove invalid signal. And then, energy cha
Publikováno v:
2010 2nd International Conference on Advanced Computer Control.
The electrohydraulic servo system of a certain type of mines weeping plough is a complex and nonlinear system. It is difficult to construct its accurate model by first principle method and to achieve satisfactory control performance by traditional PI
Publikováno v:
Mathematical Problems in Engineering, Vol 2010 (2010)
The automatic depth control electrohydraulic system of a certain minesweeping tank is complex nonlinear system, and it is difficult for the linear model obtained by first principle method to represent the intrinsic nonlinear characteristics of such c
Publikováno v:
2009 Fourth International Conference on Computer Sciences and Convergence Information Technology.
This study focuses on quantitative correlation problem of four Railway Parcel traffic parameters: Number of Initial trains (NIT), GDP of cities, Number of Parcel Traffic Agencies (NPTA) and Number of Parcel traffic Nodes (NPTN). It can be seen as a m
Publikováno v:
2008 27th Chinese Control Conference.
This paper indicates a simulation-mechanism-based classification method for computational intelligence by reviewing on instincts of CI and existed classification methods. Therefore, the organic mechanism simulation class is discussed, as well as nonl