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Ship power system continuously expanding its scale makes simulation test to grow its importance for the safety evaluation. This platform integrates object-oriented technology, visualization technology and database technology to build ship power system graphical simulation platform. We establish the simulation model of ship power system component by using object-oriented technology. The user just needs...
In this paper, we first have compared the virtual reality substation simulation with the traditional substation simulation in visualization. We know that the virtual reality substation simulation is necessary. Because the traditional substation simulation has the low efficiency in creating the virtual reality substation simulation, this paper gives the new mode which it is based on the components...
This article first established the new mode. The new mode is based on the components and the virtual reality simulation engine is the kernel of it. As the same time, it gives the frame construction of the virtual reality simulation engine and illustrates the functions of components in the frame construction. The aim is to improve the development efficiency of the virtual reality substation simulation...
A novel 3D model segmentation and retrieval method was introduced in this paper that is based on the topological information and partial geometry features of 3D mode. The proposed algorithm extracts feature for every triangular piece using flatness of a triangular, and partitions the 3D model into a set of triangular pieces with different flatness. Then, a watershed-based algorithm is developed and...
According to the sales forecasting problems of financial equipments,on the basis of radial basis function (RBF, for short) theory, a nonlinear combination forecasting model is established based on RBF neural network by transforming a nonlinear mapping(input layer to hidden layer) to linear mapping in another space, this model greatly improves learning speed of neural networks, avoids local optimum...
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