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High-speed train control system is one complex security system with lots of functions, which means that it is necessary to build up high-speed train control system simulation & testing integration platform to start function and system verification and validation (V&V). In this paper, key techniques of high-speed train control system simulation & testing integration platform are studied;...
In this paper, a simulation method of repairable one-unit system’s reliability and spare requirement under preventive maintenance especially preventive maintenance with periodic testing is discussed. Simulating model is develop to solve the multi-objective constrained optimization problem of maximizing system availability and minimizing maintenance cost under constrains of repair time, test interval,...
This paper presents an expanding products algorithm of logic optimization that is based on multi-input multi-output logic functions. According to input products, we work out complement sets matrix of non-shared products, blocking matrix, covering matrix. For blocking matrix and covering matrix, we get mini column cover sets and upgrade sets based on choice algorithm of mini column cover. Then we form...
CFD numerical simulation has often been performed to analyze the characteristics of the fluid field and design the measurement device like flowmeter. It needs parallel compute to improve the efficiency. The most important factor in distributed computing is cost and the small scale cluster with multi-core CPU is very feasible for parallel computation of CFD simulation. A small scale cluster with multi-core...
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