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In order to solve scheduling scheme of multiple supply points to provide a variety of emergency supplies for multiple hit points under large-scale disasters efficiently, after summarizing the existing research, mathematical model is constructed with the objective to minimize emergency response start time and the number of supply points, and a genetic algorithm to obtain optimal solution is designed...
Cooperative communication with network coding can yield higher system diversity gain and improve the efficiency of cooperation, for which designing the proper and efficient coding coefficients is one key technique for implementation. The important contributions of our work reveal the existence of coding coefficient matrix of order M constructed in GF(M = 2n) and propose practical and effective method...
Job shop scheduling problem is a typical NP-hard problem, most of the existing researches of job-shop scheduling have the following problems: firstly, took various processing parameters of the production systems as the exact uncertainty value; Secondly, took production system as a static system, ignored a variety of unexpected situations of the actual processing. This paper started from the actual...
PSO is a parallel stochastic optimization algorithm with advantages of less parameters and high efficiency. This paper describes the programming problem in the method of two linear tables with discrete and continuous quantity, then uses discrete PSO algorithm to discrete optimization and continuous PSO to optimize continuous quantity in the solving process respectively, based on these proposes the...
Passenger corridors carry high-density passenger volumes and they are intensive superposition sections of passenger OD demands in the transit network. In order to balance supply and demand distribution between different bus routes on the same passenger corridor, the optimization methodology of headways need be studied. This paper set up a bus coordination dispatching model for passenger corridors...
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