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In this paper, we deal with an inspection schedule problem for one-shot systems with two types of units. The interval availability and life cycle cost are used as optimization criteria and estimated by simulation. The optimal starting point of the systems, optimal inspection intervals and the optimal preventive threshold of Type 2 units are determined to minimize the life cycle cost and satisfy the...
In this paper, we deal with a preventive maintenance (PM) scheduling and spare parts problems for a rolling stock system. We determine the optimal PM interval and the optimal number of spare parts for components in the rolling stock system to minimize the system life cycle cost during satisfying the system target availability. The system availability and system life cycle cost are estimated by simulation...
In order to solve the feeble adaptability and the imbalance between random search and local search in the job-shop scheduling problem, a new adaptive genetic algorithm (AGA) was presented in this paper. The superiority of this algorithm was the adaptation achieved by adjusting the crossover rate and mutation rate. At the same time, the search property has been balanced by restricting crossover and...
This paper presents an optimal access points allocation scheme based on genetic algorithm. The proposed allocation scheme provides a set of approximately efficient solutions that allows a wireless device user to choose a compromise access point regarding its capacity, not only regarding its signalling power or service set identifier. In the proposed scheme, all wireless device users can be serviced...
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