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首页> 外文期刊>IEEE transactions on automation science and engineering >An Improved Mixed Integer Programming Approach for Multi-Hoist Cyclic Scheduling Problem
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An Improved Mixed Integer Programming Approach for Multi-Hoist Cyclic Scheduling Problem

机译:多提升循环调度问题的一种改进的混合整数规划方法

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摘要

This paper addresses the single-track multi-hoist cyclic scheduling problem. In most existing studies, loaded hoist moves are implicitly or explicitly assumed to start and end within the same cycle. We give a counterexample to demonstrate that the optimal solution obtained with such an assumption is not necessarily the best one among all feasible solutions, called globally optimal solution. To obtain a globally optimal solution, we propose an improved mixed integer programming (MIP) approach for the multi-hoist cyclic scheduling problem with relaxation of the above assumption. Computational results on benchmark and randomly generated instances are reported and analyzed.
机译:本文解决了单轨多吊循环调度问题。在大多数现有研究中,隐式或显式地假定加载的葫芦移动在同一周期内开始和结束。我们给出了一个反例,以证明通过这种假设获得的最优解不一定是所有可行解中的最佳解,称为全局最优解。为了获得全局最优的解决方案,我们提出了一种改进的混合整数规划(MIP)方法,在上述假设松弛的情况下解决了多提升循环调度问题。报告并分析了基准和随机生成实例的计算结果。

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