Scheduling of uniform parallel machines with s-precedence constraints

被引:5
作者
Kim, Eun-Seok [1 ]
机构
[1] City Univ London, Cass Business Sch, London EC1Y 8TZ, England
关键词
Uniform parallel machine scheduling; Precedence constraints; Weighted total completion time; Heuristic;
D O I
10.1016/j.mcm.2011.03.001
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
This paper considers a problem of scheduling s-precedence constrained jobs on machines in parallel which have different speeds. The objective is to minimize the weighted total completion time. The s-precedence relation between two jobs i and j represents the situation where job j is constrained from processing until job i starts processing, which is different from the standard definition of a precedence relation where j cannot start until i completes. An LP-based heuristic procedure is derived for the problem. Numerical experiments are conducted to show that the derived heuristic finds effective solutions. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:576 / 583
页数:8
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