Parallel-machine scheduling with an availability constraint

被引:24
|
作者
Zhao, Chuanli [2 ]
Ji, Min [1 ]
Tang, Hengyong [2 ]
机构
[1] Zhejiang Gongshang Univ, Contemporary Business & Trade Res Ctr, Sch Comp Sci & Informat Engn, Hangzhou 310018, Zhejiang, Peoples R China
[2] Shenyang Normal Univ, Sch Math & Syst Sci, Shenyang 110034, Liaoning, Peoples R China
基金
中国国家自然科学基金;
关键词
Scheduling; Machine availability constraint; Parallel machine; FPTAS; JOB COMPLETION TIMES; SUM;
D O I
10.1016/j.cie.2011.05.009
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
We consider two parallel machines scheduling problem where one machine is not available in a specified time period. The unavailable time period is fixed and known in advance. The objective is to minimize the total weighted completion time. The problem is known to be NP-hard. We give a fully polynomial-time approximation scheme (FPTAS) for the problem. We then generalize the results to the case with m parallel machines. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:778 / 781
页数:4
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