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工件有优先约束和尺寸的单机分批排序问题 被引量:1

A Single Batch Processing Machine with Nonidentical Job Sizes and Precedence constraints
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摘要 研究了工件有优先约束和尺寸大小关系的分批排序问题,这里目标函数为工件的极大完工时间,这类问题是NP—完备的.对工件加工时间相同和有特殊到达时间的情况给出了它的近似算法,并证明其最差性能比不超过2. The paper focuses on the problem of batching scheduling with job sizes and precedence constraints. A 2-approximation algorithm is presented for the case where all jobs have identical processing times p and release dates ri =e+kip for 1≤j ≤ n.
作者 马冉 张玉忠
出处 《滨州学院学报》 2006年第3期18-22,共5页 Journal of Binzhou University
基金 国家自然科学基金项目(10171054) 山东省自然科学基金项目(Y2005A04)
关键词 分批排序 近似算法 最差性能比 优先约束 batching scheduling approximation algorithm worst- case performance ratio precedence constraints
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参考文献9

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