Solving assembly scheduling problems with tree-structure precedence constraints: A Lagrangian relaxation approach

In this paper, we consider an assembly scheduling problem (ASP) with tree-structured precedence constraints. In our problem, there are a number of work centers. Each work center contains a number of machines of the same functionality. The job to be processed via this system is a job with tree-struct...

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Veröffentlicht in:IEEE transactions on automation science and engineering Jg. 10; H. 3; S. 757 - 771
Hauptverfasser: Xu, Jingyang, Nagi, Rakesh
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York IEEE 01.07.2013
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
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ISSN:1545-5955, 1558-3783
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Zusammenfassung:In this paper, we consider an assembly scheduling problem (ASP) with tree-structured precedence constraints. In our problem, there are a number of work centers. Each work center contains a number of machines of the same functionality. The job to be processed via this system is a job with tree-structure precedence constraints. Each operation in the job has a designated work center. We propose a mixed integer linear programming formulation and solve the problem with a Lagrangian relaxation (LR) approach. We solve the subproblems of the LR problem via a heuristic method and generate feasible solutions via a randomized list scheduling algorithm. Near-optimal results are obtained and the computational time is within a few seconds for problems with size up to 20 machines and 300 operations.
Bibliographie:SourceType-Scholarly Journals-1
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content type line 14
ISSN:1545-5955
1558-3783
DOI:10.1109/TASE.2013.2259816