Group Scheduling Technique for Multiproduct, Multistage Manufacturing Systems

[+] Author and Article Information
K. Hitomi

Department of Industrial and Mechanical Engineering, Osaka University, Suita-shi, Japan

I. Ham

Department of Industrial and Management Systems Engineering, The Pennsylvania State University, University Park, Pa.

J. Eng. Ind 99(3), 759-765 (Aug 01, 1977) (7 pages) doi:10.1115/1.3439310 History: Received July 12, 1976; Online July 15, 2010


“Group Scheduling,” which is operations scheduling based on the Group Technology concept, was analyzed in a multistage manufacturing system. In the case of fabricating multiple parts (jobs) grouped into several group cells, both optimal group and optimal job sequences were determined such that the total flow time (makespan) was minimized, by means of the branch-and-bound method. In addition, optimal machining speeds to be utilized on multiple stages (machines) for each job were determined to reduce the total production cost as much as possible. Optimizing algorithms for this Group Scheduling Technique were also presented with numerical examples.

Copyright © 1977 by ASME
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