IE interfaces (산업공학)

Korean Institute of Industrial Engineers (대한산업공학회)
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The Workload Assignment Problem in consideration of the Worker Pairing and the Workload Balancing

작업조 구성과 작업량 평준화를 고려한 작업할당문제에 관한 연구

  • Shim, Dong-Hyun (Dept. of Information and Industrial Engineering, YONSEI University) ;
  • Lee, Young-Hoon (Dept. of Information and Industrial Engineering, YONSEI University)
  • 심동현 (연세대학교정보산업공학과) ;
  • 이영훈 (연세대학교정보산업공학과)
  • Received : 2008.12.01
  • Accepted : 2009.08.17
  • Published : 2009.09.01
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Abstract

This research deals with a task assignment problem to worker group which consists of one master and one assistant. Each task must be assigned to only one worker group and it is possible to make a pair of each master and each assistant to organize a worker group. A worker group may have more than one task assigned to it, but the workloads of each worker group must be balanced within the allowable range. This problem can be formulated mathematically using the Mixed Integer Programming(MIP), where the objective function is to minimize the total assignment cost. A two phase heuristic algorithm is suggested in order to find approximate solutions. The first phase is to obtain an initial solution, where the initial assignment is performed to follow the workload adjustment. In the second phase, the solution is improved through the repeated process of the exchange and the assignment adjustment. Numerical experiments have been performed to evaluate the performance of the heuristic algorithm.

Keywords

References

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