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A Model for Hierarchical Production Planning in a Make-to-order System

Alavi, Behrouz | 2013

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 44447 (01)
  4. University: Sharif University of Technology
  5. Department: Industrial Engineering
  6. Advisor(s): Kianfar, Farhad
  7. Abstract:
  8. A hierarchical production system in make-to-order environment is presented in this thesis. This production system is consisted of three different decision making levels. Maximum acceptance for production within customer specified time interval was done in the first stage, which is called order arriving stage, based on different client criteria, type of demanded product, and production system constraints. A new hierarchical decision making structure for accepting or rejecting arriving orders is proposed in this level. The output of this acceptance level is orders having maximum production system defined criteria, and minimum production cost along with order delivery time with minimum delay is specified in this level. Releasing orders into workshop is the second stage. Specifying the time and amount of releasing orders into workshop is the decision making problem in this level, under this condition that the time of completing orders is low and reliable.In the third level, orders are scheduled in work stations in order for attaining low delivery time. Finally, complex integer programing model is coded with Cplex software and is reviewed for different status of problem. Moreover, the second and third levels were compared with some current models by using simulation method.
  9. Keywords:
  10. Decision Making Support System ; Hierarchical Production Planning ; Make-to-Order ; Accepting or Rejecting Orders ; Mixed Integer Programming ; Prioritizing Process

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