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Applying Tandem CONWIP Policy to Assembly Supply Chain

Shokoohyar, Sina | 2013

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 44377 (44)
  4. University: Sharif University of Technology
  5. Department: Management and Economics
  6. Advisor(s): Sepehri, Mehran
  7. Abstract:
  8. Supply chain management has been developed extensively in second half of last century and the development has been continued up to present century. Nowadays Development and conformity of production and inventory control methods with JIT philosophy in production line level is one of the topics that received much attention from researchers. An increasing interest in the scope of JIT philosophy is on the extension and adaptation of Pull policies such as Kanban and CONWIP for materials and production control. In a real-life environment, companies are subjected to various types of uncertainties such as stochastic processing times and variable demand. This uncertain environment could cause lots of problems such as lost sale or over inventory. In this Thesis, we tried to apply Tandem CONWIP policy to an assembly supply chain. After reviewing previous research corresponding to the application of this policy in assembly supply chain, the assumptions of problem are defined and the model is designed, then number of rules is set in order to adjust number of CONWIP cards in an assembly supply chain so that we can reduce the number of lost sale and work in process level. We used system dynamics approach which is a powerful managerial tools that give us the ability to consider all the real condition including variable demand, machine failure and defect inspection. At the end we compared our scenario with simple CONWIP policy and push system
  9. Keywords:
  10. Assembly Supply Chain ; Just In-Time ; Tandem CONWIP

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