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ARTICLE
Year : 2013  |  Volume : 3  |  Issue : 2  |  Page : 124-129

An integrated production planning and scheduling framework for make-to-order environment


1 Department of Mechanical Engineering, Kuruhshetra Institute of Technology & Management, Kurukshetra, Haryana, India
2 Department of Mechanical Engineering, National Institute of Technology, Kurukshetra, Haryana, India
3 Department of Mechanical and Industrial Engineering, Indian Institute of Technology, Roorkee, Uttarakhand, India

Correspondence Address:
Viraj Tyagi
Department of Mechanical Engineering, Kuruhshetra Institute of Technology & Management, Kurukshetra, Haryana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0976-8580.113058

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A capacity constrained integrated production planning and scheduling framework for a manufacturing firm operating in make-to-order environment, has been formalized. It primarily aims at the generation of shop floor schedules that are feasible with production plans generated at a higher level, practical and efficient at the shop floor. The formalized framework integrates capacity planning, loading and scheduling activities of a job-shop with consideration of process plans flexibility. The performance of framework is assessed through two case studies. Experimental investigation reveals that shop utilization level considered at capacity planning level affects master production schedule and system performance. Further, presence of multiple process plans improves system performance; especially, they assist in reducing the number of tardy part-types. Moreover, shortest processing time dispatching rule performs better than earliest due date during scheduling.


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