TAILIEUCHUNG - Lecture Advances in supply chain management - Chapter 15

When you finish this chapter, you should be able to: Explain what scheduling involves and the importance of good scheduling, compare product and service scheduling hierarchies, describe scheduling needs in high-volume systems,. | Advances in Supply Chain Management Part 2 Chapter 10 : Production Planning and Scheduling 3 Lec 15 : Learning Objectives To describe the underlying decision situation To outline how to proceed from a model to a solution To explain in detail the steps of model building To teach how to up date a production schedule 4 SUMMARY of Last Lecture In the last lecture, the remaining portion of the structuring of ATP along one of the most important dimension; customer was explained. The procedure of order processing was explained in detail. Further ATP consumption by example was also included for the better understanding of students. The present lecture will focus on the underlying decision situation. It will also outline how to proceed from a model to a solution. Model building steps will be explained in detail. Up dating a production schedule by using advanced planning and software will also be discussed with the help of an example. 5 LAYOUT Description of a Decision Situation How to Proceed from a Model to a Production Schedule Model Building Level of Detail Updating Production Schedule 6 Description of the Decision Situation Production Planning and Scheduling aims at generating detailed production schedules for the shop floor over a relatively short interval of time. A production schedule indicates for each order to be executed within the planning interval its start and completion times on the resources required for processing. Hence, a production schedule also specifies the sequence of orders on a given resource. A production schedule may be visualized by a gantt-chart (see ). 7 Cont . The planning interval for Production Planning and Scheduling varies from 1 day to a few weeks depending on the industrial sector. Its “correct” length depends on several factors: On the one hand it should at least cover an interval of time corresponding to the largest through put time of an order within the production unit. On the other hand the planning interval is limited by the .

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