Insights into Production Scheduling Complexity - A Comprehensive Study

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R. Sudha
Dr. P. Premchand


The only permanent and inevitable phenomenon in any manufacturing unit is its dynamic environment which enforces the production manages to accommodate these changes and subsequently re plan and re schedule the tasks. Determining and maintaining a stable, efficient production schedule that quickly respond and adopt to change is not only time consuming but a difficult task. Though the purpose of process scheduling is specific to the class of a process, the conventional methods have scheduled every process equivalently based on some unrealistic assumptions about the shop floor and did not reflect on necessary scheduling parameters. Production scheduling has also become an interesting domain of research in computer science where powerful algorithms and models can be designed. This paper gives a comprehensive list of factors to be addressed for determining an optimal schedule. The complexity of production scheduling is influenced by a package of several factors which is presented in this paper with four dimensions ; scheduling decision parameters, constraints, unexpected events and scheduling objectives. The paper also discusses performance metrics for a schedule.

Keywords: Schedule complexity, Scheduling Dimensions. Decision Parameters, Constraints, Objectives Performance Criteria


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