Job Scheduling Problem Using Fuzzy Numbers and Fuzzy Delphi Method

Job Scheduling Problem Using Fuzzy Numbers and Fuzzy Delphi Method

This paper shows that fuzzy set theory can be useful in modeling and solving job scheduling problems with uncertain processing times. The processing times are considered as fuzzy numbers(fuzzy intervals or time intervals) and the fuzzy Delphi method is used to estimate a reliable time interval of each processing time. Based on these time estimates, we then propose an efficient methodology for calculating the optimal sequence and the fuzzy makespan.

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