krm8_ism_ch16 - Chapter 16 Scheduling DISCUSSION QUESTIONS...

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Unformatted text preview: Chapter 16 Scheduling DISCUSSION QUESTIONS 1. The optimizing approach, of course, would give the optimal schedule for a group of jobs. However, implementing the model would be difficult. For example, significant amounts of data would need to be maintained and updated each time the model was used. There would also likely be circumstances when the schedule would have to be manually adjusted to account for unexpected happenings. Of course, the models assumptions (linearity or nonlinearity, deterministic or stochastic, and so forth) could come into serious question. The dispatching approach does not claim to provide an optimal solution, but it is much easier to implement and adjusts to unexpected happenings as they occur. The optimizing approach might prove to be the better choice in environments where there are few new job arrivals during the week (or they can be held until the next scheduling session) and there are few unexpected disruptions to the process. The dispatching approach is likely to be the better choice in dynamic environments where control of the schedule is difficult without making changes periodically. Technology and software advances for real-time scheduling may offer the best of both approaches. 2. Priority systems affect operations performance and aid management in making operational decisions. They facilitate prioritizing of work in the organization, as all the work to be performed in the organization cannot be done at the same time. The choice of priority system also helps management to focus and consciously decide on the scheduling system that will emphasize the performance criteria it considers to be important. By providing guidance for the numerous routine decisions associated with determining the sequence in which jobs are to be processed, priority systems allow managers to spend more time with strategic issues. PROBLEMS 203 l PART 3 Managing Value Chains 1. Michaels Distribution Center Day M T W Th F S Su Requirements 6 3 5 3 7 2 3 M T W Th F S Su Employee 6 3 5 3 7 2 3 1 5 2 4 2 6 2 3 2 4 1 3 1 5 2 3 3 3 1 3 4 1 2 4 2 2 3 1 2 5 1 2 2 1 6 1 1 1 7 The number of employees is 7. They are scheduled to take the boxed days off. 2. Cara Ryders ski school needs 11 instructors. a. Alternative 1. The heuristic does have a number of different solutions. M T W Th F S Su Instructor 7 5 4 5 6 9 8 1 6 5 4 5 5 8 7 2 5 4 4 5 5 7 6 3 5 4 4 4 4 6 5 4 4 4 4 4 3 5 4 5 3 3 4 4 3 4 3 6 Scheduling l CHAPTER 16 l 204 3 3 3 3 2 3 3 7 2 2 2 2 2 3 3 8 2 2 2 1 1 2 2 9 1 1 1 1 1 2 1 10 1 1 1 11 b. Instructors are scheduled to take the boxed days off in the solution shown in part (a). M T W Th F S Su On-duty 7 5 4 5 6 9 8 Requirements 7 5 4 5 6 9 8 Slack Alternative 2 (Optional) M T W Th F S Su Instructor 7 5 4 5 6 9 8 1 6 5 4 5 5 8 7 2 5 4 4 5 5 7 6 3 5 4 4 4 4 6 5 4 4 3 4 4 4 5 4 5 4 3 3 3 3 4 4 6 3 3 3 3 2 3 3 7 2 2 2 2 2 3 3 8 2 2 2 1 1 2 2 9 205 l PART 3 Managing Value Chains 1 1 1 1 1 2 1 10 1 1 1 1 11 Instructors are scheduled to take the boxed days off.Instructors are scheduled to take the boxed days off....
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This note was uploaded on 12/19/2009 for the course MANAGEMENT 00123 taught by Professor Ahmed during the Spring '09 term at Albany College of Pharmacy and Health Sciences.

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krm8_ism_ch16 - Chapter 16 Scheduling DISCUSSION QUESTIONS...

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