The functionality of a hospital is another example of

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The functionality of a hospital is another example of how the concept of Slack can be used. Services such as emergency room services are subject to unpredictable demand surges. Hospitals may run their scheduling at a low utilization rate in order to accommodate those surges. Where x(patient) < 2 hours is the optimal equation. That means patients should be treated in less than two hours. A hospital may consider x(patient) ­ EmergencyRoomSlack = 2 hours a normal operation, so that most of the time, patients can be seen quickly, and at times of high volume, the scheduling and processing time is still two hours or less. While slack (and its counterpart – surplus) can be viewed as wasteful in theories such as JIT where timing is essential, complex manufacturing processes may require the use of low utilization in some areas in order to avoid over or under production. The use of slack and surplus are most beneficial in industries with high demand fluctuations. Johnson, C. (2009, June 4). Linear programming part II, slack and surplus. Mathematics prelims: Weblog. Retrieved from: https :// mathprelims . wordpress .com/2009/06/04/linear­programming­part­ii­ slack­and­surplus/ Krajewski, L., Malhotra, M., Ritzman, L. (2015). Operations Management: Processes and Supply Chains, 11th ed. Pearson. Thread: Q 15 Slack Variables Post: RE: Q 15 Slack Variables Author: Posted Date: February 21, 2016 2:23 PM Status: Published I like your examples, they work nicely when discussing constraints. Slack is also a very important concept especially when dealing with timing issues. Constraints are good to identify the requirements of a process so that a minimizing or maximizing formula can be assembled. Slack is a great way to assemble a production time frame, so your example of seat covers is a perfect example. The contstraints show the best fit formulas for processing numbers based on wanting to fit within a certain cost or time frame. Then, the slack can Kenneth Peoples
3/6/2016 Collection – MBA675­T303 Operations & Logistics in the (... ; 15/28 (Post is Read) be used to help plan the ordering of raw materials and assembling of components. As long as each process is done within the allowed slack time without tampering with the critical path, then the production schedule should be on time. Thread: Week 10 ­ Question 11 Post: Week 10 ­ Question 11 Author: Posted Date: February 20, 2016 4:53 PM Status: Published (Post is Read) How can a service provider schedule operations for the benefit of their customers and their own utilization? Support your comments with an example. Our book gives the example of scheduling police officers depending on the needs of the area. For example they hire ten officers for the day shift to work.

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