Scheduling and resource allocation in a food service system

Scheduling and resource allocation in a food service system

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Article ID: iaor1990367
Country: United States
Volume: 4
Issue: 2
Start Page Number: 129
End Page Number: 144
Publication Date: Feb 1984
Journal: Journal of Operations Management
Authors: ,
Abstract:

A branch and bound algorithm is presented as a solution procedure for the foodservices scheduling problem. The paper describes a method by which the process time for each of the various steps in a recipe may be computed as a function of the number of servings being prepared. Although these are normally considered to be linear relationships, the algorithm can easily be modified to accept other types of relationships as well. In order to demonstrate the performance of the algorithm for practical purposes, the lunch menus of a short term, acute case, 300 bed hospital in Syracuse, New York were used to develop production schedules. These menus included a total of 89 different hot food items whose recipes were placed into a menu file in the computer along with the coefficients needed to develop process time estimates as a function of numbers of servings to be prepared. In total, fourteen lunch menus are cycled at the hospital; the number of items appearing on the menus ranges from 8 to 14 hot food items. It is important to note that the use of an algorithm such as this is in a practical setting affords a very friendly user interface. Once the foodservices system’s menu items have been placed into a file, the user may easily select any set of these items to include in a given schedule. Only three lines of data input are required. The first line specifies the number of items as well as the zero-hour or serving time. The second line identifies the item numbers of the hot-food items to be scheduled. And the third line specifies the number of servings for each of those items which must be prepared. Kitchen personnel with limited experience can be trained to input the data in less than 15 minutes of instruction time.

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