Flexible Shift Planning in the Service Industry: The Case of - download pdf or read online

By Jens O. Brunner

ISBN-10: 3642105165

ISBN-13: 9783642105166

The ebook offers new principles to version and remedy the versatile shift making plans challenge of team of workers staff within the provider undefined. First, a brand new modeling technique is proposed that calls for shifts to be generated implicitly instead of utilising a predefined set of shift forms like 3 8-hour or 12-hour shifts to hide various forecast call for. the target is to reduce the full rate of the assignments given the overall and person exertions regulations. moment, to discover prime quality assignments answer methodologies are offered. A heuristic decomposition procedure decomposes the matter into weekly subproblems while a branch-and-price set of rules that makes use of numerous branching principles decomposes the version by means of employee varieties. The grasp challenge makes use of a suite overlaying formula while the subproblems are combined integer courses. The modeling and resolution methodologies are constructed and validated utilizing the instance of physicians from an anesthesia division of a German college sanatorium.

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Extra info for Flexible Shift Planning in the Service Industry: The Case of Physicians in Hospitals (Lecture Notes in Economics and Mathematical Systems)

Example text

The coordination of the columns is done in the master problem. The procedure can be used as an alternative to the simplex algorithm to solve an LP or the linear relaxation(s) of a general IP within a B&B framework, the focus of the following research, and is successful to solve large-scale problems. In general, shift and related scheduling problems can be modeled in two distinct but equivalent ways. The first uses a set covering formulation in which each column corresponds to a feasible schedule.

2 Model Enhancements 29 number of periods that must be worked before a break begins, and observe that both the demand constraints (7) and the working time constraints (8) will be affected when a period is removed from a shift. To identify the break assignment period, we shif t use the variable yj;i;t and modify the two sets of constraints for the periods in the f ix set ft 2 T : t > Tj g. For all other periods in T the constraint is built according to the original formulation [see (7)]. 2 Implicit Break Placement in a Defined Time Interval The second alternative offers more flexibility than the first but still requires that every shift must be given a break.

However, we do need a new parameter for each group j physicians that fixes the f ix break for any shift to a specific period following its start. 2 Model Enhancements 29 number of periods that must be worked before a break begins, and observe that both the demand constraints (7) and the working time constraints (8) will be affected when a period is removed from a shift. To identify the break assignment period, we shif t use the variable yj;i;t and modify the two sets of constraints for the periods in the f ix set ft 2 T : t > Tj g.

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Flexible Shift Planning in the Service Industry: The Case of Physicians in Hospitals (Lecture Notes in Economics and Mathematical Systems) by Jens O. Brunner


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