A linear optimisation model for master production scheduling including social criteria

Trost, Marco; Teich, Enrico; Claus, Thorsten; Herrmann, Frank

doi:10.1007/s00550-017-0454-7

Cited by 2 publications

(5 citation statements)

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“…Now the linear optimization model, which is based on this standard, is described. The consideration of costs for shift bonuses, the possibility of different worker utilizations for each production segment and the specification of the worker utilization as an interval are the extensions to the model, which is introduced in [5].…”

Section: Linear Optimization Model For Master Production Schedulingmentioning

confidence: 99%

“…Thereby it is also considered, that there are requirements for lead times to adjust capacities. For the consideration of social criteria this all is imperative, because this connects elements of the human resources management with the PPC and in that order not only the human resources management has to provide the necessary capacities but also the PPC has to consider the workers requirements [5]. In addition, the limitation of a maximum supply of technical capacity, see Equation (6), remains unchanged.…”

Section: Linear Optimization Model For Master Production Schedulingmentioning

confidence: 99%

“…Associated with the two regarded production segments 16 different worker utilization constellations have to been calculated per examination scenario to determine the optimal solutions for each of the 27 scenarios. Further used parameters are presented in [5]. Differences occur by the standard processing times, which are in this paper at the first production segment 2534 time units per quantity units (TU/QU) for product A and 4735 TU/QU for product B as well as 7019 TU/QU for product A and 6632 TU/QU for product B at the second production segment and there is also considered that only a part of the processing times (manual part) is affected by the worker utilizations.…”

Section: Fig 1: Worker Utilization Specific Weighting Factors For Prmentioning

confidence: 99%

“…So, the resource consumption is influenced due to the production plan, which has to be determined. Thus, ecological and social issues like energy consumption or worker's stress are affected next to the classical economical monetary assessment [5]. In this process, the ecological dimension is already explored broadly (see: [6] [7] [8]).…”

Section: Introductionmentioning

confidence: 99%

“…Especially the physical stress and the work intensity are rated to be too high out of 11 defined criteria [13]. For this reason, an extended version of the linear optimization model for the Master Production Scheduling with consideration of social criteria from [5] is presented at this paper and as an extension to the studies in [5] there is also presented an investigation regarding the necessity to integrate social criteria based on a more comprehensive case study.…”

Section: Introductionmentioning

confidence: 99%

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Master Production Scheduling and the Relevance of Included Social Criteria

Trost¹,

Claus²,

Herrmann³

2017

ACC

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The requirements to consider worker utilizations and processing times, which depends on this worker utilization, are examined at the following paper for the Master Production Scheduling. For this reason, it is shown, that there is a gap in research regarding the social dimension in the range of Production Planning and Control. Thus, there are presented an own developed linear optimization model for the Master Production Scheduling with consideration of social criteria and an appropriate case study at this paper. The results demonstrate substantial deviations due to the ignorance from worker utilizations and worker utilization specific processing times. Therefore, the integration of these criteria is to be recommended. But it is also shown, that there is a need for further research activities for the development of specific human fatigue courses, like it also exists for human learning courses.

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Section: Linear Optimization Model For Master Production Schedulingmentioning

confidence: 99%

Section: Linear Optimization Model For Master Production Schedulingmentioning

confidence: 99%

Section: Fig 1: Worker Utilization Specific Weighting Factors For Prmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Master Production Scheduling and the Relevance of Included Social Criteria

Trost¹,

Claus²,

Herrmann³

2017

ACC

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Master Production Scheduling with Consideration of Utilization-Dependent Exhaustion and Capacity Load

2023

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A large number of researchers have addressed social aspects in hierarchical production planning. This article responds to research gaps identified in our previous literature review. Accordingly, consideration of social aspects and the economic implications of social improvements are required in a longer term planning approach. For this, we integrate work intensity as employee utilization in a general mixed-integer programming model for master production scheduling. Following existing fatigue functions, we represent the relationship between work intensity and exhaustion through an employee-utilization-dependent exhaustion function. We account for the economic implications through exhaustion-dependent capacity load factors. We solve our model with a CPLEX standard solver and analyze a case study based on a realistic production system and numerical data. We demonstrate that the consideration of economic implications is necessary to evaluate social improvements. Otherwise, monetary disadvantages are overestimated, and social improvements are, thus, negatively affected. Moreover, from a certain level of work-intensity reduction, demand peaks are smoothed more by pre-production, which requires more core employees, while temporary employment is reduced. Further potential may arise from considering and quantifying other interdependencies, such as employee exhaustion and employee days off. In addition, the relationship between social working conditions and employee turnover can be integrated.

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A linear optimisation model for master production scheduling including social criteria

Abstract: Due to missing social researches for production planning and control this article shows a linear optimisation model for master production scheduling in consideration of social criteria. First results indicate, that low costs not caused by maximum workload but by low capacity variation.

Cited by 2 publications

References 15 publications

Master Production Scheduling and the Relevance of Included Social Criteria

Master Production Scheduling and the Relevance of Included Social Criteria

Master Production Scheduling with Consideration of Utilization-Dependent Exhaustion and Capacity Load

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