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논문 기본 정보

자료유형
학술저널
저자정보
Dwi Kurniawan (Institut Teknologi Nasional Bandung) Asterina Febrianti (Institut Teknologi Nasional Bandung)
저널정보
대한산업공학회 Industrial Engineering & Management Systems Industrial Engineering & Management Systems Vol.23 No.2
발행연도
2024.6
수록면
112 - 124 (13page)
DOI
10.7232/iems.2024.23.2.112

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초록· 키워드

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In manual manufacturing systems, longer working hours lead to a higher physical fatigue level, which in turn brings a lower quality of the output. This paper examines the relationship between physical fatigue and quality, and then proposes a mathematical model to optimize work and break time based on the relationship. An experiment was conducted by asking a group of participants to perform a cognitive task at four levels of physical fatigue, measured by heart rate. Elevated heart rates were gained by riding a static bicycle. Experiment data showed a linear relationship between quality and physical fatigue. Then, we developed a mathematical model to optimize work and break schedule for operator, where the decision variable was the number of parts in the first run, and the objective function was the average total process time. The model worked properly and was effective to solve the optimization of work and break times. The model in this paper can be used by managers to optimize work and break times for operators. With data on operator fatigue and recovery rates, fatigue-to-quality constant and gradient, we developed a model for managers to determine work and break times to obtain optimal process and break times.

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ABSTRACT
1. INTRODUCTION
2. LITERATURE REVIEW
3. METHODOLOGY
4. THE FATIGUE-TO-QUALITY MODEL
5. WORK-REST OPTIMIZATION
6. RESULTS AND DISCUSSION
7. CONCLUDING REMARKS
REFERENCES

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