Publication:
Scheduling Optimization Modelling: A Case Study of a Woven Label Manufacturing Company
Scheduling Optimization Modelling: A Case Study of a Woven Label Manufacturing Company
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Date
2021
Authors
Chia-Nan Wang
Zhao-Hong Cheng
Nguyen Ky Phuc Phan
Van Thanh Nguyen
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Research Projects
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Abstract
Production scheduling involves all activities of building production
schedules, including coordinating and assigning activities to each person, group
of people, or machine and arranging work orders in each workplace. Production
scheduling must solve all problems such as minimizing customer wait time, storage
costs, and production time; and effectively using the enterprise’s human
resources. This paper studies the application of flexible job shop modelling on
scheduling a woven labelling process. The labelling process includes several steps
which are handled in different work-stations. Each workstation is also comprised
of several identical parallel machines. In this study, job splitting is allowed so that
the power of work stations can be utilized better. The final objective is to minimize
the total completion time of all jobs. The results show a significant improvement
since the new planning may save more than 60% of lead time compared to
the current schedule. The contribution of this research is to propose a flexible job
shop model for scheduling a woven labelling process. The proposed approach can
also be applied to support complex production scheduling processes under fuzzy
environments in different industries. A practical case study demonstrates the
effectiveness of the proposed model.
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Keywords
"Flexible job shop scheduling,
Woven labelling,
Garment industry,
Optimization,
Production scheduling"