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The influence of sequencing and selection decision on the timing and balance function of order release within Workloand Control (WLC) environment

Grant number: 13/03830-4
Support type:Research Grants - Visiting Researcher Grant - International
Duration: July 07, 2013 - July 27, 2013
Field of knowledge:Engineering - Production Engineering - Production Management
Principal researcher:Moacir Godinho Filho
Grantee:Moacir Godinho Filho
Visiting researcher: Martin J. Land
Visiting researcher institution: University of Groningen, Netherlands
Home Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil


Order release is a key component of the Workload Control concept. Jobs do not enter the shop floor directly - they are retained in a pre-shop pool and released in time to meet due dates while keeping work-in-process within limits or norms. This means order release has to combine a timing and a load balancing function. Within Workload Control, the order release decision making process is based on a greedy heuristics and includes: (i) a sequencing decision, which establishes the order in which jobs are considered for release; and, (ii) a selection decision, which determines the criteria for choosing jobs for release. The proposed project examines how both decisions effect timing and load balancing function using simulation. It is expected that this analysis will contribute to further enhance the performance of Workload Control. Most importantly, the project's analysis will provide an important contribution to our understanding of how order release methods should be designed with implications for future research. (AU)

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