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Joint Optimization of Process Flow and Scheduling in Service-Oriented Manufacturing Systems.
1ETS Ingeniería y Diseño Industrial, Universidad Politécnica de Madrid, Ronda de Valencia, 3, 28012 Madrid, Spain. joe.vargas.villa@alumnos.upm.es.
Materials (Basel, Switzerland)
|August 31, 2018
Summary
This study optimizes dispatching rules and process flows for maintenance, repair, and overhaul (MRO) centers. It balances cost, service, and flexibility for better operational management in manufacturing systems.
Area of Science:
- Operations Research
- Manufacturing Systems Engineering
- Service Operations Management
Background:
- Customer-oriented management is vital for service-oriented production and product service systems.
- Maintenance, Repair, and Overhaul (MRO) centers face complex challenges in managing diverse workflows for engines and modules.
Purpose of the Study:
- To develop optimal dispatching rules and process flow designs for MRO centers.
- To quantitatively analyze the impact of different rules and flows on internal and service metrics.
- To identify the best combination of process flow and dispatching rules considering cost, service, and flexibility.
Main Methods:
- Systematic screening of priority dispatching rules.
- Design of Experiments (DOE) and discrete-event simulation for quantitative analysis.
- Analysis of Variance (ANOVA) and Taguchi approach for optimization.
- Costing breakdown including overdue work order costs.
Main Results:
- Identified superior dispatching rules and process flows for turbo shaft engine MRO.
- Quantitatively evaluated trade-offs between cost, service, and flexibility.
- Determined optimal facility load ranges considering operational costs.
Conclusions:
- The optimal combination of process flow and dispatching rules significantly impacts MRO performance.
- Quantitative evaluation aids decision-making in balancing cost, service, and flexibility.
- Findings support enhanced operational management in complex manufacturing systems.
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