Modeling and analysis of stochastic systems
Modeling and analysis of stochastic systems
Simulation Modeling and Analysis
Simulation Modeling and Analysis
Performance Evaluation and Policy Selection in Multiclass Networks
Discrete Event Dynamic Systems
Simulation with Arena
Sustainable electrical and electronic plastics recycling
ISEE '04 Proceedings of the International Symposium on Electronics and the Environment
ISEE '05 Proceedings of the International Symposium on Electronics and the Environment
A review of research towards computer integrated demanufacturing for materials recovery
International Journal of Computer Integrated Manufacturing
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The looming obsolescence of 3 billion consumer electronics by 2010 calls for effective recycling of 10 billion pounds of high-value engineering thermoplastics. Because general shredding operations generate mixed plastics of low value, a switching rule is needed rapidly to identify plastics for sortation by colour and type to increase plastics-to-plastics recycling value. The current paper develops a heuristic rule to determine the thresholds for a switching rule that reduces set-up time while managing queue space. Our recycling system is modelled as a multiclass queuing network in a simulation model. Results indicate that laser identification probe utilization, setups, and queue space are sensitive to the switching rule. Our work contributes important insights into the relationship between traffic intensity, setup time, and queue capacity, and generalizes to multiclass queuing systems in other applications.