Asymptomatic loss of priority scheduling policies in closed re-entrant lines: a computational study

Article Abstract:

The proposed computational method for evaluating the asymptomatic loss of scheduling policies in closed-re-entrant lines accurate but is confirmed by simulation outcomes. Results achieved by proposed method conform with the outcomes of Harrison and Wein for two station re-entrant lines. Asymptomatic loss can be utilized to match varied buffer priority scheduling policies and assess the impact of high priority jobs. The deficiency of this work is the absence of substantial evidence for the correctness of the asymptomatic loss values evaluated.

Operations Research, Management science, Analysis, Usage, Scheduling (Management), Queuing theory

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Performance evaluations of cellular flexible manufacturing systems: a decomposition approach

Article Abstract:

The performance evaluation problem of a cellular manufacturing system (CMS) is solved using product-form closed queueing network (PF-CQN) and generalized stochastic petri net (GSPN) models. The processes decompose the system into individual cells and prove moreefficient by reducing computational time. The PF-CQN provides exact results, while results obtained using GSPN analysis are near-approximations of optimal results with negligible error. The methodologies and examples are provided.

Evaluation, Flexible manufacturing systems, Manufacturing cells

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Achieving sharp deliveries in supply chains through variance pool allocation

Article Abstract:

The process of achieving on-time deliveries in supply chain networks by using variance pool allocation methods is discussed.

Europe, Management dynamics, Management, Logistics, Business logistics, Company business management, Delivery of goods, Deliveries (Transportation), Order picking systems, Order picking

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