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Service level

About: Service level is a research topic. Over the lifetime, 7647 publications have been published within this topic receiving 126093 citations. The topic is also known as: service level.


Papers
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Journal ArticleDOI
TL;DR: A heuristic algorithm is stated that improves a public transportation network using the average transportation cost as the objective and some experiences with real world problems are reported.

263 citations

Journal ArticleDOI
TL;DR: In this article, the authors study the performance of the kanban, minimal blocking, basestock, CONWIP, and hybrid kanban-CONWIP control policies in a four-machine tandem production line making parts for an automobile assembly line.
Abstract: We study the performance of the kanban, minimal blocking, basestock, CONWIP, and hybrid kanban-CONWIP control policies in a four-machine tandem production line making parts for an automobile assembly line. Cases with both constant and changing demand rates are studied. The main performance measures are the service level and the amount of work-in-progress. We also consider other performance measures such as variability amplification along the line. The results are obtained by extensive simulations. We find that the best parameter choices for the hybrid policy decrease inventories by 10% to 20% over the best kanban policy while maintaining the same service levels. The inventory difference grows as the demands on service level increase. The performance of basestock and CONWIP policies falls between those of the kanban and hybrid policies. The CONWIP and hybrid policies also give significantly better response to changes in the demand rate.

262 citations

Journal ArticleDOI
TL;DR: In this paper, the impact of information sharing and ordering co-ordination on the performance of a supply chain with one capacitated supplier and multiple retailers under demand uncertainty is investigated.
Abstract: This paper presents a study on the impacts of information sharing and ordering co‐ordination on the performance of a supply chain with one capacitated supplier and multiple retailers under demand uncertainty. In particular, a computer model is proposed to simulate inventory replenishment decisions by the retailers and production decisions by the supplier under different demand patterns and capacity tightness. It is found that information sharing and ordering co‐ordination significantly impact the supply chain performance in terms of both total cost and service level. It is also found that the value of sharing information and ordering co‐ordination is significantly affected by demand patterns and capacity tightness. Guidelines are developed for companies to share information and co‐ordinate orders under different conditions. These guidelines can help companies reduce costs and improve customer service levels in the supply chain.

261 citations

Journal ArticleDOI
TL;DR: The SC fuzzy model is developed to determine the order quantities for each inventory in the SC in the presence of uncertainties, that give an acceptable service level of the SC at reasonable total cost.

259 citations

Journal ArticleDOI
TL;DR: In this article, an optimal inventory lot-sizing model is developed for deteriorating items with general continuous time-varying demand over a finite planning horizon and under three replenishment policies, where the deterioration rate is assumed to be a constant fraction of the on-hand inventory.
Abstract: In this paper, optimal inventory lot-sizing models are developed for deteriorating items with general continuous time-varying demand over a finite planning horizon and under three replenishment policies The deterioration rate is assumed to be a constant fraction of the on-hand inventory Shortages are permitted and are completely backordered The proposed solution procedures are shown to generate global minimum replenishment schedules for both general increasing and decreasing demand patterns An extensive empirical comparison using randomly generated linear and exponential demands revealed that the replenishment policy which starts with shortages in every cycle is the least cost policy and the replenishment policy which prohibits shortages in the last cycle exhibited the best service level effectiveness An optimal procedure for the same problem with trended inventory subject to a single constraint on the minimum service level (maximum fraction of time the inventory system is out of stock during the planning horizon) is also proposed in this paper

258 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202321
202257
2021257
2020350
2019413
2018415