Journal ArticleDOI
Economic Production Cycles with Imperfect Production Processes
Meir J. Rosenblatt,Hau L. Lee +1 more
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In this paper, the authors study the effects of an imperfect production process on the optimal production cycle time and derive the optimal cycle time for the case where the defective rate is a function of the set-up cost.Abstract:
In this paper, we study the effects of an imperfect production process on the optimal production cycle time. The system is assumed to deteriorate during the production process and produce some proportion of defective items. The optimal production cycle is derived, and is shown to be shorter than that of the classical Economic Manufacturing Quantity model. The analysis is extended to the case where the defective rate is a function of the set-up cost, for which the set-up cost level and the production cycle time are jointly optimized. Finally, we also consider the case where the deterioration process is dynamic in its nature, i.e., the proportion of defective items is not constant. Both linear, exponential, and multi-state deteriorating processes are studied. Numerical examples are provided to illustrate the derivation of the optimal production cycle time in these situations.read more
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Journal ArticleDOI
Economic production quantity model for items with imperfect quality
TL;DR: In this article, the authors extended the traditional economic production quantity model by accounting for imperfect quality items when using the EPQ/EOQ formulae, and considered the issue that poor-quality items are sold as a single batch by the end of the 100% screening process.
Journal ArticleDOI
Simultaneous determination of production cycle and inspection schedules in a production system
Hua L. Lee,Meir J. Rosenblatt +1 more
TL;DR: A simple relationship has been developed to determine the effectiveness of maintenance by inspection and the problem of simultaneous determination of EMQ and the inspection schedules is solved by using an approximation to the cost function.
Journal ArticleDOI
Using multi-objective genetic algorithm for partner selection in green supply chain problems
Wei-Chang Yeh,Mei-Chi Chuang +1 more
TL;DR: The aim of this research was to develop an optimum mathematical planning model for green partner selection, which involved four objectives such as cost, time, product quality and green appraisal score and adopted two multi-objective genetic algorithms to find the set of Pareto-optimal solutions.
Journal ArticleDOI
Communication and Uncertainty in Concurrent Engineering
TL;DR: An analytical model of concurrent engineering, where an upstream and a down-stream task are overlapped to minimize time-to-market, and derives the optimal concurrency between activities when communication follows the optimal pattern described by the decision rule.
References
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Book
Decision Systems for Inventory Management and Production Planning
TL;DR: In this article, an in-depth discussion of the major decisions in production planning, scheduling, and inventory management faced by organizations, both private and public, is presented, as well as the latest systems used to make decisions, including Just-in-Time Manufacturing, KANBAN, Distribution Requirements Planning and PUSH Control.
Book
Statistical Quality Control
TL;DR: This title is a substantial revision of one of the leading textbooks designed for the statistical quality control course taught in departments of industrial engineering, operations research and statistics and has incorporated key organizational changes in order to reflect recent trends in the field.
Related Papers (5)
Economic production quantity model for items with imperfect quality
Simultaneous determination of production cycle and inspection schedules in a production system
Hua L. Lee,Meir J. Rosenblatt +1 more