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Stability of real-time lot-scheduling and machine replacement policies with quality levels

Sethi, Suresh P. and Sorger, Gerhard and Zhou, Xun Yu (1999) Stability of real-time lot-scheduling and machine replacement policies with quality levels. Working Papers SFB "Adaptive Information Systems and Modelling in Economics and Management Science", 36. SFB Adaptive Information Systems and Modelling in Economics and Management Science, WU Vienna University of Economics and Business, Vienna.

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Abstract

In this note we show how the main result of Lou et al. can be generalized to an unreliable machine with various quality levels. We consider a single machine which can process parts of different types. The machine can process at most one part at a time and it needs a setup period whenever it switches from one part-type to another. Parts enter the system in type-specific input rates and require type-specific processing times. The quality of the machine deteriorates according to a continuous-time Markov process and the only way to improve the quality is by replacing the machine by a new one. We postulate a simple form of real-time replacement and scheduling policies, and derive conditions ensuring the stability of the system under these policies. (author's abstract)

Item Type: Paper
Divisions: Departments > Informationsverarbeitung u Prozessmanag. > Produktionsmanagement > Taudes
Departments > Finance, Accounting and Statistics > Statistics and Mathematics
Departments > Marketing > Service Marketing und Tourismus
Departments > Informationsverarbeitung u Prozessmanag. > Informationswirtschaft
Depositing User: Repository Administrator
Date Deposited: 04 Mar 2002 14:56
Last Modified: 27 May 2015 03:28
URI: http://epub.wu.ac.at/id/eprint/988

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