Priority Scheduling Rules for Repairable Inventory Systems

Improved priority scheduling rules are presented for a repair shop supporting a multi-item repairable inventory system with a hierarchical product structure. A variety of scheduling rules are evaluated using a simulation of a representative shop and product structure. The results indicate that dynam...

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Bibliographic Details
Published in:Management science 1982-11, Vol.28 (11), p.1215-1232
Main Authors: Hausman, Warren H, Scudder, Gary D
Format: Article
Language:English
Subjects:
Aircraft
Approximation
Corporations
Engines
Failure
Inventory
inventory/production
Jet engines
Job shops
Management science
military: logistics
Modeling
Oil companies
Order quantity
production
Production scheduling
production/scheduling: job shop, stochastic
Queuing theory
Random numbers
Random variables
Repair shops
Safety stock
Scheduling
scheduling: job shop
Simulation
stochastic
Systems
Time dependence
Work in process
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Description
Summary:Improved priority scheduling rules are presented for a repair shop supporting a multi-item repairable inventory system with a hierarchical product structure. A variety of scheduling rules are evaluated using a simulation of a representative shop and product structure. The results indicate that dynamic rules which use inventory status information perform better than other dynamic or static rules which ignore inventory status; moreover, dynamic rules which use work-in-process inventory information outperform dynamic rules which ignore work-in-process inventory levels. In the simulation, the use of improved scheduling rules provides performance equivalent to a 20% reduction in spares inventory.
ISSN:0025-1909
1526-5501
DOI:10.1287/mnsc.28.11.1215