Monitoring declining quality of ammunition stockpile under step-stress
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Authors
Sohn, So Young
Subjects
Random Effects Model
Step-Stress
Deterioration Rate
A Two-Stage Estimation
Step-Stress
Deterioration Rate
A Two-Stage Estimation
Advisors
Date of Issue
1993-09
Date
1993-09
Publisher
Monterey, California. Naval Postgraduate School
Language
en_US
Abstract
Most ammunition is produced long before its ultimate consumption and stored in a series of different depots for a considerably long period of time. During storage, the quality of the ammunition stockpile deteriorates proportionally to the conditions of depots. We view different conditions associated with a series of depots as step-stress. A random effects logistic regression model is employed to predict the quality of ammunition stockpile in terms of the routing information such as a series of location and duration of storage of ammunition lots. The resultant prediction model can be used to determine the appropriate time for reorder or renovation of ammunition before the quality reaches substandard. An example is given to illustrate the implementation procedure of the prediction model suggested in this paper.
Type
Technical Report
Description
Series/Report No
Department
Operations Research
Organization
Naval Postgraduate School (U.S.)
Identifiers
NPS Report Number
NPS-OR-93-016
Sponsors
Naval Surface Warfare Center
Funder
RGGMB
Format
NA
Citation
Distribution Statement
Approved for public release; distribution is unlimited.
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.