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System availability in a gamma alternating renewal process
Author(s) -
PhamGia T.,
Turkkan N.
Publication year - 1999
Publication title -
naval research logistics (nrl)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.665
H-Index - 68
eISSN - 1520-6750
pISSN - 0894-069X
DOI - 10.1002/(sici)1520-6750(199910)46:7<822::aid-nav5>3.0.co;2-d
Subject(s) - measure (data warehouse) , renewal theory , steady state (chemistry) , process (computing) , term (time) , computer science , value (mathematics) , operations research , control (management) , control theory (sociology) , mathematics , statistics , physics , operating system , data mining , artificial intelligence , chemistry , quantum mechanics
We measure the effectiveness of a repairable system by the proportion of time the system is on, where on‐time and off‐times are assumed independent and both gamma‐distributed. This measure is helpful for system planning and control in the short term, before the steady‐state is reached, and its mean value is intermediary between instantaneous and steady‐state availabilities. We also present other significant results concerning the Gamma Alternating Renewal Process. © 1999 John Wiley & Sons, Inc. Naval Research Logistics 46: 822–844, 1999