Performance analysis of computer systems with Weibull distribution subject to software upgrade and load recovery

Computer systems play an essential role in the era of science and technology, where hardware and software work together with full accuracy. In this paper, the performance of computer systems has been analyzed under hardware repair, software upgradation, and load recovery using Weibull distribution f...

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Bibliographic Details
Published inLife cycle reliability and safety engineering Vol. 12; no. 1; pp. 51 - 63
Main Authors Kumar, Ajay, Garg, Reena, Barak, M. S.
Format Journal Article
LanguageEnglish
Published Singapore Springer Nature Singapore 01.03.2023
Subjects
Civil Engineering
Engineering
Mechanical Engineering
Original Research
Quality Control
Reliability
Safety and Risk
Computer systems
Performance analysis
Weibull distribution
Load failure
Regenerative point
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Summary:Computer systems play an essential role in the era of science and technology, where hardware and software work together with full accuracy. In this paper, the performance of computer systems has been analyzed under hardware repair, software upgradation, and load recovery using Weibull distribution for all random variables with different scale and standard shape parameters. For this purpose, a reliability model is developed with the help of the regenerative point technique and semi-Markov approach. The system is failing due to hardware, software, or load failure. The Weibull distribution is widely used in reliability and life data analysis due to its versatility. It is assumed that all types of failure and repair rates follow the Weibull distribution, and a single repairman can attend to all kinds of failures. Numerical calculations for mean time to system failure, availability, and profit function highlight the importance of the study.
ISSN:2520-1352
2520-1360
DOI:10.1007/s41872-022-00211-5