Cumulative Residual Entropy of the Residual Lifetime of a Mixed System at the System Level

Recently, there has been growing interest in alternative measures of uncertainty, including cumulative residual entropy. In this paper, we consider a mixed system consisting of <i>n</i> components, assuming that all components are operational at time <i>t</i>. By utilizing th...

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Main Authors: Mohamed Kayid, Mashael A. Alshehri
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:Entropy
Subjects:
Online Access:https://www.mdpi.com/1099-4300/25/7/1033
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author Mohamed Kayid
Mashael A. Alshehri
author_facet Mohamed Kayid
Mashael A. Alshehri
author_sort Mohamed Kayid
collection DOAJ
description Recently, there has been growing interest in alternative measures of uncertainty, including cumulative residual entropy. In this paper, we consider a mixed system consisting of <i>n</i> components, assuming that all components are operational at time <i>t</i>. By utilizing the system signature, we are able to compute the cumulative residual entropy of a mixed system’s remaining lifetime. This metric serves as a valuable tool for evaluating the predictability of a system’s lifetime. We study several results related to the cumulative residual entropy of mixed systems, including expressions, limits, and order properties. These results shed light on the behavior of the measure and provide insights into the predictability of mixed systems. In addition, we propose a criterion for selecting a preferred system based on the relative residual cumulative entropy. This criterion is closely related to the parallel system and provides a practical way to choose the best system configuration. Overall, the present study of cumulative residual entropy and the proposed selection criterion provide valuable insights into the predictability of mixed systems and can be applied in various fields.
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spelling doaj.art-c81626e7cb214d0b87a89576a9c2de952023-11-18T19:13:45ZengMDPI AGEntropy1099-43002023-07-01257103310.3390/e25071033Cumulative Residual Entropy of the Residual Lifetime of a Mixed System at the System LevelMohamed Kayid0Mashael A. Alshehri1Department of Statistics and Operations Research, College of Science, King Saud University, Riyadh 11451, Saudi ArabiaDepartment of Quantitative Analysis, College of Business Administration, King Saud University, Riyadh 11362, Saudi ArabiaRecently, there has been growing interest in alternative measures of uncertainty, including cumulative residual entropy. In this paper, we consider a mixed system consisting of <i>n</i> components, assuming that all components are operational at time <i>t</i>. By utilizing the system signature, we are able to compute the cumulative residual entropy of a mixed system’s remaining lifetime. This metric serves as a valuable tool for evaluating the predictability of a system’s lifetime. We study several results related to the cumulative residual entropy of mixed systems, including expressions, limits, and order properties. These results shed light on the behavior of the measure and provide insights into the predictability of mixed systems. In addition, we propose a criterion for selecting a preferred system based on the relative residual cumulative entropy. This criterion is closely related to the parallel system and provides a practical way to choose the best system configuration. Overall, the present study of cumulative residual entropy and the proposed selection criterion provide valuable insights into the predictability of mixed systems and can be applied in various fields.https://www.mdpi.com/1099-4300/25/7/1033coherent systemcumulative residual entropyShannon entropysystem signature
spellingShingle Mohamed Kayid
Mashael A. Alshehri
Cumulative Residual Entropy of the Residual Lifetime of a Mixed System at the System Level
Entropy
coherent system
cumulative residual entropy
Shannon entropy
system signature
title Cumulative Residual Entropy of the Residual Lifetime of a Mixed System at the System Level
title_full Cumulative Residual Entropy of the Residual Lifetime of a Mixed System at the System Level
title_fullStr Cumulative Residual Entropy of the Residual Lifetime of a Mixed System at the System Level
title_full_unstemmed Cumulative Residual Entropy of the Residual Lifetime of a Mixed System at the System Level
title_short Cumulative Residual Entropy of the Residual Lifetime of a Mixed System at the System Level
title_sort cumulative residual entropy of the residual lifetime of a mixed system at the system level
topic coherent system
cumulative residual entropy
Shannon entropy
system signature
url https://www.mdpi.com/1099-4300/25/7/1033
work_keys_str_mv AT mohamedkayid cumulativeresidualentropyoftheresiduallifetimeofamixedsystematthesystemlevel
AT mashaelaalshehri cumulativeresidualentropyoftheresiduallifetimeofamixedsystematthesystemlevel