https://shcpub.in/index.php/cm en-US editorinchief-cm@shcpub.in (Dr. G. Britto Antony Xavier) managingeditor@shcpub.in (Dr. G. Britto Antony Xavier) Tue, 13 Jan 2026 06:13:10 +0000 OJS 3.1.2.4 http://blogs.law.harvard.edu/tech/rss 60 https://shcpub.in/index.php/cm/article/view/449 <p>In this paper, we consider on a multistate degenerative system with k working states and <em>l</em>-failure states and study the maintenance problems under various bivariate replacement polices (<em>T, N</em>)<em>,</em>(<em>T </em>+<em>, N</em>)<em>,</em>(<em>U, N</em>)<em>,</em>(<em>U </em><em>−</em><em>, N</em>). The long-run average cost of a multistate degenerative system is calculated. Under the afore-mentioned bivariate replacement policies under partial product process optimality in inferred. In this study, the results developed are strengthened with numerical examples.</p> Affan Ahmed J, Govindaraju P, Rizwan U, Mohamed Ali A Copyright (c) 2026 https://shcpub.in/index.php/cm/article/view/449 Tue, 13 Jan 2026 00:00:00 +0000