Reliability equivalence factor of a parallel system subject to timevarying failure rates

Abstract

The reliability equivalence factors of n-independent and identical component of parallel system such that the failure rates of the system’s components are assumed to be time varying failure rate. Three different methods to improve the quality of a system are considered by Råde [5, 6].The mean time to failure of the original and improved system are obtained .Comparison between  The mean time to failure of  the improved system obtained via different methods used is presented . Numerical studies are presented   to Compare the different  reliability factors.