Abstract
A powerloom plant consists of two units A and B( n) connected in series. Unit B( n) has n components in parallel redundancy that carry threads of different varieties/colours to unit A. Unit A is the strategic unit that weaves these threads together and produces a long piece of cloth of some standard size. Failure of unit A makes the entire system fail whereas the failure of k components out of n in unit B( n) results in the system working in a degraded state. The present paper deals with the reliability analysis of the powerloom plant with a cold standby for its strategic unit. The common cause failure and critical human errors have also been considered to avoid overestimation of the reliability of the system. Results of Dhillon [ Int. J. cyst. Sci. 23, 1277–1287 (1992)] have been deduced as a particular case of our result.
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