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Seminar: Some Ramblings on Reliability

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May 12, 2014
from 11:00 AM to 11:55 AM


Q233 Lochlann Quinn School of Business

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A seminar by Visiting Prof S P Mukherjee, from the Indian Association For Productivity, Quality And Reliability.


Reliability of a device or an equipment (component or assembly or system) can be looked upon as an extension of its Quality beyond production to the use phase in the life-cycle of the device. It is often taken as the probability that the device can function satisfactorily; for a specified mission time. However, the implication of satisfactory performance has been generally downplayed. In fact, we need different definitions of Reliability for different types of equipment - repairable or not, instantaneous-duty or intermittent-duty or continuous-duty. Reliability has to be estimated from different types of data arising from different sources. In the parametric approach, one has to assume some underlying probability model for time-to-failure or number of failures (in a pre-specified time). Some of the problems which arise in practice in these connections and justify some relatively complex procedures will be considered.