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Reliability Allocation Technique

Reliability Allocation Technique

Abstract

Every system has a reliability goal that needs to be achieved. Reliability allocations are used to set the goals for various subsystem or functional blocks such that the overall system level reliability can be achieved in an effective way. There are various methodologies that exist to provide guidelines on the allocation techniques, which are more theoretical. The allocation technique described here ensures that the allocation is done rationally with consideration of factors such as complexity, state of art and duty cycle of the functional group or sub-system. This approach was experimented in one of the HCL Project and found the approach to be more pragmatic than compared to the other allocation techniques.

Excerpts from the Paper
In the theoretical approach of most sought feasibility of objective methodology, only four factors such as Intricacy, State of Art, Operating time and Environment were considered, but in our approach, we have considered cost and criticality factors which play a vital role in product development and product safety. This approach is defined as “Modified Feasibility of Objectives” reliability allocation technique and can be tailored with additional factors to refine the allocation depending on the product and its application.
Reliability allocation is the  process of allocation of system reliability target to sub-system or functional groups according to rational factors so that the target reliability requirement or goal into subsystem and component requirements or goals.

 

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