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A Modified Method for Calculating Reliability Allocation

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 زاهر عبد الهادي حسن الشنون
5/23/2011 7:41:20 PM
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A Modified Method for Calculating Reliability Allocation  in Series – Parallel Systems
 
Zahir Abdul Haddi Hassan
 
   University of Babylon
 
    College of Education    
Abstract:
 
In order to improve system reliability, designers may introduce a system of different technologies in parallel. When each technology is composed of components in series, the architecture belongs to the series-parallel systems. This type of system has not been studied as much as the parallel-series ones. There exists no method dedicated to the reliability allocation in series-parallel systems with different technologies. We propose in this paper a study of this reliability allocation problem.
 
Introduction
 
Many researchers work to evaluate the reliability allocation in series, complex systems like Srinath (1985) , Subrie (1996) and Kalia (2004).
 
The process by which the failure allowance for a system is allocated in some logical manner its sub-systems and elements is termed reliability allocation. This problem is different from that determining the system reliability based on individual reliability values of the elements and sub – systems that constitute the system. The purpose of reliability allocation is to establish a goal or objective for the reliability of each component so that the manufacturers can have an idea of the performance required of this product.


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  • reliability system , reliability allocation