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This paper models a complex system to analyse its reliability characteristics. The system has two possible modes-normal and failed with two types of repair facilities-major and minor. The system can fail due to failure of any units which can fail in n-mutually exclusive ways or common cause failure. Each component of the system has a constant failure rate.(More)
In this paper we propose a new coverage model which shows improvement in the availability of the system and the reduction in the cost which are important measures for reliability. The present study discusses the effect of coverage factor on the reliability characteristics of a parallel redundant complex system. The system is analysed under Preemptive(More)
We present a novel method for cost analysis of an engineering system, which consists of two subsystems, viz. subsystem-1 and subsystem-2 with controllers. Subsystem-1 works under the k-out-of- n: good policy. Subsystem-2 consists of three identical units in parallel configuration. Both of these subsystems are connected in series. The controllers control(More)
Fault tolerant networks are being used to provide more reliable network connections. Development of the fault-tolerant computing system requires accurate reliability modeling. Numerical formulations and complex models are commonly used for obtaining reliability measures. These measures are functions of component failure rates and fault-coverage. Coverage(More)