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This paper studies a series repairable system with a single repair facility in which the component lifetime and repair time are subject to general distribution that can be represented as Phase-type (PH) distribution. Based on the basic assumption, the proposed model is more suitable to characterize the real situation. The process of solving system steady-state probability is provided, and the analytical...
This research investigates a k-out-of-n system in which the lifetime of operational and standby components, the repair time follow continuous phase-type (PH) distribution, instead of exponential distribution or others typical distributions. The proposed paper provides an analytic reliability model that is more suitable to characterize the real situation. The stationary distribution is built by using...
This research investigates the multi-state reliability of single-component repairable system, considering maximal/minimal repair pattern. We assume that the operational and repair times of the system follow continuous Phase-type distribution, instead of exponential distribution or others typical distributions, which make the reliability model more adaptive to describe real situations. The proposed...
Many of the problems found in the uses of exception handling are caused by the lack of testing and a priori design of the exceptional behavior. As a consequence, exceptions flow in unforeseen ways during the execution of a software system, causing a negative impact on reliability. This paper presents a new agile approach to test the exceptional behavior of a system. It supports developers in checking...
This paper presents a study of the repair process performed in five Colombian power distribution systems using queuing theory concepts. It represents the input and service processes of the queuing system by means of stochastic point process models and assesses the repair process performance indexes applying a procedure of sequential Monte Carlo simulation. Results shows: i. The power law stochastic...
The failure of the mechanical products is not only accidental, but also gradualness. A very important part, in the course of maintenance and support of the mechanical system, is to find out ldquothe sources of failurerdquo which cause the damage of the system components, in order to take the pertinence preventive measures in time. This paper applies the reliability design and reliability analysis...
According to the essential reasons for equipments failure of diesel locomotive, the shortages of present calculating method of overhaul cycle of diesel locomotive are analyzed. Simultaneously, a new overhaul cycle model based on the stress analysis is presented. This model adopts Miner Criterion and reliability theory to estimate the equipmentspsila maintenance life-time of diesel locomotive and to...
An efficient on-chip infrastructure for memory test and repair is crucial to enhance yield and availability of SoCs. Most of the existing built-in self-repair solutions reuse IP-Cores for BIST without modifications. However, this prevents an optimized test and repair interaction. In this paper, the concept of modular BIST for memories is introduced, which supports a more efficient interleaving of...
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