Pumping systems are an integral part of water desalination plants, their effective functioning is vital for the operation of a plant. In this research work, the reliability and availability of pressurized pumps in a reverse osmosis desalination plant are studied with the objective of finding configurations that provides optimal performance. Six configurations of a series system with different n...

Accelerated degradation tests (ADTs) can provide timely relia bility information of product. Hence ADTs have been widely used to assess the lifetime distribution highly reliable products. In order properly predict distribution, modeling product’s path plays a key role in analysis. this paper, we use stochastic diffusion process describe and recursive formula for be obtained by using first passa...

Computer systems capable of teraflop computation are becoming a near-term reality with the emergence of high-speed powerful processors that can run cooperatively in a multiprocessor system.. The underlying fabric that supports communication among processors in the system is the interconnection network. The basic function of an interconnection network is to transfer information from the input no...

This paper is focused on survival analysis of electrical components. The main goal of this paper is to develop a method for on-line estimation of the Mean Time To Failure (MTTF) of electrical components under dynamic stress levels. The proposed method models the variations of the stress levels as a stochastic process. Hence, a stochastic failure rate function can be developed for each electrica...

In this paper, we examine the reliability of multi-path multi-stage interconnection networks (MINs) of different class. The bounded expressions for the time-dependent reliability for 16 x 16 Zeta Networks (ZTNs) and 16 x 16 Augmented Shuffle-Exchange Networks (ASENs) are derived. Furthermore, reliability upper bound and lower bound that is useful for the analysis of large networks is derived. T...

In airline industries, the aircraft maintenance cost takes up about 13% of the total operating cost. It can be reduced by a good planning. Spare parts inventories exist to serve the maintenance planning. Compared with commonly used reorder point system (ROP) and forecasting methods which only consider historical data, this paper presents two non-linear programming models which predict impending...

The design of a suitable interconnection network for inter-processor communication is one of the key issues of the system performance. The reliability of these networks and their ability to continue operating despite failures are major concerns in determining the overall system performance. In this paper a new irregular network IABN (Irregular Augmented Baseline) has been proposed. IABN is desi...

Vehicular cloud (VC) is a promising technology for processing computation-intensive applications (CI-Apps) on smart vehicles. Implementing VCs over the network edge faces two key challenges: (C1) On-board computing resources of single vehicle are often insufficient to process CI-App; (C2) The dynamics available resources, caused by vehicles’ mobility, hinder reliable CI-App processing. This wor...

Component failure in large-scale IT installations is becoming an ever larger problem as the number of components in a single cluster approaches a million. In this paper, we present and analyze field-gathered disk replacement data from a number of large production systems, including high-performance computing sites and internet services sites. About 100,000 disks are covered by this data, some f...

A PLTU must carry out operational tasks continuously to meet electricity needs. Based on historical data PT. PJB Service Kendari for the last three years, there has been an increasing trend of downtime and derating at Nii Tanasa Kendari. The boiler system is one systems that often experiences disturbances. purpose this research a risk analysis improve reliability using FMECA method calculations...