نتایج جستجو برای: mttf

تعداد نتایج: 210  

Availability and reliability of a manufacturing system are the most common indicators in the reliability engineering area to assess the quality and on-time deliveries of the products they produce. The purpose of this paper is to analyze the availability, reliability. failure metrics such as MTBF and MTTF, and also steady-state availability of a cooking oilproduction line using a Markov approach...

The present paper investigates the reliability and sensitivity analysis of a coal handling unit of a thermal power plant using a probabilistic approach. Coal handling unit is the main block of a thermal power plant and it is necessary for a good function of a power plant that its power supply, which is dealt in coal handling unit, must function continuously without any obstacle. The configurati...

Journal: :Journal of reliability and statistical studies 2023

The concerned study pertains to the development of a new stochastic model for reliability analysis linear consecutive-k-out-of-n: G system, where k>n2. In developed model, system may collapse as result common cause failure or hardware in its units. has exponentially distributed rates, and case breakdown, it is repaired with copula method. been examined through supplementary variable techniqu...

Journal: :Scientia Iranica 2023

An integrated intelligent algorithm is proposed to optimize the reliability, maintainability, and total cost in job shop production system. The consists of three basic modules computer simulation. each comprising phases Algorithm, simulation, Experiments/robustness validation. In design phase, different scenarios are determined by changing parameters affecting cost. system simulated simulation ...

2015
Bianca Schroeder Garth A. Gibson

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...

Journal: :Vortex 2022

Reliability is used to estimate the conditions of systems or components in future based on previous conditions. The objects this research are EC 155B1 aircrafts owned by Indonesia Air Transport & Infrastrucure (IAT), and method for analysis markov analysis. Markov widely as an analyzing technique states system that has limited information (memoryless). From research, ATA chapter 62 Main Rot...

2011
R. N. Yadav

109 Abstract—Static reliability and dynamic reliability are based on electrical power system parameters. The dual network can work as deadbeat controller for the objective network the mechanical parameters are always coupled, with electrical parameters and they cannot be separated. One can use the Fuzzy logic theory to deal with electrical parameters coupled with mechanical parameters in calcul...

2015
M. MANGLIK

In this paper an analytical approach for the reliability evaluation of complex manufacturing system is presented, where a manufacturing system is in operative state only if its production capacity requirements are satisfied. We considered a manufacturing system with three types of failures namely type I, type II and type III failures. The proposed system works in four modes: normal, degraded, d...

2002
M. V. TKACHUK

Software reengineering is a very difficult and expensive process, which requires as a lot of “mechanical” activity: by restructuring of the legacy source code to a new one, and a human intervention by high-level restructuring: for the changes needed in overall legacy system behavior scenario, and in the system architecture. That is why a very important problem is the forming of an effectively M...

Journal: :International Journal of Power Electronics and Drive Systems 2022

The effectiveness and reliability of the unified power flow controller (UPFC) are determined by insulated gate bipolar transistor (IGBT) valve. Thermal losses, conduction switching losses in IGBT valve all affect efficiency UPFC. failure rate converter valves is influenced junction temperature, which has an impact on converter's reliability. Piecewise linear electrical circuit simulation (PLECS...

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