...Ashok Singh Bhandari; Akshay Kumar; Mangey Ram Purpose In this research work, the general form of reliability measures, which include availability, mean time to failure (MTTF), and sensitivity analysis, are investigated with their graphical representation, which would help designers and engineers...

...) approach has been implemented for studying risk issues results in decrease in plant's availability. Moreover, IF- Technique for Order Performance by Similarity to Ideal Solution (IF-TOPSIS) is implemented to verify accuracy of IF-FMEA approach. Findings For membership and non-membership functions...

... design cost, reliability, availability and service cost. The authors found that investment in reliability increases system availability while reducing total service costs. Furthermore, increasing the spare parts inventory was determined to have less influence on the readiness of highly reliable systems...

... to achieve desired level of reliability, maintainability and availability. Design/methodology/approach This paper investigates and optimizes the availability of biological and chemical unit of a sewage treatment plant. A novel mathematical model for this unit is developed using the Markovian birth-death...

... phase. In the discovery phase, the sink broadcasts the interest message throughout the network. This causes the source node to trigger the route construction. The maintenance phase is triggered when there is no response between hops during packet transfer. If no existing path is available, the source...

... repair for system better performance. Findings In this analysis, four different cases of availability are analysed for Gumbel–Hougaard family copula and also four cases for general repair with similar failure rates are studied. The authors found that when failure rates increase, the system...

...Ismail Muhammad Musa; Ibrahim Yusuf Purpose The purpose of this paper is to model and to improve the stability and long-lasting operation of the small home solar system configuration regarding the reliability, availability, sensitivity, cost analysis and mean time to failure (MTTF). Design...

... in this study, and emphasis is placed upon determining its availability and cost rate. Design/methodology/approach The considered single-unit system is expected to have three states, namely, normal, degraded and failed. As the system enters the degraded state, it is said to be partially failed. The degraded...

... availability, reliability, mean time to failure (MTTF), MTTF sensitivity and gain feature in this research. To measure the reliability of PV systems, a collection of reliability indices has been created. Furthermore, detailed sensitivity tests are carried out to examine the effect of various factors...

... is analysed using Laplace transforms to solve the mathematical equations. Some important measures of reliability such as availability of system, reliability of the system, mean time to failure (MTTF), sensitivity for MTTF and cost analysis have been discussed. Some particular cases have also been derived...

... Availability Reliability MTSF Supplementary variables Gumbel- Hougaard family copula The application of networking systems in communication plays a vital role in the interconnection of clients where the necessary information is communicated. For communication purposes, the clients are connected...

...Thangamani Gurunathan Purpose The purpose of this paper to present a practical and systematic approach to estimate the availability of a process plant using generalized stochastic Petri nets (GSPNs). The actual live problem at a fluid catalytic cracking unit (FCCU) of a refinery is used...

... transition system with various types of failures has been analyzed by using the Markov process, supplementary variable technique and Laplace transformation. Findings Various reliability measures such that reliability, availability, mean time to failure (MTTF), mean time to repair and cost analysis have...

... The correct development of Maintenance 4.0 relates to the correct implementation of Industry 4.0. Practical implications Maintenance 4.0 will greatly improve the main operating indicators: safety, reliability, availability and cost. Social implications Maintenance 4.0 will contribute to a circular...

...Zahra Hashemzadeh Ghalhari; Ali Zeinal Hamadani Purpose This paper employs new methods to evaluate the availability of multistate series–parallel systems, in which a number of similar components are available in each subsystem. Design/methodology/approach In this paper, polynomial distribution...

... transforms. All failures are assumed to follow exponential distribution, whereas repairs follow two types of distributions that are general and Gumbel–Hougaard family copula. In this paper, explicit expressions for reliability, availability, mean time to failure (MTTF) and cost analysis functions have been...

... in the demand of cement is to increase the capacity utilization of the existing cement plants by improving their availability. The availability of a cement plant can be improved by avoiding failures and reducing maintenance time through reliability, availability and maintainability (RAM) analysis of its...

...Ankur Bahl; Anish Sachdeva; Rajiv Kumar Garg Purpose The purpose of this paper is to prepare a methodology to evaluate availability analysis of distillery plant using Petri nets (PN). The effect of various failures, repair rate and availability of repair facilities on the system has been studied...

...Panagiotis Tsarouhas† Purpose The purpose of this paper is to provide results for a complete reliability, availability, and maintainability (RAM) analysis utilizing data sets from a production system in a wine packaging line. Through the illustrated case study, the author demonstrates how RAM...

...Garima Chopra; Mangey Ram Purpose The purpose of this paper is to evaluate various reliability metrics such as transition state probabilities, availability, reliability, mean time to failure and expected profit of two non-identical unit parallel system incorporating waiting time. Design...