Abstract
AbstractPresent article discusses the problem of lesser availability of the operating systems in process industries. Complex systems, continuous breakdowns and unplanned maintenance strategies are the major reasons for poor performance of the plants. The concept of reliability plays a significant role in improving the system availability. Uninterrupted service and long-run availability are the basic needs of complex systems as in the sugar industry, thermal power plants, milk industry, mining, petroleum industries, etc. Different approaches are utilized by researchers in various fields to check the performance of the operating equipment. These approaches are genetic algorithm (GA), Petri nets (PN), fault tree analysis (FTA), supplementary variable technique (SVT), fuzzy Lambda-Tau technique, reliability, availability and maintainability (RAM) analysis, reliability, availability, maintainability, dependability (RAMD) analysis, failure mode and effect analysis (FMEA) and degradation modelling techniques, etc. The improvement has been seen in the performance of the systems based on mathematical data using the above techniques. Article also proposes new areas where research can be carried out.KeywordsReliabilityAvailabilityMaintainabilityOperating systemFailureMathematical modelsProcess industry
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