Application of the Confidence Level Concept in Reliability Analysis

Katia Lucchesi Cavalca; Geórgia Fontes Cintra

doi:10.4271/2002-01-3415

2002-11-19

Application of the Confidence Level Concept in Reliability Analysis 2002-01-3415

The purpose of this software we developed was to make na analyses of the quality of mechanical components using reliability calculus. The computer program is a powerful tool, for it deals with failure tests, commonly used in practice to obtain the mean life, which is a fundamental parameter in advanced techniques of maintenance.

Moreover, the work intends to make accessible concepts related to the reliability of systems and components in Mechanic Engineering, making possible a better understanding and familiarity. The subject is of great application in the great industries and projects with high levels of precision and security.

What will determine the satisfaction of the customer after a component, and in consequence, its retention is the performance of its technique characteristics in the period of its life. The reliability, then, appears as a tool capable to define the probability that then product will play its functions foreseen for a period of time, under specific conditions of operation. How many products fail in its basic characteristics causing innumerable problems to the users and to the community?

Thus, it is necessary to guarantee these basic aspects of the reliability through the analyses of the results generated by the software: the value of the probability, the time of use and therefore, the quality of the product.

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Application of the Confidence Level Concept in Reliability Analysis 2002-01-3415

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