27 Facts About Reliability engineering

Reliability engineering is a sub-discipline of systems engineering that emphasizes the ability of equipment to function without failure.

Reliability engineering is closely related to availability, which is typically described as the ability of a component or system to function at a specified moment or interval of time.

Reliability engineering often plays the key role in the cost-effectiveness of systems.

Reliability engineering focuses on costs of failure caused by system downtime, cost of spares, repair equipment, personnel, and cost of warranty claims.

Reliability engineering was now changing as it moved towards understanding the physics of failure.

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Effective reliability engineering requires understanding of the basics of failure mechanisms for which experience, broad engineering skills and good knowledge from many different special fields of engineering are required, for example:.

Reliability engineering needs to be evaluated and improved related to both availability and the total cost of ownership due to cost of spare parts, maintenance man-hours, transport costs, storage cost, part obsolete risks, etc.

Any system, one of the first tasks of reliability engineering is to adequately specify the reliability and maintainability requirements allocated from the overall availability needs and, more importantly, derived from proper design failure analysis or preliminary prototype test results.

Reliability engineering requirements are included in the appropriate system or subsystem requirements specifications, test plans, and contract statements.

Design for Reliability engineering is a process that encompasses tools and procedures to ensure that a product meets its reliability requirements, under its use environment, for the duration of its lifetime.

Many of the tasks, techniques, and analyses used in Reliability Engineering are specific to particular industries and applications, but can commonly include:.

Reliability engineering is just one requirement among many for a complex part or system.

Systems Reliability engineering is very much about finding the correct words to describe the problem, so that they can be readily solved via Reliability engineering solutions.

Reliability engineering modeling is the process of predicting or understanding the reliability of a component or system prior to its implementation.

Reliability engineering is defined as the probability that a device will perform its intended function during a specified period of time under stated conditions.

Reliability engineering is used to design a realistic and affordable test program that provides empirical evidence that the system meets its reliability requirements.

Software reliability engineering relies heavily on a disciplined software engineering process to anticipate and design against unintended consequences.

Reliability engineering estimates are updated based on the fault density and other metrics.

Safety Reliability engineering is often highly specific, relating only to certain tightly regulated industries, applications, or areas.

Basic reliability engineering covers all failures, including those that might not result in system failure, but do result in additional cost due to: maintenance repair actions; logistics; spare parts etc.

The systems Reliability engineering process is a discovery process that is often unlike a manufacturing process.

Reliability engineering is more targeted towards clients who are focused on failures throughout the whole life of the product such as the military, airlines or railroads.

In contrast with Six Sigma, reliability engineering solutions are generally found by focusing on reliability testing and system design.

Furthermore, reliability engineering uses system-level solutions, like designing redundant and fault-tolerant systems for situations with high availability needs.

Reliability engineering is critical to early system design, it has become common for reliability engineers the organization is structured, to work as part of an integrated product team.

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Many engineering programs offer reliability courses, and some universities have entire reliability engineering programs.

Reliability engineering engineers are required in systems where public safety is at risk.