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Reliability engineering

Index Reliability engineering

Reliability engineering is a sub-discipline of systems engineering that emphasizes dependability in the lifecycle management of a product. [1]

145 relations: Accelerated life testing, Airbag, American Society for Quality, ARP4761, Availability, Bell Labs, Block diagram, Built-in self-test, Burn-in, Capability Maturity Model, Chemical engineering, Code coverage, Combination, Company, Complex system, Confidence interval, Configuration management, Corrosion, Cost-effectiveness analysis, Dependability, Derating, Design for X, Design of experiments, Document, Electric battery, Electric current, Electrical engineering, Factor of safety, Fail-safe, Failing badly, Failure cause, Failure mode and effects analysis, Failure rate, Failure reporting, analysis, and corrective action system, Fatigue (material), Fault tree analysis, Finite element method, Flight computer, Fluid mechanics, Fracture mechanics, Frank Lees, Goddard Space Flight Center, Government, Hazard analysis, Highly accelerated life test, Highly accelerated stress test, Human error, Human factors and ergonomics, Human reliability, IEEE Reliability Society, ..., Industrial engineering, Institute of Electrical and Electronics Engineers, Institute of Industrial and Systems Engineers, Integrated circuit, Integrated logistics support, Integrated product team, Jet Propulsion Laboratory, List of software reliability models, Logistics, Logistics engineering, Maintainability, Maintenance (technical), Mars rover, Materials science, Mathematical model, Mathematical optimization, Mean time between failures, Mean time to repair, Missile, NASA, Naval Surface Warfare Center, Oliver Wendell Holmes Sr., Organizational structure, Parameter, Performance engineering, Physics of failure, Probability, Probability density function, Product (business), Product certification, Product lifecycle, Proposition, Quality (business), Quality assurance, Quality control, RAMS, Redundancy (engineering), Regulation and licensure in engineering, Reliability theory of aging and longevity, Reliability, availability and serviceability, Reliability-centered maintenance, Repeatability, Requirement, Risk, Risk assessment, Risk-based inspection, Root cause analysis, Safety case, Safety engineering, Safety integrity level, Samuel Taylor Coleridge, Security engineering, Simplified Technical English, Simulation, Single point of failure, Six Sigma, Software engineering, Software metric, Software peer review, Software quality, Software reliability testing, Solid mechanics, Specialty engineering, Spurious trip level, Stakeholder (corporate), Statement of work, Statistical process control, Stochastic, Strength of materials, Stress (mechanics), Stress testing, Structural fracture mechanics, System, System safety, Systems engineering, Systems theory, Telcordia Technologies, Temperature cycling, Testability, The Aerospace Corporation, Thermal analysis, Thermal engineering, Trevor Kletz, Tribology, Triple modular redundancy, Uncertainty, Unintended consequences, Unit testing, United States Department of Defense, Use case, Vibration fatigue, Waloddi Weibull, Walter A. Shewhart, Weibull distribution, Wrong-side failure. Expand index (95 more) »

Accelerated life testing

Accelerated life testing is the process of testing a product by subjecting it to conditions (stress, strain, temperatures, voltage, vibration rate, pressure etc.) in excess of its normal service parameters in an effort to uncover faults and potential modes of failure in a short amount of time.

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Airbag

An airbag is a type of vehicle safety device and is an occupant restraint system.

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American Society for Quality

The American Society for Quality (ASQ), formerly the American Society for Quality Control (ASQC), is a knowledge-based global community of quality professionals, with nearly 80,000 members dedicated to promoting and advancing quality tools, principles, and practices in their workplaces and communities.

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ARP4761

ARP4761, Guidelines and Methods for Conducting the Safety Assessment Process on Civil Airborne Systems and Equipment is an Aerospace Recommended Practice from SAE International.

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Availability

In reliability theory and reliability engineering, the term availability has the following meanings.

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Bell Labs

Nokia Bell Labs (formerly named AT&T Bell Laboratories, Bell Telephone Laboratories and Bell Labs) is an American research and scientific development company, owned by Finnish company Nokia.

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Block diagram

A block diagram is a diagram of a system in which the principal parts or functions are represented by blocks connected by lines that show the relationships of the blocks.

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Built-in self-test

A built-in self-test (BIST) or built-in test (BIT) is a mechanism that permits a machine to test itself.

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Burn-in

Burn-in is the process by which components of a system are exercised prior to being placed in service (and often, prior to the system being completely assembled from those components).

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Capability Maturity Model

The Capability Maturity Model (CMM) is a development model created after a study of data collected from organizations that contracted with the U.S. Department of Defense, who funded the research.

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Chemical engineering

Chemical engineering is a branch of engineering that uses principles of chemistry, physics, mathematics and economics to efficiently use, produce, transform, and transport chemicals, materials and energy.

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Code coverage

In computer science, test coverage is a measure used to describe the degree to which the source code of a program is executed when a particular test suite runs.

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Combination

In mathematics, a combination is a selection of items from a collection, such that (unlike permutations) the order of selection does not matter.

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Company

A company, abbreviated as co., is a legal entity made up of an association of people for carrying on a commercial or industrial enterprise.

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Complex system

A complex system is a system composed of many components which may interact with each other.

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Confidence interval

In statistics, a confidence interval (CI) is a type of interval estimate, computed from the statistics of the observed data, that might contain the true value of an unknown population parameter.

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Configuration management

Configuration management (CM) is a systems engineering process for establishing and maintaining consistency of a product's performance, functional, and physical attributes with its requirements, design, and operational information throughout its life.

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Corrosion

Corrosion is a natural process, which converts a refined metal to a more chemically-stable form, such as its oxide, hydroxide, or sulfide.

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Cost-effectiveness analysis

Cost-effectiveness analysis (CEA) is a form of economic analysis that compares the relative costs and outcomes (effects) of different courses of action.

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Dependability

In systems engineering, dependability is a measure of a system's availability, reliability, and its maintainability, and maintenance support performance, and, in some cases, other characteristics such as durability, safety and security.

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Derating

In electronics, derating (or de-rating) is the operation of a device at less than its rated maximum capability in order to prolong its life.

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Design for X

Design for excellence, Design for Excellence, or Design For Excellence (DFX or DfX), are terms and expansions used interchangeably in the existing literature, where the X in design for X is a variable which can have one of many possible values.

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Design of experiments

The design of experiments (DOE, DOX, or experimental design) is the design of any task that aims to describe or explain the variation of information under conditions that are hypothesized to reflect the variation.

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Document

A document is a written, drawn, presented, or memorialized representation of thought.

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Electric battery

An electric battery is a device consisting of one or more electrochemical cells with external connections provided to power electrical devices such as flashlights, smartphones, and electric cars.

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Electric current

An electric current is a flow of electric charge.

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Electrical engineering

Electrical engineering is a professional engineering discipline that generally deals with the study and application of electricity, electronics, and electromagnetism.

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Factor of safety

Factors of safety (FoS), is also known as (and used interchangeably with) safety factor (SF), is a term describing the load carrying capacity of a system beyond the expected or actual loads.

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Fail-safe

A fail-safe in engineering is a design feature or practice that in the event of a specific type of failure, inherently responds in a way that will cause no or minimal harm to other equipment, the environment or to people.

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Failing badly

Failing badly and failing well are concepts in systems security and network security (and engineering in general) describing how a system reacts to failure.

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Failure cause

Failure causes are defects in design, process, quality, or part application, which are the underlying cause of a failure or which initiate a process which leads to failure.

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Failure mode and effects analysis

Failure mode and effects analysis (FMEA)—also "failure modes", plural, in many publications—was one of the first highly structured, systematic techniques for failure analysis.

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Failure rate

Failure rate is the frequency with which an engineered system or component fails, expressed in failures per unit of time.

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Failure reporting, analysis, and corrective action system

A failure reporting, analysis, and corrective action system (FRACAS) is a system, sometimes carried out using software, that provides a process for reporting, classifying, analyzing failures, and planning corrective actions in response to those failures.

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Fatigue (material)

In materials science, fatigue is the weakening of a material caused by repeatedly applied loads.

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Fault tree analysis

Fault tree analysis (FTA) is a top-down, deductive failure analysis in which an undesired state of a system is analyzed using Boolean logic to combine a series of lower-level events.

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Finite element method

The finite element method (FEM), is a numerical method for solving problems of engineering and mathematical physics.

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Flight computer

Flight computer, or simply the "whiz wheel", is a form of circular slide rule used in aviation and one of a very few analog computers in widespread use in the 21st century.

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Fluid mechanics

Fluid mechanics is a branch of physics concerned with the mechanics of fluids (liquids, gases, and plasmas) and the forces on them.

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Fracture mechanics

Fracture mechanics is the field of mechanics concerned with the study of the propagation of cracks in materials.

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Frank Lees

Francis Pearson Lees (5 April 1931 – 18 March 1999), usually known as Frank Lees, was a chemical engineer and a Professor at Loughborough University who is noted for his contribution to the field of industrial safety.

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Goddard Space Flight Center

The Goddard Space Flight Center (GSFC) is a major NASA space research laboratory located approximately northeast of Washington, D.C. in Greenbelt, Maryland, United States.

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Government

A government is the system or group of people governing an organized community, often a state.

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Hazard analysis

Note: Parts of this article are written from the perspective of aircraft safety analysis techniques and definitions; these may not represent current best practice and the article needs to be updated to represent a more generic description of hazard analysis and discussion of more modern standards and techniques.

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Highly accelerated life test

A highly accelerated life test (HALT), is a stress testing methodology for enhancing product reliability.

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Highly accelerated stress test

The highly accelerated stress test (HAST) method was first proposed by Jeffrey E. Gunn, Sushil K. Malik, and Purabi M. Mazumdar of IBM.

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Human error

Human error has been cited as a primary cause contributing factor in disasters and accidents in industries as diverse as nuclear power (e.g., the Three Mile Island accident), aviation (see pilot error), space exploration (e.g., the Space Shuttle Challenger Disaster and Space Shuttle Columbia disaster), and medicine (see medical error).

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Human factors and ergonomics

Human factors and ergonomics (commonly referred to as Human Factors), is the application of psychological and physiological principles to the (engineering and) design of products, processes, and systems.

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Human reliability

Human reliability (also known as human performance or HU) is related to the field of human factors and ergonomics, and refers to the reliability of humans in fields including manufacturing, medicine and nuclear power.

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IEEE Reliability Society

The IEEE Reliability Society is a society of the Institute of Electrical and Electronics Engineers (IEEE) with a focus on Reliability Engineering.

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Industrial engineering

Industrial engineering is a branch of engineering which deals with the optimization of complex processes, systems, or organizations.

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Institute of Electrical and Electronics Engineers

The Institute of Electrical and Electronics Engineers (IEEE) is a professional association with its corporate office in New York City and its operations center in Piscataway, New Jersey.

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Institute of Industrial and Systems Engineers

The Institute of Industrial and Systems Engineers (IISE), formerly the Institute of Industrial Engineers, is a professional society dedicated solely to the support of the industrial engineering profession and individuals involved with improving quality and productivity.

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Integrated circuit

An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, normally silicon.

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Integrated logistics support

Integrated logistics support (ILS) is an integrated and iterative process for developing materiel and a support strategy that optimizes functional support, leverages existing resources, and guides the system engineering process to quantify and lower life cycle cost and decrease the logistics footprint (demand for logistics), making the system easier to support.

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Integrated product team

An integrated product team (IPT) is a multidisciplinary group of people who are collectively responsible for delivering a defined product or process.

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Jet Propulsion Laboratory

The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center in Pasadena, California, United States, with large portions of the campus in La Cañada Flintridge, California.

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List of software reliability models

Software reliability is the probability of the software causing a system failure over some specified operating time.

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Logistics

Logistics is generally the detailed organization and implementation of a complex operation.

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Logistics engineering

Logistics engineering is a field of engineering dedicated to the scientific organization of the purchase, transport, storage, distribution, and warehousing of materials and finished goods.

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Maintainability

In engineering, maintainability is the ease with which a product can be maintained in order to.

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Maintenance (technical)

The technical meaning of maintenance involves operational and functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure, and supporting utilities in industrial, business, governmental, and residential installations.

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Mars rover

A Mars rover is an automated motor vehicle that propels itself across the surface of the planet Mars upon arrival.

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Materials science

The interdisciplinary field of materials science, also commonly termed materials science and engineering is the design and discovery of new materials, particularly solids.

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Mathematical model

A mathematical model is a description of a system using mathematical concepts and language.

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Mathematical optimization

In mathematics, computer science and operations research, mathematical optimization or mathematical programming, alternatively spelled optimisation, is the selection of a best element (with regard to some criterion) from some set of available alternatives.

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Mean time between failures

Mean time between failures (MTBF) is the predicted elapsed time between inherent failures of a mechanical or electronic system, during normal system operation.

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Mean time to repair

Mean Time To Repair (MTTR) is a basic measure of the maintainability of repairable items.

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Missile

In modern language, a missile is a guided self-propelled system, as opposed to an unguided self-propelled munition, referred to as a rocket (although these too can also be guided).

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NASA

The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.

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Naval Surface Warfare Center

A Naval Surface Warfare Center is part of the Naval Sea Systems Command (NAVSEA) operated by the United States Navy.

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Oliver Wendell Holmes Sr.

Oliver Wendell Holmes Sr. (August 29, 1809 – October 7, 1894) was an American physician, poet, and polymath based in Boston.

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Organizational structure

An organizational structure defines how activities such as task allocation, coordination and supervision are directed toward the achievement of organizational aims.

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Parameter

A parameter (from the Ancient Greek παρά, para: "beside", "subsidiary"; and μέτρον, metron: "measure"), generally, is any characteristic that can help in defining or classifying a particular system (meaning an event, project, object, situation, etc.). That is, a parameter is an element of a system that is useful, or critical, when identifying the system, or when evaluating its performance, status, condition, etc.

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Performance engineering

Performance engineering encompasses the techniques applied during a systems development life cycle to ensure the non-functional requirements for performance (such as throughput, latency, or memory usage) will be met.

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Physics of failure

Physics of failure is a technique under the practice of Design for Reliability that leverages the knowledge and understanding of the processes and mechanisms that induce failure to predict reliability and improve product performance.

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Probability

Probability is the measure of the likelihood that an event will occur.

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Probability density function

In probability theory, a probability density function (PDF), or density of a continuous random variable, is a function, whose value at any given sample (or point) in the sample space (the set of possible values taken by the random variable) can be interpreted as providing a relative likelihood that the value of the random variable would equal that sample.

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Product (business)

In marketing, a product is anything that can be offered to a market that might satisfy a want or need.

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Product certification

Product certification or product qualification is the process of certifying that a certain product has passed performance tests and quality assurance tests, and meets qualification criteria stipulated in contracts, regulations, or specifications (typically called "certification schemes" in the product certification industry).

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Product lifecycle

In industry, product lifecycle management (PLM) is the process of managing the entire lifecycle of a product from inception, through engineering design and manufacture, to service and disposal of manufactured products.

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Proposition

The term proposition has a broad use in contemporary analytic philosophy.

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Quality (business)

In business, engineering, and manufacturing, quality has a pragmatic interpretation as the non-inferiority or superiority of something; it's also defined as being suitable for its intended purpose (fitness for purpose) while satisfying customer expectations.

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Quality assurance

Quality assurance (QA) is a way of preventing mistakes and defects in manufactured products and avoiding problems when delivering solutions or services to customers; which ISO 9000 defines as "part of quality management focused on providing confidence that quality requirements will be fulfilled".

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Quality control

Quality control, or QC for short, is a process by which entities review the quality of all factors involved in production.

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RAMS

RAMS is an acronym for Reliability, Availability, Maintainability, and Safety.

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Redundancy (engineering)

In engineering, redundancy is the duplication of critical components or functions of a system with the intention of increasing reliability of the system, usually in the form of a backup or fail-safe, or to improve actual system performance, such as in the case of GNSS receivers, or multi-threaded computer processing.

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Regulation and licensure in engineering

Regulation and licensure in engineering is established by various jurisdictions of the world to encourage public welfare, safety, well-being and other interests of the general public, and to define the licensure process through which an engineer becomes authorized to practice engineering and/or provide engineering professional services to the public.

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Reliability theory of aging and longevity

The reliability theory of aging is an attempt to apply the principles of reliability theory to create a mathematical model of senescence.

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Reliability, availability and serviceability

Reliability, availability and serviceability (RAS) is a computer hardware engineering term involving reliability engineering, high availability, and serviceability design.

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Reliability-centered maintenance

Reliability-centered maintenance (RCM) is a process to ensure that systems continue to do what their user require in their present operating context.

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Repeatability

Repeatability or test–retest reliability is the closeness of the agreement between the results of successive measurements of the same measurand carried out under the same conditions of measurement.

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Requirement

In product development and process optimization, a requirement is a singular documented physical or functional need that a particular design, product or process aims to satisfy.

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Risk

Risk is the potential of gaining or losing something of value.

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Risk assessment

Risk assessment is the determination of quantitative or qualitative estimate of risk related to a well-defined situation and a recognized threat (also called hazard).

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Risk-based inspection

Risk Based Inspection (RBI) is an Optimal maintenance business process used to examine equipment such as pressure vessels, heat exchangers and piping in industrial plants.

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Root cause analysis

Root cause analysis (RCA) is a method of problem solving used for identifying the root causes of faults or problems.

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Safety case

A Safety Case is a structured argument, supported by evidence, intended to justify that a system is acceptably safe for a specific application in a specific operating environment.

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Safety engineering

Safety engineering is an engineering discipline which assures that engineered systems provide acceptable levels of safety.

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Safety integrity level

Safety integrity level (SIL) is defined as a relative level of risk-reduction provided by a safety function, or to specify a target level of risk reduction.

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Samuel Taylor Coleridge

Samuel Taylor Coleridge (21 October 177225 July 1834) was an English poet, literary critic, philosopher and theologian who, with his friend William Wordsworth, was a founder of the Romantic Movement in England and a member of the Lake Poets.

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Security engineering

Security engineering is a specialized field of engineering that focuses on the security aspects in the design of systems that need to be able to deal robustly with possible sources of disruption, ranging from natural disasters to malicious acts.

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Simplified Technical English

ASD STE-100 Simplified Technical English, or Simplified English, is the original name of a controlled language specification originally developed for aerospace industry maintenance manuals.

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Simulation

Simulation is the imitation of the operation of a real-world process or system.

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Single point of failure

A single point of failure (SPOF) is a part of a system that, if it fails, will stop the entire system from working.

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Six Sigma

Six Sigma (6σ) is a set of techniques and tools for process improvement.

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Software engineering

Software engineering is the application of engineering to the development of software in a systematic method.

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Software metric

A software metric is a standard of measure of a degree to which a software system or process possesses some property.

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Software peer review

In software development, peer review is a type of software review in which a work product (document, code, or other) is examined by its author and one or more colleagues, in order to evaluate its technical content and quality.

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Software quality

In the context of software engineering, software quality refers to two related but distinct notions that exist wherever quality is defined in a business context.

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Software reliability testing

Software reliability testing is a field of software testing that relates to testing a software's ability to function, given environmental conditions, for a particular amount of time.

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Solid mechanics

Solid mechanics is the branch of continuum mechanics that studies the behavior of solid materials, especially their motion and deformation under the action of forces, temperature changes, phase changes, and other external or internal agents.

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Specialty engineering

In the domain of systems engineering, Specialty Engineering is defined as and includes the engineering disciplines that are not typical of the main engineering effort.

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Spurious trip level

Spurious trip level (STL) is defined as a discrete level for specifying the spurious trip requirements of safety functions to be allocated to safety systems.

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Stakeholder (corporate)

In a corporation, as defined in its first usage in a 1963 internal memorandum at the Stanford Research Institute, a stakeholder is a member of the "groups without whose support the organization would cease to exist".

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Statement of work

A statement of work (SoW) is a document routinely employed in the field of project management.

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Statistical process control

Statistical process control (SPC) is a method of quality control which employs statistical methods to monitor and control a process.

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Stochastic

The word stochastic is an adjective in English that describes something that was randomly determined.

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Strength of materials

Strength of materials, also called mechanics of materials, is a subject which deals with the behavior of solid objects subject to stresses and strains.

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Stress (mechanics)

In continuum mechanics, stress is a physical quantity that expresses the internal forces that neighboring particles of a continuous material exert on each other, while strain is the measure of the deformation of the material.

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Stress testing

Stress testing (sometimes called torture testing) is a form of deliberately intense or thorough testing used to determine the stability of a given system or entity.

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Structural fracture mechanics

Structural fracture mechanics is the field of structural engineering concerned with the study of load-carrying structures that includes one or several failed or damaged components.

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System

A system is a regularly interacting or interdependent group of items forming an integrated whole.

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System safety

The system safety concept calls for a risk management strategy based on identification, analysis of hazards and application of remedial controls using a systems-based approach.

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Systems engineering

Systems engineering is an interdisciplinary field of engineering and engineering management that focuses on how to design and manage complex systems over their life cycles.

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Systems theory

Systems theory is the interdisciplinary study of systems.

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Telcordia Technologies

Telcordia Technologies, Inc., doing business as iconectiv, is an American subsidiary of the Swedish telecommunications company Ericsson.

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Temperature cycling

Temperature cycling (or temperature cycle) is the process of cycling through two temperature extremes, typically at relatively high rates of change.

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Testability

Testability, a property applying to an empirical hypothesis, involves two components.

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The Aerospace Corporation

The Aerospace Corporation is a California nonprofit corporation that operates a federally funded research and development center (FFRDC) headquartered in El Segundo, California.

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Thermal analysis

Thermal analysis is a branch of materials science where the properties of materials are studied as they change with temperature.

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Thermal engineering

Thermal Engineering is a study of energy transport particularly in nanoscale structure to obtain knowledge and understanding of the scientific effects on physical world that can engineering discoveries in industrial energy applications.

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Trevor Kletz

Trevor Asher Kletz, OBE, FREng, FRSC, FIChemE (1922–31 October 2013) was a prolific British author on the topic of chemical engineering safety.

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Tribology

Tribology is the science and engineering of interacting surfaces in relative motion.

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Triple modular redundancy

In computing, triple modular redundancy, sometimes called triple-mode redundancy, (TMR) is a fault-tolerant form of N-modular redundancy, in which three systems perform a process and that result is processed by a majority-voting system to produce a single output.

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Uncertainty

Uncertainty has been called "an unintelligible expression without a straightforward description".

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Unintended consequences

In the social sciences, unintended consequences (sometimes unanticipated consequences or unforeseen consequences) are outcomes that are not the ones foreseen and intended by a purposeful action.

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Unit testing

In computer programming, unit testing is a software testing method by which individual units of source code, sets of one or more computer program modules together with associated control data, usage procedures, and operating procedures, are tested to determine whether they are fit for use.

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United States Department of Defense

The Department of Defense (DoD, USDOD, or DOD) is an executive branch department of the federal government of the United States charged with coordinating and supervising all agencies and functions of the government concerned directly with national security and the United States Armed Forces.

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Use case

In software and systems engineering, a use case is a list of actions or event steps typically defining the interactions between a role (known in the Unified Modeling Language as an actor) and a system to achieve a goal.

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Vibration fatigue

Vibration fatigue is a mechanical engineering term describing material fatigue, caused by forced vibration of random nature.

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Waloddi Weibull

Ernst Hjalmar Waloddi Weibull (18 June 1887 – 12 October 1979) was a Swedish engineer, scientist, and mathematician.

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Walter A. Shewhart

Walter Andrew Shewhart (pronounced like "shoe-heart", March 18, 1891 – March 11, 1967) was an American physicist, engineer and statistician, sometimes known as the father of statistical quality control and also related to the Shewhart cycle.

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Weibull distribution

No description.

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Wrong-side failure

A wrong-side failure describes a failure condition in a piece of railway signalling equipment that results in an unsafe state.

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Critical failure, Experimental reliability, Inter-method reliability, Inter-method variation, Parallel-forms Reliability, Point of failure, Points of failure, Reliability (engineering), Reliability Engineer, Reliability Engineering, Reliability Level, Reliability engineer, Reliability level, Reliability modeling, Reliability modelling, Reliability testing, Reliability theory, Reliability theory (engineering), Reliable system design, Single point of contention, Single-point failure, Systems reliability.

References

[1] https://en.wikipedia.org/wiki/Reliability_engineering

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