Surrogate Reliability Data
Surrogate reliability data is summarized data from field testing that is not performed in-house. Often, the data will estimate the failures under specified operating hours/miles under certain conditions for particular components that are either the exact match or a similar part an engineer must assess to perform a reliability analysis.
This article is a… Read More
What is Fault Tree Analysis?
Fault Tree Analysis (FTA) is a “top down” assessment of how a product or system failure (or other “undesired event”) can occur based on the behavior of lower-level functions, assemblies, parts, software, and human behavior. The undesired event is evaluated through a set of intermediary fault states that, if present, would… Read More
Fault Tree Analysis (FTA) is Covered in Reliability 101: Introduction to Reliability Engineering
Register for Reliability 101: Introduction to Reliability Analysis by Thursday, Oct. 23, 2025!
Reliability 101 is a foundational course to understanding basic reliability engineering principles and how to implement these principles during product design, manufacturing, test and field support. This course will develop your… Read More
Reliability Data Collection and Analysis Resources
Data
Reliability Online Automated Databook System (ROADS)
The Reliability Online Automated Databook System (ROADS) is a subscription that provides customized access to all the Quanterion Databooks: Nonelectronic Parts Reliability Data (NPRD), Electronic Parts Reliability Data (EPRD) and/or Failure Modes / Mechanisms Distribution (FMD).
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Nonelectronic Parts Reliability Data – NPRD-2023
The 2023 Edition of… Read More
What is Reliability Data Collection and Analysis?
Data collection and analysis facilitates an understanding of field operational use profiles and environmental stress data and is critical for ensuring design/process robustness. Collection and analysis of failure data to root failure cause identification and mitigation is critical to ensure product/process reliability growth and success over its life cycle.
What’s… Read More
Software Reliability In-Person Training
Register today for a Software Failure Modes Effects Analysis (FMEA) course hosted Tuesday, Nov. 4 through Thursday, Nov. 6, 2025 at the DoubleTree Suites by Hilton Orlando – Disney Springs in Lake Buena Vista, FL.
If you’re involved in software design or development, you must consider potential failure modes in the software. This… Read More
What is Software Reliability?
Software reliability is the probability that software will operate failure-free for a specified period of time in a specified environment. It is an important contributing factor impacting system reliability (which includes hardware and human reliability). Various approaches can be used to improve the reliability of software with an appropriate balance between development… Read More
What is Lifetime Extension Management?
Military and industrial products and systems may be required to operate or function significantly longer than what for which they were originally designed, such as years, miles, cycles, etc. Lifetime Extension Assessment addresses the potential risks and possible solutions associated with extending the lives of products, systems and processes.
What’s the payoff?
Informed… Read More
Reliability Growth Planning and Management Resources
Tools
QuART ER (Enhancing Reliability)
This 2011 release features more than two dozen new or improved tools over QuART PRO. QuART ER updates more than 10 tools and adds more than 15 new tools to the tool set available in QuART PRO, including the “Ask a Quanterion Expert” function that allows users to direct… Read More
Reliability Growth Planning and Management
What is Reliability Growth?
The Reliability Growth process should start early in the design phase, once initial discovery of failure modes and their causes is complete and initial estimates of system reliability are made. The Reliability Growth process then models, predicts and tracks the improvements in system reliability as mitigation strategies are applied… Read More