The complete fault tree software tool for comprehensive risk and safety analysis.
Overview: Relyence Fault Tree Analysis Tool
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When unwanted events can spell disaster in mission critical situations, the use of Fault Tree Analysis (FTA) to predict the likelihood of such failures is a proven technique for risk assessment. Fault tree analysis is a preferred technique for assessing risk in situations where safety is paramount and the probability of catastrophic events must be minimized.
Fault tree analysis is used in the nuclear power, military, aerospace, defense, and medical industries – where risk and safety issues are of utmost importance, and in some cases may even be kept in compliance with regulatory guidelines. Even in commercial industries where the severity of failure may not be as catastrophic to be life-threatening, the principles of fault tree analysis can be applied for risk assessment. Fault tree analysis is also frequently used in the telecom, automotive, oil and gas, and many other industries to due to its well-proven methodology.
The benefit of fault tree analysis is to assess risk in order to eliminate, minimize, or mitigate events that lead to catastrophic system failures. The goal is to keep the probability, or likelihood, of the critical events as low as possible. The ability of fault tree analysis is that you can obtain quantifiable metrics to be sure your risk and hazard rates are under control.
Best-in-class fault tree software needs to be flexible, powerful, and visually engaging.
The front-end diagramming function must be easy to navigate and result in well-organized and optimally configured trees. Automated abilities, such as optimizing layout and auto-connection, are desirable. Additionally, the features that aid in handling large trees, such as support for transfer gates and linked sub-trees is critical.
Because FTA software can serve as a vital tool in risk assessment and mitigation, the ability to model real-world scenarios is important. This means that a variety of logic gates and events must be supported, along with a solid list of input models to choose from. Support for more advanced modeling features such as CCF (Common Cause Failure) groups and disjoint events are also beneficial.
The core feature of any fault tree tool is the ability to accurately calculate risk metrics. The calculation engine needs to be fast, reliable, as well as accurate. A variety of calculation methods should be available: exact (analytical), cross-product, cut-set summation, and Esary Proschan. The mathematical engine must be able to support simulation as well to handle complex scenarios where analytical results are not possible. Additionally, an array of output results should be supported – such as unavailability, failure frequency, number of failures, and minimal cut set evaluation (MCS).
Report features should include graphical output results as well as numeric table-based output. Added bonuses include features such as a dashboard for insight and overview of important metrics, the ability to install on-premise or online depending on your needs, and an API interface for integrating with other quality systems.
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