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Reliability Software, Safety and Quality Solutions  / Failure Analysis & FRACAS  /  Failure Collection System

Failure Collection System

Failure Data Collection
Failure analysis of safety-critical and mission-critical equipment on the field use stage requires failure data collection and statistical analysis.
To accomplish this goal special software system called FRACAS (Failure Reporting, Analysis and Corrective Actions System) should be used.
Collected data are subject to statistical analysis. Such system also gives real-time added value for the organization and acts like fleet management system, safety management system, workflow system with alerts and escalation and more.
Collected statistics and obtained field failure rates could be used in all failure analysis methods mentioned below.

FavoWeb Reporting, Analysis and Corrective Actions System Dashboard
See FRACAS (FavoWeb) System

Hardware FMEA and FMECA (Failure Mode, Effects and Criticality Analysis) is a continuation of system reliability analysis. It is required and compatible with MIL-STD-1629A and other standards (like GJB 1391, GJB 1392, AIR FORCE SMC REGULATION 800-31 and more). Many standards and regulations for aerospace, defence, telecommunications, electronic and other industries require that FMECA analysis must be performed for all designed/manufactured/acquisition systems, especially if they are mission or safety critical.
FMECA includes failure analysis, criticality analysis and testability analysis. It analyzes different failure modes and their effects on the system, classifies and prioritizes end effects level of importance based on failure rate and severity of the effect of failure.

Failure Mode, Effects and Criticality Analysis
See RAM Commander FMECA Software Tool

Potential FMEA (Failure Mode and Effects Analysis) is analytical technique utilized as a mean to assure that, to the extent possible, potential failure modes and their associated causes/mechanisms have been considered and addressed. Corrective actions are suggested and selected for implementation and control plan is formed as part of the procedure.
Potential Failure Mode and Effects Analysis (FMEA) complies with AIAG, QS-9000, SAE J 1739, IEC 60812, JEP131 and other standards, sometimes called "automotive" or "AIAG" (Automotive Industry Action Group) FMEA. It is required by many other standards like ISO 14971 (Medical devices risk management) and more.

Potential Failure Mode and Effects Analysis
See RAM Commander FMEA Software Tool

Fault Tree Analysis (FTA)
Fault Trees are one of the most widely used methods in system reliability and failure probability analysis. A Fault Tree is a graphical representation of events in a hierarchical, tree-like structure. It is used to determine various combinations of hardware, software, and human error failures that could result in a specified risk or system failure. System failures are often referred to as top events. A deductive analysis using a Fault Tree begins with a general conclusion or hazard, which is displayed at the top of a hierarchical tree. This deductive analysis is the final event in a sequence of events for which the Fault Tree is used to determine if a failure will occur or, alternatively, can be used to stop the failure from occurring.
Fault Trees investigate consequences of multiple simultaneous failures or events, and here its main advantage over FMEA/FMECA, which investigate single-pint failures.

Fault Tree Analysis (FTA)
See RAM Commander Fault Tree Analysis Software Tool

Event Tree Analysis (ETA)
It is an inductive failure analysis performed to determine the consequences of single failure for the overall system risk or reliability. Event Tree Analysis uses similar logic and mathematics as Fault Tree Analysis, but the approach is different - FTA uses deductive approach (from system failure to it's reasons) and ETA uses the inductive approach (from basic failure to it's consequences).
An event tree itself is a visual representation of single failure sequences, it's influence on other events and on the whole system.

Event Tree Analysis (ETA)
See RAM Commander ETA Software Tool

See also:
SoHaR Services for Failure Analysis
SoHaR Reliability and Safety Software
SoHaR Profile
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