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- Sneak_circuit_analysis abstract "Sneak Circuit Analysis is a vital part of the safety assurance of safety-critical electronic and electro-mechanical systems.Sneak conditions are defined as latent hardware, software, or integrated conditions that may cause unwanted actions or may inhibit a desired function, and are not caused by component failure.Sneak Circuit Analysis (SCA) is used in safety-critical systems to identify sneak (or hidden) paths in electronic circuits and electro-mechanical systems that may cause unwanted action or inhibit desired functions. The analysis is aimed at uncovering design flaws that allow for sneak conditions to develop. The sneak circuit analysis technique differs from other system analysis techniques in that it is based on identification of designed-in inadvertent modes of operation and is not based on failed equipment or software.SCA is most applicable to circuits that can cause irreversible events. These include:a. Systems that control or perform active tasks or functionsb. Systems that control electrical power and its distribution.c. Embedded code which controls and times system functions.Sneak conditions are classified into four basic types:1. Sneak paths - unintended electrical (current) paths within a circuit and its external interfaces.2. Sneak timing–unexpected interruption or enabling of a signal due to switch circuit timing problems which may cause or prevent the activation or inhibition of a function at an unexpected time.3. Sneak indications–undesired activation or deactivation of an indicator which may cause an ambiguous or false display of system operating conditions.4. Sneak labels–incorrect or ambiguous labeling of a switch which may cause operator error through inappropriate control activation.".
- Sneak_circuit_analysis wikiPageExternalLink sca.html.
- Sneak_circuit_analysis wikiPageExternalLink SCA4TheCommonMan.pdf.
- Sneak_circuit_analysis wikiPageExternalLink pub_132.html.
- Sneak_circuit_analysis wikiPageExternalLink scat.
- Sneak_circuit_analysis wikiPageID "26312777".
- Sneak_circuit_analysis wikiPageRevisionID "514334990".
- Sneak_circuit_analysis context "March 2010".
- Sneak_circuit_analysis hasPhotoCollection Sneak_circuit_analysis.
- Sneak_circuit_analysis orphan "April 2010".
- Sneak_circuit_analysis subject Category:Engineering_failures.
- Sneak_circuit_analysis subject Category:Formal_methods.
- Sneak_circuit_analysis subject Category:Risk_analysis.
- Sneak_circuit_analysis subject Category:Safety_engineering.
- Sneak_circuit_analysis subject Category:Software_quality.
- Sneak_circuit_analysis type Ability105616246.
- Sneak_circuit_analysis type Abstraction100002137.
- Sneak_circuit_analysis type Act100030358.
- Sneak_circuit_analysis type Cognition100023271.
- Sneak_circuit_analysis type EngineeringFailures.
- Sneak_circuit_analysis type Event100029378.
- Sneak_circuit_analysis type Failure100066636.
- Sneak_circuit_analysis type FormalMethods.
- Sneak_circuit_analysis type Know-how105616786.
- Sneak_circuit_analysis type Method105660268.
- Sneak_circuit_analysis type Nonaccomplishment100066216.
- Sneak_circuit_analysis type PsychologicalFeature100023100.
- Sneak_circuit_analysis type YagoPermanentlyLocatedEntity.
- Sneak_circuit_analysis comment "Sneak Circuit Analysis is a vital part of the safety assurance of safety-critical electronic and electro-mechanical systems.Sneak conditions are defined as latent hardware, software, or integrated conditions that may cause unwanted actions or may inhibit a desired function, and are not caused by component failure.Sneak Circuit Analysis (SCA) is used in safety-critical systems to identify sneak (or hidden) paths in electronic circuits and electro-mechanical systems that may cause unwanted action or inhibit desired functions. ".
- Sneak_circuit_analysis label "Sneak circuit analysis".
- Sneak_circuit_analysis sameAs m.0b77vh4.
- Sneak_circuit_analysis sameAs Q7547466.
- Sneak_circuit_analysis sameAs Q7547466.
- Sneak_circuit_analysis sameAs Sneak_circuit_analysis.
- Sneak_circuit_analysis wasDerivedFrom Sneak_circuit_analysis?oldid=514334990.
- Sneak_circuit_analysis isPrimaryTopicOf Sneak_circuit_analysis.