Reliability, availability, maintainability and safety
{{Short description|Engineering characterization of a product or system}}
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In engineering, reliability, availability, maintainability and safety (RAMS){{Cite web|url=https://www.sebokwiki.org/wiki/Reliability,_Availability,_and_Maintainability|title=Reliability, Availability, and Maintainability - SEBoK|website=RAMBoK Project|access-date=2019-05-26}}[https://www.ntnu.no/c/document_library/get_file?uuid=79d5e80e-5cf7-4923-a3d7-0cb8792db310&groupId=10389 System safety], Norwegian University of Science and Technology is used to characterize a product or system:
- Reliability: Ability to perform a specific function and may be given as design reliability or operational reliability
- Availability: Ability to keep a functioning state in the given environment
- Maintainability: Ability to be timely and easily maintained (including servicing, inspection and check, repair and/or modification)
- Safety: Ability not to harm people, the environment, or any assets during a whole life cycle.
See also
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- Systems engineering
- Dependability
- Failure mode
- Failure rate
- Failure mode, effects, and criticality analysis (FMECA)
- Hazard analysis and critical control points
- High availability
- Risk assessment
- Reliability-centered maintenance
- Safety instrumented system
- Safety integrity level
- Reliability, availability and serviceability (RAS)
- Fault injection
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