Reliability and Availability
Reliability and Availability Parameters:
- Mission Reliability - R(t)
- Mean Time Between Failures -MTBF
- Mean Time Between Critical Failures - MTBCF
- Inherent Availability - AI
- Operational Availability - AO
Reliability and Availability activities/ analyses provided by RAM CRAFT:
- Reliability Program Management including customer’s representation at Design Reviews
- Reliability Program Plan
- Reliability Allocation
- Reliability Modeling and Prediction
- Availability Modeling and Analysis
- Failure Mode, Effects and Criticality Analysis (FMECA)
- Design FMEA (D-FMEA)
- Reliability Tests Planning (Demonstration, Verification, Reliability Growth)
Definitions:
Reliability
Probability that a system (or equipment), when used under stated conditions and given support environment, will be ready to operate when called upon, or Up Time Ratio.
Availability
Ability of a system or component to perform its required functions under stated conditions for a specified period.
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