Reliability Block Diagram is a common tool for availability analysis.
Condition Based Maintenance
Corrective Maintenance (CM)
For example: a derating curve can define the allowed power dissipation of an IC based on the case temperature.
End Of Life (EOL)
Example: Company A has a production line which uses special pumps. The pumps are manufactured by company B. When company B issues an EOL notice regarding the pumps, company A needs to quickly place a last order and/or to consider a redesign of the production line.
Failure Modes are essential for Failure Mode and Effects Analysis.
Failure Mode and Effects Analysis FMEA / FMECA
The FMEA method is part of standard programs such as Six Sigma, RCM, MSG-3.
Failure Mode, Effects and Criticality Analysis (FMECA) is an extended version of FMEA which includes evaluation of failure mode criticality (see Criticality for more details).
Failure reporting, analysis, and corrective action system (FRACAS)
FRACAS is required by international standards for critical systems. For example, EN 50126-1 standard for RAMS (Reliability, Availability, Maintainability and Safety) in railway applications requires the use of FRACAS as part of the system Reliability and Maintainability life cycle.
Integrated Logistics Support (ILS)
Level Of Repair Analysis (LORA)
MIL-HDBK-217 includes two types of models:
- Parts Count – A rough assessment that does not account for component stresses (Power, Current and Voltage)
- Parts Stress – A more accurate method that accounts for component stresses
MSG-3 (Maintenance Steering Group - 3rd session)
Overall Equipment Effectiveness (OEE)
On Condition Maintenance
Preventive Maintenance (PM)
Reliability Block Diagram (RBD)
Reliability Centered Maintenance (RCM)
Risk Based Inspections (RBI)
Risk Matrices are used for various risk analyses including FMEA / FMECA.
Root Cause Analysis (RCA)
RCA methodology was developed in the 1950s be NASA. RCA is a critical step for achieving systematic reliability improvement as well as effective maintenance.
Safety Integrity Level
Six Sigma seeks to improve the quality output of processes by identifying and removing the causes of defects (errors) and minimizing variability in manufacturing and business processes. Each Six Sigma project carried out within an organization follows a defined sequence of steps and has expertized value targets, for example: reduce process cycle time, reduce pollution, reduce costs, increase customer satisfaction, and increase profits.
Turnaround time (TAT)