Hardware safety systems

Managed methods and methodologies

Reliability

  • Assignment of Reliability objectives
  • Reliability Block Diagram
  • Assessment of Operational Reliability
  • Calculations of reliability according to the method of resistance-Constraint, ...

Safety

  • PHA : Preliminary Hazard Analysis
  • FMECA : Failure Modes, Effects and Criticality Analysis
  • Fault Tree Analysis (FTA)
  • Event diagrams
  • Analysis of insidious causes
  • SHA, SSHA, IHA, OSHA, ... : System Hazard Analysis, Sub-System Hazard Analysis, Interface Hazard Analysis, Operating and Support Hazard Analysis
  • Safety Case 

Maintainability

  • MSG-3 : Maintenance Steering Group 3
  • RCM : Reliability Centered Maintenance
  • Valuation of the time required for the fitting-in / the fitting-out
  • Valuation of the accessibility criteria
  • Valuation of the detectability and localization criteria

General methods

  • Stochastic Petri nets
  • Bayes' method 
  • Monte Carlo's simulation, ...

Statistical processing

  • Use of the statistical laws : Normal, Exponential, Weibull, Erlang, Chi-deux, ...
  • Data processing in operation : Kolmogorov, Proshan Pike, Shapiro Wilk, ...
  • Multi-dimensional analysis : Factorial Analysis of Correspondences, Main Components Analysis, ...
  • Experience plans 

Availability

  • Markov's model 
  • Monte Carlo's simulation, ... 

A few managed standards

Handbook of reliability data

  • RDF 2000 or UTE C 80-810 - Handbook of Reliability Data
  • MIL HDBK 217 F - Reliability Prediction of electronic equipment 
  • OREDA - Off-Shore Reliability
  • NPRD - Non Predicted Reliability Data

Safety

  • MIL STD 882 - Standard Practise for system safety
  • MIL STD 2155 - Failure Reporting, Analysis and Corrective Action Taken
  • ARP 4754 - Certification Considerations for Highly-Integrated or Complex Aircraft Systems
  • DO 254 - Design Assurance Guidance for Airborne Electronic Hardware 
  • RCCM - Design and mechanical construction rules 

Maintainability

  • MIL HDBK 470A - Designing and Developing Maintainable Products and Systems
  • DEF STAN 00-42 - Reliability and Maintainability (R&M) Assurance Guidance

Integrated Logistic Support

  • RG. Aero 000 76 - Programme management guidelines for operation of Integrated Logistic Support
  • DEF STAN 00-60 - Integrated Logistic Support
  • MIL STD 1388 - Logistic Support Analysis 
  • ...