Safety előadás: 2017-11-07

Semester: 
2017. ősz

Safety-Critical Systems: Requirements & Architecture

  • Functional vs. extra-functional requirements
  • Safety requirements
    • Terminology
    • Risk categories
    • Safety integrity requirements, Safety integrity levels
  • Dependability related requirements
    • Threats to dependability
    • Attributes of dependability
    • Dependability metrics
    • Characteristics of faults
    • Means to improve dependability
  • Safety architecture
    • Objectives of architecture design
    • Typical architectures for fail-stop operation
    • Typical architectures for fault-tolerant systems
      • Categories of redundancy
      • Fault tolerance for permanent HW faults
      • Fault tolerance for transient HW faults
        • error detection
        • damage assessment
        • recovery (backward, forward, compensation)
        • fault treatment
      • Fault tolerance for SW faults
        • N-version programming
        • Recovery blocks
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