Safety-Critical Systems: FMEA & Documentation Framework
Systematize FMEA and safety documentation for regulated environments
What You Can Do
Conduct structured Failure Mode and Effects Analysis (FMEA) with risk quantification and mitigation tracking. Generate comprehensive safety documentation including hazard analysis, root cause analysis, and compliance artifacts that meet regulatory standards (ISO 26262, FDA, IEC 61508). Transform complex safety requirements into actionable verification and validation plans with full traceability.
Features
Structured process for identifying failure modes, assigning severity/occurrence/detection ratings, calculating Risk Priority Numbers, and prioritizing mitigation efforts
Template-driven 5-Why analysis and fishbone diagrams to drill from observed failures to systemic root causes
Systematic enumeration of hazardous situations, failure modes, and safety-critical scenarios with severity and likelihood assessment
Auto-formatted safety cases, hazard analysis reports, and evidence matrices aligned with FDA, ISO 26262, IEC 61508, and automotive/medical standards
Monitor corrective and preventive action (CAPA) implementation, residual risk assessment, and closure verification across FMEA entries
Link system requirements to identified failure modes, mitigations, and verification methods for audit readiness and change impact analysis
Calculate RPN values, generate risk matrices, and rank failures by severity to focus mitigation resources on highest-impact items
Example Output
FMEA Summary Table:
| Failure Mode | Severity | Occurrence | Detection | RPN | Recommended Action |
|---|---|---|---|---|---|
| Sensor signal loss | 9 | 3 | 4 | 108 | Redundant sensor circuit + self-test firmware |
| Software timeout | 7 | 2 | 3 | 42 | Watchdog timer + graceful degradation |
Root Cause Analysis (5-Why):
- Observed: ECU reboots under temperature stress
- Why 1: Voltage regulator exceeds thermal rating
- Why 2: PCB layout concentrates heat without adequate trace spacing
- Why 3: Design review didn't include thermal simulation step
- Why 4: Thermal analysis tool not in standard design checklist Root Cause: Missing thermal validation gate in design process
Compliance Mapping (ISO 26262):
✓ ASIL-D hazard identified and documented
✓ Mitigation verified against functional safety requirements
✓ Residual risk acceptable per hazard rating matrix
What's Included
- FMEA Worksheet Template: Pre-structured form with severity/occurrence/detectability rating scales, RPN calculation, and action tracking columns
- Root Cause Analysis Guides: 5-Why methodology, fishbone diagram templates, and systemic vs. component cause frameworks
- Regulatory Compliance Checklist: Requirements mapping for FDA, ISO 26262, IEC 61508, and ISO 13849 with evidence collection guidance
- Hazard Analysis & Assessment Framework: Systematic hazard identification, severity classification, and likelihood estimation tied to safety standards
- Mitigation & Verification Guidance: CAPA templates, design control documentation, and verification/validation planning for closure evidence
- Safety Documentation Artifacts: Safety case arguments, design specifications, and regulatory-formatted reports ready for audit submission
Who It's For
- Safety Engineers in automotive, aerospace, and industrial sectors
- Medical device compliance and quality assurance teams
- Product development and engineering managers in regulated industries
- Regulatory affairs and compliance professionals
Best For
- Functional safety analysis (ISO 26262, IEC 61508) for high-criticality systems
- Medical device hazard analysis and FDA documentation preparation
- Root cause investigation and corrective action closure
- Regulatory audit preparation and compliance evidence mapping
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