redundancy-pattern-picker

What problem does it solve?

This Skill eliminates the risk of selecting incorrect redundancy patterns for safety-critical systems, which wastes engineering budget and creates hidden single points of failure that undermine safety claims.

Core Features & Use Cases

• Pattern Recommendation: Selects from canonical redundancy patterns (dual-core lockstep, triple modular redundancy, hot/cold standby, N-version programming) based on safety integrity level, FMEDA failure mode data, and fault tree minimal cut sets.
• Diversity Validation: Explicitly checks for named diversity dimensions to avoid common-cause failures that defeat redundancy claims, per 2024 Analog Devices guidance.
• Compliance-Ready Output: Generates structured YAML recommendations with rationale, beta factor justification, voter strategy, residual risks, and cost estimates to support IEC 61508, ISO 26262, and equivalent safety certifications.
• Use Case: For an ASIL D embedded brake controller with a size-one fault tree cut set for transient ADC faults, the Skill recommends dual-core lockstep with independent power rails and produces a certification-ready redundancy specification.

Quick Start

Use the redundancy-pattern-picker skill to analyze your FMEDA and fault tree results for your safety-critical system plan and generate a validated redundancy pattern recommendation with diversity and common-cause assessments.