About this skill

Problem It Solves

FMEA work often fragments across manual spreadsheets, inconsistent scoring, scattered RPN calculations, and weak action closure. This skill targets product and process reliability analysis, turning scope definition, function decomposition, failure-mode identification, impact scoring, and action tracking into one executable workflow.

How It Works

Inputs: analysis scope, component functions, S/O/D ratings, historical data, and reference FMEAs.
Core steps: build a function tree, identify failure modes, score severity, occurrence, and detection, calculate RPN=S×O×D, and assign a risk level.
Outputs: a structured FMEA workbook in fmea_output/ with tracking for preventive and detective actions.

Scope and Caveats

It depends on openpyxl==3.1.2, so it is best for Excel-based table maintenance.
S reflects failure consequences and cannot be directly reduced by actions; prioritize improving O and D.
The 2019 approach places more weight on high-level review and separating basic from supplementary analysis, while cross-functional judgments still require human confirmation.

Screenshots

Use Cases

Before a product review, organize functions, failure modes, and S/O/D scores into an FMEA table.
With S=8, O=5, and D=3 already known, calculate RPN and assign the risk level quickly.
When RPN is high, prioritize improvements by O and D and track preventive actions.
Use the 2019 FMEA workflow to build a function tree and output a workbook under fmea_output/.

Best For

Systems engineers accountable for product reliability who need function trees and failure-mode analysis.
Quality engineers who need to convert S/O/D scores into RPN and risk levels.
Cross-functional review members who need to track preventive and detective actions to closure.
Junior reliability analysts who need to structure tables according to the 2019 FMEA workflow.

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