P-Diagram

aka Parameter Diagram or p diagram

A Parameter Diagram (P-Diagram) is created prior to starting a (Design) DFMEA, and is referenced again when creating a (Process) PFMEA.

P-Diagram Excel template

to identify Functions, Requirements, and Potential Failure Modes

Use your P Diagram template to analyze Inputs and Outputs and Noise Factors and Control Factors that can affect performance of desired Ideal Functions, and minimize Error States.

This one of several tools and methods used to identify Functions, Requirements, and Potential Failure Modes that will be documented and controlled using your FMEA and Control Plan Excel templates.

Sample P-Diagram example
fmeaP-Diagram.xlsx

 

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This P-Diagram template comes with many other useful DFSS tools

 

to empower every team member