Process Capability Index
- Engineering & Applied Technologies -
Aerospace & Automotive Dictionary
Definition
An aerospace and automotive concept defining a technical component, process, or performance measure used in vehicle design, production, or operation. It applies when relevant engineering prerequisites are satisfied and produces defined effects on safety, efficiency, reliability, or manufacturability.
Process Capability Index
Engineering & Applied Technologies Dictionary
Definition
A univariate capability metric defined as Cpk = min[(USL − μ)/(3σ), (μ − LSL)/(3σ)], where μ and σ are the process mean and standard deviation and USL/LSL are upper and lower specification limits.