Table of Contents
Measurement Systems Analysis
Don't Let This Happen To YOU!
VariationThink of Measurement as a Process
Definition
Measurement Systems Analysis
Course Focus & Flow
Place Timeline Here
The Target & Goal
Key Words
Terminology
Measurement Uncertainty
Measurement Uncertainty
Measurement as a Process
Measurement Related Systems
Basic Concepts
The Measurement Process
Measurement Systems Components
Where Does It Start?
Typical Progression
Measurement Systems Variables
Determining What To Measure
Voice of the Customer
Convert to Technical Features
Failure Modes Analysis
Automotive FMEA
Control Plan / Flow Diagram
GM Process Flow Chart
Standard Control Plan Example
Ford's Dimensional Control Plan (DCP)
Measurement as a System
Measurement Error
Sources of Measurement Error
Types of Measurement Scales
How We Get Data
Operational Definitions
Different Method = Different Results
Measurement System Variability
Studying the Measurement System
Standards
Environmental Factors
Human Factors
Human Measurement Errors
Measurement System Features
Discrimination
Discrimination
Range Charts & Discrimination
Bias and Repeatability
Bias
Causes of Bias
Bias and QS9000
Bias
Repeatability
Repeatability Issues
Using Shewhart Charts I
Using Shewhart Charts II
Evaluating Bias & Repeatability
Repeatability Issues
Bias & Repeatability Histogram
Linearity
Plot Biases vs. Ref. Values
Causes of Poor Linearity
Reproducibility
Reproducibility Example
Calculating Reproducibility (I)
Calculating Reproducibility
Stability
Evaluate Stability with Run Charts
Stability
Importance of Stability
Methods of Analysis
Analysis Tools
Average and Standard Deviation
Correlation Charts
Substitute Measurements
Comparing Two Methods
Measurements vs. Reference Data
Measurements vs. Reference Correlation
Comparing Two Appraisers
Run Charts Examine Stability
Multiple Run Charts
Multi-Vari Charts
Multi-Vari Type I
Multi-Vari Type II
Multi-Vari Type III
Multi-Vari Chart Example
Multi-Vari Chart, Joined
Using Shewhart Charts
Shewhart Charts
Shewhart Chart of Instrument
Gage R&R Studies
Gauge R&R Studies
Terms Used in R&R (I)
Terms Used in R&R (II)
R&R Calculations
Accumulation of Variances
Evaluating R&R
Analysis of Variance I
Analysis of Variance II
Special Gauging Situations
If Gauges were Perfect
But Repeatability Means We Never Know The Precise Value
So - Actual Part Acceptance Will Look Like This:
The Effect of Bias on Part Acceptance
Go/No-Go gauges
Short Go/No-Go Study
Destructive Tests
Summary
Measurement Variation
Types of Measurement Variation
Measurement Systems
Measurement Systems Evaluation Tools
Shewhart Charts
Conclusion
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