Human Measurement Errors

• Sources of Errors

  Inadvertent Errors
  

  • Attentiveness
  • Random
  • Good Mistake-Proofing Target
  Technique Errors

  • Consistent
  Wilful Errors (Bad mood)

• Error Types (Can be machine or human)

  Type I - Alpha Errors [ risk]
  
  Type II - Beta Errors [ risk]

Accept

Reject

Good

Bad

OK!

OK!

alpha

beta

Training Issue

Process in control, but needs adjustment, False alarm

Unaware of problem

Previous slide

Next slide

Back to first slide

View graphic version

	The. Deming PDCA Cycle	QMS Implementation	FMEA Information	APQP Information
Auditing Information	8-D Problem Solving	Statistics	Error Proofing (Poka Yoke)	Brainstorming
Identifying Waste	Pull Systems	Lead Time Reduction	Planned Maintenance	Quick Setup
Discovering Change	Process Capability - Cp vs. Cpk	Histogram. Animation	Process Loop Animation	Taguchi Loss Function
		Fishbone / Cause and Effects Animation

ADVERTISEMENT