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LEARNING FROM THE QUALITY GURUS - Coggle Diagram
LEARNING FROM THE QUALITY GURUS
Walter A Shewhart
Known as the father of statistical quality control.
Pioneer of modern quality control
separate variation into assignable and unassignable causes (defined “in control”.)
founder of control chart
originator of plan-do-check-act cycle
integrate statistics, engineering, and economics
defined quality in terms
objective quality: quality of a thing independent of people.
subjective quality: quality is relative to how people perceive it.
W. Edwards Deming
Contribute
Improve design (and thus service), product quality, testing, and sales (the last through global markets)
apply Shewhart’s statistical process control
Deming Prize was named after him.
Fourteen Points to Quality
create constancy
cease dependence on inspection
drive out fear and build employee trust
long-term supplier
eliminate numerical goals
eliminate slogans
View
85% are management’s responsibility
production system must be stable
continuous, incremental improvement of a stable
cannot be “inspected", designed in through the products and process design
Teamwork and training
Profound Knowledge
Theory of Knowledge (how we learn)
Knowledge of Psychology (what motivates people)
Knowledge of Variation (common cause/special variation)
Knowledge of Systems understand that all parts are related in business)
Feigenbaum
Develop Total Quality Control
managing the entire value-chain (customer & supplier)
Three Steps to Quality
Leadership
Modern technology
Organisational commitment
Kaoru Ishikawa
Developed concept of true and substitute quality characteristics
From customer’s view (true character)
The producer’s view (substitute)
Degree of match between true and substitute (cust satisfaction)
originator of Fishbone Diagrams
Advanced the use of quality control circles
Respect for humanity
Cross-functional
Philip Crosby
Quality management advocate/ promoter, consultant, and author
Four absolutes of quality
Quality, conformance to requirements
System, causing quality is prevention
Performance, zero defects
Measurement, price of nonconformance
Joseph M. Juran
improve Japanese quality
Developed the “Juran Trilogy”
Quality planning
Quality control
Quality improvement
Genichi Taguchi
Taguchi methods
Quality loss function
Parameter design
Identify key variables
Reduce variation on the important variables
Open up tolerances on unimportant variables