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Six Sigma (6σ) is a set of techniques and tools for process improvement.It was introduced by American engineer Bill Smith while working at Motorola in 1986. [1] [2]Six Sigma strategies seek to improve manufacturing quality by identifying and removing the causes of defects and minimizing variability in manufacturing and business processes.
Lean Six Sigma is a synergized managerial concept of Lean and Six Sigma. [6] Lean traditionally focuses on eliminating the eight kinds of waste (" muda ") , and Six Sigma focuses on improving process output quality by identifying and removing the causes of defects (errors) and minimizing variability in (manufacturing and business) processes.
Six Sigma — 6σ, Six Sigma combines established methods such as statistical process control, design of experiments and failure mode and effects analysis (FMEA) in an overall framework. PDCA — plan, do, check, act cycle for quality control purposes. (Six Sigma's DMAIC method (define, measure, analyze, improve, control) may be viewed as a ...
Historically, although the first successful Design for Six Sigma projects in 1989 and 1991 predate establishment of the DMAIC process improvement process, Design for Six Sigma (DFSS) is accepted in part because Six Sigma organisations found that they could not optimise products past three or four Sigma without fundamentally redesigning the ...
Operational Excellence leverages earlier continuous improvement methodologies such as Lean Thinking, Six Sigma, OKAPI, [3] and scientific management. [4] The concept was introduced in the 1970s by Dr. Joseph M. Juran, [4] who taught Japanese business leaders quality improvement methods. It gained prominence in the United States during the 1980s ...
"We ought to be better than we are," said Germain, director of Quality Improvement. [3] The culmination of Motorola quality engineering efforts occurred in 1986, with the help of an outside quality control consultant who joined Motorola, Bill Smith [10] [11] [12] when the Motorola University and Six-Sigma Institute [9] was founded.
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