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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 uses the Define, Measure, Analyze, Improve and Control phases similar to that of Six Sigma. The five phases used in Lean Six Sigma aim to identify the root cause of inefficiencies and work with any process, product, or service that has a large amount of data or measurable characteristics available.
DMAIC, IDOV and Six Sigma may still be used during depth-first plunges into the system architecture analysis and for "back end" Six Sigma processes; DFSS provides system design processes used in front-end complex system designs. Back-front systems also are used. This makes 3.4 defects per million design opportunities if done well.
The following companies claim to have successfully implemented Six Sigma in some form or another: 3M [1] Amazon [2] Atos [3] Autoliv [4] BAE Systems [5] Bank of ...
Value-stream mapping is a recognised method used as part of Lean Six Sigma methodologies. [17] Value-stream mapping analyzes both material (artifact) and information flow. [18] The following two resources exemplify the use of VSM in the context of software process improvement in industrial settings:
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, analyse, improve, control) may be viewed as a ...