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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.
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 ...
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.
Lean services is the application of lean manufacturing production methods in the service industry (and related method adaptations). Lean services have among others been applied to US health care providers [ 1 ] and the UK HMRC .
It is intended to enable employees to identify, deliver, and enhance the flow of value to customers. Common frameworks associated with operational excellence include: lean management and Six Sigma, which emphasize efficiency, waste reduction, and quality improvement. Organizations that adopt these practices may report increased customer ...
Subsequently, lean services has been widely applied. Six Sigma (an approach to quality developed at Motorola between 1985 and 1987): Six Sigma refers to control limits placed at six standard deviations from the mean of a normal distribution, this became very famous after Jack Welch of General Electric launched a company-wide initiative in 1995 ...
Total quality management (TQM) is an organization-wide effort to "install and make a permanent climate where employees continuously improve their ability to provide on-demand products and services that customers will find of particular value."
Process improvement philosophies such as Six Sigma and Lean Six Sigma have further pushed quality to the forefront of business management and operations. At the heart of these and other efforts is often the QMS, a documented collection of processes, management models, business strategies, human capital, and information technology used to plan ...