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Lean thinking was born out of studying the rise of Toyota Motor Company from a bankrupt Japanese automaker in the early 1950s to today's dominant global player. [4] At every stage of its expansion, Toyota remained a puzzle by capturing new markets with products deemed relatively unattractive and with systematically lower costs while not following any of the usual management dictates.
DMAIC or define, measure, analyze, improve and control [1] (pronounced də-MAY-ick) refers to a data-driven improvement cycle used for optimizing and stabilizing business processes and designs. The DMAIC improvement cycle is the core tool used to drive Six Sigma projects.
5S methodology 5S resource corner at Scanfil Poland factory in Sieradz. 5S (Five S) is a workplace organization method that uses a list of five Japanese words: seiri (整理), seiton (整頓), seisō (清掃), seiketsu (清潔), and shitsuke (躾).
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.
The principles of the Toyota Way are divided into the two broad categories of continuous improvement and respect for human resources. [7] [8] [9] The standards for constant improvement include directives to set up a long-term vision, to engage in a step-by-step approach to challenges, to search for the root causes of problems, and to engage in ongoing innovation.
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.
The five focusing steps aim to ensure ongoing improvement efforts are centered on the organization's constraint(s). In the TOC literature, this is referred to as the process of ongoing improvement (POOGI). These focusing steps are the key steps to developing the specific applications mentioned below.
A continual improvement process, also often called a continuous improvement process (abbreviated as CIP or CI), is an ongoing effort to improve products, services, or processes. [1] These efforts can seek "incremental" improvement over time or "breakthrough" improvement all at once. [2]