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PDCA. PDCA or plan–do–check–act (sometimes called plan–do–check–adjust) is an iterative design and management method used in business for the control and continual improvement of processes and products. [ 1] It is also known as the Shewhart cycle, or the control circle / cycle. Another version of this PDCA cycle is OPDCA. [ 2]
It establishes a permanent corrective action based on statistical analysis of the problem and on the origin of the problem by determining the root causes. Although it originally comprised eight stages, or 'disciplines', it was later augmented by an initial planning stage. 8D follows the logic of the PDCA cycle. The disciplines are:
A3 problem solving is a structured problem-solving and continuous-improvement approach, first employed at Toyota and typically used by lean manufacturing practitioners. [1] It provides a simple and strict procedure that guides problem solving by workers. The approach typically uses a single sheet of ISO A3 -size paper, which is the source of ...
The corrective and preventive action is designed by a team that includes quality assurance personnel and personnel involved in the actual observation point of non-conformance. It must be systematically implemented and observed for its ability to eliminate further recurrence of such non-conformation. The Eight disciplines problem solving method ...
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] Delivery (customer valued) processes are constantly ...
Control charts are graphical plots used in production control to determine whether quality and manufacturing processes are being controlled under stable conditions. (ISO 7870-1) [ 1] The hourly status is arranged on the graph, and the occurrence of abnormalities is judged based on the presence of data that differs from the conventional trend or ...
Fixes that fail is a system archetype that in system dynamics is used to describe and analyze a situation, where a fix effective in the short-term creates side effects for the long-term behaviour of the system and may result in the need of even more fixes. [1] This archetype may be also known as fixes that backfire [2] or corrective actions ...
Trichinella. v. t. e. Hazard analysis and critical control points, or HACCP ( / ˈhæsʌp / [ 1] ), is a systematic preventive approach to food safety from biological, chemical, and physical hazards in production processes that can cause the finished product to be unsafe and designs measures to reduce these risks to a safe level. In this manner ...