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Muda (無駄) is a Japanese term for anything that is wasteful and doesn't add value. It is also a key concept in the Toyota Production System. Waste reduction is an effective way to increase profitability. The Toyota Production System (TPS) (トヨタ生産方å¼) is the framework and philosophy organizing the manufacturing facilities at Toyota and the interaction of these facilities with the suppliers and customers. ...
A process adds value by producing goods or providing a service. A process also consumes resources. Waste occurs when more resources are consumed than are necessary to produce the goods or provide the service.
The Seven Wastes (Plus One)
The following Seven Wastes identify and classify resources which are commonly wasted. They were identified by Toyota’s Chief Engineer, Taiichi Ohno. Since that time one more type of waste has been added to the list: Taiichi Ohno (大野 è€ä¸€, February 29, 1912 - May 28, 1990) is considered to be the father of the Toyota Production System, also known as Just In Time or JIT. He has written several books about the system, the most popular of which is Toyota Production System: Beyond Large-Scale Production. ...
Defects Quality defects prevent the customer from accepting the product produced. New processes must be added in an effort to reclaim some value for the otherwise scrap product.
Overproduction Overproduction is the production or acquisition of items before they are actually required.
Transportation Each time a product is moved it stands the risk of being damaged, lost, delayed, etc.
Waiting Refers to both the time spent by the workers waiting for resources to arrive, the queue for their products to empty as well as the capital sunk in goods and services that are not yet delivered to the customer.
Inventory Work-In-Progress (WIP) represents a capital outlay that has not yet produced an income either by the producer or by the consumer. WIP or Wip can mean:- Computer users jargon for work in progress. An informal accounting term for works in progress -- WIP is an asset account used by some professional services firms (especially communication design and product design firms) to reflect revenues that have been earned but not yet billed. ...
Motion As compared to Transportation, Motion refers to the producer or worker. This has significance to damage, wear, safety. It also includes the fixed assets, and expenses incurred in the production process.
Overprocessing Using a more expensive or otherwise valuable resource than is needed for the task. There is a particular problem with this item as regarding people. People may need to perform tasks that they are over qualified for so as to maintain their competency. This training cost can be used to offset the waste associated with overprocessing.
Skill Organizations employ their staff for specific skills that they may have. These employees have other skills, it is wasteful to not take advantage of these skills as well. "It is only by capitalizing on employees' creativity that organizations can eliminate the other seven wastes and continuously improve their performance."
See also This article or section does not cite its references or sources. ...
Lean Software Development is a translation of lean manufacturing principles and practices to the software development domain. ...
Agile software development is a conceptual framework for undertaking software engineering projects. ...
Total Quality Management (TQM) is a management strategy aimed at embedding awareness of quality in all organizational processes. ...
External links - "The 7 Manufacturing Wastes"
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