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Theory of constraints (TOC) is a body of knowledge on the effective management of (mainly business) organizations, as systems.
TOC consists of:
- some basic concepts and principles,
- the five thinking processes, and
- their applications to various domains, such as:
All real-world systems have at least one constraint; otherwise they would be capable of infinite throughput, which is clearly impossible, except in the unlikely case of a Technological singularity. TOC claims that a real-world
system with more than three constraints is extremely unlikely. This claim is based on linear programming models, which are capable of solving optimization problems for systems with many
hundreds of constraints. Researchers found that all but a few such solutions were so unstable that they would be completely
impractical amid the noise of a real-world system. The stability had a strong correlation to the number of constraints in the
problem; the more constraints, the less stability. TOC practitioners claim that in practice three constraints is the realistic
maximum. A major implication of this is that managing a complex system or organization can be made both simpler and more
effective, by providing managers with a few specific areas on which to focus.
TOC has been initiated by Eliyahu M. Goldratt and is being
actively developed by a loosely coupled community of practitioners around the world.
TOC is sometimes referred to as "Constraint Management".
See also
Books
- Eliyahu M. Goldratt and Jeff Cox. The Goal: A Process of Ongoing Improvement.
ISBN 0884270610
- Eliyahu M. Goldratt. It's Not Luck. ISBN 0884271153
- Eliyahu M. Goldratt. Critical Chain.
ISBN 0884271536
- Eliyahu M. Goldratt, Eli Schragenheim, Carol A. Ptak. Necessary
But Not Sufficient. ISBN
0884271706
- Eli Schragenheim. Management Dilemmas: The Theory of Constraints Approach to Problem Identification and
Solutions. ISBN 1574442228
- Lisa J. Scheinkopf Thinking For a Change: Putting the TOC Thinking Processes to Use. ISBN 1574441019
External links
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