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Adaptive controllers work smarter, not harder: commercially available adaptive controllers can adjust to process conditions they haven't experienced previously, and 'learn' how to make the process better.
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Control Engineering Europe
- Article date:
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November 1, 2002
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Copyright informationCOPYRIGHT 2002 Reed Business Information. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Every process controller is 'adaptive' in the sense that it changes its output in response to a change in the error between the setpoint and the process variable. However, an 'adaptive controller' can adapt not only its output, but its underlying control strategy as well. It can tune its own parameters or otherwise modify its own control law so as to accommodate fundamental changes in the behaviour of the process.
Hundreds of techniques for adaptive control have been developed for a wide variety of academic, defence, and industrial applications. However, very few adaptive controllers available as commercial products are capable of updating their control strategies while ...
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