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The 2C and 3C controllers: Multirate single-loop digital logic

✍ Scribed by Daokui Jiang; Thomas J. Ward

Publisher: American Institute of Chemical Engineers
Year: 1989
Tongue: English
Weight: 404 KB
Volume: 35
Category: Article
ISSN: 0001-1541
DOI: 10.1002/aic.690351217

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✦ Synopsis

A careful study of skilled operators running a process plant under manual control led to the notion of multirate digital control structures that have the superficial appearance of digital PI and PiD controllers. However, the control action is quite different. The resulting multirate controllers are introduced here as the 2C and 3C controllers. This paper presents a discussion of the 2C and 3 C controllers, a practical tuning guide based on input-output tests, and comparative simulation results.

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