Smith predictor based fractional-order PI control for time-delay processes

Title
Smith predictor based fractional-order PI control for time-delay processes
Author(s)
이문용트롱부[트롱부]
Keywords
ANALYTICAL DESIGN; SYSTEMS
Issue Date
201408
Publisher
KOREAN INSTITUTE CHEMICAL ENGINEERS
Citation
KOREAN JOURNAL OF CHEMICAL ENGINEERING, v.31, no.8, pp.1321 - 1329
Abstract
A new fractional-order proportional-integral controller embedded in a Smith predictor is systematically proposed based on fractional calculus and Bode's ideal transfer function. The analytical tuning rules are first derived by using the frequency domain for a first-order-plus-dead-time process model, and then are easily applied to various dynamics, including both the integer-order and fractional-order dynamic processes. The proposed method consistently affords superior closed-loop performance for both servo and regulatory problems, since the design scheme is simple, straightforward, and can be easily implemented in the process industry. A variety of examples are employed to illustrate the simplicity, flexibility, and effectiveness of the proposed SP-FOPI controller in comparison with other reported controllers in terms of minimum the integral absolute error with a constraint on the maximum sensitivity value.
URI
http://hdl.handle.net/YU.REPOSITORY/31345http://dx.doi.org/10.1007/s11814-014-0076-5
ISSN
0256-1115
Appears in Collections:
공과대학 > 화학공학부 > Articles
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