JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Print ISSN : 0021-9592
Process Systems Engineering and Safety
A Simple Method for Modeling Process Asymmetry
Kejin HuangKeigo MatsudaTakeichiro TakamatsuMasaru Nakaiwa
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2006 Volume 39 Issue 4 Pages 448-452

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Abstract

Process asymmetry often introduces severe difficulties to process modeling and worsens control system performance. In this work, a simple modeling framework is proposed, which can effectively trade-off the difference between positive and negative process dynamics. It is characterized by small modeling effort in the consideration of process asymmetry. Modeling and control of a nonlinear high-purity ideal heat-integrated distillation column is conducted and the results obtained demonstrate the effectiveness of the modeling method proposed.

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© 2006 The Society of Chemical Engineers, Japan
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