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- Title
Dynamic matrix control of a high-purity internal thermally coupled distillation column.
- Authors
Cong, Lin; Liu, Xinggao; Wang, Chengyu
- Abstract
The internal thermally coupled distillation column (ITCDIC) is a frontier in the energy-saving distillation research. The process inside a high-purity ITCDIC is of great nonlinear dynamics, high sensitivity to disturbances and inverse response, which prevent the process from being commercialised. To obtain a satisfactory control performance, a dynamic matrix control (DMC) is presented. The benzene/toluene system is studied as a simulation example. The results are compared with a traditional PID and an adaptive multivariable generalised predictive control (AM-GPC) in detail. The performances in both servo and regulatory control confirm the accuracy and validity of the DMC for the high-purity ITCDIC process.
- Subjects
DISTILLATION; NONLINEAR dynamical systems; BENZENE; TOLUENE; SIMULATION methods &; models
- Publication
Canadian Journal of Chemical Engineering, 2014, Vol 92, Issue 4, p696
- ISSN
0008-4034
- Publication type
Article
- DOI
10.1002/cjce.21867