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- Title
Adaptive Internal Model Control of a High-Purity Heat-Integrated Air Separation Column.
- Authors
Fu, Yao; Liu, Xinggao
- Abstract
An internal model control scheme based on a second-order internal model (SI-IMC) is proposed for the heat-integrated air separation column (HIASC). An adaptive internal model control (ASI-IMC) scheme is further presented to make the model more accurate. The IMC scheme based on the first-order model (F-IMC) and the multi-loop PID (M-PID) scheme are also explored as the comparison basis of ASI-IMC and SI-IMC schemes. Comparative researches among these four control schemes are carried out in detail. The results indicate that ASI-IMC presents the best performances among the four control schemes in both servo control and regulatory control, which proves the improvement of ASI-IMC over the SI-IMC and the superiority of ASI-IMC for the high-purity HIASC.
- Subjects
DISTILLATION; NOBLE gases; COOLING; HEAT transfer; AIR compressors; ENERGY consumption
- Publication
Chemical Engineering & Technology, 2015, Vol 38, Issue 9, p1599
- ISSN
0930-7516
- Publication type
Article
- DOI
10.1002/ceat.201400393