Dynamic behaviors and nonlinear wave model control of heat integrated air separation columns with different purities

作者：Fu, Yao; Liu, Xinggao^*

来源：Chemometrics and Intelligent Laboratory Systems, 2016, 158: 14-20.

DOI：10.1016/j.chemolab.2016.08.008

• Different purities
• Heat integrated air separation column
• Model predictive control
• Nonlinear wave model
• Shock wave velocity

Three heat integrated air separation columns (HIASCs) with different purities (low purity, moderate purity and high purity) are presented, and the open-loop dynamic behaviors are studied. A shock wave velocity is derived for HIASC, and based on that a nonlinear wave model of the HIASC is further established. Combined with the proposed wave model, a novel model predictive control scheme (SWMPC) is carried out, which is compared with a conventional model predictive control scheme (MPC). The comparison simulation results show that SWMPC can work better than MPC, especially for the high-purity HIASC.

• 出版日期2016-11-15
• 单位浙江大学