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首页> 外文期刊>The Canadian Journal of Chemical Engineering >DYNAMIC BEHAVIOURS AND CONTROL OF FULL TOWER HEAT INTEGRATED AIR SEPARATION COLUMNS
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DYNAMIC BEHAVIOURS AND CONTROL OF FULL TOWER HEAT INTEGRATED AIR SEPARATION COLUMNS

机译：全塔式热风一体式空气分离塔的动态特性与控制

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摘要

The heat integrated air separation column (HIASC) is a frontier in the energy-saving distillation research. The dynamic model of HIASC is first proposed. The dynamic behaviours such as strong asymmetric nonlinearity and distinct inverse responses are first investigated based on the simulation results of the dynamic model to give some insight into the dynamic difficulties associated with the control of a high purity HIASC. The multi-loop PID (M-PID) and the autoregressive exogenous (ARX) model based generic model control (GMC) scheme are then explored. Furthermore, a multivariable decoupling ARX model is proposed in order to eliminate the interaction between the two single control loops. At last, an adaptive generic model control (ADGMC) scheme for HIASC is presented. The detailed comparative research works are carried out, and the results show that the ADGMC overcomes the interaction of the control loops and the model mismatch of GMC, and hence improves the control performances.
机译：热集成空气分离塔（HIASC）是节能蒸馏研究的前沿领域。首先提出了HIASC的动力学模型。首先基于动力学模型的仿真结果研究了诸如强非对称非线性和明显逆响应之类的动力学行为，以期对与控制高纯度HIASC相关的动力学困难提供一些见识。然后探索了多回路PID（M-PID）和基于自回归外生（ARX）模型的通用模型控制（GMC）方案。此外，提出了多变量解耦ARX模型，以消除两个单个控制回路之间的相互作用。最后，提出了一种适用于HIASC的自适应通用模型控制（ADGMC）方案。进行了详细的比较研究工作，结果表明ADGMC克服了控制回路的相互作用和GMC模型不匹配，从而提高了控制性能。

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