| Dynamics and control designs for internal thermally coupled distillation columns with different purities, Part 1: Open loop dynamic behaviors |
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| 引用本文： | ZHU Yu,LIU Xinggao,CHU Jian. Dynamics and control designs for internal thermally coupled distillation columns with different purities, Part 1: Open loop dynamic behaviors[J]. 自然科学进展(英文版), 2006, 16(4): 346-351. DOI: 10.1080/10020070612330003 |
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| 作者姓名： | ZHU Yu LIU Xinggao CHU Jian |
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| 作者单位： | National Laboratory of Industrial Control Technology, Department of Control Science and Engineering, Zhejiang University, Hangzhou 310027, China |
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| 基金项目： | 中国科学院资助项目;浙江省自然科学基金 |
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| 摘 要： | The open loop dynamic behaviors of internal thermally coupled distillation column with four different purities (low-, moderate-, high- and very high-purity) are studied. These dynamic behaviors are characterized by strong asymmetric non-linearity, high sensitivity to operation conditions change and distinct inverse response. With the increase of purity, these dynamic behaviors are intensified and become more complex, which easily lead to the mismatch between linear model and plant and also change the relationship between manipulated and controlled variables.
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| 关 键 词： | thermal coupling inverse response non-linearity high purity asymmetric behavior |
Dynamics and control designs for internal thermally coupled distillation columns with different purities, Part 1: Open loop dynamic behaviors |
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| ZHU Yu,LIU Xinggao,CHU Jian. Dynamics and control designs for internal thermally coupled distillation columns with different purities, Part 1: Open loop dynamic behaviors[J]. Progress in Natural Science, 2006, 16(4): 346-351. DOI: 10.1080/10020070612330003 |
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| Authors: | ZHU Yu LIU Xinggao CHU Jian |
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| Affiliation: | National Laboratory of Industrial Control Technology, Department of Control Science and Engineering, Zhejiang University, Hangzhou 310027, China |
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| Abstract: | The open loop dynamic behaviors of internal thermally coupled distillation column with four different purities (low-, moderate-, high- and very high-purity) are studied. These dynamic behaviors are characterized by strong asymmetric non-linearity, high sensitivity to operation conditions change and distinct inverse response. With the increase of purity, these dynamic behaviors are intensified and become more complex, which easily lead to the mismatch between linear model and plant and also change the relationship between manipulated and controlled variables. |
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| Keywords: | thermal coupling inverse response non-linearity high purity asymmetric behavior |
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