| 一种改进的自抗扰解耦方法及其应用仿真 |
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| 引用本文： | 李壮举,刘贺平,王允建.一种改进的自抗扰解耦方法及其应用仿真[J].计算机仿真,2010,27(4):344-348. |
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| 作者姓名： | 李壮举 刘贺平 王允建 |
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| 作者单位： | 1. 北京科技大学信息工程学院,北京,100083;北京建筑工程学院电信学院,北京,100044
2. 北京科技大学信息工程学院,北京,100083 |
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| 基金项目： | 863国家高技术研究发展计划(2007AA01Z170) |
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| 摘 要： | 针对一类多入多出系统的解耦问题,提出了一种基于扩张状态观测器(ESO)的动态解耦方法。将系统输入变量间的耦合作用,被控对象参数时变和外界干扰视为一个总的扰动,用ESO估计扰动并反馈到控制器进行补偿,从而实现动态解耦,对解耦后的子系统按照极点配置方法设计出控制器。采用参数动态确定法确定ESO的参数。上述动态解耦方法简化了解耦过程,放松了对系统模型精度的要求,计算量小,响应速度快,鲁棒性强。并通过对常压蒸馏塔模型进行仿真控制,并与模糊PID解耦控制方法对比,结果表明本方法有效可行。
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| 关 键 词： | 多变量 扩张状态观测器 动态解耦 参数动态确定 蒸馏塔 |
An Improved Auto Disturbances Rejection Decoupling Control and Its Application Simulation |
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| LI Zhuang-ju,LIU He-ping,WANG Yun-jian.An Improved Auto Disturbances Rejection Decoupling Control and Its Application Simulation[J].Computer Simulation,2010,27(4):344-348. |
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| Authors: | LI Zhuang-ju LIU He-ping WANG Yun-jian |
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| Affiliation: | 1.School of Information Engineering/a>;University of Science and Technology Beijing/a>;Beijing 100083/a>;China/a>;2.School of Electric and Information Engineering/a>;Beijing University of Civil Engineering and Architecture/a>;Beijing 100044/a>;China |
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| Abstract: | For the problem of decoupling in a class of MIMO system,a dynamic decoupling control based on ESO was proposed.In this method,coupling from other inputs,parameters time-varying and external disturbances are all regarded as a total disturbance.The total disturbance can be estimated by ESO and feedback to controller,and decoupling is achieved.The parameters of ESO are adjusted through parameter dynamic determination.In this method,the decoupling is simplified,and the requirement of the plant model is reduced.... |
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| Keywords: | Multivariable ESO Dynamic decoupling control Parameter dynamic determination Distillation column |
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