| 催化裂化装置的非线性预测控制 |
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| 引用本文： | 杨青,李树荣,成玲.催化裂化装置的非线性预测控制[J].中国石油大学学报(自然科学版),2005,29(3). |
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| 作者姓名： | 杨青 李树荣 成玲 |
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| 作者单位： | 1. 中国石油大学信息与控制工程学院,山东,东营,257061
2. 中国石油大学计算机与通信工程学院,山东,东营,257061 |
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| 基金项目： | 国家"973"项目(2004CB31800) |
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| 摘 要： | 基于反馈线性化方法,提出了一种有输入、输出约束条件的多入多出非线性系统的预测控制方法。催化裂化装置(FCCU)的反应再生部分是一个典型的非线性系统,基于FCCU的机理模型,采用该控制方法设计了非线性预测控制器,并对其跟踪能力和稳定性进行了仿真分析。仿真结果表明,所设计的控制器具有良好的跟踪性能和稳定性。
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| 关 键 词： | 非线性系统 非线性预测控制 反馈线性化 催化裂化装置 |
Nonlinear model predictive control of fluid catalytic cracking unit |
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| YANG Qing,LI Shu-rong,CHENG Ling.Nonlinear model predictive control of fluid catalytic cracking unit[J].Journal of China University of Petroleum,2005,29(3). |
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| Authors: | YANG Qing LI Shu-rong CHENG Ling |
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| Institution: | YANG Qing~1,LI Shu-rong~1,CHENG Ling~2 |
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| Abstract: | On the basis of feedback linearization, a nonlinear model predictive control method of a multi imputs and multi outputs (MIMO) system was designed when input and output constraints exist in the system. The dynamics of a fluid catalytic cracking unit (FCCU) is a typical nonlinear system. A nonlinear model predictive controller was designed based on the mechanism model of a FCCU. The traceability and stability of the controller were analyzed by simulation for a sample of the FCCU. The simulation tests show that the controller has high traceability and stability. |
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| Keywords: | nonlinear system nonlinear model predictive control feedback linearization fluid catalytic cracking unit |
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