燃烧后二氧化碳捕集系统的改进自抗扰控制

doi:10.3969/j.issn.2097-0706.2023.08.003

综合智慧能源 ›› 2023, Vol. 45 ›› Issue (8): 18-25.doi: 10.3969/j.issn.2097-0706.2023.08.003

燃烧后二氧化碳捕集系统的改进自抗扰控制

李朋真, 贾冰珂, 刘艳红, 吴振龙^*()

郑州大学电气与信息工程学院，郑州 450001

收稿日期:2023-05-08 修回日期:2023-07-11 出版日期:2023-08-25 发布日期:2023-08-22
通讯作者: *吴振龙（1992），男，副教授，博士，从事二氧化碳封存、捕集控制，自抗扰控制及其工程应用等方面的研究，wuzhenlong2020@zzu.edu.cn。
作者简介:李朋真（1997），男，在读硕士研究生，从事自抗扰控制等方面的研究，lipengzhen24@163.com。
基金资助:
国家自然科学基金项目(52106030);电力系统国家重点实验室开放课题(SKLD21KM14);郑州大学教授团队助力企业创新驱动发展专项(JSZLQY2022016)

Modified active disturbance rejection control on the post-combustion CO₂ capture system

LI Pengzhen, JIA Bingke, LIU Yanhong, WU Zhenlong^*()

School of Electrical and Information Engineering, Zhengzhou University, Zhengzhou 450001, China

Received:2023-05-08 Revised:2023-07-11 Online:2023-08-25 Published:2023-08-22
Supported by:
National Natural Science Foundation of China(52106030);Open Fund of the State Key Laboratory of Electrical Power System(SKLD21KM14);Zhengzhou University Professor Team for Enterprise Innovation-Driven Development Project under Grant(JSZLQY2022016)

摘要/Abstract

摘要：

随着“双碳”目标的提出，燃烧后二氧化碳捕集技术受到了广泛关注，其控制问题成为学术界重要的研究热点。由于烟气流量等干扰下，传统控制器无法满足系统的灵活性捕集。为了弥补这一缺陷，对燃烧后二氧化碳捕集系统提出了一种改进自抗扰控制（MADRC）方案。该方案将补偿函数引入线性自抗扰控制，能够提高捕集系统的跟踪和抗扰能力。此外，进行了不同控制策略下二氧化碳捕集系统的对比仿真和蒙特卡洛模拟试验。在捕集率设定值分别为88%，96%和90%时，MADRC能够迅速使系统达到稳定，比自抗扰控制快约125 s，比传统比例-积分-微分（PID）控制快约800 s，表明所设计的控制器具有良好的动态性能。在烟气流量干扰下MADRC能够快速抑制扰动，并且在蒙特卡洛模拟下，绝对误差积分（IAE）和平方误差积分（ISE）的指标范围均小于自抗扰控制器和PID控制器，说明其具有很强的鲁棒性和抗扰能力，验证了所设计的控制器的有效性。

关键词: 燃烧后二氧化碳捕集系统, 改进自抗扰控制, 蒙特卡洛模拟, CO₂捕集利用与封存

Abstract:

With the proposal of "dual carbon" target， the post-combustion carbon dioxide capture system has attracted wide attention， and its control has become a hot issue in academia. Due to the disturbance of flue gas flow， traditional controllers cannot satisfy the systems' requirement on flexible CO₂ capture. To make up for this shortcoming， a modified active disturbance rejection control（MADRC） method is proposed for post-combustion carbon dioxide capture systems. This control method modifies the linear active disturbance rejection control and introduces compensation function， improving the tracking and disturbance rejection ability of the carbon capture system. In addition， comparative simulations and Monte Carlo simulation experiments were conducted on a CO₂ capture system under different control strategies. At the capture rate set value of 88%， 96% and 90%， respectively， the MADRC was able to stabilize the system in a short time，which was about 125 s faster than that of active disturbance rejection control，and about 800 s faster than that of traditional PID control， indicating that the designed controller has good dynamic performance. Under the flue gas flow disturbance， the proposed controller can quickly suppress the disturbance， and according to Monte Carlo simulation results， the IAE and ISE indexes of the proposed controller are smaller than those of the active disturbance rejection controller and the traditional PID controller， indicating that the proposed controller has a strong robustness and anti-disturbance capability， verifying the effectiveness of the controller.

Key words: post-combustion CO₂ capture system, modified active disturbance rejection control, Monte Carlo simulation, carbon capture, utilization and storage

中图分类号:

TK019：TM761

李朋真, 贾冰珂, 刘艳红, 吴振龙. 燃烧后二氧化碳捕集系统的改进自抗扰控制[J]. 综合智慧能源, 2023, 45(8): 18-25.

LI Pengzhen, JIA Bingke, LIU Yanhong, WU Zhenlong. Modified active disturbance rejection control on the post-combustion CO₂ capture system[J]. Integrated Intelligent Energy, 2023, 45(8): 18-25.

图/表 13

图1

图2

图3

图4

图5

表1

不同控制器参数

控制器	参数
PID	k_p=316.4, k_i=0.991 5
ADRC	b₀=0.000 6, ω_c=0.008, ω_o=1.6
MADRC	b₀=0.05, ω_c=48, ω_o=3, $G c p (s) = 1 432.563 37 s + 1$

表1

图6

图7

图8

图9

图10

图11

图12

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燃烧后二氧化碳捕集系统的改进自抗扰控制

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