[1]闫水保,郑立军,张营帅,等.电站锅炉主汽温自适应PID控制[J].郑州大学学报(工学版),2008,29(01):18-20,23.
　Yan Shuibao,ZHENG Lijun,Zhang Yingshuai,et al.Adaptive PID control of main steam temperature of power station boiler[J].Journal of Zhengzhou University (Engineering Science),2008,29(01):18-20,23.
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电站锅炉主汽温自适应PID控制()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
29
期数:
2008年01期
页码:
18-20,23
栏目:
出版日期:
1900-01-01

文章信息/Info

Title:
Adaptive PID control of main steam temperature of power station boiler
作者:
闫水保; 郑立军; 张营帅; 等.
郑州大学,化工学院,河南,郑州,450001, 郑州大学,化工学院,河南,郑州,450001, 郑州大学,化工学院,河南,郑州,450001, 郑州大学,化工学院,河南,郑州,450001
Author(s):
Yan Shuibao; ZHENG Lijun; Zhang Yingshuai; etc
关键词:
自动控制技术;  PID控制;  锅炉;  主汽温;  数学模型
Keywords:
文献标志码:
A
摘要:
提出了热工过程对象拟线性数学模型,导出了在变工况条件下PID控制器参数与热工对象模型参数之间的关系,建立了新的PID参数调整算法.增益函数可以根据热工过程的理论分析或稳态工况数据统计分析获得,微分时间函数与积分时间函数之间的关系可以根据控制器内部不振荡原则来确定,这样可将PID在线调整参数从3个减少到1个,简化了现场整定算法.针对锅炉主汽温控制对象,提出了以动态超调量为准则的PID参数在线调整算法,可提高锅炉主汽温控制品质,并通过例子进行了验证.
Abstract:

A quasi-linear mathematical model of thermal process objects is proposed, the relationship between PID controller parameters and thermal object model parameters under variable working conditions is derived, and a new PID parameter adjustment algorithm is established. The gain function can be obtained according to the theoretical analysis of the thermal process or the statistical analysis of the steady-state working condition data, and the relationship between the differential time function and the integral time function can be determined according to the principle of non-oscillation inside the controller, which can reduce the PID online adjustment parameters from 3 to 1, simplifying the field tuning algorithm. Aiming at the boiler main steam temperature control object, an online PID parameter adjustment algorithm based on dynamic overshoot is proposed, which can improve the quality of boiler main steam temperature control, and is verified by example.

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更新日期/Last Update: 1900-01-01