积分时滞对象的一种内模PID鲁棒控制方法

doi:10.6040/j.issn.1672-3961.0.2015.407

山东大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (5): 64-67.doi: 10.6040/j.issn.1672-3961.0.2015.407

积分时滞对象的一种内模PID鲁棒控制方法

侯明冬^1,2,王印松¹,田杰³

1. 华北电力大学控制与计算机工程学院, 河北保定 071003;2. 山东劳动职业技术学院电气及自动化系, 山东济南 250100;3. 山东女子学院信息技术学院, 山东济南 250100

收稿日期:2015-12-08 出版日期:2016-10-20 发布日期:2015-12-08
作者简介:侯明冬(1980— ),男,山西临汾人,讲师,博士研究生,研究方向为控制器性能优化及故障诊断.E-mail:hmdcp@126.com王印松(1967— ),男,河北河间人,教授,博导,博士,主要研究方向为先进控制理论及应用,清洁能源发电系统监测与控制技术等.E-mail: wys@ncepu.edu.cn
基金资助:
华北电力大学中央高校基本科研业务费专项资金面上资助项目(2014MS152)

An IMC-PID robust control method for process of integrator plus time delay

HOU Mingdong^1,2, WANG Yinsong¹, TIAN Jie³

1. School of Control and Computer Engineering, North China Electric Power University, Baoding 071003, Hebei, China;
2. Department of Electrics and Automation, Shandong Labor Vocational and Technical College, Jinan 250100, Shandong, China;
3. College of Information Technology, Shandong Women's University, Jinan 250100, Shandong, China

Received:2015-12-08 Online:2016-10-20 Published:2015-12-08

摘要/Abstract

摘要： 针对工业系统中常见的具有积分和时滞特性的过程对象,基于内模控制原理,将IMC-PID(internal model control-proportional integral derivative)控制器参数整定与鲁棒控制相结合,设计一种IMC-PID控制器参数的鲁棒整定方法。通过一阶环节逼近积分环节,采用泰勒公式逼近时滞项,推导得到IMC-PID控制器参数的设计公式。并基于鲁棒性能指标给出了简单的参数整定解析表达式,实现IMC-PID控制器的鲁棒整定。仿真结果表明,基于鲁棒性能指标的IMC-PID控制方法克服了常规方法中参数整定的盲目性,可使系统同时获得良好的动态响应性能和鲁棒性。

关键词: 鲁棒性, 动态响应, 积分时滞对象, 内模PID, 参数整定

Abstract: For the integrated plus time delay in industrial system, a design and parameters tuning approach of internal model control PID(IMCPID)controller was proposed. The integrator in the model was replaced by a first-order lag, the steady-state performance of the system was improved, the time-delay term in the model was approached with the first-order Taylor expansion, and the design method of IMC-PID controller was founded. The analytical expression for robust tuning the adjustable parameter of the IMC-PID controller was derived based on the robustness index of the control system. The simulation results showed that the proposed method could provide a better dynamic performance and robustness against parameters perturbation, and the blindness of conventional method for controller parameter tuning was overcome.

Key words: dynamic response, internal model control-PID, integral process with time-delay, robustness, parameter tuning

中图分类号:

TP273

侯明冬,王印松,田杰. 积分时滞对象的一种内模PID鲁棒控制方法[J]. 山东大学学报(工学版), 2016, 46(5): 64-67.

HOU Mingdong, WANG Yinsong, TIAN Jie. An IMC-PID robust control method for process of integrator plus time delay[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2016, 46(5): 64-67.

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积分时滞对象的一种内模PID鲁棒控制方法

An IMC-PID robust control method for process of integrator plus time delay

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