| 基于非线性模型的电加热温度控制器的设计 |
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| 引用本文： | 蒋小平,田元,刘建,王利军.基于非线性模型的电加热温度控制器的设计[J].自动化与仪表,2010,25(3):29-32. |
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| 作者姓名： | 蒋小平 田元 刘建 王利军 |
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| 作者单位： | 中国矿业大学(北京)信息与电气工程系,北京,100083 |
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| 基金项目： | 北京市教育委员会共建项目专项资助 |
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| 摘 要： | 电加热炉具有非线性、时变、滞后、不对称等特点。控制对象的复杂性，导致对它的控制有一定的难度。本文根据电加热温度控制系统的全功率升温／自然降温特性曲线．提出一种非线性数学模型。基于该模型的特性，针对多段程序控制升温系统．讨论了控制器结构。设计了前馈控制器和PID控制器．分析了控制器参数与模型参数之间的内在联系。根据实际的电加热温度控制系统，计算出了具体的控制参数．实现了精确控制。通过实验，验证了模型建立的有效性和控制器设计的优越性。
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| 关 键 词： | 电加热 非线性 数学模型 程序控制升温 前馈控制器 PID控制器 |
Design of Electric Heating Temperature Controller Based on the Nonlinear Model |
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| JIANG Xiao-ping,TIAN Yuan,LIU Jian,WANG Li-jun.Design of Electric Heating Temperature Controller Based on the Nonlinear Model[J].Automation and Instrumentation,2010,25(3):29-32. |
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| Authors: | JIANG Xiao-ping TIAN Yuan LIU Jian WANG Li-jun |
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| Affiliation: | JIANG Xiao-ping,TIAN Yuan,LIU Jian,WANG Li-jun(Department of Information , Electronic Engineering,China University of Mining , Technology(Beijing),Beijing 100083,China) |
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| Abstract: | Electric heater is a nonlinear system with time-varying,lag and asymmetry.The complexity of the controlled object,lead to the control has the certain difficulty.According to the natural cooling and full-power heating characteristics curve of electric heating temperature control system,this paper puts forward a kind of nonlinear mathematical model.Depending on the characteristics of the model,the controller structure was discussed and the feed-forward controller and PID controller are designed to apply to th... |
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| Keywords: | electric heater nonlinear mathematical model programmed thermal process feed-forward PID |
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