基于模糊PID的电阻炉温度控制系统设计
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密 惠 保
摘 要
电阻炉是一种具有纯滞后的大惯性系统，开关炉门、加热材料、环境温度以及电网电压等都影响控制过程，传统的加热炉控制系统大多建立在一定的模型基础上，难以保证加热工艺要求。
近年来模糊PID控制在许多控制应用中都取得了成功，模糊PID控制应用于控制系统设计不需要知道被控对象精确的数学模型，对于许多无法建立精确数学模型的复杂系统能获得较好的控制效果，同时又能简化系统的设计，因此，在电阻炉温度控制系统中，模糊PID控制就成为较好的选择。本文主要给出了电阻炉系统的模糊PID控制设计。首先介绍了PID控制和模糊控制理论的相关知识，基于电阻炉的数学模型， 提出了用PID和模糊PID理论实现对温度进行控制的方案，然后给出仿真，通过比较证明了模糊PID控制的可行性和优点。
关键词 ： 温度控制 模糊PID控制 电阻炉 仿真
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[资料来源：http://www.THINK58.com]
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Abstract
The resistance furnace is a kind of pure inertial system lags behind the door, switch, environmental temperature and heating material, voltage control process, etc. Influence of traditional heating control system based on certain mostly based on the model, the heating process requirements to guarantee.
In recent years, fuzzy PID control application in many the success, fuzzy PID control applied to control system design, need not know is accurate mathematical model for many cannot be established mathematical model of complex systems can gain better control effect, also can simplify system design, therefore, in the resistance furnace temperature control system, the fuzzy PID control becomes better choice. This paper discusses the application of fuzzy PID control system, control theory of resistance furnace is introduced first exhaustive PID control and fuzzy control theory of knowledge, and proposed in this foundation with PID and theory of fuzzy PID control scheme for temperature is established, based on the resistance furnace temperature of simple mathematical model of fuzzy PID controller, and then, by comparing the simulation proves its feasibility.
Key words: Temperature control Fuzzy PID control The resistance furnace Simulation
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[资料来源：http://THINK58.com]