1、 摘要 模糊 PID 的温度控制系统具有真正的智能化和灵活性, 越来越多的温度控制 系统都基于模糊 PID 算法而设计。随着控制对象变得复杂,应用常规 PID 温度控 制精度和鲁棒性降低。当控制对象很复杂的情况下,常规 PID 温度控制器已经不 再适用了,为了提高对复杂系统的控制性能,要使用模糊 PID 温度控制器。一种 将 PID 控制与模糊控制的简便性、灵活性、以及鲁棒性融为一体,构造了一个模 糊 PID 温度控制器。 本文设计了一种基于模糊 PID 的温度控制系统,以 AT89C51 单片机为核心, 主要做了如下几方面的工作:首先介绍了模糊 PID 控制理论基础,其次进行系统 的硬件设计
2、以及硬件选择,最后进行系统的软件设计以及仿真。 关键词:模糊 PID;AT89C51 单片机;温度控制;仿真 Abstract Fuzzy PID temperature control system with real intelligence and flexibility, more and more temperature control systems are designed based on fuzzy PID algorithm.With the control object becomes complicated, using conventional PID tempera
3、ture control accuracy and robustness of the lower.When the control object is a complex situation, conventional PID temperature controller is no longer applied, in order to improve the control performance of complex systems, to use the fuzzy PID temperature controller.A way to PID control and fuzzy c
4、ontrol of simplicity, flexibility, and robustness of the integration, we constructed a fuzzy PID temperature controller. This design presents a fuzzy-based PID temperature control system to AT89C51 SCM,made the following main areas of work:first introduce the theory of fuzzy PID control,second for the hardware design and hardware design,and finally to the system software design and simulation. KeywordsKeywords: Fuzzy PID; AT89C51 SCM; temperature control; simulation 目 录 第一章 引言 5 1.1 选题背景及其意义. 5