1、 毕毕 业业 设设 计计 说说 明明 书书 题目题目：基于大林算法的锅炉温度控制系统基于大林算法的锅炉温度控制系统 的研究的研究 二级学院： 电子信息与电气工程学院 摘要 I 摘要摘要 本文研究了温度系统的控制问题，并以退火炉系统为例分析了带有纯滞后特性的 一阶惯性系统的控制过程。作为热处理钢材的重要装置，退火炉在现代化生产流程中 应用相当普遍。 论文首先分析了本课题的课题来源和背景，并给出了当前国内外的研究现状，当 前社会上已经出现了多种控制方法,每种方法各有其特点。然后简要的提及课题的研究 目的和意义。接着文章分析了退火炉系统的结构组成和工作原理，通过阶跃曲线法得 到系统的传递函数数学模型
2、。接着文章介绍了当前世界上普遍采用的几种控制方法， 包括传统 PID 控制方法、大林控制算法、史密斯预估控制算法。并通过比较，分析了 各种控制方法的优缺点。文章分别通过采用 PID 控制算法和大林算法对退火炉系统进 行软件仿真，并对仿真图像进行计较，通过比较发现传统 PID 控制方法在解决带有纯 滞后特性的控制系统时很难实现很好的控制，系统的超调量很大，系统的调节时间较 长，总体动静态特性都不是很好。而采用大林算法进行控制，系统有很好的响应曲线， 系统可以实现无超调，而且可以保证在有限步内就可以对被控对象实现无误差控制， 系统的动静态特性可以得到合理的配置。最后文章又就大林算法的参数失配情况进
3、行 了分析讨论。根据系统的仿真结果可以看出，大林算法对参数失配也有很强的适应能 力。由此可见，大林算法可以有效的解决带有纯滞后环节系统的控制问题。 关键词：关键词：退火炉；大林算法； PID 控制器；纯滞后 Abstract II Abstract The temperature control is the main problem discussed in this paper, and the annealing furnace system is selected as an example of a typical model of the first-order inertial
4、system with pure hysteresis characteristics. As an important device for heat treatment of steel, the annealing furnaces are widely applied in the modern production process. Firstly, the origin and background of this issue is discussed, and the current research status is briefly introduced, it has be
5、en told that there are several control methods in the world, and each of them has its different characteristics. In the next part, the purpose and significance of our research are mentioned. Then the structure of the system and the working principle of the annealing furnace is discussed in the paper
6、. The transfer function of the system is achieved by means of the step curve method. It has been known to us that there were several common control algorithms in the industrial field, including the traditional PID control method, the Dahlin control algorithm, Smith predictive control algorithm. The advantages and disadvantages of various control methods is obtained by comparison. Then, the annealing furnace system is been simulated by the methods of the traditional
