摘要现行的轧钢加热炉主要是利用传统PID进行控制,但是这种控制一般都会有超调而且调节时间较长。为了解决上述问题,使得温度控制系统更加合理,本文提出了一种基于模糊逻辑参数整定的仿人智能控制方法,并通过MATLAB仿真平台进行了仿真以证明其有效性。86141
本文主要研究完成了以下几方面工作:
(1)介绍了步进式连续加热炉的炉型结构和加热工艺,分析了加热炉炉温控制的基本原理。针对加热炉炉温控制环节中的实际要求,介绍了控制系统的相关硬件设施并设计了相应的连接图;
(2)提出了仿人智能控制系统和模糊控制器的的设计方法,并进行了加热炉的炉温仿人智能控制系统设计和模糊逻辑参数校正设计;
(3)利用MATLAB仿真平台进行仿真,结果表明:本文所提出的基于模糊逻辑参数整定的仿人智能控制理论在加热炉炉温控制中是可行的。
毕业论文关键词:步进式连续加热炉;仿人智能控制;模糊逻辑参数整定
Abstract The current steel rolling heating furnace is mainly controlled by traditional PID, but this kind of control will have overshoot and longtime of adjustment。 In order to solve the above problems and make the temperature control system more reasonable, this paper presents a method of the imitation of humanoid intelligent control based on fuzzy logic parameter tuning。 MATLAB simulation platform is used to simulate and prove its effectiveness。
This paper mainly studies the following aspects of the work:
(1) Introducing the step type continuous heating furnace structure and heating process, analyzes the basic principle of heating furnace temperature control。 According to the actual problems of temperature control in heating furnace, put forward the related hardware control system and connection diagram;
(2) The design method of the imitation of humanoid intelligent control system and fuzzy controller is presented, and the imitation of humanoid intelligent control system of heating furnace and fuzzy logic parameter tuning is designed;
(3) Using the MATLAB as the simulation platform。 The results show that the proposed fuzzy logic based parameter tuning of heating furnace temperature control theory of heating furnace temperature control is feasible。
Keywords: Step type continuous heating furnace; The imitation of humanoid intelligent control; Fuzzy logic parameter tuning
目 录
第一章 绪论 1
1。1 轧钢加热炉的研究意义 1
1。2 轧钢加热炉的发展现状 1
1。3 本文主要任务 3
第二章 步进式连续加热炉 4
2。1 步进式连续加热炉的炉型结构 4
2。2 步进式连续加热炉的工作过程 4
2。3 步进式连续加热炉的相对优势 5
2。4 步进式连续加热炉的燃烧控制 5
第三章 控制系统硬件介绍 9
3。1 PLC 9
3。2 A/D转换模块 9
3。3 D/A转换模块 10
3。4 电动调节阀模块 11
3。5 电源模块 11
3。6 基准电流模块 11
3。7 测温热电偶