MATLAB循环流化床控制系统的仿真设计
关键词： 循环流化床;MATLAB仿真;模糊控制;扰动;WinCC
The simulation design of CFBB control system
Abstract: The subject is the simulation design of CFB control system. Explore the control strategy of each part of circulating fluidized bed boiler control system. On this basis, the establishment of a MATLAB simulation model and adding disturbance transfer function model to verify the feasibility of the control strategy, fix and optimize control parameters. Firstly, do an introduction of circulating fluidized bed boiler and presentation of its features. Then broadly describes the overall program of circulating fluidized bed control system, as well as applied to some of the major software. While the corresponding control scheme, make the appropriate part of the simulation model and analyze corrected. Finally, the functions and composition of the configuration interface to make a detailed explanation. The experiment design results show that the requirement to meet design specifications, with some characteristics of advance research.
Key words: CFBB; The simulation OF MATLAB; fuzzy control;distribution;WinCC
目录
1 研究背景 3
1.1 循环流化床锅炉简介及工作原理 3
1.2 循环流化床锅炉的特性 3
1.3 循环流化床锅炉的发展现状 5
1.4 选用计算机仿真的依据 7
1.5 本文主要内容 7
2 循环流化床锅炉控制的整体方案 7
2.1 循环流化床锅炉主要控制任务 7
2.2 控制模型结构控制框图及相应结论 8
2.3 过热蒸汽温度控制 9
2.4 流化床温、负荷控制 10
2.5 炉膛压力控制 11
2.6 汽包液位控制 12
2.7 除氧器液位控制 13
3 软件概述 13
3.1 WINCC、STEP7、WINLC的特点 14
3.2 SIEMEMS STEP7的模块 14
3.3 WINAC BASIS特点和选用依据 15
4 仿真模型的建立 16
4.1 蒸汽温度模型 17
4.2 炉膛负压的仿真模型 18
4.3 汽包液位模型 19
4.4 除氧器液位控制模型 20
4.5 燃烧控制系统仿真模型 21
4.6 氧量控制模型 24
5 仿真模型的嵌入和组态界面 25
5.1 仿真模型的嵌入 26
5.2 组态界面的构成与功能 27
6 总结 33