ABSTRACT:On the basis of the production technology of the blast furnace, originally designed and put forward a brand-new cooling system, Utilize the fuzzy control theory to regulate three parameter Kps, Ki, Kd of PID controller online, And has designed the hardware of fuzzy PID controller and software part by oneself . System this regard 80C51 single computer as core, design have temperature of showing, accuse of warm automatically, report to the police and bring and guard the gate dog and power person who control function circuit only, Can go on from automatic to manual switching over.
Control algorithm parameter fuzzy to since exactly makes the method to adopt PID, learn from other' s strong points to offset one's weaknesses, annex the merit of the two, Perfect that PID control further Adaptive performance, it can give play to fuzzy controlling amount stupid and excellent and strong, the trends respond the well, time of rising fast, exceed the characteristic turned down, The trends with PID controller again follow the precision of quality and stable state .
Keywords: Cooling system, fuzzy PID, 80C51 single computer, temperature control
目 录
摘 要 Ⅰ
Abstract Ⅱ
第1章 绪 论 1
1.1模糊PID控制技术研究发展 1
1.2模糊PID控制器的基本形式 1
1.2.1增益调整型(Gain-scheduling)模糊PID控制器 2
1.2.2直接控制量型(Direct-action)模糊PID控制器 3
1.2.3混合型(Hybrid)模糊PID控制器 4
第2章 系统的控制方案 6
2.1系统的原理 6
2.2控制方案 6
2.3系统的控制算法研究 6
第3章 模糊自整定PID参数控制器的设计 8
3.1 PID控制器 8
3.1.1 PID控制器参数对系统性能的影响 9
3.1.2采样周期T的选择原则 10
3.2 模糊参数调节器 10
3.2.1模糊控制系统组成 10
3.2.2模糊控制的基本原理 11
3.2.3模糊控制器的结构 12
3.2.4模糊控制算法 14
第4章 硬件部分的设计 19
4.1控制模块 19
4.1.1看门狗电路 19
4.1.2键盘显示接口电路 24
4.1.3存储器扩展电路 26
4.2 输入模块 26
4.2.1 温度采集处理电路 26
4.2.2 A/D转换器 28
4.3输出模块 30
第5章 软件部分设计 32
5.1主程序 32
5.2定时器T0中断服务子程序 33
5.3程序调试及调试过程中出现的问题 37
结束语 56
参考文献 57
致 谢 58
附录A英文资料译文及原文 59
附录B 电气原理图 60