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1、黄石理工学院 课程设计报告1目 录摘 要 .1引 言 .21 总的设计方案 .31.1 总体方案 .31.2 方案选择 .52 系统硬件设计 .72.1 系统结构图 .72.2 微处理器 .72.3 温度传感器 .92.4 显示电路 .112.5 功能按键 .122.6 压缩机，风机，电磁阀控制 .132.7 过欠压保护 .133 模糊控制算法 .153.1 对精确值的模糊化处理 .163.2 模糊推理规则的归纳 .173.3 模糊量向精确量的转化 .184 系统软件设计 .194.1 主程序 .194.2 中断服务程序 .205 技术总结 .216 结束语 .227 参考文献 .23黄石理工
2、学院 课程设计报告2摘要近年来随着计算机在社会领域的渗透，模糊控制电冰箱的成功开发引起了人们的注意。这 种电冰箱可以使食品迅速冷冻，延 长保存期；并可以防止冷藏室的温度过低而冻坏食品；还可以根据冰箱使用状态，在适当时候进行除霜，以减小由于除霜而对食品产生的影响；尚可根据使用情况不免不必要的冷却，以节约能源。通过对直冷式电冰箱制冷系统的改进和采用模糊控制技术，实现了电冰箱的双温双控，使电冰箱能根据使用条件的变化迅速合理地调节制冷量，且节能效果良好。现从冰箱的硬件结构框图和模糊控制器两个方面，以模糊控制算法为主线，将冰箱的温度控制过程完全地描述了出来。具体分为硬件结构框图及各功能电路的介绍、模糊控
3、制算法、软件程序框 图等三部分。由于冰箱的温度控制过程离不开对控制器的控制算法，因此本报告着重 讨论了温度控制器的模糊控制算法，并举出例子进行了详细阐述。关键字：模糊控制，温度控制ABSTRACTIn recent years, with the penetration of computers in the social sphere, the successful development of fuzzy control refrigerator attracted peoples attention. This refrigerator can make quick frozen foo
4、ds to extend shelf life; and can prevent the freezer temperature is too low and nipped food; refrigerator can also be used according to the state, at an appropriate time to defrost, to reduce due to defrost while the impact of food; can still be bound under the unnecessary use of cooling in order to
5、 save energy. Through the direct-cool refrigerator cooling system improvements and the adoption of fuzzy control technology to realize a dual-temperature refrigerator dual control, so that the use of refrigerators according to the conditions of a rapidly changing reasonably adjust cooling capacity,
6、and energy-saving good effect. Are from the refrigerator and fuzzy controller hardware block diagram of the two aspects of the fuzzy control algorithm as the main line, the temperature of the refrigerator control process described completely out. The specific hardware block diagram is divided into f
7、unctional circuits and the introduction of fuzzy control algorithms, software programs such as block diagram of three parts. As the refrigerator temperature control process can not be separated on the controller of the control algorithm, this report focused on the temperature controller of the fuzzy control algorithm, citing examples described in detail. Keywords: Fuzzy contr
