毕业设计---基于模糊模型的自动雨刷控制系统设计方.doc

摘要 提出了一种基于模糊模型的自动雨刷控制系统设计方法。该系统通过红外雨量传感器检测雨量大小，使用模糊控制算法和脉宽调制技术调节雨刷器的速度；给出了系统的总体结构和具体设计方法。实验表明，本文所提出的自动雨刷控制系统性能可靠、反应灵敏、控制效果良好。 Abstract: This paper presents a fuzzy model-based automatic wiper control system design method. The system through the infrared sensors detect rain rainfall size, the use of fuzzy control algorithm and pulse width modulation speed wipers regulation; given the overall structure of the system and the specific design methods. Experiments show that the proposed control system for automatic wipers reliable, responsive, effective control. 关键字：雨量传感器、PLC 目录 摘要···················································1 1 绪论·················································3 2 简介···················································5 2.1、说明···········································5 2.2、内容···········································5 2.3、目的·············································7 2.4、组成部分·········································7 3 控制部分···············································7 3.1智能雨刷工作循环流程······························7 3.2智能雨刷电器设备清单······························8 3.3电器元件传感器····································8 3.4可编程控制器······································14 3.5智能雨刷的机械结构·······························14 4 智能雨刷电气控制原理···································17 5 刮水器常见故障分析与检测………………………………………19 6 小结···················································20 7 参考文献···············································22 8 附图（表） …………………………………………………………23 1绪论 随着社会的不断发展，在当今科学技术不断变化的时代，各种新技术、新工艺、新材料、新设备的不断出现，已不再是单纯某一门学科技术的发展，而是各门相关学科、多种先进技术的互相渗透和相辅相成的结果。 机电一体化技术就是这样的一种新技术，它是在信息论、控制论和系统论的基础上建立起来的综合技术。其实质是从系统观点出发，运用过程控制原理，将机械、电子与信息、检测等有关技术进行有机组合，实现整体最佳化。 机电一体化技术从根本上改变了工业生产的面貌。在现代各种工业生产中，微机作为机电一体化技术的大脑，取代了常规的控制系统。机械结构是其主体和躯干，各种仪器、仪表、传感器是其感官，它们感受各种信号的变化，并反馈到大脑(微机)中，各种执行机构则是它的手足，用以完成生产加工所必需的动作。 一个完整的机电一体化系统，一般包括微机、传感器、动力源、传动系统、执行机构等部分。 机电一体化的实质是在微型计算机为代表的微电子技术、信息技术迅速发展，向机械工业领域迅猛渗透，机械电子技术深度结合的现代工业的基础上，综合应用机械技术、微电子技术、信息技术、自动控制技术、传感测试技术、电力电子技术、接口技术及软件编程技术等群体技术，从系统理论出发，根据系统功能