信号检测综合训练说 明 书题目:振动信号检测系统设计学院:电气工程与信息工程学院班级:电子信息科学与技术(2)班姓名:江 *学号:********指导老师:***2014 年 12 月 04 日摘 要振动从形式上看,有的是来回摆动,有的是往复直线运动,有的是旋转运动 等,种类很多,形式不一,但它们都有一个共同的特点,即物体在运动过程中总 是在它自己的平衡位置附近,一次又一次地重复地运动着。因此,我们把物体在 其平衡位置附近所做的往复性的运动称为振动。研究振动的目的是为了了解各种 机械振动的现象的机理,破译机械振动所包含的大量信息,进而对设备的状态进 行监测,分析设备的潜在可能故障。本课题主要选用位移传感器结合微分电路测 得最大位移,最大速度,最大加速度,并且利用 LCD 显示振动信号。本论文首先 介绍了振动检测的原理;其次介绍了整体系统的设计和各模块方案的比较,选择; 接着介绍了各部分电路的设计及原理;再者介绍了软件设计流程并附上了程序代 码;最后论述了系统的调试过程。关键词:单片机;振动;加速度;检测目 录摘 要 ·········································································· 21 前 言 ·········································································· 42 振动检测原理················································ 52.1 振动分类 ····························································· 52.2 振动检测原理 ······················································ 52.3 振动传感器的分类 ··················································· 53 系统设计 ··············································· 83.1 整体系统设计 ···················································· 83.2 方案设计 ·······...