本科论文设计-基于单片机测距智能车设计与实现.doc

PAGE \* MERGEFORMAT IV基于单片机测距智能车设计与实现摘 要随着社会科技的发展，为了不断满足人们的日常工作需求，越来越多的测距方式涌现出来：激光测距仪，声波测距仪，光电测距仪，微波雷达测距仪等等。超声波测距具有操作简单且成本低廉，测量误差小，特别适用于低成本的超声波测距智能车的应用。51单片机超声波测距系统的设计目的是为了在如今社会通过使用电子类测距仪达到一个更为精确误差更小操作更为简便,使测距仪达到一个最佳的性能。本论文概述了超声波的发展史和设计的基本原理，实现了一种基于51单片机的单脉冲反射式超声波测距系统智能车,该测距智能小车系统利用超声波在空气中传播的速度与时间为实验原理,搭载在51单片机为主板的智能小车上运行,利用超声波的反射原理来得出待测距离,从而实现他的具体功能.本次试验充分的体现了超声波系统的测距原理，表述了超声波测距的理论和基础。在实验设计上达到了应有的难度,电子类测量仪应用到的范围为0.10到0.50m,精度达到了1cm以内，并对超声波测距系统的主要数据进行了一系列的讨论。本系统的电路设计与采用51单片机进行操控,其易操作的特性对实验起到了关键性的作用。在硬件单路上运用单片机的基本知识与实物的结合完成焊接。关键词：51单片机，超声波，声波的反射，智能小车大连东软信息学院毕业设计（论文） AbstractRanging Microcontroller Based Design And Implementation Of IntelligentVehicleAbstractWith the development of social science and technology , in order to continue to meet the daily needs of people working more and more ways ranging emerged : a laser range finder, sonic range finder, optical rangefinders , microwave radar range finder and more. Ultrasonic Ranging simple operation and low cost, the measurement error is small , especially for low-cost ultrasonic ranging intelligent vehicle applications. Designed 51 single ultrasonic ranging system for use in todays society through electronic range finder to reach a more precise error is smaller operations easier, so rangefinder to achieve an optimal performance.This paper provides an overview of the history of the development of the basic principles of ultrasound and designed to achieve a single chip based on 51 single-pulse echo ultrasonic ranging system smart car , smart car system uses the ranging ultrasonic propagation in air speed and time principle , equipped with 51 single-chip motherboard smart small car running , using the reflection principle of ultrasonic distance to come to be tested , in order to achieve his specific function. this trial fully embodies the principle of ultrasonic ranging system , expressed the ultrasonic ranging theory and foundation. In experiments designed to achieve the pr