| 汽车防追尾无线动态测距系统的研究与应用 |
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| 引用本文： | 王晓利.汽车防追尾无线动态测距系统的研究与应用[J].计算机与现代化,2011(10):143-145. |
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| 作者姓名： | 王晓利 |
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| 作者单位： | 宝鸡文理学院电子电气工程系; |
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| 基金项目： | 宝鸡文理学院资助重点项目(ZK0937) |
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| 摘 要： | 为了有效解决汽车行驶中的动态测距问题,讨论汽车动态测距系统的总体设计方案,利用超声波在空气中传播遇障碍物反射原理,以超声波探头为接口部件,AT89S8252单片机为核心,计算超声波在空气中传播的时间,并换算成对应的距离来实现动态测距,通过硬件设计实现自车和邻车之间距离的实时显示和非安全距离的声光报警。经软件编程仿真,结果表明该系统软硬件设计合理、抗干扰能力强、实时性良好、精确度较高。经过系统扩展和升级,以其较高的性价比可在不同的测距场合得到广泛应用。
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| 关 键 词： | AT89S8252 超声波 动态测距 汽车追尾 |
Research and Application of Wireless Dynamic Ranging System for Vehicle Anti-collision |
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| WANG Xiao-li.Research and Application of Wireless Dynamic Ranging System for Vehicle Anti-collision[J].Computer and Modernization,2011(10):143-145. |
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| Authors: | WANG Xiao-li |
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| Affiliation: | WANG Xiao-li(Dept.of Electronics & Electrical Engineering,Baoji College of Arts & Science,Baoji 721007,China) |
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| Abstract: | In order to solve effectively the problem of dynamic distance-measuring on moving vehicle,this paper discusses the general design scheme based on dynamic distance-measuring system for moving vehicle.This paper uses ultrasonic wave propagation reflex obstacles principle in the air,and ultrasonic probe as interface unit,AT89S8252 single-chip microcomputer as core to calculate the ultrasonic transmission time in the air,and convert it to the corresponding distance to realize dynamic ranging.Through hardware de... |
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| Keywords: | AT89S8252 ultrasonic wave dynamics distance-measuring rear-collision |
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