[1]王琦,梁铎耀,孙竹梅,等.大型运输车超声波雷达防碰撞系统开发[J].工业仪表与自动化装置,2018,(06):57-61.[doi:1000-0682（2018）06-0000-00]
　WANG Qi,LIANG Duoyao,SUN Zhumei,et al.Development of ultrasonic radar anti-collision system for large transport vehicles[J].Industrial Instrumentation & Automation,2018,(06):57-61.[doi:1000-0682（2018）06-0000-00]
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大型运输车超声波雷达防碰撞系统开发

《工业仪表与自动化装置》[ISSN:1000-0682/CN:61-1121/TH]

Title:: Development of ultrasonic radar anti-collision system for large transport vehicles

Author(s):: WANG Qi1; LIANG Duoyao2; SUN Zhumei1; WU Bin1; 1. Shanxi university automation department, Taiyuan 030013, China；
2. Taiyuan foreign language school, Taiyuan 030037, China

Keywords:: ultrasonic radar; anti-collision system; ranging; temperature compensation; voice broadcast; STC89C52 MCU

摘要:: 大型运输车由于体积庞大，有较大的视野盲区，运行中常发生剐蹭事件。为了辅助驾驶员行驶及泊车，设计了一种超声波雷达防碰撞系统。采用STC89C52单片机作为系统的控制器，将6个超声波测距模块HC-SR04布置于车体的四周，通过超声波测距功能探测障碍物，帮助驾驶员准确定位，避免碰撞事故。为了提高测距精度，采用DS18B20数字化温度传感器测取环境温度，补偿超声波传播速度受温度变化的影响。采用液晶显示器显示测距，使用语音播报模块ISD1700播报实测距离，当距离小于设定的安全距离时，使用蜂鸣器提示驾驶员制动。实验

Abstract:: Due to its large size,large transport vehicles have a large blind area of vision,and scratches occur frequently in operation.In order to assist the driver in driving and parking,an ultrasonic radar anti-collision system is designed.Using STC89C52 MCU as the controller of the system, and six ultrasonic ranging modules HC-SR04 was arranged in the sides of the car.Detecting obstacle by ultrasonic ranging function,help the driver accurate positioning, to avoid collision accident. In order to improve the ranging accuracy,using DS18B20 digital temperature sensor acquisition environment temperature,the compensated ultrasonic velocity is affected by temperature changes.The results of liquid crystal display shows ranging use speech module ISD1700 to broadcast the measured distance, when the distance less than the safe distance of set,using the buzzer hint the driver braking.Experiment proves that the integrated system can determine 3 cm~3.7 m distance parameter,the ranging error less than 1.61%.

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备注/Memo:: 收稿日期：2018-04-25
基金项目：山西大学本科生科研训练项目（2017015410）
作者简介：王琦（1973），女，河北定州人，硕士，副教授，研究方向为测控系统集成与优化。

更新日期/Last Update: 2018-12-15