基于加速度传感器的车祸报警与定位系统的设计与实现

发布时间：2018-04-13 16:22

本文选题：加速度传感器 + GPS全球定位系统　；参考：《北京工业大学》2014年硕士论文

【摘要】：在汽车工业高速发展的现代，汽车已成为了人们现在出行主要的交通工具之一，但是因交通事故的伤亡数量也十分巨大。汽车作为人类文明的标志，彻底改变了人类发展的历史进程，给人类以舒适和便捷等正面效应的同时也给人类生活带来一些负面效应，并造成了大量的生命和财产损失。而发生车祸时，，如果司机发生昏迷而且发生车祸的路段又没有车辆或行人经过，司机就不能得到及时的救治。虽然目前国内外已经在应用多种车祸报警系统，但是大多产品需要安装在汽车上且价格昂贵，而利用手机实现车祸自动报警的系统具有广阔的市场前景。该系统正是基于以上情况开发出的一套基于Android系统的加速度传感器的车祸报警与定位系统。本文充分研究了加速度传感器，以及GPS（Global PositionSystem）导航系统和GSM（Global System for Mobile Communication）无线通信技术的工作原理，从碰撞速度与时间的关系上推出根据加速度来判断车祸发生的可能性，从项目背景和研究意义出发，利用LocationManager实现了加速度的实时判定、经纬度的实时显示及通过Java Me的定时器在30s内自动发送信息等功能，在发生交通事故时可以达到快速求助救援的目的。该系统可以在手机上独立使用，方便卸载和安装，费用也较低廉，自动发送报警短信，信息全面精确，最大可能地减少误报，提高救援效率，弥补了手机移动终端在车祸报警领域的空缺，这是该系统的最大优势。最后，通过测试指出了系统需要改进的问题。
[Abstract]:With the rapid development of automobile industry, automobile has become one of the main means of transportation, but the number of casualties due to traffic accidents is very large.As the symbol of human civilization, automobile has completely changed the historical process of human development, and has brought some negative effects to human life, and caused a great deal of loss of life and property, while bringing about positive effects such as comfort and convenience.In the event of an accident, if the driver is unconscious and no vehicles or pedestrians pass through the road where the accident occurs, the driver will not be able to get timely treatment.Although a variety of car accident alarm systems have been used at home and abroad, most of the products need to be installed on the vehicle and the price is expensive.The system is based on the above development of the Android system based on the acceleration sensor car accident alarm and positioning system.In this paper, the working principle of acceleration sensor, GPS(Global position system navigation system and GSM(Global System for Mobile communication technology is fully studied, and the possibility of judging the occurrence of traffic accident according to acceleration is deduced from the relation between collision velocity and time.Based on the background of the project and the significance of the research, the functions of determining the acceleration in real time, displaying the latitude and longitude in real time and sending information automatically through the timer of Java me in 30s are realized by using LocationManager.In the event of a traffic accident can achieve the purpose of quick help to rescue.The system can be used independently on the mobile phone, easy to uninstall and install, and the cost is low. The system can send alarm messages automatically, and the information is comprehensive and accurate. The system can reduce false positives as far as possible and improve the rescue efficiency.Make up the mobile phone mobile terminal in the field of car accident alarm gap, this is the biggest advantage of the system.Finally, the problems that need to be improved are pointed out through the test.
【学位授予单位】：北京工业大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：U463.6;U495;TP212

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