It introduces the software design of the positioning and tracking system designed for four -winged air-craft.Adding the SIM808 module to the four-winged aircraft, it completes the overall hardware design .realizes the acquisition and transmission of the location information and designs the flight control terminal based on the GPS and SMS module .On the Android mobile phone terminal , it develops Android application program for Baidu map SDK, realizes the positioning and trajectory tracking function of the four rotorcrafts on the map .It shows the test results and presents the direction of our research .%为了实现四旋翼飞行器的自定位,首先通过在飞行器上增加外设SIM808模块完成总体的硬件设计;其次在飞行器端利用全球定位系统和短信模块完成了四旋翼无人机位置信息的获取与发送功能;再次在Android手机客户端,利用百度地图SDK搭建Android应用程序,实现了四旋翼飞行器在地图上的定位与轨迹跟踪功能;最后对应用成果进行了展示,并指明了下一步研究的方向.
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