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针对小型无人机航拍系统的功能要求和存在的问题,设计了一种图像和GPS数据采集系统,并给出了系统的结构和工作原理。系统以ARM单片机为核心,采用无线通信方式将串口采集到的数据发送到地面基站,并在上位机上显示。对数据采集、无线发送和上位机编程等关键问题作了分析,并给出了设计方案。实地试验表明,本系统工作稳定,可满足无人机航拍系统的要求。
Aiming at the functional requirements and existing problems of small UAV aerial photography system, an image and GPS data acquisition system is designed and the structure and working principle of the system are given. System to ARM microcontroller as the core, the use of wireless communication will be collected by the serial data sent to the ground station, and the host computer display. The key problems such as data acquisition, wireless transmission and PC programming are analyzed and the design scheme is given. Field tests show that the system is stable and can meet the UAV aerial photography system requirements.