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中文摘要：
根据无人机气动性能与任务设备天线增益的指标要求，文中给出了天线自动收放控制系统的设计与实现，介绍了基于DSP器件TMS320F2812DSP芯片为控制核心的收放系统的硬件组成与软件设计；详细论述了硬件组成中隔离驱动以及外部接口等关键电路设计与实现，提出了电机绕组电流换向、位置控制与速度控制方法，并给出了控制软件流程，解决了天线安装与飞机气动安全的匹配问题；通过无人机飞行搭载实验验证，该系统设计合理，性能稳定可靠，满足了系统指标要求，既保证了天线功率增益，又避免了对飞机的气动性能与飞行安全的影响。
英文摘要：
The article gave the designing and realization of auto-fold and unfolds antenna system based on the pneumatic capability and task equipment antenna plus deviation＇s requirements of UAV （unmanned aerial vehicle）. Then described the sections of hardware and software based on a kind of DSP chip TMS320F2812 as control center, and discussed the designing and realizations of key circuits of separation, driver and connectors in hardware. The measures and flow charts of how to change the directions of electricity current in the loops of motor, and how to control the location of antenna and speed that were explained in software section were given. Through the hitchhiking experimentation of UAV proved the system＇s designing was in reason and its capability was stabilization, and it can achieve the guideline requirements, which ensured the antenna＇s power plus deviation and abstained from the disturbance to UAV＇s pneumatic capability and fly safety.
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