这是一篇外国大神做的无人直升机的设计，包含各个实物环节的设计与调试，内容完整，值得借鉴-This is a foreign God do unmanned helicopter design, contains various physical aspects of the design and debugging, complete, worth learning

无人驾驶飞行器的系统集成与控制（智能型无人驾驶直升机系统的设计和集成）项目\虚拟光驱\虚拟光驱-The system of unmanned aerial vehicles (integrated with control and integrated design of intelligent unmanned helicopter system) project \ \ virtual virtual CD-ROM CD-ROM