基于M56F807的无人机飞控系统设计

针对小型无人机飞控系统在功耗、成本、可靠性以及集成度等方面的较高要求,设计了一种基于Freescale M56F807型DSP和PID控制策略的飞控系统。针对某型号的无人机,详细阐述了系统的设计思想及其基本硬件和软件结构。采用了时域信号的取样积累平均方法,减少了算法的实现难度,提高了采样精度。对硬件设计中的关键技术进行了研究,系统具有设计精炼,可靠性高,开放性好等优点。基于DSP的现代高速数字处理飞控系统,能够赋予无人机更大的机动性、更高的灵活性和更广泛的适用性。

A Flight Control System in UAV Based on M56F807

A flight control system using Freescale M56F807 DSP as processor based on PID is designed,which aims at the demands of power,cost,reliability and integration of the small unmanned aerial vehicle(UAV).The design scheme,hardware and software structure are proposed in detail based on the model of certain type UAV.The difficulty of the algorithm is reduced,and the precision of sampling is improved by using the method of taking a sample and accumulate the average value of the time domain signal.Also the key techniques related to hardware design are investigated.This design is noted for its simple structure,high reliability and good opening.Digital processing flight control system based on DSP can give the UAV greater maneuverability,higher flexibility and more extensive applicability.