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研究了基于ARM9的近程无人机飞行控制计算机的实现方法,给出系统的总体设计方案,以高性能的ARM9微处理器S3C2440A为核心,着重介绍硬件电路的设计过程,并根据近程无人机的飞行控制模式,讨论操作系统μC/OS-Ⅱ的移植、任务管理等内容,实现μC/OS-Ⅱ体系结构的扩展,构建出μC/OS-Ⅱ的嵌入式实时多任务操作系统RTOS;通过多次的飞行试验验证表明,该飞行控制计算机具有实时性、高精度、多任务、智能化等特点,成为信息战中战场态势感知系统的重要组成部分,同时为近程无人机在民用领域的大力发展提供技术保障。
The implementation method of the flight control computer based on ARM9 is discussed. The overall design of the system is given. With the high performance ARM9 microprocessor S3C2440A as the core, the design process of the hardware circuit is mainly introduced. According to the short range Man-machine flight control mode, discusses the transplantation of μC / OS-Ⅱ operating system, task management and so on, and realizes the expansion of μC / OS-Ⅱ architecture and builds the RTOS of μC / OS- Ⅱ embedded real-time multi-tasking operating system Through many flight tests, it has been proved that the flight control computer has the characteristics of real-time, high precision, multi-task and intelligence. It has become an important part of battlefield situational awareness system in information warfare. At the same time, Civilian areas to provide technical support for the development.