This paper describes the design, uavs hatch control system based on DSP in order to meet the performance requirements of increasing drones. The system through the DSP adjustment of empty PWM control motor speed, using than open loop constant pressure frequency ratio (VVVF) and apace vector PWM(SVPWM) combination of motor drive motor control method, so as to achieve the intelligent control to hatch. System software modular design, through the task scheduler to realize between modules, improve the system software scheduling of stability and performance. After repeated test shows that the system has stable performance and achieve the expected goal.%为了满足无人机日益提高的性能要求,设计出了一种基于DSP的无人机舱门控制系统.本系统通过DSP调节PWM波形占空比来控制电机转速,采用开环恒压频比(VVVF)与空间矢量脉宽调制(SVPWM)相结合的电机驱动控制方法驱动电机,从而达到对舱门的智能控制;系统软件采用模块化设计,通过任务调度程序来实现各个模块之问的调度,提高了系统软件的稳定性和实时性;经过反复测试表明,本系统性能稳定,达到了预期的设计目标.
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