基于DSP的高可靠舵机控制器设计

电动舵机作为飞行控制系统的安全关键部件,对舵机控制器的精度和动态性能等方面有很高的要求。针对上述要求,设计并实现了一种采用数字信号处理器(DSP)为控制核心的控制电路、驱动电路及旋转电涡流传感器等检测电路共同组成的硬件设计方案,控制策略采用电流-速度-位置三闭环控制结构,其中位置环采用了位置反馈+前馈补偿的复合控制算法。实验测试表明,系统无超调量和静态误差,表明系统具有很好的稳态和动态性能,控制精度高。

Design of High Reliable Steering Gear Controller Based on DSP

As the key part of the flight control system,electric steering gear has high requirements on the precision and dynamic performance of the steering gear controller.According to the above requirements,a control scheme was designed,it included control circuit,drive circuit and rotating eddy current sensor detection circuit,which was based on DSP,the control strategy adopted the current position-speed-three closed loop control structure,the position loop adopted the compound control of position feedback plus feedforward compensation algorithm.The experimental results show that the system has no overshoot and static error,and the control precision is high.