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    • 7. 发明授权
    • Integrated upsampler and filtering for multi-rate controller for electro-mechanical flight actuation system
    • 用于机电飞行驱动系统的多速率控制器的集成上采样器和滤波器
    • US08653780B2
    • 2014-02-18
    • US12892853
    • 2010-09-28
    • Douglas C. Cameron
    • Douglas C. Cameron
    • G05B6/02
    • G05B6/02B64C19/00G05B11/01G05B2219/41427
    • Presented is a system and method for controlling an actuator in a multirate control system using an integrated upsampler and filter, comprising an incremental command limiter for changing a command from a first control system into a limited incremental command in a second control system, a lead-lag filter for filtering the limited incremental command to attenuate high frequencies, and a feed forward path for reducing phase loss in rate output signal at low frequencies. In embodiments, a command position signal received at the sampling rate of the first control system is interpolated into incremental command position signals at the sampling rate of the second control system. Position error signals and rate error signals from the devices being controlled are used as feedback to further stability the control loops.
    • 提出了一种使用集成的上采样器和滤波器来控制多速率控制系统中的致动器的系统和方法,包括用于在第二控制系统中将命令从第一控制系统改变为有限增量命令的增量命令限制器, 用于滤除限制增量指令以衰减高频的滞后滤波器,以及用于减少低频率速率输出信号的相位损失的前馈路径。 在实施例中,以第一控制系统的采样率接收的命令位置信号以第二控制系统的采样率内插到增量命令位置信号中。 来自受控设备的位置误差信号和速率误差信号被用作反馈以进一步稳定控制回路。