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    • 18. 发明授权
    • Vertical velocity indicator
    • 垂直速度指示器
    • US5396425A
    • 1995-03-07
    • US113377
    • 1993-08-27
    • Christopher J. Carlson
    • Christopher J. Carlson
    • G01C23/00G01P3/62G01C21/00
    • G01P3/62G01C23/00
    • A vertical velocity indicator for aircraft is described which comprises an inlet open to ambient static pressure; a pressure transducer communicating with the inlet for detecting changes in ambient static pressure and providing output signals corresponding to equilibrium with ambient pressure at level flight, a static pressure increase corresponding to rate of descent, and a static pressure decrease corresponding to rate of climb of the aircraft; a pitch gyroscope for detecting pitch of the aircraft and providing a corresponding output signal; a signal processor for the output signals from the pressure transducer and pitch gyroscope and a graphics generator operatively connected to a visual display of aircraft pitch and vertical velocity, the display including an aircraft silhouette defining aircraft pitch, and a color coded background and a preselected plurality of spaced level altitude lines which present preselected intervals of altitude and which move on the background at a rate corresponding to the rate of climb or descent of the aircraft, and a plurality of simulated cloud figures which move on the background with the lines for enhancing realism of the silhouette display and for minimizing reverse motion illusion associated with movement of the lines; and a digital display for presenting the numerical vertical velocity of the aircraft.
    • 描述了用于飞行器的垂直速度指示器,其包括通向环境静压的入口; 与入口通信的压力传感器,用于检测环境静压的变化,并提供对应于水平飞行时的环境压力的平衡的输出信号,对应于下降速率的静压增加和对应于下降速率的静压力降低 飞机; 用于检测飞行器的俯仰并提供对应的输出信号的俯仰陀螺仪; 用于来自压力传感器和俯仰陀螺仪的输出信号的信号处理器和可操作地连接到飞行器俯仰和垂直速度的视觉显示器的图形发生器,该显示器包括限定飞机俯仰的飞行器轮廓,以及彩色编码背景和预选的多个 间隔高度的高度线,其呈现预选的高度间隔,并且以对应于飞机的爬升或下降速率的速率在背景上移动;以及多个模拟云图,其在背景上以用于增强现实主义的线 并且用于使与行的移动相关联的反向运动幻觉最小化; 以及用于呈现飞行器的数值垂直速度的数字显示器。