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    • 10. 发明申请
    • CENTRIPETAL ACCELERATION DETERMINATION, CENTRIPETAL ACCELERATION BASED VELOCITY TRACKING SYSTEM AND METHODS
    • 中心加速度确定,基于加速度的速度跟踪系统及方法
    • US20160216379A1
    • 2016-07-28
    • US15090566
    • 2016-04-04
    • Merlin Technology, Inc.
    • John E. Mercer
    • G01S19/39G01P15/14
    • G01S19/39B64D43/02G01P5/00G01P7/00G01P15/14
    • The flight of an aircraft is characterized in terms of Earth-based reference system data for a first position and a second position of the aircraft that are separated by a time increment. A centripetal acceleration of the aircraft is determined based on the Earth-based reference system data for the positions in conjunction with the time increment. A rate of rotation is established corresponding to the time increment in an aircraft-based reference system. Aircraft airspeed is determined based on the centripetal acceleration and the rate of rotation. A turn can be detected as characterized by a change in track angle from a prior GPS packet compared to a new packet. Aircraft turns can be detected based on a change in track angle in GPS packets. Compensation can be applied to a gyro based on centripetal acceleration such that the gyro more accurately responds to the Earth gravity axis.
    • 飞机的飞行的特征在于基于地面的参考系统数据,用于飞行器的第一位置和第二位置,其被时间增量分开。 基于地面参考系统数据确定飞机的向心加速度,并结合时间增量确定位置。 对应于基于飞机的参考系统中的时间增量来建立旋转速率。 基于向心加速度和旋转速度确定飞机空速。 与新分组相比,可以检测到与来自先前的GPS分组的轨道角度的变化相关的转弯。 可以根据GPS数据包中轨道角度的变化来检测飞机转弯。 可以基于向心加速度对陀螺仪进行补偿,使得陀螺仪更准确地响应于地球重力轴。