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    • 5. 发明授权
    • Vibratory rotation sensor with whole-angle tracking
    • 具有全角度跟踪的振动旋转传感器
    • US5801310A
    • 1998-09-01
    • US802009
    • 1997-02-18
    • Anthony MatthewsGuy Thomas VartyChung-Ming LiDavid Dexter Lynch
    • Anthony MatthewsGuy Thomas VartyChung-Ming LiDavid Dexter Lynch
    • G01P3/44G01B7/30G01C19/5691G01D5/243G01C19/00
    • G01C19/5691
    • The invention is a vibratory rotation sensor comprising a resonator and a housing to which the resonator is attached and a method for reading out the standing-wave orientation angle utilizing a tracking angle which is maintained equal to the orientation angle on average. The resonator is a rotationally-symmetric thin-walled object that can be made to vibrate in a plurality of standing-wave modes. The method includes applying driving voltages to housing electrodes and determining the orientation of a standing wave by performing operations on the resonator signal that arrives at a single resonator output port from one or more electrodes in close proximity to the housing electrodes. A driving voltage may include either a pair of excitation voltages or a forcing voltage or both. An excitation voltage has essentially no effect on the resonator dynamics but carries information pertaining to the tracking angle and the standing-wave parameters when it arrives at the resonator output port. A forcing voltage causes forces to be applied to the resonator and thereby affects the dynamics of the resonator and the standing-wave parameters. The driving voltages applied to the housing electrodes are brought together into a single resonator signal as a result of being transmitted through the housing-electrode-resonator-electrode capacitances to the resonator output port. In order to extract the standing-wave orientation angle, the excitation and forcing voltages are designed to be separable by appropriate operations performed on the resonator signal.
    • 本发明是一种振动旋转传感器,其包括共振器和壳体,谐振器附接到该壳体,以及利用维持等于取向角平均的跟踪角度来读出驻波取向角的方法。 谐振器是可以使多个驻波模式振动的旋转对称薄壁物体。 该方法包括:将驱动电压施加到外壳电极,并通过对从壳体电极附近的一个或多个电极到达单个谐振器输出端口的谐振器信号进行操作来确定驻波的取向。 驱动电压可以包括一对激励电压或强制电压或二者。 激励电压对谐振器动力学基本上没有影响,但是当它到达谐振器输出端口时,传送有关跟踪角度和驻波参数的信息。 强制电压会使力施加到谐振器,从而影响谐振器的动力学和驻波参数。 作为通过壳体 - 电极 - 谐振器 - 电极电容传输到谐振器输出端口的结果,施加到壳体电极的驱动电压被合并成单个谐振器信号。 为了提取驻波取向角,激励和强制电压被设计为可以通过对谐振器信号执行的适当的操作来分离。