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    • 1. 发明授权
    • Method for calibrating a scale factor in an axisymmetrical vibrating gyrometer
    • 用于校准轴对称振动陀螺仪中的比例因子的方法
    • US08210023B2
    • 2012-07-03
    • US12520335
    • 2007-12-12
    • Alain JeanroyAlain RenaultJean-Michel Caron
    • Alain JeanroyAlain RenaultJean-Michel Caron
    • G01P21/00
    • G01C19/567G01C25/005
    • The method of calibrating a scale factor of an axially-symmetrical vibrating rate gyro operating by applying an amplitude control signal (CA) and a precession control signal (CP) to a vibrator member (1) set into vibration at a given frequency comprises a pre-calibration step consisting in calculating a reference gain ratio between a drive gain (Gmx) in a first direction and a drive gain (Gmy) in a second direction in modal quadrature with the first direction, and in storing the reference gain ratio, and a calibration step consisting in calculating a value for a measurable magnitude associated with the scale factor by a proportionality relationship including the reference gain ratio, and calculating a corrected scale factor on the basis of the value of the measurable magnitude and the stored reference gain ratio.
    • 通过将振幅控制信号(CA)和进动控制信号(CP)施加到以给定频率设定为振动的振动器构件(1)来操作的校准轴向对称振动速率陀螺仪的​​比例因子的方法包括: - 校准步骤,包括计算在第一方向上的驱动增益(Gmx)与第一方向的模态正交中的驱动增益(Gmy)与第二方向的驱动增益(Gmy))之间的参考增益比,以及存储参考增益比,以及 校准步骤包括通过包括参考增益比的比例关系计算与比例因子相关联的可测量幅度的值,并且基于可测量幅度和存储的参考增益比的值来计算校正的比例因子。
    • 2. 发明申请
    • METHOD FOR CALIBRATING A SCALE FACTOR IN AN AXISYMMETRICAL VIBRATING GYROMETER
    • 用于在轴对称振动陀螺仪中校准尺度因子的方法
    • US20100058831A1
    • 2010-03-11
    • US12520335
    • 2007-12-12
    • Alain JeanroyAlain RenaultJean-Michel Caron
    • Alain JeanroyAlain RenaultJean-Michel Caron
    • G01V13/00
    • G01C19/567G01C25/005
    • The method of calibrating a scale factor of an axially-symmetrical vibrating rate gyro operating by applying an amplitude control signal (CA) and a precession control signal (CP) to a vibrator member (1) set into vibration at a given frequency comprises a pre-calibration step consisting in calculating a reference gain ratio between a drive gain (Gmx) in a first direction and a drive gain (Gmy) in a second direction in modal quadrature with the first direction, and in storing the reference gain ratio, and a calibration step consisting in calculating a value for a measurable magnitude associated with the scale factor by a proportionality relationship including the reference gain ratio, and calculating a corrected scale factor on the basis of the value of the measurable magnitude and the stored reference gain ratio.
    • 通过将振幅控制信号(CA)和进动控制信号(CP)施加到以给定频率设定为振动的振动器构件(1)来操作的校准轴向对称振动速率陀螺仪的​​比例因子的方法包括: - 校准步骤,包括计算在第一方向上的驱动增益(Gmx)与第一方向的模态正交中的驱动增益(Gmy)与第二方向的驱动增益(Gmy))之间的参考增益比,以及存储参考增益比,以及 校准步骤包括通过包括参考增益比的比例关系计算与比例因子相关联的可测量幅度的值,并且基于可测量幅度和存储的参考增益比的值来计算校正的比例因子。
    • 7. 发明申请
    • VIBRATING GYROSCOPE AND CORRESPONDING MANUFACTURING PROCESS
    • 振动胶体和相应的制造工艺
    • US20130269433A1
    • 2013-10-17
    • US13996428
    • 2011-10-27
    • Alain Jeanroy
    • Alain Jeanroy
    • G01C19/56G01C25/00
    • G01C19/56G01C19/5691G01C25/00G01C25/005Y10T29/42
    • The invention relates to a vibrating gyroscope (1), characterised in that it comprises a base (2), a resonator (3) comprising a body (4) of generally cylindrical shape terminating in a distal face (5), to the side opposite the base (2), said face (5) comprising at least one through hole (13), a plurality of piezoelectric elements (10) placed in contact with the resonator (3), vibration control and processing modules (18) arranged at least in part on the base (2), and at least one electrical connection (15) passing through the body (4) of the resonator (3) via said hole (13), and electrically connecting said modules (18) of the base (2) and the plurality of piezoelectric elements (10) for controlling and measuring the vibration of the resonator (3).
    • 本发明涉及一种振动陀螺仪(1),其特征在于,它包括一个基座(2),一个谐振器(3),其包括终端于远端面(5)的大致圆柱形的主体(4) 所述基座(2),所述面(5)包括至少一个通孔(13),与谐振器(3)接触放置的多个压电元件(10),至少布置的振动控制和处理模块(18) 部分地在所述基座(2)上,以及至少一个电连接(15),所述至少一个电连接(15)经由所述孔(13)穿过所述谐振器(3)的主体(4),并且电连接所述基座的所述模块(18) 2)和用于控制和测量谐振器(3)的振动的多个压电元件(10)。
    • 9. 发明授权
    • Vibrating gyroscope and treatment process
    • 振动陀螺仪及处理工艺
    • US08991249B2
    • 2015-03-31
    • US13478086
    • 2012-05-22
    • Alain Jeanroy
    • Alain Jeanroy
    • G01C19/56G01C19/5691
    • G01C19/5691
    • A vibrating gyroscope has a base and a resonator. The resonator includes a body of generally cylindrical shape terminating in a face. The resonator is capable of vibrating according to a first vibration mode having antinodes distributed on n axes, and a second vibration mode having antinodes distributed on n other axes. The face of the resonator has two piezoelectric assemblies on each axis of the first and of the second vibration modes. Each piezoelectric assembly has at least one piezoelectric element capable of exciting the resonator in vibration and at least one piezoelectric element capable of detecting vibrations of the resonator at the same time.
    • 振动陀螺仪具有基座和谐振器。 谐振器包括终止于面部的大致圆柱形的主体。 谐振器能够根据在n轴上分布有波腹的第一振动模式进行振动,以及具有分布在n个其它轴上的波腹的第二振动模式。 谐振器的表面在第一和第二振动模式的每个轴上具有两个压电组件。 每个压电组件具有能够振动谐振器的至少一个压电元件和能够同时检测谐振器的振动的至少一个压电元件。