INERTIAL SENSING DEVICE
    11.
    发明申请
    INERTIAL SENSING DEVICE 审中-公开
    惯性传感装置

    公开(公告)号:US20140041453A1

    公开(公告)日:2014-02-13

    申请号:US13610491

    申请日:2012-09-11

    CPC classification number: G01P21/00 G01C19/5705 G01P15/125

    Abstract: An inertial sensing device is provided. The inertial device includes a mass proof, a sensing electrode layer to sense the motion of the mass proof, and a spring coupled and to support the mass proof. Wherein, the single-material mass proof can perform multi degree-of freedom inertial sensing.

    Abstract translation: 提供惯性感测装置。 惯性装置包括质量保证,用于感测质量保证的运动的感测电极层,以及联接并支撑质量证明的弹簧。 其中单体质量证明可以进行多自由度惯性感测。

    Signal processing system for inertial sensor
    12.
    发明授权
    Signal processing system for inertial sensor 有权
    惯性传感器信号处理系统

    公开(公告)号:US06324909B1

    公开(公告)日:2001-12-04

    申请号:US09431311

    申请日:1999-11-02

    CPC classification number: G01C19/5705 G01C19/5776

    Abstract: A dithered Coriolis acceleration sensor system has a proof mass that is free of feedback in the accelerometer servo loop at the dither frequency by totally notching out all feedback torque at this frequency. The proof mass relative motion is then a direct measure of the rate because there is no feedback torque to alter the proof mass response to the acceleration. The feedback modulation system according to the invention captures the Coriolis-sensor output such that the phase and gain of the signal generated from the sensor are of no concern in maintaining good scale factor.

    Abstract translation: 抖动的科里奥利加速度传感器系统具有通过在该频率下完全切断所有反馈转矩,以抖动频率在加速度计伺服回路中无反馈的证明质量。 因此,质量相对运动的质量是直接测量速率,因为没有反馈转矩来改变对加速度的质量响应。 根据本发明的反馈调制系统捕获科里奥利传感器输出,使得从传感器产生的信号的相位和增益在保持良好的比例因子方面是不必要的。

    Rotation measurement system using Coriolis and Euler forces

    公开(公告)号:US11796318B2

    公开(公告)日:2023-10-24

    申请号:US17405476

    申请日:2021-08-18

    Inventor: Daniel Endean

    CPC classification number: G01C19/5705 G01C21/18

    Abstract: A rotation measurement system that includes at least two proof masses and at least one pick-off is provided. Each proof mass is driven in a first axis of motion. The at least one pick-off is configured to measure movement of the at least two proof masses in a second axis when the system is rotated about a rotation point and generate Coriolis signals and Euler signals based on the measured movement of the at least two proof masses.

    Vibrator device, electronic apparatus, and vehicle

    公开(公告)号:US11650054B2

    公开(公告)日:2023-05-16

    申请号:US17679272

    申请日:2022-02-24

    CPC classification number: G01C19/5705

    Abstract: Provided is a vibrator device including a vibrator structure body. When the A axis, the B axis, and the C axis are three axes orthogonal to each other, the vibrator structure body includes a vibrator element and a support substrate that is aligned with the vibrator element along the C axis. The vibrator element includes vibrating arms configured to flexurally vibrate along a plane parallel to the A axis and the B axis and along the A axis. The support substrate includes a base that supports the vibrator element, a support that supports the base, and a beam that couples the base and the support. A relationship f0

    Rotation Rate Sensor and Method
    15.
    发明申请

    公开(公告)号:US20180128614A1

    公开(公告)日:2018-05-10

    申请号:US15568766

    申请日:2016-03-10

    CPC classification number: G01C19/5705 G01C19/574

    Abstract: A rotation rate sensor includes a first rotationally suspended mass that exhibits a first axis of rotation. The first mass includes a first rotation-rate-measuring element that captures a first rate of rotation about the first axis of rotation and that outputs the first rate of rotation in a first signal. The sensor further includes a second rotationally suspended mass that exhibits a second axis of rotation and is arranged parallel to the first axis of rotation. The second mass includes a second rotation-rate-measuring element that captures a second rate of rotation about the second axis of rotation and that outputs the second rate of rotation in a second signal. The sensor further includes a propulsion device that propels the first and second mass and an evaluating device that outputs a difference of the signals as a third rate of rotation to be measured.

    High bandwidth Coriolis vibratory gyroscope (CVG) with in-situ bias self-calibration
    17.
    发明授权
    High bandwidth Coriolis vibratory gyroscope (CVG) with in-situ bias self-calibration 有权
    高带宽科里奥利振动陀螺仪(CVG),具有原位偏置自校准功能

    公开(公告)号:US09534897B2

    公开(公告)日:2017-01-03

    申请号:US14594978

    申请日:2015-01-12

    Inventor: John Y. Liu

    CPC classification number: G01C19/5705 G01C19/5719 G01C19/5726 G01C19/5776

    Abstract: Provided herein is a method for determining a bias-compensated inertial rotation rate of a Coriolis vibratory gyroscope (“CVG”). The method comprises determining an initial mode that the CVG is operating; obtaining average uncompensated inertial rotation rate measurements from a previous mode transition period; obtaining average uncompensated bias measurements from the previous mode transition period; determining a first transition between a AGC mode and a FTR mode of a given axis; calculating a first estimate of bias of the CVG based on the first transition that was determined and the average uncompensated bias measurements from the previous mode transition period; and calculating, by a processor, a first bias-compensated inertial rotation rate of the CVG based on the first bias that was calculated and the average uncompensated inertial rotation rate measurements from a previous mode transition period.

    Abstract translation: 本文提供了一种用于确定科里奥利振动陀螺仪(“CVG”)的偏置补偿惯性旋转速率的方法。 该方法包括确定CVG正在运行的初始模式; 从先前的模式转换周期获得平均未补偿的惯性旋转速率测量; 从先前的模式转换期获得平均未补偿的偏差测量值; 确定给定轴的AGC模式和FTR模式之间的第一转换; 基于所确定的第一跃迁和来自先前模式转换周期的平均未补偿偏差测量值来计算CVG的偏置的第一估计; 以及由处理器基于所计算的第一偏置和来自先前模式转换周期的平均未补偿惯性旋转速率测量值来计算CVG的第一偏置补偿惯性旋转速率。

    APPROACH FOR CONTROL REDISTRIBUTION OF CORIOLIS VIBRATORY GYROSCOPE (CVG) FOR PERFORMANCE IMPROVEMENT
    18.
    发明申请
    APPROACH FOR CONTROL REDISTRIBUTION OF CORIOLIS VIBRATORY GYROSCOPE (CVG) FOR PERFORMANCE IMPROVEMENT 有权
    用于控制重新分配CORIOLIS振动陀螺仪(CVG)的方法进行性能改进

    公开(公告)号:US20160202059A1

    公开(公告)日:2016-07-14

    申请号:US14594893

    申请日:2015-01-12

    Inventor: John Y. Liu

    Abstract: Provided herein is a Coriolis vibratory gyroscope (“CVG”). The CVG includes a first plurality of actuators electrically coupled to the vibratory member and arranged about a drive axis of the CVG and operable to obtain a control signal from the controller and provide a voltage sufficient to cause and maintain the vibratory member to vibrate in a first mode of oscillation; a second plurality of actuators electrically coupled to the vibratory member and arranged about a sense axis of the CVG and operable to detect a voltage based on a second mode of oscillation of the vibratory member caused by a rotation of the CVG about an axis of rotation and to provide a counter-balancing signal sufficient to null the voltage based on the second mode of oscillation, wherein the controller is operable to determine a rate of the rotation of the CVG based, in part, on the counter-balancing signal.

    Abstract translation: 本文提供科里奥利振动陀螺仪(“CVG”)。 CVG包括电耦合到振动构件并围绕CVG的驱动轴布置的第一多个致动器,并且可操作以从控制器获得控制信号,并且提供足以引起和保持振动构件在第一 振荡模式; 第二多个致动器,其电耦合到所述振动构件并围绕所述CVG的感测轴线布置,并且可操作以基于所述CVG围绕旋转轴线的旋转而由所述振动构件的第二振荡模式检测电压;以及 以提供足以使基于第二振荡模式的电压为零的平衡信号,其中控制器可操作以部分地基于反平衡信号来确定CVG的旋转速率。

    COMPLIANT STRUCTURES WITH TIME-VARYING MOMENT OF INERTIA
    20.
    发明申请
    COMPLIANT STRUCTURES WITH TIME-VARYING MOMENT OF INERTIA 有权
    具有时变变化的合成结构

    公开(公告)号:US20140208848A1

    公开(公告)日:2014-07-31

    申请号:US14008756

    申请日:2012-04-01

    CPC classification number: G01C19/5705 B81B3/0048 G01C19/06

    Abstract: A rotation sensor system is presented. The system comprises a rotating frame configured to be mounted on a gimbal and adapted for controllable rocking motion about a predetermined axis of said frame, and a proof mass assembly mounted on said rotating frame. The proof mass assembly comprises one or more proof mass elements each mounted for controllable movement with respect to the predetermined axis along a certain path, a distance of each proof mass element from said axis corresponding to a direction of the rocking motion of said frame, thereby affecting a moment of inertia of said rotating frame.

    Abstract translation: 提出了旋转传感器系统。 该系统包括旋转框架,该旋转框架被配置为安装在万向架上并且适于围绕所述框架的预定轴线的可控摆动运动,以及安装在所述旋转框架上的检测质量组件。 证明质量组件包括一个或多个证明质量元件,每个证明质量元件被安装用于沿着特定路径相对于预定轴线可控地移动,每个证明质量元件与所述轴线的距离对应于所述框架的摇摆运动的方向,从而 影响所述旋转框架的惯性矩。

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