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36 条记录 (耗时 0.016 秒)

    Magnetic-fluid momentum sphere
    1.
    发明授权
    Magnetic-fluid momentum sphere 有权

    公开(公告)号：US10597172B2

    公开(公告)日：2020-03-24

    申请号：US15760540

    申请日：2016-07-18

    申请人： TSINGHUA UNIVERSITY ,  BEIJING U-PRECISION TECH CO., LTD.

    发明人： Yu Zhu ,  Anlin Chen ,  Ming Zhang ,  Kaiming Yang ,  Rong Cheng

    IPC分类号： G01C19/30 ,  G01C19/46 ,  B64G1/28 ,  H02K16/04 ,  H02K41/03 ,  H02K16/00 ,  G01C19/24 ,  H02K5/128

    摘要： Disclosed is a magnetic-fluid momentum sphere, which is used for satellite attitude adjustment. The magnetic-fluid momentum sphere comprises stators and a spherical shell. The stators are classified into three groups, axes of the three groups of stators are orthogonal to each other, each group comprises two stators arranged symmetrically about the center of the spherical shell, and the inner surfaces of the stators are spherical surfaces. The spherical shell is formed by combining two hemispherical shells, the material of the spherical shell is a non-ferromagnetic material, the inner surfaces of the stators closely adhere to the outer surface of the spherical shell, there is no relative movement between the spherical shell and the inner surfaces of the stators, and the spherical shell is filled with magnetic fluid. The magnetic-fluid momentum sphere achieves a small size and mass, low costs, and small coupling among the axes.

    Electrostatic pickoff system for ball gyros of the electrostatic levitation type
    3.
    发明授权
    Electrostatic pickoff system for ball gyros of the electrostatic levitation type 失效
    静电悬浮式球陀螺静电传感系统

    公开(公告)号：US4074580A

    公开(公告)日：1978-02-21

    申请号：US642502

    申请日：1975-12-19

    申请人： Joseph C. Boltinghouse ,  James L. Atkinson

    发明人： Joseph C. Boltinghouse ,  James L. Atkinson

    IPC分类号： G01C19/28 ,  G01C19/30 ,  G01C19/46

    CPC分类号： G01C19/28 ,  Y10T74/1232 ,  Y10T74/1275

    摘要： The invention is directed to an electrostatically supported ball type gyroscope pickoff system for determining the attitude (i.e., angular orientation) of the ball spin axis relative to the gyroscope case for any arbitrary attitude. The gyroscope case is provided with a set of electrostatic electrodes arrayed in three-dimensional space. A levitating electric field is maintained between the ball and the electrodes. The ball is so constructed as to be unbalanced about its spin axis. Under such conditions, as the ball spins, it orbits, and its surface alternately advances towards and recedes from any given electrode at the spin frequency, producing a field modulation signal. The phase pattern of the modulation signals at the several electrodes is a unique function of the attitude of the spin axis relative to the electrodes. Means are provided for processing the modulation signals so as to determine the attitude of the ball.

    摘要翻译： 本发明涉及一种静电支撑球型陀螺仪拾取系统，用于以任意姿态确定球旋转轴相对陀螺仪外壳的姿态（即，角取向）。 陀螺仪外壳设有一组以三维空间排列的静电电极。 在球和电极之间保持悬浮电场。 球被构造成对其旋转轴线不平衡。 在这种条件下，当球旋转时，其轨道运动，并且其表面以自旋频率交替地向任何给定电极前进并后退，产生场调制信号。 在几个电极处的调制信号的相位图形是自旋轴相对于电极的姿态的独特功能。 提供了用于处理调制信号以便确定球的姿态的装置。

    Gyroscope precessing apparatus
    4.
    发明授权
    Gyroscope precessing apparatus 失效
    GYROSCOPE PRECESSING APPARATUS

    公开(公告)号：US3763709A

    公开(公告)日：1973-10-09

    申请号：US3763709D

    申请日：1972-02-07

    申请人： SECR DEFENCE

    发明人： EYNON G ,  SHOESMITH T ,  STANDEN D

    IPC分类号： G01C19/00 ,  G01C19/02 ,  G01C19/46

    CPC分类号： G01C19/025 ,  G01C19/00 ,  Y10T74/1254

    摘要： Gyroscope precessing apparatus having a gyroscope mounted external to a gimbal system has gyroscope precessing forces applied to structure adjacent to a combined centre of inertia of the gyroscope and centre of rotation of the gimbal system. The forces are applied through a system of levers actuated by force motors, such as solenoids, capable of applying large forces. The geometry is such that precession of the gyroscope over its full range requires only small relative movements between parts of the force motors.

    摘要翻译： 具有安装在万向节系统外部的陀螺仪的陀螺仪进给装置具有施加到与陀螺仪的组合惯性中心和万向节系统的旋转中心相邻的结构的陀螺仪进动力。 力通过由能够施加大力的电动机（例如螺线管）致动的杠杆系统施加。 几何形状使得陀螺仪在其全范围内的进动仅需要力马达的部件之间的小的相对运动。

    Fluid pendulum arrangement for implementing fast erection of vertical gyroscopes
    6.
    发明授权
    Fluid pendulum arrangement for implementing fast erection of vertical gyroscopes 失效
    用于实现垂直陀螺仪的快速架设的液体摆锤布置

    公开(公告)号：US5425281A

    公开(公告)日：1995-06-20

    申请号：US568107

    申请日：1990-08-16

    申请人： Shawn D. McFall

    发明人： Shawn D. McFall

    IPC分类号： G01C19/46

    CPC分类号： G01C19/46 ,  Y10T74/1243

    摘要： A fluid pendulum arrangement is used for implementing fast initial erection of vertical gyros by maintaining the gyro wheel spin axis near vertical during the gyro "power-off" mode of operation. Fluid is contained in a lower fluid chamber section which is disposed below the rotational axes of the gyro inner and outer gimbals. The mass of the fluid in cooperation with the fluid chamber moment arm results in a gyro wheel pendulosity that is greater than the combined gyro component friction torques. Upon the "power-on" or gyro wheel spin up mode of operation, the fluid tends to migrate from the lower section of the chamber to an upper section thereof which is arranged relative to the gimbal rotational axes so that gyro wheel pendulosity is negligible. In one embodiment of the invention, the fluid chamber is an external "add-on" feature to the gyro wheel rotor and in another embodiment, the fluid chamber is integral with said rotor.

    摘要翻译： 通过在陀螺仪“断电”运行模式期间将陀螺仪陀螺轮旋转轴保持在垂直方向，采用液体摆式装置来实现垂直陀螺仪的快速初始架设。 流体容纳在下部流体室部分中，该下部流体室部分设置在陀螺仪内部和外部万向节的旋转轴线的下方。 与流体室力矩臂协调的流体质量导致比组合的陀螺仪部件摩擦转矩大的陀螺轮圆珠笔。 在“上电”或陀螺轮旋转操作模式下，流体倾向于从腔室的下部迁移到相对于万向旋转轴线布置的上部，使得陀螺轮的倒圆度可忽略。 在本发明的一个实施例中，流体室是陀螺轮转子的外部“附加”特征，在另一个实施例中，流体室与所述转子是一体的。