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    • 5. 发明授权
    • Gyro apparatus
    • 陀螺仪
    • US4708024A
    • 1987-11-24
    • US871876
    • 1986-06-09
    • Takeshi HojoTakafumi Nakaishi
    • Takeshi HojoTakafumi Nakaishi
    • G01C19/30G01C19/38
    • G01C19/38G01C19/30Y10T74/1254Y10T74/1289
    • A gyro apparatus comprising a gyro casing incorporating therein a gyro the spin axis of which is made substantially horizontal, a supporting apparatus for supporting the gyro casing with a freedom of three axes, a north-seeking apparatus for giving a north-seeking action to the gyro, a follow-up ring having a follow-up shaft which follows the gyro casing around its substantially vertical axis, a binnacle for supporting the follow-up shaft, a servo motor for rotating the follow-up shaft and a slip ring for supplying a power to the gyro and the like through the follow-up shaft, in which the follow-up ring is formed as a fork-shape and supported to the binnacle in a canti-lever fashion, the follow-up shaft is rotatably supported to the binnacle by one thin-type ball bearing having a large diameter and one bearing having a small diameter, the follow-up shaft is fixedly provided with a rotor of a pancake-type servo motor of a direct drive system, a stator of the servo motor is attached to the binnacle at the position corresponding to the rotor and a slip ring is attached to the binnacle at the outer periphery of the servo motor.
    • 一种陀螺仪装置,包括:陀螺仪壳体,其内装有旋转轴,旋转轴的旋转轴线基本上水平;支撑装置,用于支撑具有三轴自由度的陀螺仪套管;用于向 陀螺仪,具有跟随陀螺仪壳体围绕其基本垂直轴线的跟随轴的跟随环,用于支撑跟随轴的后支撑,用于使跟随轴旋转的伺服电动机和用于供应的滑环 通过随动轴对陀螺仪等施加动力,其中随动环形成为叉状,并且以杠杆方式支撑在二进制支架上,随动轴被可旋转地支撑到 通过一个具有大直径的薄型球轴承和一个具有小直径的轴承,所述后跟轴固定地设置有直接驱动系统的煎饼型伺服电动机的转子,伺服的定子 电机连接到t 在与转子相对应的位置处的液压缸和滑环附接到伺服电动机的外周边的立体声。
    • 7. 发明授权
    • Gyro apparatus
    • 陀螺仪
    • US4791727A
    • 1988-12-20
    • US110427
    • 1987-10-20
    • Takeshi HojoTakafumi NakaishiMikio Morohoshi
    • Takeshi HojoTakafumi NakaishiMikio Morohoshi
    • G01C19/38
    • G01C19/38
    • In a gyro apparatus comprising a binnacle, a gyro the spin axis of which is made substantially horizontal, a supporting apparatus for supporting the gyro from the binnacle with a freedom of three axes, a north-seeking apparatus for giving a north-seeking action to the gyro, a follow-up ring following up the gyro around its vertical axis, a servo motor for rotating the follow-up ring by a deviation singal around the vertical axis of teh gyro relative to the follow-up ring and a transmiting apparatus for transmitting an azimuth angle of the spin axis relative to the binnacle to the outside, the gyro apparatus is characterized in that the transmitting apparatus is formed of a digital encoder having a reference angular position transmitting device and a first counter apparatus being made operable by an output signal of the encoder.
    • 在一种陀螺仪装置中,该陀螺装置包括一个陀螺仪,其旋转轴线基本上是水平的陀螺仪,用于以三轴自由的方式支撑陀螺仪的支撑装置,用于向北方寻求动作的寻北装置 陀螺仪,围绕其纵轴跟随陀螺仪的跟随环,用于使跟随环绕相对于跟随环的垂直轴线偏离旋转的伺服电机,以及用于 将旋转轴相对于二进瓶的方位角传递到外部,陀螺仪装置的特征在于,发送装置由数字编码器形成,该数字编码器具有参考角位置发送装置和第一计数器装置, 编码器的信号。
    • 8. 发明授权
    • Antenna directing apparatus
    • 天线导向装置
    • US5517204A
    • 1996-05-14
    • US27224
    • 1993-03-05
    • Takao MurakoshiTakeshi HojoKanshi YamamotoKazuteru SatoKoichi UmenoYoshinori KamiyaKazuya AraiMutumi TakahashiYasuke Kosai
    • Takao MurakoshiTakeshi HojoKanshi YamamotoKazuteru SatoKoichi UmenoYoshinori KamiyaKazuya AraiMutumi TakahashiYasuke Kosai
    • H01Q1/18H01Q3/00
    • H01Q1/18Y10T74/1221
    • An antenna having a central axis is supported on a supporting member which in turn is supported on an azimuth gimbal. The antenna and the supporting member are rotatable around an elevation axis perpendicular to the central axis gimbal is supported on a base and is rotatable around an azimuth axis perpendicular to the elevation axis. A first gyro having an input axis parallel to the elevation axis is secured to the supporting member, and a second gyro having an input axis perpendicular to both the central axis and the elevation angle axis is secured to the supporting member. An accelerometer is provided for outputting a signal representative of an inclination angle of the central axis relative to a horizontal plane. An azimuth transmitter is provided for outputting a signal representative of a rotation angle of the azimuth gimbal around the azimuth axis. The difference between a signal corresponding to the altitude angle of the satellite and the signal of the accelerometer is fed to the torquer of the first gyro, while the output signal of the azimuth transmitter and the signals corresponding to the ship's heading azimuth and a satellite azimuth angle are fed to a torquer of the second gyro to thereby direct the central axis of the antenna to the satellite.
    • 具有中心轴的天线被支撑在支撑构件上,支撑构件又被支撑在方位平衡杆上。 天线和支撑构件可以围绕垂直于中心轴的仰角轴线旋转,万向架被支撑在基座上并且可围绕垂直于仰角的方位角旋转。 具有平行于仰角的输入轴的第一陀螺仪被固定到支撑构件,并且具有垂直于中心轴和仰角轴线的输入轴的第二陀螺仪被固定到支撑构件。 提供加速度计用于输出表示中心轴线相对于水平面的倾斜角度的信号。 提供方位发射器用于输出表示方位角方位角周围的方位角的旋转角度的信号。 对应于卫星的高度角的信号和加速度计的信号之间的差异被馈送到第一陀螺仪的扭矩,而方位角发射机的输出信号和对应于船的航向方位角的信号和卫星方位角 角度被馈送到第二陀螺仪的绞盘,从而将天线的中心轴引导到卫星。
    • 9. 发明授权
    • Vibration-type gyro apparatus for calculating angular velocity
    • 用于计算角速度的振动型陀螺仪
    • US5821420A
    • 1998-10-13
    • US782968
    • 1997-01-14
    • Akihiro ChoTakeshi HojoShigeru NakamuraKazuteru Sato
    • Akihiro ChoTakeshi HojoShigeru NakamuraKazuteru Sato
    • G01P9/04G01C19/56G01P9/00
    • G01C19/5607
    • This invention relates to a vibration-type gyro apparatus for measuring an angular velocity using the Coriolis force exerted on a tuning fork. The tuning fork has two vibrational members symmetric about a Z axis. The two vibrational members vibrate along Z axis and are displaced along a Y axis by the Coriolis force. Each of the two vibrational members includes a cantilevered tabular member arranged along an XZ plane and has a shape symmetric about the center axis thereof. Electrode sections are formed on the two sides of the vibrational members, and electrodes are formed in the internal space of a casing at positions corresponding to the electrode sections. The electrodes are arranged by being deviated outward or inward of the center axis of the vibration members with respect to the electrode sections. Each of the electrodes is supplied with a displacement detection AC voltage and a control voltage from a detection and drive circuit.
    • 本发明涉及使用施加在音叉上的科里奥利力来测量角速度的振动型陀螺设备。 音叉具有关于Z轴对称的两个振动元件。 两个振动构件沿Z轴振动并沿着Y轴移动通过科里奥利力。 两个振动构件中的每一个包括沿着XZ平面布置并且具有围绕其中心轴线对称的形状的悬臂板状构件。 电极部形成在振动部件的两侧,电极形成在与电极部对应的位置的壳体的内部空间中。 电极通过相对于电极部分偏离振动部件的中心轴线的外侧或内侧而布置。 每个电极被提供有来自检测和驱动电路的位移检测AC电压和控制电压。
    • 10. 发明授权
    • Gyro compass
    • 陀螺指南针
    • US5416976A
    • 1995-05-23
    • US100050
    • 1993-07-30
    • Fuyuki HaneShinichi KawadaTakeshi HojoMamoru AkimotoKazushige Murabayashi
    • Fuyuki HaneShinichi KawadaTakeshi HojoMamoru AkimotoKazushige Murabayashi
    • G01C19/38
    • G01C19/38
    • A gyro compass having a gyro case housing therein a gyro and supported with freedom of three axes, functions for outputting a signal corresponding to an inclined angle of the gyro spin axis relative to the horizontal plane, and a function for applying a torque around a vertical axis of the gyro case in proportion to an input signal. A controller is supplied with a signal corresponding to the inclined angle and a latitude value at which the gyro compass is located, and a constant relative to the input latitude value is determined by the controller after the gyro compass is energized. A signal, resulting from differentiating the signal corresponding to the inclined angle during a predetermined time, is added to the product of the signal corresponding to the inclined angle and the constant. This added signal functions as the input signal for the gyro, whereby a constant optimum north-seeking movement is carried out regardless of the change of the latitude value. An error corrector is provided having supplied to it the signal corresponding to the inclined angle, the speed signal of the vehicle and its heading azimuth signal, and a bias error caused by the inclined angle of the gyro compass spin axis and an azimuth error caused by the movement of the vehicle are estimated and calculated to thereby reduce an azimuth error caused by any bias error and the vehicles' movement.
    • 一种陀螺罗盘,其具有容纳在其中的陀螺仪并具有三轴自由度的陀螺仪壳体,用于输出对应于陀螺仪旋转轴线相对于水平面的倾斜角度的信号的功能,以及用于在垂直方向施加扭矩的功能 陀螺仪壳体的轴与输入信号成比例。 向控制器提供对应于陀螺仪罗盘所在的倾斜角度和纬度值的信号,并且在陀螺仪罗盘通电之后由控制器确定相对于输入纬度值的常数。 将在预定时间内对应于倾斜角度的信号进行微分而产生的信号加到对应于倾斜角度和常数的信号的积中。 该添加的信号用作陀螺仪的输入信号,由此执行恒定的最佳北移运动,而不管纬度值的变化。 提供了一种误差校正器,其向其提供了与倾斜角度,车辆速度信号及其方位角信号相对应的信号,以及由陀螺仪罗盘旋转轴的倾斜角度引起的偏移误差和由 估计和计算车辆的运动,从而减少由任何偏置误差和车辆运动引起的方位角误差。