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公开(公告)号：US5349531A
公开(公告)日：1994-09-20
申请号：US848388
申请日：1992-03-09
CPC分类号： G01S19/54
摘要： A navigation apparatus utilizing a global positioning system having at least first and second satellite reception antennas installed on a navigation vehicle with a predetermined distance therebetween, a first azimuth computing unit for computing a first azimuth angle of the navigation vehicle from satellite radio waves received at the first and second antennas and a phase difference therebetween, a second azimuth computing unit for computing a second azimuth angle from a time change of antenna positions calculated from the satellite radio wave received at the first or second reception antenna, first and second multiplying units for multiplying outputs of the first and second azimuth computing units with predetermined coefficients respectively, an adding unit for adding outputs of the first and second multiplying units to produce a third azimuth angle, and a coefficient control unit for varying coefficient values of the first and second multiplying units in accordance with either the satellite arrangement or turning frequency of the navigation vehicle.
摘要翻译： 一种利用全球定位系统的导航装置，其具有至少安装在导航车辆上的第一和第二卫星接收天线，其间具有预定的距离;第一方位计算单元，用于根据在所述导航车载机上接收的卫星无线电波计算导航车辆的第一方位角; 第一和第二天线和它们之间的相位差，第二方位计算单元，用于根据从在第一或第二接收天线处接收的卫星无线电波计算出的天线位置的时间变化来计算第二方位角;第一和第二乘法单元，用于乘法 第一和第二方位计算单元的输出分别具有预定系数;加法单元，用于将第一和第二乘法单元的输出相加以产生第三方位角;以及系数控制单元，用于改变第一和第二乘法单元的系数值 按照sa 卫星排列或导航车辆的转弯频率。
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公开(公告)号：US4831544A
公开(公告)日：1989-05-16
申请号：US121873
申请日：1987-11-17
申请人： Takeshi Hojo , Kanshi Yamamoto , Mikio Morohoshi , Fuyuki Hame
发明人： Takeshi Hojo , Kanshi Yamamoto , Mikio Morohoshi , Fuyuki Hame
IPC分类号： G01C21/16
CPC分类号： G01C21/16
摘要： An attitude and heading reference detecting apparatus having three gyros and three acceleometers mounted to a navigation vehicle in such a manner that their input axes are made coincident with principal three axial directions of the navigation object, respectively, a magnetic azimuth sensor, a signal transforming section supplied with the outputs from the three gyros, the outputs from the three accelerometers and the output from the magnetic azimuth sensor, a computing section supplied with the output from the signal transforming section and a signal output section supplied with the output from the computing section, for producing an attitude and heading reference signal and for delivering the same to the outside.
摘要翻译： 一种姿态和航向参考检测装置，具有三个陀螺仪和三个测量计，其安装在导航车辆上，使得它们的输入轴分别与导航对象的主要三个轴向方向一致，磁方位传感器，信号变换部分 提供三个陀螺仪的输出，来自三个加速度计的输出和来自磁方位传感器的输出，提供有来自信号变换部分的输出的计算部分和被提供有来自计算部分的输出的信号输出部分， 用于产生姿态和航向参考信号并将其传送到外部。
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公开(公告)号：US4791727A
公开(公告)日：1988-12-20
申请号：US110427
申请日：1987-10-20
申请人： Takeshi Hojo , Takafumi Nakaishi , Mikio Morohoshi
发明人： Takeshi Hojo , Takafumi Nakaishi , Mikio Morohoshi
IPC分类号： G01C19/38
CPC分类号： G01C19/38
摘要： 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.
摘要翻译： 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。
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