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    • 12. 发明申请
    • METHOD FOR INSTALLING AN INERTIAL REFERENCE UNIT IN AN AIRCRAFT, AND AIRCRAFT EQUIPPED IN THIS WAY
    • 在飞机上安装惯性参考单元的方法和以这种方式装备的飞机
    • US20110253840A1
    • 2011-10-20
    • US13077083
    • 2011-03-31
    • Valërie BRIVETThomas CartereauJean-Damien Perrie
    • Valërie BRIVETThomas CartereauJean-Damien Perrie
    • B64C1/00B23P17/00
    • G01B11/27G01B21/24G01C25/005
    • The invention relates to a method for installing an inertial reference unit in an aircraft, in which: a reference unit support (1) is fixed to a structural element of the aircraft; support installation angles—in heading, roll and pitch—representative of angular errors of positioning of the reference unit support relative to an aircraft coordinate system are determined, this determination being based on the measurement of coordinates of points of a previously defined reference coordinate system and of characteristic points of the reference unit support; the said support installation angles are recorded in memory means, for the purposes of subsequent correction of data measured by the inertial reference unit. Preferably the reference coordinate system used is defined by means of targets formed on the structure of a segment of the aircraft for the purposes of joining this segment with an adjacent segment.
    • 本发明涉及一种用于在飞行器中安装惯性参考单元的方法,其中:参考单元支撑件(1)固定到飞行器的结构元件; 确定在标题,滚动和俯仰中的安装角度,表示参考单元支撑件相对于飞行器坐标系的定位的角度误差,该确定基于先前定义的参考坐标系的点的坐标的测量,以及 参考单位支持的特征点; 所述支撑安装角度被记录在存储装置中,以便随后校正由惯性参考单元测量的数据。 优选地,所使用的参考坐标系通过形成在飞行器的段的结构上的目标来限定,以便将该段与相邻段连接起来。
    • 13. 发明申请
    • METHOD OF OPTICAL METROLOGY OPTIMIZATION USING RAY TRACING
    • 使用雷达跟踪的光学计量优化方法
    • US20110246141A1
    • 2011-10-06
    • US12752080
    • 2010-03-31
    • SHIFANG LI
    • SHIFANG LI
    • G06F17/10
    • G01B21/24G01B2210/56G03F7/705G03F7/70625
    • Provided is a method for determining a profile of a sample structure on a workpiece using an optical metrology system that includes an optical metrology tool, an optical metrology model, and a profile extraction algorithm. The method comprises selecting a number of rays for the illumination beam, selecting beam propagation parameters, and using a processor, determining beam propagation parameters for each ray of the selected number of rays, determining the beam propagation parameters for each ray, calculating intensity and polarization of each ray, calculating total intensity and polarization of the diffraction beam, calculating a metrology output signal, extracting one or more profile parameters using the metrology output signal, calibration data, and a profile extraction algorithm.
    • 提供了一种使用包括光学计量学工具,光学计量学模型和轮廓提取算法的光学测量系统来确定工件上的样品结构的轮廓的方法。 该方法包括选择用于照明光束的光线数量,选择光束传播参数,以及使用处理器,确定所选数量的光线的每个光线的光束传播参数,确定每个光线的光束传播参数,计算强度和偏振 计算衍射光束的总强度和极化,计算测量输出信号,使用测量输出信号,校准数据和轮廓提取算法提取一个或多个轮廓参数。
    • 16. 发明授权
    • Vehicle drive axis alignment device
    • 车辆驱动轴对准装置
    • US07908760B2
    • 2011-03-22
    • US12576414
    • 2009-10-09
    • Kenneth Milburn
    • Kenneth Milburn
    • G01B5/25
    • G01B5/25G01B21/24
    • An alignment device measures an angular offset between a vehicle body axis and a vehicle drive axis. The device includes an arm having a mounting portion for mounting to a vehicle such that the arm is aligned with the vehicle body axis. A wheel support member is coupled to the arm for rotation relative to the arm. A wheel is rotatably supported by the wheel support member and configured to roll on a ground surface, such that the wheel and the wheel support member are configured to self-align with the vehicle drive axis when the arm is mounted to the vehicle and the vehicle is driven on the ground surface. An indicator displays the angular offset between the wheel support member and the arm, which is indicative of the angular offset between the vehicle body axis and the vehicle drive axis. A method of carrying out a measurement with the device is also disclosed.
    • 对准装置测量车体轴线和车辆驱动轴线之间的角度偏移。 该装置包括具有用于安装到车辆的安装部分的臂,使得臂与车体轴线对准。 轮支撑构件联接到臂上以相对于臂旋转。 车轮由车轮支撑构件可旋转地支撑并且构造成在地面上滚动,使得车轮和车轮支撑构件被配置为当臂安装到车辆和车辆时与车辆驱动轴线自对准 在地面上被驱动。 指示器显示车轮支撑构件和臂之间的角度偏移,其指示车体轴线和车辆驱动轴线之间的角度偏移。 还公开了一种使用该装置进行测量的方法。
    • 18. 发明申请
    • METHOD AND SYSTEM FOR CALCULATING MISALIGNMENT OF ROTATIONAL BODY
    • 用于计算旋转体的误差的方法和系统
    • US20100241394A1
    • 2010-09-23
    • US12678018
    • 2008-06-30
    • Keisuke IharaToshiyuki Sakae
    • Keisuke IharaToshiyuki Sakae
    • G06F15/00
    • G01B21/24
    • A system and method for calculating misalignment of a rotational body includes: deriving radial displacement amounts of the rotational body for at least four or more measurement points; selecting three arbitrary points among all the measurement points to calculate a circle; calculating circle values for all the measurement points from the calculated circle; calculating differences between the calculated circle values and the radial displacement amounts as error amounts at the measurement points; summing the error amounts to derive a total error amount value; repeating calculation for combinations of three measurement points to calculate each total error amount value; selecting a calculated circle with a minimum total error amount value as a most probable circle; and calculating deviation between the center of the most probable circle and the center of rotation of the rotational body as misalignment data of the most probable circle.
    • 用于计算旋转体的不对准的系统和方法包括:为至少四个或更多个测量点导出旋转体的径向位移量; 在所有测量点中选择三个任意点以计算圆; 从计算的圆中计算所有测量点的圆值; 计算计算出的圆值与径向位移量之间的差异作为测量点的误差量; 求出误差量,得出总误差量值; 重复计算三个测量点的组合,以计算每个总误差量值; 选择具有最小总误差量值的计算圆作为最可能的圆; 并且计算最可能圆的中心和旋转体的旋转中心之间的偏差作为最可能圆的不对准数据。
    • 19. 发明申请
    • VEHICLE DRIVE AXIS ALIGNMENT DEVICE
    • 车辆驱动轴对准装置
    • US20100088909A1
    • 2010-04-15
    • US12576414
    • 2009-10-09
    • Kenneth Milburn
    • Kenneth Milburn
    • G01B1/00G01D21/00G01B3/56
    • G01B5/25G01B21/24
    • An alignment device measures an angular offset between a vehicle body axis and a vehicle drive axis. The device includes an arm having a mounting portion for mounting to a vehicle such that the arm is aligned with the vehicle body axis. A wheel support member is coupled to the arm for rotation relative to the arm. A wheel is rotatably supported by the wheel support member and configured to roll on a ground surface, such that the wheel and the wheel support member are configured to self-align with the vehicle drive axis when the arm is mounted to the vehicle and the vehicle is driven on the ground surface. An indicator displays the angular offset between the wheel support member and the arm, which is indicative of the angular offset between the vehicle body axis and the vehicle drive axis. A method of carrying out a measurement with the device is also disclosed.
    • 对准装置测量车体轴线和车辆驱动轴线之间的角度偏移。 该装置包括具有用于安装到车辆的安装部分的臂,使得臂与车体轴线对准。 轮支撑构件联接到臂上以相对于臂旋转。 车轮由车轮支撑构件可旋转地支撑并且构造成在地面上滚动,使得车轮和车轮支撑构件被配置为当臂安装到车辆和车辆时与车辆驱动轴线自对准 在地面上被驱动。 指示器显示车轮支撑构件和臂之间的角度偏移,其指示车体轴线和车辆驱动轴线之间的角度偏移。 还公开了一种使用该装置进行测量的方法。