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    • 91. 发明授权
    • Method and apparatus for balancing gas turbine engines
    • 燃气轮机发动机平衡方法和装置
    • US07371042B2
    • 2008-05-13
    • US11018639
    • 2004-12-21
    • Michael J. Lee
    • Michael J. Lee
    • F01D25/04
    • F16F15/32F01D5/027F01D25/243Y02T50/671Y10S416/50
    • A method, system, and balanced rotating assembly are provided for field balancing an assembly including a power turbine. The method, system and assembly includes coupling the power turbine to a load, identifying a first balancing plane that is aft of the power turbine, and identifying a second balancing plane that is forward of the power turbine. A balancing correction is determined at each of the first and second balancing planes. A balance weight is mounted at the first balancing plane based on the balancing correction determined for the first balancing plane, and a balance weight is mounted at the second balancing plane based on the balancing correction determined for the second balancing plane, wherein each balance weight is coupled to at least two respective bolt head without removing the bolts.
    • 提供了一种方法,系统和平衡旋转组件,用于现场平衡包括动力涡轮机的组件。 方法,系统和组件包括将动力涡轮机耦合到负载,识别动力涡轮机后部的第一平衡平面,以及识别动力涡轮机前方的第二平衡平面。 在第一和第二平衡平面中的每一个处确定平衡校正。 基于为第一平衡平面确定的平衡校正,平衡重被安装在第一平衡平面上,并且基于为第二平衡平面确定的平衡校正,平衡重被安装在第二平衡平面上,其中每个平衡重是 联接到至少两个相应的螺栓头,而不去除螺栓。
    • 92. 发明授权
    • Method and apparatus for transforming point cloud data to volumetric data
    • 将点云数据转换为体数据的方法和装置
    • US07317456B1
    • 2008-01-08
    • US10309411
    • 2002-12-02
    • Michael J. Lee
    • Michael J. Lee
    • G06T15/00
    • G06T17/00G06T15/08
    • A method and apparatus are provided for transforming an irregular, unorganized cloud of data points (100) into a volumetric data or “voxel” set (120). Point cloud (100) is represented in a 3D cartesian coordinate system having an x-axis, a y-axis and a z-axis. Voxel set (120) is represented in an alternate 3D cartesian coordinate system having an x′-axis, a y′-axis, and a z′-axis. Each point P(x, y, z) in the point cloud (100) and its associated set of attributes, such as intensity or color, normals, density and/or layer data, are mapped to a voxel V(x′, y′, z′) in the voxel set (120). Given that the point cloud has a high magnitude of points, multiple points from the point cloud may be mapped to a single voxel. When two or more points are mapped to the same voxel, the disparate attribute sets of the mapped points are combined so that each voxel in the voxel set is associated with only one set of attributes.
    • 提供了一种方法和装置,用于将不规则的,无组织的数据点云(100)变换为体数据或“体素”集合(120)。 点云(100)在具有x轴,y轴和z轴的3D笛卡尔坐标系中表示。 体素集(120)以具有x'轴,y'轴和z'轴的替代3D笛卡尔坐标系表示。 点云(100)中的每个点P(x,y,z)及其关联的属性集合(例如强度或颜色,法线,密度和/或层数据)被映射到体素V(x',y ',z')在体素集合(120)中。 假设点云具有很高的点数,则点云中的多个点可以映射到单个体素。 当两个或多个点被映射到相同的体素时,将映射点的不同属性集合组合,使得体素集中的每个体素仅与一组属性相关联。