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    Method for Determining Parameters of a Rotating Object within a Projected Pattern
    1.
    发明申请
    Method for Determining Parameters of a Rotating Object within a Projected Pattern 有权
    确定投影模式中旋转对象参数的方法

    公开(公告)号：US20140267699A1

    公开(公告)日：2014-09-18

    申请号：US14209552

    申请日：2014-03-13

    申请人： Hunter Engineering Company

    发明人： Daniel R. Dorrance ,  Mark S. Shylanski

    IPC分类号： G06T7/00 ,  G06T7/20 ,  G06K9/60

    CPC分类号： G06K9/60 ,  G01B11/2755 ,  G01B2210/20 ,  G01B2210/286 ,  G06T7/73 ,  G06T2200/04 ,  G06T2207/10016 ,  G06T2207/10028 ,  G06T2207/20221

    摘要： A method for contactless measurements of a vehicle wheel assembly by acquiring a sequence of images as the vehicle wheel assembly moves within a projected pattern of light. Images of the vehicle wheel assembly are acquired and processed to identify the portions of the images corresponding to the wheel assembly, such as by recognition of the wheel rim edge. The identified portion of each image is cropped and a resulting point cloud of data rotational aligned by an optimization procedure to remove the effect of wheel translation and rotation between each image, as well as to identify a center of rotation and amount of rotation for each image which yields a best-fit result. Superimposing the resulting point clouds produces a generated image with a high density of data points on the optimally fit surfaces of the wheel assembly, which can be used to further refine the axis of rotation determination.

    摘要翻译： 一种用于在车轮组件在投影图案内移动的情况下通过获取图像序列来非车载车轮组件的非接触式测量的方法。 获取并处理车轮组件的图像，以便例如通过识别轮缘边缘来识别对应于车轮组件的图像的部分。 裁剪每个图像的识别部分，并通过优化程序旋转对齐数据的结果点云，以消除每个图像之间的轮平移和旋转的影响，以及识别每个图像的旋转中心和旋转量 这产生最佳匹配结果。 叠加产生的点云会在轮组件的最佳配合表面上产生具有高密度数据点的生成图像，可用于进一步细化旋转轴确定。

    Hybrid sensor
    3.
    发明授权
    Hybrid sensor 有权
    混合传感器

    公开(公告)号：US08031345B2

    公开(公告)日：2011-10-04

    申请号：US12474911

    申请日：2009-05-29

    申请人： Shyam P. Keshavmurthy ,  Chengchih Lin ,  David Crowther

    发明人： Shyam P. Keshavmurthy ,  Chengchih Lin ,  David Crowther

    IPC分类号： G01B11/14

    CPC分类号： G01B11/2531 ,  G01B11/2545 ,  G01B11/2755 ,  G01B2210/286 ,  G01B2210/52 ,  G06T7/521

    摘要： A sensor system for analyzing a feature in a sensing volume. The sensor system includes a laser source and a sensor. The first laser source projects a laser line into the sensing volume and onto the feature forming a laser stripe on the feature. The sensor images the laser stripe where the laser line intersects with the feature. The relationship between the sensor and the first laser source is precalibrated. The sensor uses the laser stripe to determine the position and/or orientation of the feature.

    摘要翻译： 用于分析感测体积中的特征的传感器系统。 传感器系统包括激光源和传感器。 第一激光源将激光线投射到感测体积中并且在该特征上形成激光条纹的特征上。 传感器对激光线与特征相交的激光条进行成像。 传感器和第一激光源之间的关系被预先校准。 传感器使用激光条纹来确定特征的位置和/或取向。

    NON CONTACT WHEEL ALIGNMENT SENSOR AND METHOD
    5.
    发明申请
    NON CONTACT WHEEL ALIGNMENT SENSOR AND METHOD 有权
    非接触轮对准传感器和方法

    公开(公告)号：US20110102779A1

    公开(公告)日：2011-05-05

    申请号：US12982431

    申请日：2010-12-30

    申请人： Kris De Sloovere ,  Didier Beghuin ,  Koen Verhaert

    发明人： Kris De Sloovere ,  Didier Beghuin ,  Koen Verhaert

    IPC分类号： G01C1/00 ,  G01B11/26

    CPC分类号： G01B11/25 ,  G01B11/2755 ,  G01B2210/286 ,  G06T7/521

    摘要： A sensor and method of determining the orientation of an object, such as the alignment characteristics of a tire and wheel assembly mounted on a vehicle, includes projecting a plurality of light planes from a first light projector onto a tire and wheel assembly to form a plurality of generally parallel illumination lines on a tire of the tire and wheel assembly, receiving a reflected image of at least some of the illumination lines with a photo electric device reflected from the tire at an angle relative to a projecting angle of the first light projector, and determining a plane defined by spatial coordinates from a selected point located on each illumination line imaged by the photo electric device, with the plane representing the orientation of the tire and wheel assembly.

    摘要翻译： 确定物体的取向的传感器和方法，例如安装在车辆上的轮胎和车轮组件的对准特性，包括将多个光平面从第一投影仪投影到轮胎和车轮组件上以形成多个 在轮胎和车轮组件的轮胎上的大致平行的照明线路，以相对于第一光投射器的突出角度成角度地从轮胎反射的光电装置接收至少一些照明线路的反射图像， 以及确定由位于由所述光电装置成像的每个照明线上的选定点的空间坐标所定义的平面，所述平面代表轮胎和轮组件的取向。

    Method for the determination of the axle geometry of a vehicle
    6.
    发明授权
    Method for the determination of the axle geometry of a vehicle 有权
    用于确定车辆的车轴几何形状的方法

    公开(公告)号：US07907265B2

    公开(公告)日：2011-03-15

    申请号：US12087212

    申请日：2007-08-03

    申请人： Thomas Tentrup ,  Wolfgang Brunk ,  Wiprecht Keller

    发明人： Thomas Tentrup ,  Wolfgang Brunk ,  Wiprecht Keller

    IPC分类号： G01B11/275

    CPC分类号： G01B11/2755 ,  G01B2210/283 ,  G01B2210/286

    摘要： A method is for determining the axle geometry of a vehicle, wherein light of a given structure is projected onto a vehicle wheel, and the diffusely reflected light can be analyzed in order to determine the orientation of the plane of the vehicle wheel. Several lines of a laser light generated by means of one or several laser light sources are projected on the wheel, and one or several of these lines fades in and/or out in temporal succession. The reflected light is captured by means of one or several cameras.

    摘要翻译： 一种用于确定车辆的车桥几何形状的方法，其中给定结构的光被投射到车轮上，并且可以分析漫反射光以便确定车轮的平面的取向。 通过一个或多个激光源产生的几行激光投射在车轮上，并且这些线中的一条或几条在时间上依次衰减和/或退出。 反射光通过一个或多个摄像机捕获。

    Vehicle wheel alignment by rotating vision sensor
    9.
    发明申请
    Vehicle wheel alignment by rotating vision sensor 失效
    车轮定位通过旋转视觉传感器

    公开(公告)号：US20040039544A1

    公开(公告)日：2004-02-26

    申请号：US10418986

    申请日：2003-04-18

    发明人： M. Stanley Merrill ,  Ted Combs ,  Richard Sutton

    IPC分类号： G06F015/00

    CPC分类号： G01B11/2755 ,  G01B11/275 ,  G01B2210/143 ,  G01B2210/20 ,  G01B2210/286 ,  H04N7/183

    摘要： Apparatus and methods are provided for measuring vehicle wheel alignment characteristics. According to one embodiment, during a first measurement cycle, spatial coordinates of multiple points on the wheel are obtained by positioning a vision sensor at various angular offsets relative to the wheel, the multiple points representative of samples from each of the various angular offsets. After the first measurement cycle and before the second measurement cycle, the wheel is rotated at least a partial revolution. During the second measurement cycle, spatial coordinates of multiple points on the wheel are obtained by positioning the vision sensor at various angular offsets relative to the wheel, the multiple points representative of samples from each of the various angular offsets. Finally, one or more characteristics of the wheel are determined based upon the spatial coordinates collected during the first measurement cycle and the spatial coordinates collected during the second measurement cycle.

    摘要翻译： 提供了用于测量车轮对准特性的装置和方法。 根据一个实施例，在第一测量周期期间，通过将视觉传感器相对于车轮定位在各种角度偏移量处获得车轮上多个点的空间坐标，所述多个点表示来自各个角度偏移量的样本。 在第一测量周期之后和在第二测量周期之前，轮旋转至少部分旋转。 在第二测量周期期间，通过将视觉传感器相对于车轮定位在各种角度偏移处，获得代表来自各个角度偏移中的每一个的样本的多个点来获得车轮上多个点的空间坐标。 最后，基于在第一测量周期期间收集的空间坐标和在第二测量周期期间收集的空间坐标来确定车轮的一个或多个特性。