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公开(公告)号：US5488471A
公开(公告)日：1996-01-30
申请号：US162452
申请日：1993-12-02
IPC分类号： G01B11/275 , G01B11/26 , G01B5/24 , G01C3/00 , G01C3/08
CPC分类号： G01B11/2755 , G01B2210/16 , G01B2210/283
摘要： A system for measuring angular relationships of wheels of a vehicle includes a radiation source mounted with respect to a first wheel for providing a radiation signal, an image detector having an active array of pixels mounted with respect to a second wheel for receiving an image from the radiation source and for producing an output in response to the radiation signal, and a radiation detector disposed in the path of the radiation from the radiation source for detecting the presence of the radiation signal. A controller is responsive to the presence of the radiation signal to activate the image detector to receive the image from the radiation source and determine an alignment angle of a wheel of the vehicle from the output of the image detector. A mask is mounted between the radiation source and the detector for defining an image of the radiation source upon the detector, the mask preferably having at least three slits therein the system also uses radiation signals and the active pixel array detector to electronically determine wheel base and/or track width and corrects alignment characteristic values for errors which are affected by wheelbase. The system also uses such radiation signals and detectors to electronically determine ride height and/or wheel offset distances.
摘要翻译： 用于测量车辆的车轮的角度关系的系统包括相对于用于提供辐射信号的第一轮安装的辐射源，具有相对于第二轮安装的有源像素阵列的图像检测器，用于从 辐射源并且用于响应于辐射信号产生输出;以及放射线检测器，设置在来自辐射源的辐射路径中，用于检测辐射信号的存在。 控制器响应辐射信号的存在来激活图像检测器以从辐射源接收图像，并且从图像检测器的输出确定车辆的车轮的对准角度。 掩模安装在辐射源和检测器之间，用于在检测器上定义辐射源的图像，该掩模优选地在其中具有至少三个狭缝，该系统还使用辐射信号，并且有源像素阵列检测器以电子方式确定车轮底座和 /或轨道宽度，并校正受轴距影响的错误的对准特征值。 该系统还使用这种辐射信号和检测器来电子地确定行驶高度和/或车轮偏移距离。
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12.发明授权Method and apparatus for wheel alignment system target projection and illumination 有权车轮对准系统目标投影和照明的方法和装置公开(公告)号：US07454841B2
公开(公告)日：2008-11-25
申请号：US11555047
申请日：2006-10-31
申请人： Leigh R. Burns, Jr. , Daniel R. Dorrance , Nicholas J. Colarelli, III , Timothy A. Strege , Gerald E. Friton , Mark S. Shylanski , David A. Voeller
发明人： Leigh R. Burns, Jr. , Daniel R. Dorrance , Nicholas J. Colarelli, III , Timothy A. Strege , Gerald E. Friton , Mark S. Shylanski , David A. Voeller
IPC分类号： G01B11/275
CPC分类号： G01B11/2755 , G01B11/2509 , G01B11/2513 , G01B11/2545 , G01B2210/146 , G01B2210/28 , G01B2210/286
摘要： A machine vision vehicle wheel alignment system configured with at least one cameras for acquiring images of the wheels of a vehicle, and an associated light projectors configured to project a pattern image onto the surfaces of vehicle components such as vehicle wheel assemblies. Images of the projected patterns acquired by the camera, are processed by the vehicle wheel alignment system to facilitate a determination of the relative orientation and position of the surfaces such as wheel assemblies in three dimensional space, from which vehicle parameters such as wheel alignment measurements can be subsequently determined.
摘要翻译： 配置有用于获取车辆的车轮的图像的至少一个照相机的机器视觉车轮对准系统，以及被配置为将图案图像投影到诸如车轮组件的车辆部件的表面上的相关联的投光器。 由照相机获取的投影图案的图像由车辆车轮对准系统处理，以便于确定三维空间中诸如车轮组件之类的表面的相对取向和位置，车轮对准测量的车辆参数 随后确定。
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13.发明授权Vehicle lift reference system for movable machine-vision alignment system sensors 有权用于移动机器视觉对准系统传感器的车辆升降机参考系统公开(公告)号：US07453559B2
公开(公告)日：2008-11-18
申请号：US11461309
申请日：2006-07-14
IPC分类号： G01B11/26
CPC分类号： G01B11/2755 , G01B2210/143 , G01C25/00
摘要： A method for enabling a vehicle wheel alignment system to compensate an imaging sensor coordinate system for changes associated with adjustments to the pose of an imaging sensor, following movement of a vehicle lift mechanism supporting a vehicle undergoing a vehicle wheel alignment procedure.
摘要翻译： 一种用于在支撑经历车辆车轮定位过程的车辆的车辆升降机构的移动之后，使得车轮对准系统能够补偿成像传感器坐标系，以用于与成像传感器的姿势的调整相关的变化。
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14.发明授权公开(公告)号：US07382913B2
公开(公告)日：2008-06-03
申请号：US10646644
申请日：2003-08-22
申请人： Daniel R. Dorranc , Timothy A. Strege , Leigh R. Burns, Jr. , Mark S. Shylanski , Thomas J. Golab
发明人： Daniel R. Dorranc , Timothy A. Strege , Leigh R. Burns, Jr. , Mark S. Shylanski , Thomas J. Golab
IPC分类号： G06K9/00
CPC分类号： G01S5/16 , G01B11/2755 , G01B2210/143 , G06T7/70 , G06T2207/30248 , Y10T29/53922
摘要： A machine vision system is configured to facilitate placement of a vehicle service apparatus relative to an associated vehicle. The machine vision system is configured to utilize images of optical targets received from one or more cameras to guide the placement of the vehicle service apparatus relative to the associated vehicle.
摘要翻译： 机器视觉系统被配置为便于车辆服务装置相对于相关联的车辆的放置。 机器视觉系统被配置为利用从一个或多个相机接收的光学目标的图像来引导车辆服务装置相对于相关联的车辆的放置。
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15.发明授权公开(公告)号：US06298284B1
公开(公告)日：2001-10-02
申请号：US09110771
申请日：1998-07-06
申请人： Leigh R. Burns, Jr. , Timothy A. Strege , Michael T. Stieff , Daniel B. January , Nicholas J. Colarelli, III
发明人： Leigh R. Burns, Jr. , Timothy A. Strege , Michael T. Stieff , Daniel B. January , Nicholas J. Colarelli, III
IPC分类号： G01M138
CPC分类号： G01B11/275 , G01B11/2755 , G01B2210/12 , G01B2210/143 , G01B2210/146 , G01B2210/20 , G01B2210/30 , G01B2210/303
摘要： Apparatus and method for determining the alignment positions and orientations of vehicle wheels includes optical targets mounted on the wheels. A pair of cameras or other image sensing devices on each side of the vehicle are used to obtain images of the various optical targets and a computer is responsive to the images of the targets to determine values of wheel alignment parameters of the vehicle. The surface on which the wheels are disposed may be an automotive lift or a stationary runway. One camera on each side is directed at the target on the corresponding front wheel and the other camera on each side is directed at the target on the corresponding rear wheel. When used with a rack, the major axis of the field of view of each camera is disposed vertically. When used with a stationary runway, the major axis of the field of view of each camera is disposed horizontally.
摘要翻译： 用于确定车轮的对准位置和取向的装置和方法包括安装在车轮上的光学目标。 使用车辆两侧的一对照相机或其他图像感测装置来获得各种光学目标的图像，并且计算机响应目标的图像来确定车辆的车轮对准参数的值。 轮子所在的表面可以是汽车升降机或固定跑道。 每一侧的一个摄像机指向相应前轮上的目标，并且每一侧上的另一摄像机被引导到相应后轮上的目标。 当与机架一起使用时，每个摄像机的视野的主轴垂直布置。 当与固定跑道一起使用时，每个摄像机的视场的主轴水平放置。
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公开(公告)号：US5537876A
公开(公告)日：1996-07-23
申请号：US285391
申请日：1994-08-02
CPC分类号： G01N29/221 , G01N29/041 , G01N29/223 , G01N29/42 , G01N2291/0234 , G01N2291/0421 , G01N2291/0422 , G01N2291/044 , G01N2291/2675
摘要： Apparatus and method for nondestructive evaluation of butt welds. The present invention in its broadest form includes an apparatus and method for detecting flaws in butt welds in steel sheets using horizontal shear ultrasonic waves generated on the surface thereof. Observation of reflected waves having amplitude greater than a chosen value signals the presence of significant flaw. To achieve this objective, the present apparatus detects only reflected horizontal shear waves; other modes are electronically removed using bandpass filters, since they occur at different frequencies. The invention may therefore be used in the presence of surface structures such as clamps and the like, and in the presence of surface nonuniformities in the vicinity of the weld, thereby permitting on-line flaw detection steel mill environment without interfering with the line output. The ultrasonic waves are generated and received by a pair of electromagnetic acoustical transducers having magnetic fields which are oriented 40-65 degrees from the direction of the transmitted and received waves.
摘要翻译： 对接焊接非破坏性评估装置及方法。 其最广泛形式的本发明包括使用在其表面上产生的水平剪切超声波来检测钢板对接焊缝中的缺陷的装置和方法。 观察幅度大于所选值的反射波表明存在明显的缺陷。 为了达到这个目的，本装置只检测反射的水平剪切波; 使用带通滤波器电子地去除其他模式，因为它们以不同的频率出现。 因此，本发明可以在诸如夹具等的表面结构的存在下使用，并且在焊接附近存在表面不均匀性的情况下使用，从而允许在线探伤钢厂环境而不干扰线路输出。 超声波由具有磁场的一对电磁换能器产生和接收，所述磁场从发射和接收波的方向定向成40-65度。
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公开(公告)号：US5489983A
公开(公告)日：1996-02-06
申请号：US429680
申请日：1995-04-27
IPC分类号： G01B11/275 , G01B11/26 , G01B5/24 , G01C1/00 , H01J40/14
CPC分类号： G01B11/2755 , G01B2210/16 , G01B2210/283
摘要： A system for measuring angular relationships of wheels of a vehicle includes a radiation source mounted with respect to a first wheel for providing a radiation signal, an image detector having an active array of pixels mounted with respect to a second wheel for receiving an image from the radiation source and for producing an output in response to the radiation signal, and a radiation detector disposed in the path of the radiation from the radiation source for detecting the presence of the radiation signal. A controller is responsive to the presence of the radiation signal to activate the image detector to receive the image from the radiation source and determine an alignment angle of a wheel of the vehicle from the output of the image detector. A mask is mounted between the radiation source and the detector for defining an image of the radiation source upon the detector, the mask preferably having at least three slits therein. The system also uses radiation signals and the active pixel array detector to electronically determine wheel base and/or track width and corrects alignment characteristic values for errors which are affected by wheelbase. The system also uses such radiation signals and detectors to electronically determine ride height and/or wheel offset distances.
摘要翻译： 用于测量车辆的车轮的角度关系的系统包括相对于用于提供辐射信号的第一轮安装的辐射源，具有相对于第二轮安装的有源像素阵列的图像检测器，用于从 辐射源并且用于响应于辐射信号产生输出;以及放射线检测器，设置在来自辐射源的辐射路径中，用于检测辐射信号的存在。 控制器响应辐射信号的存在来激活图像检测器以从辐射源接收图像，并且从图像检测器的输出确定车辆的车轮的对准角度。 掩模安装在辐射源和检测器之间，用于在检测器上限定辐射源的图像，掩模优选地在其中具有至少三个狭缝。 该系统还使用辐射信号和有源像素阵列检测器以电子方式确定车轮基座和/或轨道宽度，并校正受轴距影响的误差的对准特性值。 该系统还使用这种辐射信号和检测器来电子地确定行驶高度和/或车轮偏移距离。
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公开(公告)号：US4777824A
公开(公告)日：1988-10-18
申请号：US66772
申请日：1987-06-25
CPC分类号： G01N29/2412 , B06B1/04 , G01N2291/0234 , G01N2291/0423 , G01N2291/0427
摘要： A noncontact ultrasonic transducer for studying the acoustic properties of a metal workpiece includes a generally planar magnetizing coil positioned above the surface of the workpiece, and a generally planar eddy current coil between the magnetizing coil and the workpiece. When a large current is passed through the magnetizing coil, a large magnetic field is applied to the near-surface regions of the workpiece. The eddy current coil can then be operated as a transmitter by passing an alternating current therethrough to excite ultrasonic waves in the surface of the workpiece, or operated as a passive receiver to sense ultrasonic waves in the surface by measuring the output signal. The geometries of the two coils can be varied widely to be effective for different types of ultrasonic waves. The coils are preferably packaged in a housing which does not interfere with their operation, but protects them from a variety of adverse environmental conditions.
摘要翻译： 用于研究金属工件的声学特性的非接触式超声换能器包括位于工件表面上方的大致平面的磁化线圈，以及位于磁化线圈和工件之间的大体平面的涡流线圈。 当大电流通过磁化线圈时，大的磁场被施加到工件的近表面区域。 涡流线圈然后可以通过使交流电流通过其来激发工件表面中的超声波，或者作为无源接收器操作，作为发射器，以通过测量输出信号来感测表面中的超声波。 两个线圈的几何形状可以广泛地变化，以对于不同类型的超声波是有效的。 线圈优选地包装在壳体中，其不干扰其操作，而是保护它们免受各种不利的环境条件的影响。
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