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公开(公告)号：US07974806B1
公开(公告)日：2011-07-05
申请号：US12556376
申请日：2009-09-09
IPC分类号： G01M1/38
CPC分类号： G01B11/2755 , G01B2210/14 , G01B2210/22 , G01B2210/26 , G01B2210/306
摘要： A method for compensating axial misalignment between wheel-mounted alignment sensors and an axis of rotation for an associated wheel. The method compensates sensors mounted to each wheel of a vehicle simultaneously, without requiring jacking of the vehicle wheels above a supporting surface, and which only requires wheel rotational movement over an arc of 60 degrees or less. The method utilizes measurements of a change in a wheel toe angle and measurements of a change in a wheel camber angle, during a measured rotational movement of the wheel, to identify sinusoidal variation in the respective toe and camber angles during the wheel's rotational movement, from which a measure of axial misalignment between the wheel-mounted alignment sensor axis of rotation and the wheel axis of rotation is identified.
摘要翻译： 一种用于补偿轮对准传感器与相关轮的旋转轴线之间的轴向不对准的方法。 该方法同时补偿安装到车辆的每个车轮的传感器，而不需要在支撑表面上方将车轮顶起，并且仅需要在60度或更小的弧度上进行车轮旋转运动。 该方法利用在轮的测量的旋转运动期间对车轮脚趾角度的变化的测量和车轮外倾角的变化的测量，以识别车轮旋转运动期间各自的脚趾和外倾角的正弦变化， 识别轮对准传感器旋转轴线和车轮旋转轴线之间的轴向未对准的量度。
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公开(公告)号：US5519489A
公开(公告)日：1996-05-21
申请号：US339461
申请日：1994-11-18
IPC分类号： G01B11/275 , G01B11/26 , G01B5/24 , G01C3/00
CPC分类号： G01B11/2755 , G01B2210/16 , G01B2210/283
摘要： An improved vehicle alignment system includes automatic angle and distance range calibration whereby various vehicle distances such as track width and wheelbase may be measured electro-optically during the alignment process. The system also includes an improved process which results in shorter measurement cycles for the sensors by utilizing an electronic shutter control. The sensors work in pairs, and a novel synchronization scheme is used to ensure that the emitters of one sensor are not radiating at the same time the emitters of the other sensor of that pair are radiating and to determine which emitter of the pair corresponding to a sensor is radiating. Reflections of the emitters from nearby surfaces are discriminated from direct transmissions so that the angle of incidence is accurately determined. Moreover, determination of the angle of incidence is simplified by use of a lens whose image position varies in a specific manner as the imaged object moves radially away from the axis of the lens. The present system is particularly suited for measuring difficult alignment measurements such as toe-out on turns electro-optically with a minimal number of sensors.
摘要翻译： 改进的车辆对准系统包括自动角度和距离范围校准，由此可以在对准过程期间电光测量各种车辆距离，例如轨道宽度和轴距。 该系统还包括一种改进的过程，其通过利用电子快门控制使得传感器的测量周期更短。 传感器成对工作，并且使用新的同步方案来确保一个传感器的发射器不同时辐射该对的另一个传感器的发射器辐射，并确定该对的发射器对应于 传感器正在辐射。 来自附近表面的发射体的反射与直接传输区分开，以便准确地确定入射角。 此外，通过使用其成像位置随着成像物体径向远离透镜的轴线而以特定方式变化的透镜被简化，从而简化了入射角的确定。 本系统特别适用于测量困难的对准测量，例如使用最少数量的传感器进行电光转换的转弯。
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公开(公告)号：US20080119978A1
公开(公告)日：2008-05-22
申请号：US11942504
申请日：2007-11-19
IPC分类号： G01M17/013
CPC分类号： G01B11/2755 , G01B2210/143 , G01B2210/30
摘要： A machine vision vehicle wheel alignment system configured to measure non-traditional vehicle wheel alignment angles and to determine dynamic behavior of a vehicle suspension system by observing optical targets or visible features, attached to points of interest on the vehicle body or vehicle wheels. The vehicle wheel alignment system characterizes the suspension geometry with respect to the body of the vehicle and to a rolling surface by measuring, in three-dimensions, points and/or angles on the vehicle body as well as the vehicle wheels, enabling measurement of specific non-traditional vehicle parameters, including wheel assembly braking force and lateral force moment arms.
摘要翻译： 一种机器视觉车轮对准系统，被配置为测量非传统车轮对准角度并且通过观察附接到车身或车辆车轮上的感兴趣点的光学目标或可见特征来确定车辆悬架系统的动态特性。 车轮对准系统通过以三维的方式测量车体和车轮上的点和/或角度来表征相对于车身和车轮的悬架几何形状，使得能够测量具体的 非传统车辆参数，包括车轮组件制动力和横向力矩臂。
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公开(公告)号：US20080186383A1
公开(公告)日：2008-08-07
申请号：US12098887
申请日：2008-04-07
IPC分类号： H04N7/18
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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公开(公告)号：US07295297B2
公开(公告)日：2007-11-13
申请号：US10857781
申请日：2004-05-28
IPC分类号： G01B11/275 , G01C1/04
CPC分类号： G01B11/2755
摘要： An improved image sensing wheel alignment system for calculating vehicle wheel alignments having a detector array for receiving an input image containing vehicle wheel alignment information. An image sensor controller controls the detector array to receive the input image during an acquisition period, the image sensor controller examining signals from the image detecting elements individually at a plurality of times during the acquisition period to determine exposure levels for image detecting elements. An output image from the image detecting elements at the end of the acquisition period contains wheel alignment information for use in calculating vehicle wheel alignments.
摘要翻译： 一种用于计算车轮对准的改进的图像传感轮对准系统，具有用于接收包含车轮对准信息的输入图像的检测器阵列。 图像传感器控制器控制检测器阵列在采集周期期间接收输入图像，图像传感器控制器在采集周期期间多次分别检查来自图像检测元件的信号，以确定图像检测元件的曝光水平。 在采集周期结束时来自图像检测元件的输出图像包含用于计算车轮对准的车轮对准信息。
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