System for diagnosing the wheel alignment of a vehicle includes a measuring device configured to measure a characteristic parameter of the wheel alignment, wherein the measuring device comprises a wireless communication device to remotely transmit a signal related to the characteristic parameter. The system further comprises a portable remote device, distinct and separate from the measuring device, having a wireless communication device to remotely receive the signal related to the measured characteristic parameter, and a control unit adapted to receive the related signal from the wireless communication device and to carry out a step of processing the signal to derive a value of the characteristic parameter. The portable remote device further has a screen to display a characteristic information representative of the value of the characteristic parameter, and a battery connected to the wireless communication device, to the control unit and to the screen to allow their respective operation.

A vehicle measuring apparatus wherein an electronic control system is able to automatically calibrate two main image acquisition devices. The vehicle measuring apparatus comprises a base unit comprising a target, a support bar that is horizontal and arranged suspended above the base unit, two auxiliary image acquisition devices that are mounted on the support bar so as to capture target images containing the target of the base unit, and an electronic control system that determines the poses of the main image acquisition devices based on the target images and automatically calibrates the same based on the poses determined.

A system and method for aligning a floor target relative to a vehicle, the floor target including a calibration pattern for observation by a vehicle safety system sensor during calibration. The system includes at least one optical projection system consisting of at least one optical projector having an orientable projection axis. The optical projection system is operatively controlled by a processor to orient said projection axis towards a selected location on the floor surface relative to the vehicle, and to activate the optical projected to illuminate a point, a line, or a boundary, against which the floor target is aligned.

A method for testing a vehicle underbody of a motor vehicle includes: recording at least one image of at least one region of the vehicle underbody of the motor vehicle using a camera device; producing a three-dimensional depth image with the aid of the at least one recorded image of the at least one region of the vehicle underbody of the motor vehicle; and testing the at least one region of the vehicle underbody of the motor vehicle with the aid of the produced three-dimensional depth image of the vehicle underbody using optical image recognition.

A vehicle wheel alignment system has a plurality of cameras, each camera for viewing a respective target disposed at a respective wheel of the vehicle and capturing image data of the target as the wheel and target are continuously rotated a number of degrees of rotation without a pause. The image data is used to calculate a minimum number of poses of the target of at least one pose for every five degrees of rotation as the wheel and target are continuously rotated the number of degrees of rotation without a pause. At least one of the cameras comprises a data processor for performing the steps of preprocessing the image data, and calculating an alignment parameter for the vehicle based on the preprocessed image data.

A system for aligning a floor target to a vehicle for calibration of a sensor equipped on the vehicle includes a target adjustment frame with a base frame configured for placement on a floor and a target mount moveably mounted on the target adjustment frame, with the target mount configured to support a target. The target adjustment frame further includes an actuator configured to selectively move the target mount relative to the base frame, and includes a moveable floor target light projector configured to project a light line and be positioned relative to the vehicle. A floor target includes an alignment marker and a calibration pattern, where the alignment marker is configured to be aligned with the light line projected by the light projector to position the floor target relative to the vehicle.

A laser measurement system operates to identify locations of points of a vehicle in a three-dimensional space and determine whether the points of the vehicle are properly positioned. The laser measurement system includes a scanner device and a target device. The scanner device operates to generate a laser beam. The target device includes an optical detector configured to detect when the laser beam is directed at the target device and a position of the laser beam relative to the optical detector. The target device further includes a light control device configured to shape the laser beam directed to the optical detector of the target device.

A device for measuring the characteristic angles and dimensions of wheels, steering system and chassis of vehicles in general, comprising a plurality of three-dimensional optical readers which are functionally connected to a computer and can be arranged peripherally to a vehicle whose dimensions and characteristic angles of wheels, steering system and chassis are to be measured in such a manner that each one frames at least one wheel of the vehicle for the three-dimensional acquisition of an image of the wheel, each three-dimensional optical reader being provided with at least one fixed target for the setting and calibration of the measurement device, at least one camera of each three-dimensional optical reader being arranged in such a manner as to frame clearly and directly at least one fixed target of another three-dimensional optical reader for the setting and calibration of the measurement device by three-dimensional acquisitions of the fixed targets.

A vehicle wheel service system including a plurality of sensors positioned in proximity to a heavy-duty multi-axle vehicle, to measure angles associated with three or more axles of the vehicle without repositioning the mounting of the sensors after initiating a measurement procedure. Additional sensors, associated with a vehicle reference, such as the vehicle frame axis, are disposed to provide vehicle reference measurement data which is communicated to a processing system. The processing system is configured with software instructions to evaluate the measurement data and to determine various vehicle wheel alignment angle measurements and/or necessary vehicle adjustments for each axle relative to the vehicle reference or to a fixed axle having a determined relationship to the vehicle reference.

A vehicle measurement station utilizing at least one displacement sensor disposed on each opposite side of a sensor region of a vehicle inspection lane to acquire displacement measurement data, associated with a moving vehicle passing through the sensor region. Each displacement sensor is configured to acquire measurement data along at least three discrete and vertically spaced measurement axes. A processing system receives the acquired data for evaluation, identification of outlier data points, and for determining a measurement associated with a characteristic of the moving vehicle, such as vehicle velocity, axle alignment, wheel alignment, or dimensions.