Patent application number | Description | Published |
20080250842 | Method for Optical Chassis Measurement - For optical chassis measurement of motor vehicles at a testing site that has at least one measuring unit having at least two imaging devices associated with one another in position and location, the measuring units are oriented with respect to the testing site with reference characteristics located fixedly at the testing site, evaluation in an evaluation device is effected on a basis orientation data and associated data obtained, for determining chassis data of a motor vehicle, in addition to the reference characteristics located fixedly at the testing site, at least one reference device is positioned which is usable in mobile fashion at the testing site with reference characteristics, and with a totality of reference characteristics in the evaluation device, the orientation data and the association data of the measuring units are obtained, and thus a common measuring station coordinate system is defined. | 10-16-2008 |
20080319706 | Method for the Determination of the Wheel Geometry and/or Axle Geometry of Motor Vehicles - The invention relates to a method for determining the wheel geometry and/or axle geometry of motor vehicles by means of an optical measuring apparatus. According to said method, at least two recording points are assigned to each other and are referenced in relation to the measuring space with the aid of an image recording system, optionally taking into account reference characteristics and vehicle body characteristics, an object segment ( | 12-25-2008 |
20090312966 | Method for testing a vibration damper of a motor vehicle in the installed state, and vibration damper-test system for a motor vehicle - A method for checking a vibration damper of a motor vehicle in the installed state includes setting start values of the damping constant kA, the spring rate cA, and the body mass mA for a wheel of a motor vehicle; inducing a vertical vibration of the motor vehicle with the aid of a defined excitation sR | 12-17-2009 |
20100060885 | Method and device for performing optical suspension measurement - The invention relates to a method for optically measuring an undercarriage and/or for dynamically testing undercarriage components of a motor vehicle ( | 03-11-2010 |
20110050855 | OPTICAL MEASURING DEVICE WITH TWO CAMERA UNITS - The invention relates to an optical measurement device with an image acquisition unit, which has at least two camera units ( | 03-03-2011 |
20110052041 | METHOD FOR DETERMINING THE ROTATIONAL AXIS AND THE CENTER OF ROTATION OF A VEHICLE WHEEL - The invention relates to a method for determining the rotational axis and the rotating center of a vehicle wheel by means of at least two image capture units assigned to each other in position and situation during the journey of the vehicle, and by means of an analysis unit arranged downstream of said units, processing the recorded image information, taking into account multiple wheel features ( | 03-03-2011 |
20110058581 | Measuring station for measuring vehicles - A measuring station for measuring vehicles has at least one laser source, which emits laser radiation ( | 03-10-2011 |
20110100107 | METHOD AND DEVICE FOR WHEEL SUSPENSION ALIGNMENT - A method according for wheel suspension alignment includes the following: providing a wheel suspension alignment system having four measuring heads situated in a known position with respect to one another, of which each has a monocular picture recording device; recording at least three geometrical details of one wheel, respectively, of a vehicle standing in an initial position, using each of the four measuring heads; carrying out a relative motion between the vehicle, on the one hand, and the measuring heads, on the other hand, from the initial position (A) into at least one further position (E), the relative position of the measuring heads with respect to one another being known; recording at least three geometrical details of one wheel, respectively, of the vehicle standing in the further position (E), using each of the four measuring heads; carrying out local 3D reconstructions for determining the translation vectors, the rotation vectors and the wheel rotational angles between the at least two positions, as well as of the wheel rotational centers and the wheel rotational axes of the wheels from the recorded geometrical details; determining a global scale for the measuring heads by scaling the translation vectors of the wheels, so that the translation vectors have the same length; and determining the camber, the single toe and/or the total toe of the vehicle. | 05-05-2011 |
20110187851 | CHASSIS-MEASURING SYSTEM AS WELL AS METHOD FOR DETERMINING THE POSITION PARAMETERS OF MEASURING HEADS OF A CHASSIS-MEASURING SYSTEM - A chassis measuring system according to the invention includes at least one pair of first and second measuring heads ( | 08-04-2011 |
20110221867 | method and device for optically aligning the axels of motor vehicles - A method and a device are provided for the optical axle alignment of wheels of a motor vehicle. At the wheels that are to be aligned, targets are mounted, having optically recordable marks, the targets being recordable by measuring units that have stereo camera devices. In a referencing process, using a referencing device that is integrated into the measuring units, a measuring position reference system is established for the measuring units. In a calibration process, in which a local 3D coordinate system is established using at least three marks of the target, the determination of a reference plane is carried out, using a significant mark of the target. Finally, using the reference plane, a vehicle longitudinal center plane is ascertained, while taking into account the measuring location reference system. In a subsequent measuring process, an image is recorded of at least three indeterminate marks taken during the calibration process, and their spatial position is ascertained in the local 3D coordinate system by the evaluation unit. | 09-15-2011 |
20110265337 | Unit of at least two target arrangements for optically measuring an axle and device for optically measuring an axle - A set according of target assemblages for optical chassis measurement encompasses at least two target assemblages that are each provided for mounting on a wheel of a motor vehicle, as well as a respective target and a target holder having a target receptacle on which the target is mounted. Each of the target holders is mountable on a wheel of a motor vehicle in such a way that the target is oriented at an angle to the wheel center plane. A significant mark and at least two further undetermined marks are disposed on the target, and the spacing of the significant mark from a reference plane of the respective target assemblage is unknown, but the same in each case for all target assemblages. | 11-03-2011 |
20110302795 | TARGET SYSTEM, SET OF TARGET SYSTEMS AND DEVICE FOR OPTICALLY ALIGNING AN AXLE - A target system for optical chassis alignment includes a target and a target mounting element having a target receiving element to which the target is attached. The target mounting element is attachable to a wheel of a motor vehicle so that the target is aligned at an angle to the wheel center plane. A significant mark at a known distance from a reference plane and at least two additional undetermined marks are situated on the target. | 12-15-2011 |
20110308309 | METHOD FOR WHEEL SUSPENSION MEASUREMENT AND A DEVICE FOR MEASURING THE WHEEL SUSPENSION GEOMETRY OF A VEHICLE - In a method for wheel suspension alignment, the following steps are carried out: providing a wheel suspension alignment system having four measuring heads situated in a known position with respect to one another, of which each has a monocular picture recording device, the relative position of the measuring heads with respect to one another being known; recording in each case one wheel or a measuring target mounted on it in an initial position of the vehicle, using each of the four measuring heads; shifting the vehicle from the initial position to at least one further position; recording in each case one wheel, or a measuring target mounted on it, of the vehicle standing in the further position, using each of the four measuring heads; recording a reference target having a known pattern mounted on the vehicle, using one of the four measuring heads in at least one of the initial position and the further position of the vehicle, and determining from this an absolute scale for the measuring heads; carrying out local 3D reconstructions for determining the translation vectors, the rotation vectors and the wheel rotational angles between the at least two positions, as well as the wheel rotational centers and the wheel rotational axes of the wheels; and determining the wheel suspension alignment parameters of the vehicle, especially the camber, the single toe and/or the total toe, the wheelbase and the tread width. | 12-22-2011 |
20120007958 | METHOD FOR MEASURING A CHASSIS AND DEVICE FOR MEASURING THE CHASSIS GEOMETRY OF A MOTOR VEHICLE - A method and device are described for measuring a chassis and for measuring the chassis geometry of a vehicle, which includes providing a chassis measurement system having four measurement heads situated in known positions relative to one another, of which each has a monocular image recording device, the position of the measurement heads relative to one another being known, and the distance of the front measurement heads from one another differing from the distance of the rear measurement heads from one another; recording a respective front wheel, or a measurement target attached thereto, in at least one first run-in position of the vehicle using the rear measurement heads; recording the four wheels, or the measurement targets attached thereto, using each of the four measurement heads, in a first main measurement position and in a second main measurement position of the vehicle; carrying out local 3D reconstructions in order to determine the translation vectors, the rotation vectors, and the wheel angles of rotation between these positions, and the centers of rotation and axes of rotation of the wheels, from the recorded images of the wheels or the measurement targets attached thereto; adapting the local scales to a common, global scale via the vehicle movement; transferring the global scale from the main measurement to the run-in measurement; determining an absolute scale for the measurement heads from the measurements of the front wheels, or the measurement targets attached thereto, in the run-in positions and in the main measurement positions; and determining the chassis measurement parameters of the vehicle, including camber, partial toe, and/or total toe. | 01-12-2012 |
20120218565 | LAZER PROJECTOR FOR CHASSIS ALIGNMENT - A laser projector for chassis alignment has a laser light source emitting a laser light beam, an optical element which generates a structured laser light pattern when it is irradiated by the laser light beam, a detector which is situated in such a way that it is irradiated by a sub-area of the structured laser light pattern and generates an output signal which is correlated with the radiation, and an evaluation unit which compares the output signal generated by the detector with at least one predefined setpoint value and turns off the laser light source if it detects a significant deviation of the output signal from the setpoint value. | 08-30-2012 |
20130089233 | METHOD FOR DETERMINING THE TUMBLING MOTION OF A VEHICLE WHEEL - A method for determining the tumbling motion of a vehicle wheel and/or a measurement object attached to the vehicle wheel in the context of an axle measurement. The tumbling motion is executed relative to the precise wheel axis of rotation of the vehicle wheel and at least one orientation value is determined between, the precise wheel axis of rotation and a reference axis. Using at least one image recording unit, at least two wheel features that are present on the vehicle wheel or are attached for the measurement are acquired as the vehicle travels past and are evaluated by an evaluation device situated downstream. Using the wheel features recorded as the vehicle travels past, a wheel coordinate system and a feature coordinate system are determined. The wheel coordinate system and the feature coordinate system are set into relation to one another in order to determine the orientation value. | 04-11-2013 |
20130226394 | MOTOR VEHICLE TEST DEVICE AND MOTOR VEHICLE TEST METHOD - A motor vehicle test device and a motor vehicle test method are described. The motor vehicle test device includes a control unit for controlling a predefined test sequence; an operator interface device; and at least one measuring device for measuring at least one vehicle parameter. The motor vehicle test device has a vehicle communication interface and diagnosis software. The control device is developed in such a way that it is able to communicate with at least one control unit of the motor vehicle via the vehicle communication interface. | 08-29-2013 |
20130238670 | Motor vehicle inspection device and method for identifying motor vehicles - A method for identifying a motor vehicle for a plurality of motor vehicle inspection devices, including ascertaining a distinct characteristic of the motor vehicle; ascertaining basic identification data of the motor vehicle; storing the distinct characteristic and the basic identification data in an identification data set for this motor vehicle on a storage medium; identifying the identification data set associated with the motor vehicle on the storage medium based on the distinct characteristic with a first of the plurality of motor vehicle inspection devices; reading out the identified identification data set of the motor vehicle from the storage medium; ascertaining first identification data of the motor vehicle, which are specific to the first of the plurality of motor vehicle inspection devices; supplementing the read-out identification data set by the first identification data; storing the supplemented identification data set on the storage medium; identifying the identification data set associated with the motor vehicle on the storage medium based on the distinct characteristic with a second of the plurality of motor vehicle inspection devices; reading out the identified identification data set of the motor vehicle from the storage medium; ascertaining second identification data of the motor vehicle, which are specific for the second of the plurality of motor vehicle inspection devices; supplementing the read-out identification data set by the second identification data; and storing the supplemented identification data set on the storage medium. | 09-12-2013 |
20130335739 | measuring device for measuring particulate matter concentrations using scattered light and method for monitoring the measuring device - A measuring unit for measuring a particulate concentration in exhaust gases using scattered light includes a measuring chamber, at least one light source and at least one light sensor, the measuring chamber being situated in the optical path of the light source; and the light sensor records the light scattered by the particulates in the measuring chamber. To detect the intensity of light beam that is relevant for a precise particulate measurement, a monitoring device is provided to detect the intensity of the light beam with the aid of a scattered radiation. The intensity of the light beam is recorded using a monitoring measurement, by ascertaining a scattered radiation and comparing it to a specified reference value for the scattered radiation. With the aid of the comparison, the intensity of the light source is regulated correspondingly and/or the measuring result of the particulate measurement is correspondingly corrected. | 12-19-2013 |
20140052329 | SYSTEM AND METHOD FOR IDENTIFYING, DIAGNOSING, MAINTAINING, AND REPAIRING A VEHICLE - A method for diagnosing and maintaining a vehicle at a repair shop includes connecting a first vehicle inspection device to a first work station and selecting a mobile VCI which is provided a detection software component situated on a central repair shop server and a central diagnostic device; connecting the VCI to the vehicle; establishing a communication between the VCI and the diagnostic device; storing vehicle identification data in the VCI via the diagnostic device; performing a first set of vehicle inspections using the first vehicle inspection device and/or the VCI; disconnecting the first vehicle inspection device from the vehicle; connecting a second vehicle inspection device to the vehicle; reading out the identification data from the VCI into the second vehicle inspection device at a second work station via the diagnostic device; and performing a second set of vehicle inspections using the second vehicle inspection device and/or the VCI. | 02-20-2014 |
20140074344 | MOBILE COMMUNICATION INTERFACE, SYSTEM HAVING A MOBILE COMMUNICATION INTERFACE, AND METHOD FOR IDENTIFYING, DIAGNOSING, MAINTAINING, AND REPAIRING A VEHICLE - A method for identifying, diagnosing, maintaining, and repairing a vehicle in a repair shop, including the steps of connecting a mobile communication interface (VCI) to the vehicle and connecting a first vehicle inspection device at least to the VCI at a first work station; detecting identification data for the vehicle using the first vehicle inspection device and storing the identification data for the vehicle in the VCI; carrying out the first set of inspections of the vehicle using the first vehicle inspection device and/or the VCI; disconnecting the first vehicle inspection device from the vehicle; connecting a second vehicle inspection device to the vehicle, reading out the identification data from the VCI into the second vehicle inspection device at a second work station, and carrying out a second set of inspections of the vehicle using the second vehicle inspection device and/or the VCI connected to the vehicle. | 03-13-2014 |
20140188331 | Mobile communication interface, system having a mobile communication interface, and method for identifying, diagnosing, maintaining, and repairing a vehicle - A method for identifying and diagnosing a vehicle includes: storing customer, vehicle, and repair shop order data of the vehicle in a work data memory device of a mobile communication interface; connecting the mobile communication interface to the vehicle and connecting a first vehicle inspection device at least to the mobile communication interface at a first work station; carrying out a first set of inspections on the vehicle using the first vehicle inspection device and/or the mobile communication interface; carrying out a second set of inspections on the vehicle using a second vehicle inspection device and/or the mobile communication interface on the basis of the first inspection results; and storing the customer, vehicle, and repair shop order data as well as the first and second inspection results of the vehicle into the central customer database. | 07-03-2014 |
20140232852 | OPTICAL DEVICE AND METHOD FOR INSPECTING TIRES - A method for tire inspection which includes taking at least one image of at least one first area of a tread of a tire that is to be inspected; determining the profile depth of a second area of the tread of the tire, the second area being included in the first area; and displaying the profile depth of the at least one image of the at least one first area and the position of the second area in the first area. The method may additionally include automatically analyzing the images taken of the tread, so as to arrive at statements on the condition of the tread. | 08-21-2014 |
20140236416 | method and system for automatically establishing a communication connection to a vehicle - A method for automatically establishing a communication connection to a vehicle at a repair shop work station, including the tasks of connecting a plurality of mobile communication interfaces to one of a plurality of vehicles, establishing biunique assignments of the vehicles to the particular mobile communication interfaces connected to the vehicles, one of the tasks of automatically detecting identification data of one of the plurality of mobile communication interfaces and/or of the particular assigned vehicle, which are located at the repair shop work station, or automatically detecting position coordinates of the plurality of mobile communication interfaces; transmitting the identification data or position coordinates to a vehicle testing device at the repair shop work station, and automatically establishing a communication connection between the vehicle testing device and the mobile communication interface located at the repair shop work station based on the detected identification data or the detected position coordinates. | 08-21-2014 |