WO1999023464A8 - Apparatus and method for determining axial stability - Google Patents

Apparatus and method for determining axial stability

Info

Publication number
WO1999023464A8
WO1999023464A8 PCT/US1998/023465 US9823465W WO9923464A8 WO 1999023464 A8 WO1999023464 A8 WO 1999023464A8 US 9823465 W US9823465 W US 9823465W WO 9923464 A8 WO9923464 A8 WO 9923464A8
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
vector
runout
stability
rearward
Prior art date
Application number
PCT/US1998/023465
Other languages
French (fr)
Other versions
WO1999023464A9 (en
WO1999023464A1 (en
Inventor
David Jackson
Donald J Christian
Hoshang Shroff
Bernie Jackson
Original Assignee
Snap On Tech Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Snap On Tech Inc filed Critical Snap On Tech Inc
Priority to CA002275670A priority Critical patent/CA2275670C/en
Priority to BR9806841-5A priority patent/BR9806841A/en
Priority to EP98956558A priority patent/EP0970361A4/en
Priority to JP52680799A priority patent/JP2001504237A/en
Priority to AU13056/99A priority patent/AU732066B2/en
Publication of WO1999023464A1 publication Critical patent/WO1999023464A1/en
Publication of WO1999023464A8 publication Critical patent/WO1999023464A8/en
Publication of WO1999023464A9 publication Critical patent/WO1999023464A9/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B11/275—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing wheel alignment
    • G01B11/2755—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing wheel alignment using photoelectric detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/06—Steering behaviour; Rolling behaviour
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/10—Wheel alignment
    • G01B2210/12—Method or fixture for calibrating the wheel aligner
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/10—Wheel alignment
    • G01B2210/14—One or more cameras or other optical devices capable of acquiring a two-dimensional image
    • G01B2210/143—One or more cameras on each side of a vehicle in the main embodiment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/10—Wheel alignment
    • G01B2210/26—Algorithms, instructions, databases, computerized methods and graphical user interfaces employed by a user in conjunction with the wheel aligner
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
    • G01B2210/10—Wheel alignment
    • G01B2210/30—Reference markings, reflector, scale or other passive device

Abstract

An apparatus and method for determining axial stability compares measured wheel runout and axial instability parameters with prescribed tolerances to determine if the wheel (101) suffers from excessive wheel play. Axial stability and runout are determined and displayed on a monitor screen (110) such that an alignment technician can quickly assess both the degree of present wheel misalignment and the feasibility of attempting to perform a realignment operation without first repairing worn or damaged suspension parts. The attitude and location of a wheel are measured with the wheel set in a first position (position 1) to determine a first vector having a predetermined relation to the wheel. The wheel is rolled back a number of degrees to a second position (position 2) and the attitude and location thereof are measured to determine a second vector also having the predetermined relation to the wheel. Rearward axis parameters including a rearward rotational axis vector and a rearward runout vector are determined based on the first and second vectors. The wheel is rolled forward to a third position (position 3) which is substantially equal to the first position and the attitude and location of the wheel are measured to determine a third vector also having the predetermined relation to the wheel. Forward axis parameters including a forward rotational axis vector and a forward runout vector, are determined based on the second and third vectors. Dynamic stability vectors including a rotational axis stability vector and a runout stability vector are determined based on the forward and rearward axis parameters.
PCT/US1998/023465 1997-11-05 1998-11-04 Apparatus and method for determining axial stability WO1999023464A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA002275670A CA2275670C (en) 1997-11-05 1998-11-04 Apparatus and method for determining axial stability
BR9806841-5A BR9806841A (en) 1997-11-05 1998-11-04 Apparatus and method for determining axial stability
EP98956558A EP0970361A4 (en) 1997-11-05 1998-11-04 Apparatus and method for determining axial stability
JP52680799A JP2001504237A (en) 1997-11-05 1998-11-04 Apparatus and method for determining axial stability
AU13056/99A AU732066B2 (en) 1997-11-05 1998-11-04 Apparatus and method for determining axial stability

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/965,032 US5969246A (en) 1995-10-10 1997-11-05 Apparatus and method for determining axial stability
US08/965,032 1997-11-05

Publications (3)

Publication Number Publication Date
WO1999023464A1 WO1999023464A1 (en) 1999-05-14
WO1999023464A8 true WO1999023464A8 (en) 1999-09-10
WO1999023464A9 WO1999023464A9 (en) 2000-03-30

Family

ID=25509349

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/023465 WO1999023464A1 (en) 1997-11-05 1998-11-04 Apparatus and method for determining axial stability

Country Status (8)

Country Link
US (1) US5969246A (en)
EP (1) EP0970361A4 (en)
JP (1) JP2001504237A (en)
KR (1) KR20000069865A (en)
AU (1) AU732066B2 (en)
BR (1) BR9806841A (en)
CA (1) CA2275670C (en)
WO (1) WO1999023464A1 (en)

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WO1997047943A1 (en) * 1996-06-14 1997-12-18 Kabushiki Kaisya Saginomiya Seisakusyo Wheel alignment measuring instrument and wheel alignment measuring
IT1294940B1 (en) * 1997-08-01 1999-04-23 Corghi Spa METHOD AND DEVICE TO ADJUST THE STRUCTURE OF A VEHICLE
US7065462B2 (en) * 1998-07-24 2006-06-20 Merilab, Inc. Vehicle wheel alignment by rotating vision sensor
DE19949704A1 (en) 1999-10-15 2001-05-10 Bosch Gmbh Robert Method and device for evaluating the play in bearings or joints of components coupled to one another
US6323776B1 (en) * 1999-12-21 2001-11-27 Snap-On Technologies, Inc. Method and apparatus of automatically identifying faults in a machine vision measuring system
IT1317228B1 (en) * 2000-04-12 2003-05-27 Gieffe Immobiliare S N C Di Gi PROCEDURE AND EQUIPMENT FOR THE VERIFICATION OF GAMES IN THE SUSPENSION AND STEERING OF A VEHICLE
JP4611488B2 (en) * 2000-04-21 2011-01-12 本田技研工業株式会社 Wheel runout measurement method
DE10022534A1 (en) * 2000-05-09 2001-11-15 Snap On Deutschland Holding Chassis measuring device and method for measuring a chassis
US6560883B2 (en) 2000-06-28 2003-05-13 Snap-On Technologies, Inc. Method and system for conducting wheel alignment
US6545750B2 (en) * 2001-01-11 2003-04-08 Bridgestone/Firestone North American Tire, Llc System for determining the dynamic orientation of a vehicle wheel plane
US6661505B2 (en) * 2001-06-28 2003-12-09 Snap-On Technologies, Inc. Method and system for measuring caster trail
US7302093B2 (en) * 2002-03-26 2007-11-27 Hunter Engineering Company Color vision vehicle wheel alignment system
AU2003228595A1 (en) * 2002-04-18 2003-11-03 Merilab, Inc. Vehicle wheel alignment by rotating vision sensor
US6871409B2 (en) 2002-12-18 2005-03-29 Snap-On Incorporated Gradient calculating camera board
WO2004111569A1 (en) * 2003-06-11 2004-12-23 Snap-On Incorporated Wheel alignment with surface-oriented runout determination
WO2005012832A1 (en) * 2003-07-31 2005-02-10 Snap-On Incorporated Vehicle wheel alignment adjustment method
DE10335829A1 (en) * 2003-08-05 2005-03-10 Siemens Ag Method for determining the axle geometry and sensor for carrying it out
US20050038580A1 (en) * 2003-08-15 2005-02-17 Seim Kerri Jean Information about structural integrity of vehicles
US20050060899A1 (en) * 2003-09-23 2005-03-24 Snap-On Technologies, Inc. Invisible target illuminators for 3D camera-based alignment systems
US20060095230A1 (en) * 2004-11-02 2006-05-04 Jeff Grier Method and system for enhancing machine diagnostics aids using statistical feedback
US7040029B1 (en) 2004-12-01 2006-05-09 Hunter Engineering Company Method for detection of vehicle movement during wheel alignment measurement
US7702126B2 (en) * 2004-12-15 2010-04-20 Hunter Engineering Company Vehicle lift measurement system
DE102005017624A1 (en) * 2005-04-15 2006-10-19 Robert Bosch Gmbh Wheel and/or axial geometry determining method for motor vehicle, involves determining 3-D image points that reproduce three-dimensional surface of object section and obtain wheel and/or reference and/or body characteristics
ITRE20050043A1 (en) * 2005-04-26 2006-10-27 Corghi Spa METHOD AND DEVICE FOR DETERMINING THE WHEEL STRUCTURE OF A VEHICLE
US7444752B2 (en) * 2005-09-28 2008-11-04 Hunter Engineering Company Method and apparatus for vehicle service system optical target
DE102005063083A1 (en) * 2005-12-29 2007-07-05 Robert Bosch Gmbh Optical chassis measurement method for use at test station, involves adapting sizes of object section after localization of interested object structures to different vehicle types and rim sizes
US7855783B2 (en) * 2007-09-18 2010-12-21 Snap-On Incorporated Integrated circuit image sensor for wheel alignment systems
DE102008001339A1 (en) * 2008-04-23 2009-10-29 Robert Bosch Gmbh Method and device for wheel alignment
US7974806B1 (en) 2008-09-09 2011-07-05 Hunter Engineering Company Method for rolling compensation with wheel-mounted sensors
CZ306973B6 (en) * 2009-05-26 2017-10-25 České Vysoké Učení Technické V Praze, Fakulta Dopravní, Ústav Dopravní Techniky A method of controlling the stability of a vehicle, in particular a utility vehicle, and a system for performing this method
CN101726420B (en) * 2009-11-15 2011-09-07 吉林大学 Three-freedom degree wheel positioning instrument target
RU2446387C1 (en) * 2010-08-20 2012-03-27 Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Сибирский Федеральный Университет" Method of determining operating conditions of automobile front axle
WO2012177385A2 (en) 2011-06-24 2012-12-27 Bridgestone Americas Tire Operations, Llc Wheel measurement apparatus
US9212907B2 (en) * 2012-04-27 2015-12-15 Snap-On Incorporated Short rolling runout compensation for vehicle wheel alignment
RU2518425C1 (en) * 2013-02-14 2014-06-10 Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Сибирский Федеральный Университет" Method for determination of technical actions parameters during vehicle wheels mounting
US20140253908A1 (en) * 2013-03-08 2014-09-11 Keith Lee Method, system and apparatus for assessing wheel condition on a vehicle
CN114034265B (en) 2015-10-06 2024-03-15 实耐宝公司 Self-calibrating wheel aligner with improved portability
US10480937B2 (en) * 2016-01-28 2019-11-19 Manatec Electronics Pvt. Ltd. System for simultaneous measurement of wheel alignment angles and wheel runout of multi-axle vehicles
CN107702713B (en) * 2017-09-30 2019-12-31 广东工贸职业技术学院 Wheel motion attitude monitoring method based on nine-axis sensor
WO2020056303A1 (en) 2018-09-13 2020-03-19 Snap-On Incorporated Automotive aligner with improved accuracy and no-stop positioning using a drive direction calculation

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Also Published As

Publication number Publication date
AU1305699A (en) 1999-05-24
CA2275670C (en) 2005-01-18
AU732066B2 (en) 2001-04-12
WO1999023464A9 (en) 2000-03-30
EP0970361A4 (en) 2002-10-16
EP0970361A1 (en) 2000-01-12
KR20000069865A (en) 2000-11-25
CA2275670A1 (en) 1999-05-14
WO1999023464A1 (en) 1999-05-14
US5969246A (en) 1999-10-19
BR9806841A (en) 2001-11-20
JP2001504237A (en) 2001-03-27

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