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| Analysis of vehiclewandering testing system |
| 1.School of Automotive Engineering, Wuhan University of Technology, Wuhan, Hubei 430070, China; 2.Hubei Key Laboratory of Advanced Technology for Automotive Components, Wuhan University of Technology, Wuhan, Hubei 430070, China |
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Abstract The twodimensional measuring method of vehicle driving wandering was proposed based on the laser ranging, and the testing principle and the general structure scheme were investigated. The possible influencing factors on testing error were analyzed, and the method for reducing testing error was discussed. Based on the actual need of online testing of offline vehicles, the system hardware and software were designed, and the online automatic testing system was developed. The test error was reduced by the improved test method and the hierarchical processing of test data, and the logical control of test points to the system was used to meet the demand of industrial test site with high precision, high strength, high efficiency and multitask test. The results show that the system with noncontact measurement method can realize automatic, accurate and rapid measurement of vehicle driving wandering. The test error of the system is less than 2 cm, which can meet the requirements of automobile manufacturer′s wandering detection.
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2018, Vol. 39 
