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Research on Dynamic Loads of the Vehicle Wheels

Author: HuangZuo
Tutor: ZhaoYouQun
School: Nanjing University of Aeronautics and Astronautics
Course: Vehicle Engineering
Keywords: Road roughness Wheel Random dynamic loads Pseudo excitation method Inverse pseudo excitation method ADAMS
CLC: U461
Type: Master's thesis
Year: 2006
Downloads: 649
Quote: 7
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Abstract


In this paper, virtual excitation algorithm to study the impact of different factors on the wheel random dynamic loads . The main work of the paper is as follows : 1 . Applications pseudo excitation method , road roughness random input into a deterministic input analysis , on the basis of the degree of freedom model of the vehicle , the vehicle speed and road surface roughness on the wheel random dynamic load power spectral density and variance trends . Application of inverse pseudo excitation method , two degree of freedom model of the power spectral density of the random dynamic loads through the wheel and the vehicle system characteristics , reverse characteristics of the excitation spectrum of road roughness excitation spectrum . 3 . Proposed to adjust the speed for the road conditions can reduce wheel dynamic load , and asked the other decrease wheel dynamic load . 4 . Using ADAMS software simulation analysis the different hortative situation and the speed and other factors on the dynamic response of the wheel . In summary , this paper mainly studies the automobile wheel dynamic load inherent regularity analysis of pavement roughness and vehicle speed and other factors affect the dynamic load of automobile wheels . A role in the research on to reduce uneven road car wheel dynamic load , reduce road damage .

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CLC: > Transportation > Road transport > Automotive Engineering > Car theory
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