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Analysis on the Lateral Stability of Tractor-Semi Trailer Running in a Curve

Author: WangDongJie
Tutor: SongNianXiu
School: Qingdao Technological University
Course: Vehicle Engineering
Keywords: Semitrailer Train Lateral stability Virtual Simulation Uniform test method Parameter optimization
CLC: U469.54
Type: Master's thesis
Year: 2008
Downloads: 34
Quote: 1
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Abstract


In recent years, the tractor - semitrailer as freight main models play an increasingly important role . Followed by a tractor - semitrailer driving safety and handling stability of problem . The lateral stability of the tractor - semitrailer related to vehicle safety and the smooth flow of traffic or not . The lateral stability of the research car train has important theoretical significance and value of engineering applications , to improve active safety car trains . On the basis of qualitative analysis of the domestic and foreign scholars and engineers and technicians , the use of the kinetic theory and virtual prototype simulation technology , the establishment of a mathematical model of tractor - semitrailer driving stability and steering of the tractor - semitrailer characteristics . Using ADAMS simulation software , virtual prototype tractor - semitrailer with 21 degrees of freedom . Establish virtual prototype tractor - semitrailer the curve driving limit conditions on the parameters and time change curve and limit conditions . Then the use of the latest methods of mathematical statistics - Quantitative analysis of the lateral stability of the structure and use of the parameters of the tractor - semitrailer uniform experiment , and to optimize its parameters . Select six have a greater impact on the lateral stability of the structure and use of parameters , each parameter set up eleven different yaw amplitude on the combination between the different levels of use of a uniform test method on six parameters optimized draw optimal yaw amplitude , and determines the main evaluation parameters related to the lateral stability . The resulting tractor - semitrailer parameter should be used to improve lateral stability .

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CLC: > Transportation > Road transport > Automotive Engineering > A variety of automotive > Tractor,trailer, tractor-trailer > Car train
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