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Based on ADAMS vehicle handling and stability of multi-axis

Author: YangHaiQin
Tutor: YangBo
School: Wuhan University of Technology
Course: Vehicle Engineering
Keywords: Multi-axis heavy vehicles Handling and stability ADAMS / Car Virtual Simulation
CLC: U461.6
Type: Master's thesis
Year: 2011
Downloads: 373
Quote: 6
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Abstract


Based on multi-body dynamics software ADAMS / Car modules to a heavy-duty off-road vehicles as a reference object, the establishment of the reference object like multi-body dynamics model of heavy-duty vehicles. By manipulating the stability test simulation, analysis of the different steering modes multiaxial vehicle handling and stability of its impact. Meanwhile, exploratory, by small cars virtual prototype simulation test on elastic properties of the frame of the car stable operation performance issues are analyzed. This multi-axis drive to improve the steering stability as its ultimate aim to explain the development of multi-axis and multi-axis heavy vehicle steering technology principle and international development and research profile; After analyzing the ordinary two-axle vehicle handling and stability of the main factors based on further analysis of the multi-axis heavy vehicles due to the special structure of the unique handling and stability factors, and using ADAMS / Car model module including the establishment of axles, frame model, model wheels, steering system model, power system models and subsystems such as the suspension of the reference object model virtual prototype model; handling and stability testing according to national standards, the establishment of vehicle steering stability test model of the virtual prototype simulation analysis: In the post-processing module, through editing of test data, and then comparing the simulation results, obtained the optimal vehicle performance multi-axis steering modes, all-wheel steering mode allows the vehicle has better adaptability and steering stability: low speed, to ensure the vehicle has a smaller turning radius, is to enhance the vehicle at low speed through the performance; high speed, to ensure the stability of the vehicle. In addition, this paper ADAMS / View module to establish a simple virtual prototype model small car through the car's steering stability simulation and virtual prototyping contrast to the small car handling and stability test simulation data, concluded that the elastic properties of the frame the establishment of a car steering stability exist not only in the transient response of a certain influence in steering stability of the steady-state response also exist a more significant impact. Mentioned in the following chapters based frame affect vehicle handling and stability characteristics of the theory, the paper work done to verify the theoretical part. But the elastic properties of the frame on the vehicle handling and stability of a more realistic response has yet to be studied. Also, this is the frame of heavy vehicle handling and stability characteristics of the impact of research and heavy vehicle stability performance improvement multiaxial laid a basis for further study. Conclusions of this study are based on specific models available, with some practical significance, the paper work and conclusions of the study demonstrated the value and significance.

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CLC: > Transportation > Road transport > Automotive Engineering > Car theory > Vehicle handling and stability
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