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Study for the Independent Suspension System of an Off-road Vehicle Based on ADAMS

Author: ChengKang
Tutor: DengYaDong
School: Wuhan University of Technology
Course: Vehicle Engineering
Keywords: Off-road vehicles Independent Suspension Ride comfort Specific conditions simulation
CLC: U463.33
Type: Master's thesis
Year: 2011
Downloads: 213
Quote: 0
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Abstract


People are increasingly concerned at the same time concerned about the car ride , ride off-road vehicles . Suspension pass device as a variety of forces and moments between the tire and the body , and its performance is good or bad affect vehicle traveling ride most important , the most direct factor . The vehicle suspension system is divided into the study of the dynamics of the suspension system and suspension kinematics elastic kinematics . Suspension System Dynamics suspension elastic element and damping the mechanical properties of the original research , the main purpose of this direction is to improve vehicle ride comfort . This article mainly Taiwan and Vietnam independent suspension system dynamics around off-road vehicles and off-road vehicles , and simulation analysis of more ditch and climb steep slopes and other specific conditions must elaborate . In this paper, the virtual prototyping software ADAMS CAR module , the establishment of the model include double - wishbone front suspension , double wishbone rear suspension models , recirculating ball steering system model , stabilizer bar model , people chair model , body , -wheel drive vehicle , including model and UA tire model multi-body dynamics model ; car front and rear suspension lower wishbone and stabilizer bar consider flexible body in ANSYS its flexible handling , and through ADAMS interface to generate flexible body in ADAMS, which establish the model of rigid-flexible coupling model of the vehicle front and rear suspension . The paper describes the human response to vibration and vehicle ride comfort evaluation method using ADAMS / CAR -based the sayers digital road model generation tool to generate a random road ride on the the rigid vehicle models and rigid-flexible coupling vehicle model random input simulation, import matlab prepared ride evaluation procedures and results , both ride comfort evaluation and analysis ; pulse input of a two - vehicle model simulation , rigid-flexible coupling model simulation results further comparative analysis of the two models ride ; flexible body elasticity of vehicle ride comfort and vehicle model to improve the accuracy . The complexity of the off-road vehicle driving conditions , by the specific conditions of the vertical steps , ditches , steep off-road -vehicle dynamics model simulation .

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CLC: > Transportation > Road transport > Automotive Engineering > Automotive structural components > Travel System > Suspension
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