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Multi-Steering Auto Kinematic Analysis and Simulation

Author: YangXinMing
Tutor: XuDa
School: Wuhan University of Technology
Course: Vehicle Engineering
Keywords: Steering Multiaxial Optimization Simulation Trapezium mechanism Vertical transmission mechanism
CLC: U461
Type: Master's thesis
Year: 2003
Downloads: 663
Quote: 19
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Abstract


In recent years, due to the trend of special-purpose vehicles and engineering vehicles to large, heavy development, makes heavy and super-heavy vehicles has developed rapidly. Special Purpose Vehicle production abroad significantly by heavy majority, mainly due to the economic efficiency of heavy-duty vehicles and the power of heavy vehicles, high strength, the advantages of small private car can not be replaced. The national implementation of the expansion of domestic demand and the western development strategy, and provide a wider space for the development of China's automobile industry. West highway and infrastructure construction, the automotive market will play a strong role in boosting, especially for heavy goods vehicles, a variety of heavy special-purpose vehicles, mining vehicles, demand will significantly increase. The heavy-duty vehicle steering performance directly affects the maneuverability of vehicle handling and stability and economy. The steering process requires that all the wheels are in pure rolling without sliding state, or only a very small slip. Otherwise, the excessive slip will increase tire wear, increasing the cost of use of the vehicle. Heavy trucks for long, only the design of the steering linkage in order to meet the reasonable requirements of the relevant national standards on automobile minimum turning diameter. Reasonable steering linkage can reduce steering resistance, matched with the appropriate hydraulic power-assisted steering, lightweight steering purposes. In this paper, the relevant knowledge on automotive theory and link kinematics in digestion, absorption, induction, summarizes the results of the previous system, a comprehensive multi-axis turning car steering trapezoid, the longitudinal transmission mechanism theory analysis, the establishment of multi-axis steering vehicle movement model. On this basis, the first use of the main parameters of the optimization of the design ideas and methods of steering trapezoid steering linkage mechanism (Steering Trapezium main parameters for the the trapezoidal bottom corner and trapezoidal arm length; longitudinal transmission ratio of the transmission mechanism) to optimize the design . Then motion simulation software ADAMS (Automatic Dynamic Analysis of Mechanical System) to compare the results before and after optimization. Combination of Jianghan Oilfield Machinery Factory \

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