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Differential Steering Simulation Research of Tracked Transportation Vehicle

Author: WangGuoMing
Tutor: WangDianLong
School: Dalian University of Technology
Course: Mechanical and Electronic Engineering
Keywords: Crawler transporter Differential steering MATLAB / Simulink simulation Theoretical ratio
CLC: U469.694
Type: Master's thesis
Year: 2011
Downloads: 124
Quote: 3
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Abstract


Along with Jiangsu coastal states million kilowatts of wind power projects to establish and carry out , beaches become China's wind power wind power characteristics. Intertidal mudflats as an important part , will undertake the task of building wind power . Lower ground bearing capacity and regular tides determines intertidal wind turbine transportation and installation become an urgent problem. Hydrostatic drive their smaller tracked vehicle ground pressure will become intertidal wind power equipment, the main means of transport . Steering issue has been tracked vehicle hydrostatic drive and most important issue facing technical difficulties , this article Dalian Heavy Crane Group Limited production LYC series crawler transporter as the research object , through the MATLAB / Simulink software platform established under the simulation model, the use of simulation analysis method to study the process in the differential steering performance parameters with the theoretical ratio of the variation for the vehicle steering control method and control strategy chosen to provide theoretical basis . Firstly , this paper analyzes the process of turning crawler transporter track ground mechanics, pump displacement control motor speed control system and engine dynamics derive various parts of the mathematical model . Secondly, in the MATLAB / Simulink software platform established under the three sections mentioned above simulation module , connected via a coupling factor will be the vehicle steering simulation model and parameter determination based on the real car model parameters . Then discuss the theoretical ratio changes, the vehicle steering track during the actual speed , steering speed and flexibility , torque characteristics of hydraulic components , hydraulic system pressure characteristics and performance parameters such as engine torque changes in consumption , derived variation , and comparative analysis of the theoretical maximum speed and vehicle load changes in the size of the relevant properties. Finally , the use of field trials established LABVIEW data acquisition system to record the test data . By comparing the analysis, the field test results and simulation results are basically the same trend , numerically insignificant, confirmed the simulation model established in this paper the rationality and reliability.

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CLC: > Transportation > Road transport > Automotive Engineering > A variety of automotive > Special Purpose Vehicle > Tracked vehicles , semi- tracked vehicles
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