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The Dynamic Simulation of Leveling Mechanism of Aerial Work Platform

Author: GuDeJun
Tutor: ZhaoFuLing
School: Dalian University of Technology
Course: Mechanical Manufacturing and Automation
Keywords: Aerial Leveling device Machine coupling liquid ADAMS
CLC: TP391.9
Type: Master's thesis
Year: 2008
Downloads: 412
Quote: 10
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Abstract


With aerial vehicles is a widely used , its key technologies are also more and more deeply . Aerial work platform to ensure a level of aerial vehicles is one of the key technologies , which directly affects the safety of the staff . In this paper, using the ADAMS simulation software, aerial vehicles double cylinder series -leveling method for simulation optimization, leveling hinge point for the optimal design of a new approach to achieve the desired results. For current aerial vehicles alight few studies leveling device , hydraulic system parameters and dynamic characteristics of the working platform is difficult to determine the problem, get off the leveling device simulation research, new product design and development to provide a method and theoretical basis . In this paper, School of Mechanical Engineering , Dalian University of Technology and Beijing Jingcheng Heavy Industry Co., Ltd. jointly developed GTBZ series of self-propelled aerial vehicles arm actual project as background, completed the following elements: ( a ) for aerial work platforms double cylinder by way of a series -leveling careful study , we propose a generic software environment in ADAMS hinge point position for three new calculation method for optimization . Optimization results the leveling accuracy has been greatly improved. ( 2 ) using a variety of CAD, CAE software to build a virtual aerial vehicle prototype model used in the past to get off on the basis of the introduction of rigid connection off leveling mechanism is proposed off leveling system mechanical, hydraulic and method for establishing the control system , and co-simulation with MATLAB . The self-propelled aerial vehicles operating adaptability has been greatly improved . ( 3 ) for the analysis of two typical operating conditions of the hydraulic system components, data curve and working platform vibration curve . The results showed that adding stop leveling device can effectively reduce the working platform swings , to improve the safety of personnel and job adaptability aerial vehicles have important practical significance. ( 4 ) through the system stability analysis and comparison of test data to verify the correctness of the simulation . The results can be used to guide the actual design .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Computer simulation
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