基于可變形車輪結(jié)構(gòu)的階梯攀爬機器人分析與越障研究
[Abstract]:As the typical representative of leading intelligent manufacturing and the key to promote the new industrial revolution, robot has been highly concerned by the whole world under the new wave of the global industrial revolution. As an important breakthrough in the development of China's robot industry, service robot has become a new trend in the future development of our country's robot industry. Based on the development of service robot in China, this paper presents an intelligent ladder climbing service robot with simple structure, easy control, low cost and stable operation. It provides an effective solution to the freight transportation problem in the uninstalled elevator floor and ladder environment. This paper mainly studies some key problems in the mechanical structure and obstacle movement of ladder climbing robot, including the analysis and motion simulation of robot mechanical system and deformable wheel mechanism, and the research on the obstacle surmounting and motion stability of robot. Virtual prototype test and physical prototype test. The main contents are as follows: firstly, the function module, transmission system, driving mode, wheel configuration, key mechanical mechanism and overall layout of the robot are introduced. The deformation motion and statics analysis of the deformable wheel walking mechanism are carried out under the Creo Parametric and ANSYS simulation platform, respectively. At the same time, the two motion modes of robot in different environments, wheeled motion mode and leg motion mode, are analyzed and studied. Secondly, the obstacle terrain in which the robot is located is extracted and simplified, and the geometric and mechanical conditions required for the robot to successfully cross the obstacle are studied, and on this basis, the movement of the robot in the typical terrain is analyzed. The dynamic model, climbing ability and critical stability angle of the robot are obtained. Finally, based on the virtual prototyping technology, the motion simulation of the robot in three typical obstacle environments is completed by using the ADAMS simulation platform. At the same time, the physical prototype of the ladder climbing robot is made. The performance of the robot was tested by prototype test. The design scheme and the actual performance of the robot are verified by virtual prototype test and physical prototype test. The results show that the ladder climbing robot based on deformable wheel structure has good performance of obstacle surmounting and motion stability. It can achieve the expected basic obstacle function and provide the theoretical basis for the optimal design of the robot.
【學(xué)位授予單位】:蘭州理工大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2016
【分類號】:TP242
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