基于虛擬樣機(jī)技術(shù)的協(xié)作機(jī)器人運(yùn)動(dòng)學(xué)與動(dòng)力學(xué)研究
[Abstract]:"Smart Factory", "Unmanned Factory" in the industrial 4.0 era has become a hot word, and is considered the highest level of automation. With the State Council's "made in China 2025" plan published in May 2015, industrial robots are listed as one of the top ten key areas of development. From traditional industrial robot to cooperative robot, this is an important breakthrough in the development of industrial robot. In this paper, the kinematics, dynamics and trajectory planning of a six-degree-of-freedom cooperative robot are analyzed and studied by using virtual prototyping technology. The control model of PDG is designed, and the joint control simulation is carried out. It has important use and reference value for the design of cooperative robot and the research of force control. The main contents of this paper are as follows: (1) this paper takes OUR-i5 light cooperative robot of Beijing Intelligent Science and Technology Co., Ltd. as the research object, and completes the modular modeling and physical parameter extraction of the components of the collaboration robot by using SOLIDWORKS software. The overall model of the cooperative robot is imported into Adams software to construct the virtual prototype model. According to the structural parameters and characteristics of the cooperative robot, the improved Denavit-Hartenberg (D-H) method is used to model the cooperative robot. The forward kinematics and inverse kinematics of the cooperative robot are analyzed and studied. The kinematics simulation of the cooperative robot is carried out in Adams software. The kinematics calculation algorithm is programmed by MATLAB software. Through kinematics analysis, the Jacobian matrix and its action of the cooperative robot are studied in detail. (2) the dynamic mathematical model of the cooperative robot is derived by using Lagrange dynamics method. The dynamic calculation algorithm of the cooperative robot is programmed by MATLAB software. It lays a foundation for the dynamics research of the robot. (3) on the basis of kinematics analysis, the cubic polynomial interpolation method is used. The joint space trajectory planning and Descartes space trajectory planning are carried out by five polynomial interpolation method and linear interpolation method respectively. Using the toolbox of MATLAB Robotic toolbox to program, simulate the motion process of the cooperative robot, draw the track of the work, and intuitively verify the feasibility and effectiveness of the trajectory planning method. (4) the controls module is derived by Adams software. Combined with the derived dynamic mathematical model, the PDG control model is established in Simulink and the joint simulation analysis is carried out, which lays a true and reliable foundation for the research of the machine's human control system.
【學(xué)位授予單位】:山東農(nóng)業(yè)大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:TP242
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