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Position: Home > Articles > Kinematical analysis of 7R spatial mechanism Journal of China Agricultural University 2004,9 (3) 57-59

空间7R机构的运动分析

作  者:
肖丽萍;靳桂萍;魏文军
单  位:
北京航空航天大学工程训练中心;中国农业大学工学院
关键词:
空间机构;7R机构;运动分析
摘  要:
提出了一种对空间 7R机构作全面运动分析的方法。利用向量回转法建立了空间 7R机构的数学模型 ,应用数值分析方法调用MATLAB函数对 7R机构进行了运动分析 ,解出并利用绘图函数表达了 7R机构任一杆上任意点的速度和加速度。应用实例分析了空间 7R机构任一杆上任意点的轨迹、速度及加速度 ,表明所提出的方法是可靠的 ,完全满足工程计算的精度要求
译  名:
Kinematical analysis of 7R spatial mechanism
作  者:
Xiao Liping 1, Jin Guiping 2, Wei Wenjun 1 (1 College of Engineering, China Agricultural University, Beijing 100083, China; 2 Engineer Training Center, Beijing University of Aeronautics and Astronautics, Beijing 100083, China)
关键词:
spatial mechanism; 7R mechanism; motion analysis
摘  要:
The method by which the movements of 7R mechanism can be analyzed all sidedly was introduced. The method of rotation vector was used to build the mathematical model of the 7R spatial mechanism. The kinematic quality of the 7R Mechanism was analyzed with the method of numerical differential and transferring function of MATLAB, the velocity and acceleration of any point on any link were figured out and expressed by the drawing functions. The trajectory, velocity and acceleration of any point on any link were analyzed through the examples. The results can be used as the fundation of theory when the other spatial mechanism is to be analysed.

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