The relationship between the harmonic component of the coupler curves and the harmonic component of the rotation-angle function and the dimensional type of sphericalfour-barmechanism is discovered.
借助傅里叶级数理论建立球面四杆机构处于空间任意位置时连杆曲线的数学方程。
2
Starting off from the theory of spherical triangle, an analysis was carried out on the relation between component twist angle of sphericalfour-bar linkage and circuit of mechanism.
从球面三角理论出发,对球面四杆机构构件扭角和机构回路的关系进行分析;
3
Rotation angle symbol method to identify circuit and branch of sphericalfourbar is presented in this paper. Finally, the method about application to spatial first group mechanism is elaborated.