3d absolute coordinatesof the points after the shift and rotation.
在转换和旋转后点的三维绝对坐标。
2
With the aid of the formula for the rotationof a vector and constraint equations for the connecting rod, the rotation Angle and the coordinatesof path points of the connecting rod can be obtained.
应用矢量旋转公式及连杆运动约束方程,我们可以求得连杆转角及连杆曲线上点的坐标值。
3
Expressions of velocities and accelerations in usual coordinates are simply derived by means of the composition formulae of velocity and acceleration in special rotation reference systems.