动点动系选择的唯一准则

The Sole Criterion of the Choice of Moving Point and Its Reference Coordinate

解决机构传动点的复合运动问题 ,动点动系选择是首要关键。选择的唯一准则是相对轨迹清楚。本文明确具体地论述了各种不同情况动点动系的选择 ,并以实例说明错误选择导致的后果。

The key to the choice of moving point and its reference coordinate lies in solving the problem about the combined movement of point in mechanism transmission.The only criterion of the choice is that the relative orbit is clear. This paper not only discusses exactly the choice of moving point and moving reference coordinate in many different circumstances, but also shows through the the examples the result due to an incorrect choice.