圈上海文通大华 Motion Diagram Example ▣ Problem: Consider the following cam design CEP specification > Dwell Low:at zero displacement for 900 >Rise:25mm in 900 >Dwell High:at 25mm for 900 >Fall:25mm in 900 >Cam rotation speed: 2πrad/s Solution:Using polynomial displacement function High Is good? Rise dwell Fall h Low dwell 0 0 圈上泽夫道大学 Example High ▣Naive Cam Design: Rise dwell Fall Low >Connect points using dwell 0 straight line e deg >Constant velocity Infinite acceleration and jerk Not an acceptable camo program 1111 Motion Diagram Example  Problem: Consider the following cam design CEP specification  Dwell Low: at zero displacement for 900  Rise: 25mm in 900  Dwell High: at 25mm for 900  Fall: 25mm in 900  Cam rotation speed: 2π rad/s Is good?  Solution: Using polynomial displacement function Example  Connect points using straight line  Constant velocity  Infinite acceleration and jerk  Not an acceptable cam program  Naive Cam Design: