国上清文大丝 Polynomials 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:2 rad/s 圆上泽夫通大学 Example solution For s,v,a(at least),values of rise and fall functions must match at their boundaries with the dwells with no discontinuities.This requires 6 boundary conditions for rise s .When 0=0,then s=0,v=0,a=0 When 0=B,,then s=h,v=0,a=0 6 boundary conditions for fall When 0=0,then s=h,v=0,a=0 ·When=β2,then s=0,v=0,a=0 B cam angle 0 2323 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 Polynomials example For s, v, a (at least) ,values of rise and fall functions must match at their boundaries with the dwells with no discontinuities. This requires : 6 boundary conditions for rise • When =0, then s=0,v=0,a=0 • When =1, then s=h,v=0,a=0 6 boundary conditions for fall • When =0, then s=h,v=0,a=0 • When =2, then s=0,v=0,a=0 Example solution