逐点比较法圆弧插补 脉冲 偏差判别 进给方 个数 向 偏差计算 坐标计算 终点判别 0 F0=0 X0=XA=10 n=0N12 Yo=YA-0 1 F0=0 -X F1=F0-2X0t1= X1=X0-1=9 n=1<N 0-2×10+1=-1 Y1=Y0=0 9 2 f1=19< +Y F2=F1+2Y1+1= X2=X1=9 n=2<N 0 -19+2×0+1=-18 Y2=Y1+1=1 3 F2=-18< +Y F3=F2+2Y2+1= X3=X2=9 n=3<N 0 -18+2×1+1=-15 Y3=Y2+1=2 4 F3=-15< +Y F4=F3+2Y3t1= X4=X3=9 n=4<N 0 -15+2×2+1=-10 Y4=Y3+1=3 5 F4=-10< +Y F5=F4+2Y4+1= X5=X4-9 n=5<N 0 -10+2×3+1=-3 Y5=Y4+1=4 1616 脉冲 个数 偏差判别 进给方 向 偏差计算 坐标计算 终点判别 0 F0 = 0 X0 = XA=10 Y0 = YA=0 n=0；N=12 1 F0 = 0 - X F1 = F0 –2X0+1= 0-2× 10+1=-1 9 X1 = X0 -1=9 Y1 = Y0=0 n=1＜N 2 F1 = -19 ＜ 0 +Y F2 = F1 +2Y1+1= -19+2× 0+1=-18 X2= X1=9 Y2 = Y1+1=1 n=2＜N 3 F2 = -18 ＜ 0 +Y F3 = F2 +2Y2+1= -18+2× 1+1=-15 X3= X2=9 Y3 = Y2+1=2 n=3＜N 4 F3 = -15 ＜ 0 +Y F4 = F3 +2Y3+1= -15+2× 2+1=-10 X4= X3=9 Y4 = Y3+1=3 n=4＜N 5 F4 = -10 ＜ 0 +Y F5 = F4 +2Y4+1= -10+2× 3+1=-3 X5= X4=9 Y5 = Y4+1=4 n=5＜N 逐点比较法圆弧插补