第二节数控系统的基本原理 循环序号 偏密显示图片.空标进绮 偏差计算 坐标计算 终点判别 中≥0 一X F=F 2x+1 -y-习 <0 +y FH=E+2%+1 F6=0 6=4,6=3 J=6 1 6=0 一x F=0-2×4+1=-7 x=3,片=3 J=5 2 FF-7<0 +y E=-7+2×3+1=0 五=3,2=4 J=4 3 =0 X 6=0-2×3+1=-5 为=2，为=4 J=B 4 F=5<0 +y E=5+2×4+1=4 x4=2,4=5 J=2 55 F=4>0 F=4-2×2+1=1 5=1,片=5 J=1 F=1>0 t F6=1-2×1+1=0 x6=0,%=5 J=0 主页 目录 上一页 下一页 后退 退出 第二节 数控系统的基本原理 6 5 4 3 2 1 0 循环序号 偏差判别 坐标进给 偏差计算 坐标计算 终点判别 Fi+1 = Fi 2xi +1 F<0 F ≥ 0 F0 = 0 F1 = -7 <0 F2 = 0 F3 = -5 < 0 4 0 4 F = > 1 0 5 F = > Fi+1 =Fi +2yi +1 F0 = 0 F1 = 0 -2 4 +1 = -7 F2 = -7 +2 3 +1 = 0 F3 = 0 -2 3 +1 = -5 F4 =-5 +2 4 +1=4 F5 = 4 - 2 2 +1 =1 F6 = 1 - 2 ×1 +1 = 0 × × × × × x0 = 4, y0 =3 x1 = 3, y1 = 3 x2 =3, y2 = 4 x3 = 2, y3 = 4 x4 = 2, y4 =5 x5 =1, y5 = 5 x6 =0, y6 =5 J = 6 J =5 J = 4 J = 3 J = 2 J =1 J =0 - x + y - x + y - x - x + y - x 6 5 4 3 2 1 0 偏差判别 坐标进给 偏差计算 坐标计算 终点判别 E S E s J x x y y _ _ = +