圈上海文通大华 Polynomials Generally,one must start with at least a 3rd-degree polynomial(多项式)for the functions.. >Prevents discontinuities in s,v,a Can be applied to most CAM applications 口General form: s=Co+Cx+C2x2+Cx3+...+Cx" s=follower displacement x=independent variable (=0/B) C;unknown constant coefficients determined to suit design specification 圈上泽夫道大学 Polynomials Degree of polynomial:highest power present in any term Polynomial of degree n,has n+/terms Degree of polynomial of cam determined by Boundary conditions specified on s v a j diagrams For k boundary conditions,there will be >k equations >k unknowns >K-I degree of polynomial 2222 Polynomials  Can be applied to most CAM applications  General form: n n s  C C x C x C x ...C x 3 3 2 0 1 2 s = follower displacement x = independent variable  Ci = unknown constant coefficients determined to suit design specification  Generally, one must start with at least a 3rd-degree polynomial (多项式)for the functions.  Prevents discontinuities in s, v, a  Degree of polynomial: highest power present in any term  Polynomial of degree n, has n+1 terms  Degree of polynomial of cam determined by Boundary conditions specified on s v a j diagrams  For k boundary conditions, there will be  k equations  k unknowns  k-1 degree of polynomial Polynomials