？？ZHANG Q G,GREENWAY R B.Development and implementation of a NURBS curve motion interpolator[J].Robotics and Computer-Integrated Manufacturing,1998,14(1):27-36.
[2]
？？SHPITALNI M,KOREN Y,LO C C.Realtime curve interpolators[J].Computer-Aided Design，1994,26(11):832-838.
[3]
？？TIKHON M,KO T J,LEE S H,et al.NURBS interpolator for constant material removal rate in open NC machine tools[J].Machine Tools & Manufacture，2004,44(2-3):237-245.
[4]
？？CHENG M Y,TSAI M C,KUO J C.Real-time NURBS command generators for CNC servo controllers[J].Machine Tools & Manufacture，2002,42(7):801-813.
[5]
？？YANG D C,KONG T.Parametric interpolator versus linear interpolator for precision CNC machining[J].Computer-Aided Design，1994,26(3):225-233.
[6]
？？BEDI S,ALI I,QUAN N.Advanced interpolation techniques for NC machines[J].Journal of Engineering for Industry，1993,115(8):329-336.
[7]
？？YEH S S,HSU P L.Speed-controlled interpolator for machining parametric curves[J].Computer-Aided Design，1999,31(5):349-357.
[8]
？？YONG T,NARAYANASWAMI R.A parametric interpolator with confined chord errors,acceleration and deceleration for NC machining[J].Computer-Aided Design，2003,35(13):1249-1259.
[9]
？？YEH S S,HSU P L.Adaptive-feedrate interpolation for parametric curves with a confined chord error[J].Computer-Aided Design，2002,34(3):229-237.
[10]
？？PIEGL L A.On NURBS:a survey[J].IEEE Computer Graphics & Application，1991,11(1):55-71.
[11]
？？ZHU Xinxiong.Modeling technology for free curve and surface[M].Beijing:Science Press,2000(in Chinese).[朱心雄.自由曲线曲面造型技术[M].北京:科学出版社,2000.]
