YANG Kaiming,SHI Chuan,YE Peiqing, et al. Smooth transfer control algorithm for continuous segment trajectory in computer numerical control systems[J] Journal of Tsinghua University:Science and Technology,2007,47(8):1295-1299(in Chinese).[杨开明,石川,叶佩青,等.数控系统轨迹段光滑转接控制算法[J].清华大学学报:自然科学版,2007,47(8):1295-1299.]