承担的科研项目：
· 2013年-2015年与工艺融合的高端多轴加工工艺与编程方法研究，“高档数控机床与基础制造装备”科技重大专项
· 2012年-2014年智能化高档数控系统关键技术研究及应用，国家科技支撑计划
· 2012年-2014年开放式高档数控系统、伺服装置和电机成套产品开发与综合验证，“高档数控机床与基础制造装备”科技重大专项
 
专利：
· Chen-Han Lee, System, Method, and Computer Program Productfor Determining a Translation Vector, US patent #8497875, July 30, 2013.
·  一种基于刀轨数据获得其加工误差的方法, 中国发明专利 #201310340703.4, 2015-9-23.
·  一种平面螺旋状和环状铣销轨迹生成方法, 中国发明专利#201210397262.7, 2014-7-3.
·  一种基于势能场及能量泛函优化的刀具轨迹产生方法, 中国发明专利#201210432202.4, 2014-7-29.
·  数控加工中的运动规划方法、运动规划器及其应用, 中国发明专利#201210279765.4,  2014-6-17.
·  一种基于虚拟机床模型的云端数控系统实现方法及系统, 中国发明专利#201210205272.6, 2014-3-3.       
 
研究课题：
· Usefield-based covariant functional to compute optimal tool paths, includingoptimal tool-axis orientations.
· Developintelligent multi-axis blade machining software capable of generating optimaltool paths.
· Incorporatemachine configuration and dynamics into computing optimal tool paths.
· Applytool-axis optimization technologies in laser cutting and hardening.
· Developadvanced methods to optimize (and modify) existing tool paths for high speedand high precision machining.
· Study newinterpolation algorithms for CNC systems.
· Implement aframework for cloud-based CNC systems and related applications.
· Definefree-form surface features based on machine configuration and dynamics.
 
荣誉与奖项：
2011年获得计划“国家特聘专家”荣誉称号
 
代表性著作：
·  Wei Fan,Chen-Han Lee*, Jihong Chen, Areal-time curvature-smooth interpolation scheme and motion planning for CNC machiningof short line segments, Int. J. of MachineTools & Manuf., 96, 2015.
·  FAN Wei, LEE Chen-Han*, CHEN JiHong, & XIAO Yao, Real-time Bezier interpolation satisfying chord error constraint forCNC tool path, Sci. China Tech. Sci., 10.1007/s11431-015-5949-2 , 2015
·  Xu Liu,Yingguang Li*, Sibo Ma, Chen-Han Lee,A tool path generation method forfreeform surface machining by introducing the tensor property of machiningstrip width , Computer-Aided Design, 66 2015.
·  Shanshan He, Daojiang Ou, Changya Yan*, Chen-Han Lee, A chord error conforming tool-pathB-spline fitting method for NC machining based on energy minimization and LSPIA,JCDE, 2, 2015
·  Chih-HsingChu*, Hsin-Ta Hsieh, Chen-Han Lee,Changya Yan, Spline-constrained tool-pathplanning in five-axis flank machining of ruled surfaces, Int. J. Adv.Manuf. Tech. 2015
·  Yingguang Li*, Chen-Han Lee, James Gao, Fromcomputer-aided to intelligent machining: Recent advances in computer numericalcontrol machining research, Proc. of The Inst. of Mech. Eng. Part B J. of Eng. Manuf., 229(7) 2015.
·  PengchengHu, Kai Tang*, Chen-Han Lee, Global obstacle avoidance and minimumworkpiece setups in five-axis machining, Computer-Aided Design, 45, 2013.
·  ChangyaYan, Chen-Han Lee*, Jianzhong Yang, Three-axis Tool-path B-spline Fitting Basedon Preprocessing, Least Square Approximation and Energy Minimization and ItsQuality Evaluation, MM Science Journal, MATAR 2012 Special Issue.
·  Chen-HanLee*, JonDym, Lingyun Lu, Guangyan Yin, ShapePreserving Global Parameterization for CAD/CAM/CAE, IMECE2004-60274,Proceedings of IMECE2004.
·  Chen-HanLee*, Smooth Tool-axis Variation in 5-axis SurfaceMachining, IMECE2004-60276, Proceedings of IMECE2004.
·  Chen-HanLee*, Mass splitting in quasi Nambu-Goldstonemodels, Phys. Rev. D, 35(6), 1987.