1. Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education,Dalian University of Technology,Dalian 116024, Chinae-mail: shuoxue_sun@163.com
2. Key Laboratory for Precision and Non-Traditional Machining Technology of Ministry of Education,Dalian University of Technology,Dalian 116024, Chinae-mail: xiands@dlut.edu.cn
3. Department of Industrial and Systems Engineering,North Carolina State University,Raleigh, NC 27695e-mail: yslee@ncsu.edu