HUANG Liang-pei is a Ph.D. , professor and candidate in the School of Electromechanical Engineering, Hunan University of Science & Technology and Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment, China. He is currently a visiting researcher at the Royal Institute of Technology (KTH) , Sweden. His research interests include me- chanical design of optimization, reliability design and modeling, electromechanical control, etc. huanglp413 @ 163. com ZHONG ttai -iu is a Ph. D. , associate professor and candidate in the Department of Electronic Systems, Royal Institute of Technology (KTH) , Sweden. His research interests include embedded systems, systemon-chip (SoC)/network-on-chip (NoC) , design automation and wireless sensor networks (WSNs). zhonghai@ kth. se ZHENG Li -gong is a master candidate in the School of Electromechanical Engineering, Hunan University of Science & Technology and Hunan Provincial Key Laboratory of Health Maintenance for Mechanical Equipment, China. His research interests include mechanical design of optimization, reliability design and modeling, etc. gongzhengli@ 126. com