1. Industrial CPS Research Center, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
2. College of System Engineering, Wakayama University, Wakayama City, Japan
3. Faculty of Science and Engineering, Hosei University, Koganei City, Japan
4. College of Engineering, Ibaraki University, Hitachi City, Japan
5. Smart Intelligence Center, Musashino University, Nishitokyo City, Japan
6. Electrical Engineering and Computer Science, The University of Kansas, Lawrence, Kansas, USA
7. College of Engineering, Tamagawa University, Machida City, Japan