Zhongkui Wang is an Associate Professor in the Department of Robotics at Ritsumeikan University. He obtained his Bachelor's and Master's from Northeast Forestry University, Harbin, China, and his Doctorate from Ritsumeikan University in 2000, 2003, and 2011, respectively. He is a member of the Japan Society of Mechanical Engineers, Robotics Society of Japan, Japanese Society for Medical and Biological Engineering, and IEEE. Shinichi Hirai is a Professor in the Department of Robotics and Head of the Soft Robotics Lab at Ritsumeikan University. He obtained his Bachelor's, Master's, and Doctorate Degrees from Kyoto University in 1985, 1987, and 1990, respectively. Professor Hirai is a member of the Robotics Society of Japan, Japan Society of Mechanical Engineers, Society of Instrument and Control Engineers, and IEEE Robotics and Automation Society.