1. Department of Mechanical and Intelligent Systems Engineering, Graduate School of Informatics and Engineering The University of Electro‐Communications Chofu Tokyo Japan
2. Department of Computer Science, College of Engineering Nihon University Koriyama Fukushima Japan
3. Technology Development Department Advanced Simulation Technology of Mechanics R&D, Co., Ltd. Bunkyo Tokyo Japan
4. Department of Systems Innovation, Graduate School of Engineering The University of Tokyo Bunkyo Tokyo Japan