1. Department of Electrical and Electronic EngineeringChiba University Chiba Japan
2. Hubei Key Laboratory of Advanced Control and Intelligent Automation for Complex Systems Wuhan China
3. School of Information Science and EngineeringCentral South University Changsha China
4. School of AutomationChina University of Geosciences Wuhan China
5. School of EngineeringTokyo University of Technology Hachioji Japan
6. Graduate School of Environment and Energy EngineeringWaseda University Shinjuku‐ku Japan