The convenience of our daily lives depends on many systems that move things by combining electrical, electronic, and information technologies Typical examples of such systems are electric vehicles and electrical power networks The former are evolving with the help of innovation in semiconductor devices, while the latter are becoming more intelligent with the introduction of smart grid technology Recently, the movement to connect all things to the Internet, including household electrical appliances, machines and robots used in factories, and new traffic systems that operate vehicles automatically, has been expanding at an accelerating pace