Wheeled mobile robots, legged robots, flying robots, robot vision, artificial intelligence, and other branches of robotics have emerged, involving several technological areas such as mechanics, electronics, and computer science. Artificial intelligence, autonomous driving, network communication, cooperative work, nanorobotics, pleasant human–robot interfaces, safe human–robot interaction, and emotion expression and perception are the driving forces behind these emerging trends. In addition, these new trends are being used in various industries, including medical, health care, sports, ergonomics, industry, commodities distribution, and service robotics.