As an important extension of the motor capability of human being, mobile robots are now
expected to implement various tasks and have become important tools in all kinds of application
fields, such as manufacturing plants, warehouses, nurse/medical service, tour guider,
resource or space exploration, NANO manipulation, national defence and so on. In the family
of mobile robots, humanoid robots, robot pets or toys and robot assistants etc have now
been becoming some new research and application trends, and more and more potential
applications of mobile robots are emerging....