Abstract
From the background information supplied by the inventors, news correspondents o btained the following quote: “Robots are machines that can assist humans or subs titute for humans. Robots can be used in diverse applications including construc tion, manufacturing, monitoring, exploration, learning, and entertainment. Robot s can be used in dangerous or uninhabitable environments, for example. “Some robots require user input, and can be operated by humans. Other robots hav e a degree of autonomy, and can operate, in at least some situations, without hu man intervention. Some autonomous robots are designed to mimic human behavior. A utonomous robots can be particularly useful in applications where robots are nee ded to work for an extended time without operator intervention, to navigate with in their operating environment, and/or to adapt to changing circumstances.