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Telepresence robot                                     9








                                       IN THIS CHAPTER WE WILL BUILD A TELEPRESENCE ROBOT
                                       (T-bot). Telepresence robots are expanding into a variety of sci-
                                       ence, entertainment, business, military, exploratory, and industrial
                                       applications as was illustrated in Chap. 2.

                               What’s in a name?
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                                       The late science fiction writer Robert Heinlein is credited as the first
                                       person to predict the use of telepresence robots in his 1940 science
                                       fiction novel titled Waldo. In the story, a human operates mechanical
                                       puppets, called “waldos,” to do his bidding from a remote location.
                                       Rather than use the term “waldo,” I found the word “golem” from
                                       Yiddish mythology more suitable. The story of the golem describes
                                       a human spirit who intentionally places itself in a clay figurine. The
                                       spirit controls the clay figurine, bidding it to do that which the spirit
                                       would not or could not do in its human form. Once the golem’s work
                                       is finished, the spirit returns to its human form. This definition
                                       adequately describes the new science of telepresence. I therefore
                                       have named my telepresence robot Golem I.

                               What is telepresence?

                                       Telepresence is a high-fidelity form of remote control that attempts
                                       to project the senses of the human operator into a robot at a distant
                                       site. The feedback interfaces used to create a telepresence system
                                       are the same as used in virtual reality (VR). Figure 9.1 illustrates a
                                       basic telepresence system.
                                       In virtual reality we achieve immersion into a synthetic computer-
                                       generated environment by fooling our senses, as best we can, to
                                                       Team LRN                               Telepresence robot

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