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1994 - The Anthropomorphic Robot Head (ARH II)

head_neck_small.jpg (16023 bytes)The ARH II was designed with the goal of being close to the human head in terms of both anatomy and size - in other words, anthropomorphic and anthropometric. As a result of this, it is particulary suited to telepresence applications, where the user must feel immersed in a remote location to such an extent that a feeling of remote presence is felt. To this end, the ARH II is slaved to a virtual reality helmet or head mounted display (HMD), with the user receiving visual feedback from the ARH II's twin cameras to the stereo optics of the HMD.

arh1_small.jpg (15444 bytes)The ARH II is based on a unique design by Dr. John Heng allowing three degrees of rotational freedom (pan, tilt, roll) and one degree of translational freedom. This is in marked contrast to many robot heads, the majority of which are bound to two rotational axes, namely pan and tilt. Achieving true immersive telepresence with such systems would be impossible, as the level of anthropometry is lacking.

Following retiral after distiunguished service, the ARH II has been replaced, predictably enough, by the ARH III. The new head has a neck mechanism designed by John Heng, a verging stereo camera system by Lindsay Hitchen, and a control system by Kenny Revie and Jennifer Clark.

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