Abstract
An active scope camera (ASC) is a special type of videoscope for search and rescue operations; the ASC has a self-propelled mechanism with a ciliary vibration drive. From an analysis of the problems encountered with the conventional ASC during applications to practical disaster environments, we propose a new tube-type ASC with enhanced mobility and practical functionality for rescue activities. We designed a smart structure to mount vibration motors on a long tubular cable without any rigid projections. A suitable tubular cable material was also selected experimentally to propagate the vibration efficiently. We integrated several practical functions such as a head bending structure, an auditory communication system, and a gravity indicator for the head orientation. We conducted several fundamental performance experiments. Finally, the enhanced performance of the tube-type ASC for practical use was demonstrated at a training site for first responders.
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