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We propose a robotic model to search a robot's standing position considering a change of human's personal space in a human-robot community. Recently, there has been an increasing effort to develop personal robots in human communities. They are required not only to avoid a collision with a person but also to keep a suitable distance in its community. However, their personal space in a community depends on their closeness. Therefore, a robot needs to search its standing position consider change of their personal space. Thus, we proposed the robotic model and examined whether experimental participants distinguish the robot’s trajectory from human’s in the simulation. As a result, it’s clear that all participants cannot distinguish differentiate between robot’s and human’s trajectory.
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