Abstract
Home Oxygen Therapy (HOT) patients need portable oxygen equipment when they go out. However, the currently-used oxygen equipment is heavy enough to discourage HOT patients from their going out. Therefore we try to develop the power assist robotic cart which supports HOT patients' going out. In this paper we describe escort type cart development which moves next to the users. We propose new operation interface device which has high reliability and capability of easy-understandable operation, and then we verify its validity by dynamical simulation applying Open Dynamics Engine.
