Abstract
This paper proposes a posture control of an ornithopter with a movable abdomen. By using a movable abdomen, it is possible to simplify the mechanism compared with conventional ones. We developed a small sized ornithopter with a movable abdomen, and conducted experiments to control its posture. The motion capture system was used to measure the position and posture of the ornithopter and the angle of abdomen. The experimental results showed that the proposed method was able to change the posture.