The Effect of Mobile Robot on Group Behavior of Animal
Daisuke Fujiwara*1, Kojiro Iizuka*2, Yoshiyuki Matsumura*3,
Tohru Moriyama*4, Ryo Watanabe*1, Koichiro Enomoto*5,
Masashi Toda*6, and Yukio Gunji*7
*1Graduate School of Science and Technology, Shinshu University, 3-15-1 Tokida, Ueda City 386-8567, Japan
*2International Young Researchers Empowerment Center, Shinshu University, 3-15-1 Tokida, Ueda City 386-8567, Japan
*3Division of Textile and Kansei Engineering, Faculty of Textile Science and Technology, Shinshu University, 3-15-1 Tokida, Ueda City 386-8567, Japan
*4Division of Mechanical Engineering and Robotics, Faculty of Textile Science and Technology, Shinshu University, 3-15-1 Tokida, Ueda City 386-8567, Japan
*5Graduate School of Systems Information Science, Future University Hakodate, 116-2 Kamedanakano-cho, Hakodate, Hokkaido 041-8655, Japan
*6Department of Center for Multimedia and Information Technologies, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan
*7Department of Earth & Planetary Sciences, Faculty of Science, Kobe University, 1-1 Rokko-dai, Nada, Kobe 657-8501, Japan
This paper observes the effect of a mobile robot on the group behavior of soldier crabs. The mobile robot interacts with eight soldier crabs. For the experimental analysis, this paper adopts four settings. In the first setting, eight soldier crabs are placed in an experiment area without the presence of the robot. In the second, third, and fourth settings, eight soldier crabs are placed in an experiment area with, respectively, a stationary robot, a continuously moving robot, and an intermittently moving robot. These experimental results are analyzed using a fluctuation index. From analysis, it was found that the fluctuation slope for the fourth experiment alone differs from that for other experiments. This result suggests that the intermittently moving robot influences the group behavior of soldier crabs.
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