A robot-rat interaction experimental system based on the rat-inspired mobile robot WR-4

Qing Shi*, Hiroyuki Ishii, Shogo Fumino, Shinichiro Konno, Shinichi Kinoshita, Atsuo Takanishi, Satoshi Okabayashi, Naritoshi Iida, Hiroshi Kimura

*この研究の対応する著者

研究成果: Conference contribution

4 被引用数 (Scopus)

抄録

This research proposes to design and develop a novel robot involved in the general and famous animal experimental method called Social Interaction Test (SIT). Aiming at increased movement range of the waist and improved interoperability, we have developed a novel small animaroid robot WR-4 (Waseda Rat No.4). The waist of WR-4 endowed with a multi-bendable 6-bar linkage mechanism makes the robot able to rotate around ±130° horizontally, meeting required movement range. Integrating with a 4-bar linkage mechanism in the neck, this 6-bar linkage mechanism achieves the bending posture as living rats, allowing the imitation of behavior such as rotating. Furthermore, ultrasonic motors (USM) used to drive forelegs greatly reduce the weight of upper body, resulting in quicker acting of rearing behavior. WR-4 consists of 10 active DOFs (two 1-DOF wheels for locomotion, two 2-DOF forelegs for interaction, one 1-DOF neck for swing, one 2-DOF waist for rearing and body grooming and one 1-DOF reserved for tail) and 2 passive DOFs in the paws. The evaluation tests on motion performance show that WR-4 could act both rearing (reaching 60°) and rotating (reaching ±100° respectively) behaviors approximately 0.1s quicker than mature rats. Preliminary SIT between WR-4 and mature rats have been conducted strictly following psychological rules. Experimental results reveal that the frequencies of rearing behavior in rats were increased significantly when WR-4 reared periodically, and the activities of rats were decreased after WR-4 reared.

本文言語English
ホスト出版物のタイトル2011 IEEE International Conference on Robotics and Biomimetics, ROBIO 2011
ページ402-407
ページ数6
DOI
出版ステータスPublished - 2011
イベント2011 IEEE International Conference on Robotics and Biomimetics, ROBIO 2011 - Phuket, Thailand
継続期間: 2011 12月 72011 12月 11

出版物シリーズ

名前2011 IEEE International Conference on Robotics and Biomimetics, ROBIO 2011

Conference

Conference2011 IEEE International Conference on Robotics and Biomimetics, ROBIO 2011
国/地域Thailand
CityPhuket
Period11/12/711/12/11

ASJC Scopus subject areas

  • コンピュータ ビジョンおよびパターン認識

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