An actuated physical puppet as an input device for controlling a digital manikin

Authors:
Wataru Yoshizaki;Yuta Sugiura;Albert C. Chiou;Sunao Hashimoto;Masahiko Inami;Takeo Igarashi;Yoshiaki Akazawa;Katsuaki Kawachi;Satoshi Kagami;Masaaki Mochimaru
Affiliations:
NAIST AIST, Nara, and DHRC AIST, Tokyo, Japan;Keio University, Kanagawa, and JST ERATO, Toyko, Japan;JST ERATO, Tokyo, Japan;JST ERATO, Tokyo, Japan;Keio University, Kanagawa, and JST ERATO, Tokyo, Japan;The University of Tokyo and JST ERATO, TOKYO, Japan;DHRC AIST, Tokyo, Japan;DHRC AIST, Tokyo, Japan;DHRC AIST, Tokyo, Japan;DHRC AIST, Tokyo, Japan
Venue:
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Year:
2011

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Abstract

We present an actuated handheld puppet system for controlling the posture of a virtual character. Physical puppet devices have been used in the past to intuitively control character posture. In our research, an actuator is added to each joint of such an input device to provide physical feedback to the user. This enhancement offers many benefits. First, the user can upload pre-defined postures to the device to save time. Second, the system is capable of dynamically adjusting joint stiffness to counteract gravity, while allowing control to be maintained with relatively little force. Third, the system supports natural human body behaviors, such as whole-body reaching and joint coupling. This paper describes the user interface and implementation of the proposed technique and reports the results of expert evaluation. We also conducted two user studies to evaluate the effectiveness of our method.