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Nakayama, Shinichi; Okumura, Masahiko*; Nagasaki, Shinya*; Enokida, Yoichi*; Umeki, Hiroyuki*; Takase, Hiroyasu*; Kawasaki, Daisuke*; Hasegawa, Shuichi*; Furuta, Kazuo*
Genshiryoku Bakkuendo Kenkyu (CD-ROM), 23(2), p.131 - 148, 2016/12
A symposium "Science of nuclear fuel cycle and backend - Research and education -" was held at the Univer-sity of Tokyo in June 25, 2016. This aimed at developing the research on nuclear fuel cycle and backend. The time and the number of participants of the symposium were limited, but the active discussion was conducted, and the common perception for the future was shared among the experienced participants in those fields. This paper provides the discussions made in the symposium, and also, as a memory to Professor Ahn, the University of California, Berkeley, his prominent achievements in academic research and education.
Shu, Y.; Furuta, Kazuo*
Cognition, Technology & Work, 7(4), p.272 - 287, 2005/11
Team Situation Awareness (TSA) is a critical contributing factor in establishing collaborative relations among team members involved in cooperative activity. Currently, however, there is still a lack of a clearly understandable and commonly agreeable model of TSA. To resolve misunderstanding or conflict among team members or between a team and machines, our research aim is to find out the underlying mechanism of TSA that reflects team cognitive process in a way consistent with team cooperative activity, and to focus on how to achieve mutual understanding, and how to effectively incorporate human teams into a socio-technological system. In this paper, we argue that earlier models of TSA, where TSA was discussed as the intersection of situation awareness (SA) owned by individual team members, are inadequate for study of a sophisticated team reciprocal process. We suggest that it is necessary for the definition of TSA to integrate the notion of individual SA into cooperative team activity. In particular, understanding of mutual awareness is an essential element in cooperative activity. We propose a new notion of TSA, which is reducible to mutual beliefs as well as individual SA at three levels. Further, we develop an operational TSA inference method and discuss human competence and system-related factors that are required to build TSA. We then try to demonstrate how TSA is actively constructed via inferencing practices. We also develop criteria to assess appropriateness of TSA from two aspects: soundness and completeness of mutual beliefs. Comparison of evaluation results indicates that the notion of TSA proposed in this work is more suitable to depict team cooperative activity than conventional ones.
Shu, Y.; Goh, T.*; Furuta, Kazuo*
Proceedings of Cognitive System Engineering in Process Control (CSEPC 2004), p.140 - 147, 2004/11
Team Situation Awareness (TSA) is one of the intermediate steps in the team decision-making process, widely used to assess performance of human-artifact interaction in many operational domains, such as power plant, aviation, emergency center and so on. However, there is still no clearly understandable, generally accepted, objective ways to measure TSA. Following our previous work on TSA that TSA is modeled as an entity reducible to individual SAs and mutual beliefs, in this study, the authors developed a combination of measures to capture TSA and study various interventions that contribute to formation of TSA. TSA was measured both as a state and a process entity using queries and protocol analysis. Results showed that proposed method is practically useful for TSA measurement.
Shu, Y.; Nakajima, Norihiro; Furuta, Kazuo*
Proceedings of 8th World Multi-Conference on Systemics, Cybernetics and Informatics (SCI 2004), p.184 - 185, 2004/07
Team Situation Awareness (TSA) is a critical contributing factor in enhancing reliability of team performance. How to effectively incorporate between human teams and artifacts, how to achieve mutual understanding, is the major topic in this paper. Based on our previous study on TSA, an argument will be presented that recognition, SA inferring, and mutual responsiveness are the prerequisite abilities to engage in cooperative activity. We also develop the principle to assess appropriateness of TSA from two aspects: the soundness and completeness of mutual belief. Simulation results will be given to indicate that team uses the information from external environment to establish effective TSA based on internal knowledge.
Furuta, Kazuo*; *; Watanabe, Norio; *; *
Nihon Genshiryoku Gakkai-Shi, 43(3), p.221 - 223, 2001/03
no abstracts in English
Kanno, Taro*; Yoshikawa, Shinji; *
JNC TY9400 99-004, 36 Pages, 1999/03
no abstracts in English
*; Ozawa, Kenji; Yoshikawa, Shinji; *
PNC TY1602 97-001, 36 Pages, 1997/04
no abstracts in English
