About

Tatsuo Arai is a pioneering robotics researcher whose work spans kinematic calibration, humanoid robotics, human-robot interaction, and cutting-edge microrobotics. His 1995 landmark paper on implicit loop methods for kinematic calibration — now with 171 citations — established a unified framework applicable to both serial and closed-chain robotic mechanisms, becoming foundational in precision robotics engineering. Arai has made substantial contributions to humanoid robot control, developing real-time mobile manipulation strategies that balance manipulability and stability, and advancing whole-body motion planning for dynamic pushing tasks. His innovative Integrated Limb Mechanism concept, embodied in robots like ASTERISK, elegantly merged locomotion and manipulation into unified limb structures, influencing the design of versatile multi-purpose robots. Equally notable is Arai's commitment to human-centered robotics — he pioneered virtual reality-based frameworks for evaluating human psychological responses to coexisting robots, and developed psychological scales for quantifying impressions of humanoids. More recently, his research has embraced the frontier of biomedical microrobotics, with influential work on magnetically driven soft continuum microrobots and DNA-based nanorobots, reflecting his remarkable capacity to evolve across decades of technological change. His cumulative body of work continues to shape both fundamental robotics theory and its real-world applications.

Research Focus

Key Achievements

25
H-Index
175
Papers
2,430
Total Citations
14
Avg Citations/Paper
🏆 Most Cited Paper
An implicit loop method for kinematic calibration and its application to closed-chain mechanisms
171 citations · 1995
📈 Most Prolific Year: 2002 (21 Papers)
🤝 Key Collaborators: 206
🏛 Institutions: Beijing Institute of Technology, The University of Osaka, Osaka University of Human Sciences, The University of Tokyo, National Institute of Advanced Industrial Science and Technology, Kyoto University

Top Papers

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Key Collaborators

Contact & Links

Available for collaboration
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