Tatsufumi Oka

University of Edinburgh, University of Electro-Communications

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About

Tatsufumi Oka is a pioneering researcher in autonomous robotics, with a particular focus on human-robot interaction, spoken dialogue systems, and modular robot control architectures. His most influential work, "Talking to Godot: dialogue with a mobile robot" (2003, 59 citations), introduced the Godot mobile robot platform—a groundbreaking testbed that seamlessly integrated low-level navigation with a symbolic high-level spoken dialogue system. This bidirectional system allowed information to flow between the robot's physical movement and its conversational abilities, marking an early and significant contribution to socially interactive robotics. Oka further advanced the field by proposing BeNet, a computational model for robot "brains" based on asynchronous parallel process networks (2002, 15 citations), which enabled the design of desirable autonomous behaviors. His work on describing modular motion systems through real-time process network models (2002, 11 citations) provided a framework for decomposing complex robotic systems into parallel, communicating modules. Collectively, Oka's research has laid foundational groundwork for integrating perception, action, and dialogue in autonomous robots, influencing subsequent work in human-robot collaboration and embodied conversational agents.