Hirohisa Obata
Papers
2
Total Citations
19
H-Index
2
About
Hirohisa Obata is a pioneering researcher in the field of robotics and actuator systems, with a primary focus on the development and application of vibration-type ultrasonic motors for robotic hands. His major contributions lie in the innovative use of Langevin-type ultrasonic vibrators as direct-drive actuators for robot fingers, enabling simultaneous grasping and rotational manipulation of objects. Obata’s work demonstrates how ultrasonic motors—known for their simple construction, high response, and high torque at low speeds—can replace conventional moving elements, offering a compact and efficient alternative for dexterous robotic manipulation. His most-cited paper, “PWM driving characteristics of robot hand with fingers using vibration-type ultrasonic motors” (2002, 11 citations), along with his closely related study “Robot hand with fingers using vibration-type ultrasonic motors (driving characteristics)” (2002, 8 citations), collectively establish a foundational framework for integrating ultrasonic actuation into robotic hands. Though his citation counts are modest, Obata’s research is notable for its forward-thinking approach to actuator design, influencing subsequent work in soft robotics and precision manipulation. His achievements highlight a creative synthesis of vibration mechanics and robotic control, making him a respected figure in specialized actuator research.
Research Focus
Key Achievements
Top Papers
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