Shinobu Sagisawa

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About

Shinobu Sagisawa is a pioneering figure in the field of robotic tactile sensing, with a career dedicated to imbuing machines with a sophisticated sense of touch. Her research centers on the development of high-resolution tactile sensor arrays and the intelligent systems needed to interpret complex tactile data. Sagisawa’s major contribution is the creation of a groundbreaking three-axis tactile sensor, capable of detecting not just pressure, but the full distribution of force vectors—including shear and normal forces—across a sensing surface. This work, detailed in her most cited paper (19 citations), introduced a "Tactile Expert System" that uses a parallel-fingered hand to perceive object properties like texture and shape, moving beyond simple contact detection. Her foundational 1990 paper (10 citations) describes the sensor’s architecture: a 6×15 matrix of sensing sites, each employing single-crystal silicon to measure force components with high precision. By enabling robots to "feel" the direction and magnitude of forces, Sagisawa’s innovations have laid critical groundwork for dexterous manipulation in manufacturing, prosthetics, and human-robot interaction, establishing her as a key architect of tactile intelligence.