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About

Motohiro Nonogaki is a pioneer in the field of bio-inspired robotics and micro-power systems, with a research focus on developing small-scale autonomous robots and their energy sources. His most significant contributions center on the design and propulsion of miniature fish robots—some as small as 5 cm—intended for search-and-rescue operations in flooded, confined environments. Nonogaki’s key innovation lies in powering these robots with small, ultra-light passive-type polymer electrolyte fuel cells (PEFCs), which offer higher energy density than conventional rechargeable batteries. His work systematically investigates how tail fin material, thickness, and flexibility affect propulsive performance, using fluid-structure interaction analysis to bridge the gap between artificial and biological swimming efficiency. Among his notable achievements, his 2010 paper on fish robots powered by PEFCs has garnered 12 citations, while his studies on tail fin flexibility and propulsion have accumulated 8 and 6 citations respectively, establishing a foundation for energy-autonomous micro-robotics. Nonogaki’s research not only advances the practical deployment of small robots in disaster scenarios but also provides critical insights into the biomechanics of efficient underwater locomotion.