Soichiro Fujiki
Papers
12
Total Citations
254
H-Index
7
About
Soichiro Fujiki is a leading researcher in the field of legged locomotion, where he bridges biology and robotics to unravel the fundamental principles of how animals and machines move. His work centers on the dynamics of gait transitions, interlimb coordination, and adaptive locomotion control. Fujiki’s major contributions include uncovering a stability-based mechanism for hysteresis in the walk–trot transition in quadrupeds—a phenomenon where the speed at which an animal switches gaits differs depending on whether it is accelerating or decelerating. His most-cited paper on this topic (82 citations) has provided critical insights into the attractor dynamics underlying gait selection. He has also pioneered the use of nonlinear oscillators with phase resetting to enable bipedal and quadrupedal robots to adapt to split-belt treadmills, where each leg moves at a different speed, mimicking human and animal adaptation strategies. His work on the functional roles of phase resetting in gait transitions (40 citations) has clarified how neural mechanisms contribute to robust locomotion. Notably, Fujiki has demonstrated how instability in straight walking can be leveraged for agile turning maneuvers in multilegged robots, showcasing a novel application of bifurcation theory. With over 250 total citations, his research continues to inspire advances in bio-inspired robotics and rehabilitation engineering.
Research Focus
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