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About

Yasuhiro Sugimoto is a robotics researcher whose work centers on legged locomotion, passive dynamic walking, and bio-inspired actuation systems. He has made significant contributions to understanding the fundamental principles of walking in both biological systems and robotic platforms, with a particular emphasis on passive and quasi-passive dynamic walking (PDW). His early research developed novel stabilization techniques using delayed feedback control to enable biped robots to maintain energy-efficient, naturalistic gait with minimal actuation — work that garnered substantial attention, accumulating over 75 citations across his foundational 2004–2006 papers. Sugimoto extended these investigations to quadrupedal locomotion, demonstrating and analyzing passive dynamic walking in four-legged systems, and employing Poincaré map analysis to rigorously characterize walking stability. Beyond bipedal and quadrupedal systems, his research encompasses McKibben pneumatic actuators, exploring their self-stabilizing properties for legged robots — a body of work reflecting his broader interest in biologically plausible, compliant actuation. He has also investigated adaptive control principles inspired by biological systems and contributed to unconventional robotic platforms such as the casterboard robot. With over 200 cumulative citations, Sugimoto's research bridges biomechanics, nonlinear dynamics, and robotics engineering, offering enduring insights for both theoretical and applied locomotion research.