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About

Yosuke Nishitani is a robotics and control systems researcher whose work sits at the intersection of surgical robotics, mechatronic design, and teleoperation control theory. He is best known for pioneering the "double-screw-drive" (DSD) mechanism, an innovative bending technique that enables omnidirectional motion through paired linkages combining right- and left-handed screws with universal joints. First introduced in his 2009 paper on robotic forceps manipulators — which has accumulated 68 citations — this mechanism has been extended to multi-fingered robotic hands intended for prosthetic and humanoid applications. Beyond mechanical design, Nishitani has made meaningful contributions to the control of surgical teleoperation systems, developing Lyapunov function-based bilateral control laws specifically engineered to handle the challenges of time-varying communication delays in minimally invasive surgery settings. His work on passivity-based bilateral control for DSD forceps systems further demonstrates his commitment to safe, dexterous remote surgical operation. Complementing these efforts, his research on gain-scheduled stabilization of closed-link inverted pendulum systems reveals a broader fluency in nonlinear control theory. Collectively, his contributions advance the reliability and dexterity of next-generation robotic surgical tools.