Shuichi Adachi
Papers
10
Total Citations
55
H-Index
4
About
Shuichi Adachi is a control systems researcher whose work centers on system identification, robot arm dynamics, and vibration suppression control — areas where precise modeling meets practical engineering challenges. His most recognized contributions revolve around the development of decoupling identification methods for serial two-link robot arms with elastic joints, a problem arising from the compliance introduced by reduction gears such as Harmonic drives. Beginning with foundational work in 1990 on multi-decimation system identification — which addressed inherent limitations of least-squares methods in capturing low-frequency dynamics — Adachi built toward increasingly sophisticated frameworks for multivariable identification of two-inertia robotic systems. His decoupling identification approach, developed across several influential papers between 2008 and 2012, enables accurate physical parameter estimation critical for model-based control design. Later contributions extended this work into nonlinear observer-based vibration suppression schemes and phase-lead compensators that achieve fast, precise positioning using only motor-side sensors — a practically significant constraint in real deployments. With his most-cited works accumulating tens of citations within specialized robotics and control communities, Adachi's research offers valuable tools for engineers seeking rigorous, model-grounded solutions to the persistent challenge of elastic-joint robot control.
Research Focus
Key Achievements
Top Papers
- 1Decoupling Identification for Serial Two-link Robot Arm with Elastic Joints10 citations · 2009
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- 4System Identification by Multi Decimation8 citations · 1990
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- 6Decoupling Identification for Serial Two-Link Two-Inertia System4 citations · 2009
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