Seizo FUJII

About

Seizo Fujii is a control systems researcher whose career has focused on the dynamics and intelligent control of robotic manipulators, with particular expertise in vibration suppression, adaptive control, and force control. His foundational work on SCARA-type robot manipulators — including robust vibration control and gain-scheduling H∞ techniques via linear matrix inequalities — addressed the critical challenge of residual vibration arising from structural flexibility in industrial robots, earning his 1997 paper 24 citations. Fujii further advanced the field through adaptive switching control methods capable of handling large structured parameter uncertainties in servo systems, work that has accumulated 19 citations and demonstrated practical applicability through extensive experimental validation. His contributions to force control are equally notable: his 2005 research on feedback-error learning for robot manipulators interacting with unknown dynamic environments drew on bio-mimetic principles of human motor control to produce robust, adaptable strategies — reflecting a broader theme of biologically inspired robotics throughout his work. From early investigations into flexible-joint adaptive control to position-measurement-only tracking schemes, Fujii's portfolio spans both theoretical rigor and real-world implementation, making him a meaningful contributor to the foundations of modern adaptive and robust robot control.

Research Focus

Key Achievements

Top Papers

1. 1
   ROBUST VIBRATION CONTROL FOR SCARA-TYPE ROBOT MANIPULATORS

   24 citations · 1997
2. 2
   Adaptive switching control method and its application to tracking control of a robot

   19 citations · 2002
3. 3
   Feedback-error Learning for Explicit Force Control of a Robot Manipulator Interacting with Unknown Dynamic Environment

   17 citations · 2005
4. 4
   Adaptive control for Robot Manipulators with Flexible Joints

   5 citations · 1995
5. 5
   2 D.O.F Adaptive Force Tracking Control of a Robot Manipulator Interacting with Unknown Dynamic Environment

   4 citations · 2005
6. 6
   Gain-scheduling H/sub /spl infin// vibration control for SCARA type robot manipulators via LMIs

   4 citations · 1997
7. 7
   Vibration Control of SCARA-Type Robot Based on .MU.-Synthesis.

   3 citations · 1996
8. 8
   Adaptive Tracking Control of Rigid Robot Manipulators by Using Only Joint Position Measurements

   1 citations · 1997

Key Collaborators

Contact & Links