Hidetsugu Terada

About

Hidetsugu Terada is a mechanical engineer and robotics researcher whose work spans precision motion mechanisms, wearable rehabilitation devices, and innovative robotic systems. With a career stretching across several decades, Terada has made foundational contributions to the design and analysis of compact, efficient power transmission systems, most notably the Cycloid Ball Reducer — a novel mechanism comprising surface-grooved discs and rolling balls — which he first introduced in 1988 and continued refining through the 1990s for robotic actuator applications. His research evolved to encompass wearable assistive robotics, where he developed knee motion assist mechanisms incorporating non-circular gears and grooved cams to support post-surgical rehabilitation, particularly following total knee arthroplasty, work that has collectively attracted over 70 citations. Terada has also contributed to multi-robot coordination, parallel-serial hybrid robot control, and voice-commanded micro-manipulation systems for cell operations. His more applied work even extends to agricultural packaging, developing shock-absorbing non-woven fabrics to protect delicate fruits during international transport. Across these diverse domains, Terada consistently bridges fundamental mechanical analysis with practical engineering solutions, making his research relevant to both academic study and real-world implementation.

Research Focus

Key Achievements

Top Papers

1. 1
   Developments of a Knee Motion Assist Mechanism for Wearable Robot with a Non-circular Gear and Grooved Cams

   45 citations · 2011
2. 2
   The Development of gearless reducers with rolling balls

   28 citations · 2010
3. 3
   Fundamental Analysis of Cycloid Ball Reducer (1st report)

   19 citations · 1988
4. 4
   Study of Wearable Knee Assistive Instruments for Walk Rehabilitation

   15 citations · 2012
5. 5
   Development of a Wearable Assist Robot for Walk Rehabilitation After Knee Arthroplasty Surgery

   12 citations · 2012
6. 6
   Fundamental Analysis of Cycloid Ball Reducer (4th Report)

   10 citations · 1997
7. 7
   Motion Planning Approach of a Multi-Robot System for “Furoshiki” Wrapping Operation

   9 citations · 2010
8. 8
   Continuous path control of a 5-DOF parallel-serial hybrid robot

   9 citations · 2010
9. 9
   Positioning Control of a Micro Manipulation Robot Based on Voice Command Recognition for the Microscopic Cell Operation

   7 citations · 2016
10. 10
    Development of a concavo-convex non-woven cloth to reduce shock to fruit

    5 citations · 2017

Key Collaborators

Contact & Links