Ren‐Wu Fang

About

Ren-Wu Fang is a pioneering figure in precision robotics, best known for advancing cross-coupling control (CCC) to dramatically improve contour-tracking accuracy in direct-drive robots. His core research focuses on reducing contouring errors—a critical challenge in tasks like machining and assembly—by developing innovative controllers that coordinate multiple axes in real time. Fang’s most influential work, "Cross-Coupling Control for a Direct-Drive Robot" (2002), with 26 citations, introduced a CCC algorithm that prioritized contouring performance over point-to-point tracking, setting a new standard for precision. He further extended this with an H∞ control scheme (2002, 13 citations), demonstrating robust error reduction for linear and circular paths. His later work (2004) tackled spatial contours in multi-link robots under gravity, using Lyapunov theory and recursive updates to enhance stability and accuracy. Fang’s contributions have been instrumental in advancing industrial robotics, enabling higher precision in automated manufacturing. His research remains a cornerstone for engineers and students exploring motion control, offering practical solutions for complex, high-accuracy robotic tasks.

Research Focus

Key Achievements

Top Papers

1. 1
   Cross-Coupling Control for a Direct-Drive Robot.

   26 citations · 2002
2. 2
   A cross‐coupling controller using an<i>H</i>_∞scheme and its application to a two‐axis direct‐drive robot

   13 citations · 2002
3. 3
   The design and implementation of a cross-coupling controller for multi-link direct-drive robots

   2 citations · 2004

Key Collaborators

Contact & Links