Nghe H Quach

Monash University, Engineering Systems (United States)

Papers

Total Citations

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About

Dr. Nghe H. Quach is a robotics researcher whose work focuses on the critical challenge of precise control for robotic manipulators. His primary research areas include robot arm dynamics, friction compensation, and set-point control algorithms. Dr. Quach’s major contributions lie in developing practical methods to estimate and counteract the disruptive forces that degrade robotic performance. His most influential work, "Estimation and Compensation of Gravity and Friction Forces for Robot Arms: Theory and Experiments" (2001), has accumulated 12 citations, demonstrating its foundational value to the field. In this paper, he established a robust framework for modeling and canceling out gravity and friction torques, directly improving the accuracy of robot motion. Building on this, his 2002 paper introduced a novel three-step PD-based control algorithm for set-point control. This algorithm cleverly leverages the linear-in-parameter property of gravity forces and the steady-state characteristics of PD control to dynamically modify set-points, enabling effective estimation and compensation of static friction and gravity without complex modeling. Through these focused contributions, Dr. Quach has advanced the practical implementation of more reliable and accurate robotic systems.