Norbert Chang

Papers

Total Citations

H-Index

About

Norbert Chang’s research centers on advanced control systems for dynamic mechanical loads, with a particular focus on the precision and speed of oscillatory motion. His most cited work, "High speed position control of a swinging load," presents a rigorous control design for a spherical pendulum system, addressing three distinct oscillatory modes: two swing modes and a torsion mode. By implementing a sequence of input shapers—including the Zero Vibration and Zero Vibration-Derivative algorithms—Chang demonstrated a novel approach to stabilizing and rapidly positioning a swinging load. This contribution is critical for applications in robotics, crane automation, and material handling, where suppressing residual vibration is essential for both speed and safety. While his citation count (2) reflects a niche but highly specialized contribution, the technical depth of his work offers a foundational reference for engineers tackling multi-modal oscillation problems. Chang’s research exemplifies the meticulous integration of control theory with real-world mechanical constraints, making his paper a valuable resource for students and researchers exploring input shaping and vibration control in underactuated systems.