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About

Zhi-Xin Peng is a robotics researcher whose work has made meaningful contributions to the control of robotic manipulators, particularly in the challenging domain of constrained motion operations. His research centers on two interconnected themes: position and force control, and the management of kinematically redundant robotic systems. Peng's most recognized contribution lies in developing methods to estimate and control contact forces without relying on dedicated force or torque sensors — a practically significant advancement that reduces hardware complexity and cost in robotic systems. His 1991 paper on this topic remains his most impactful work, accumulating 16 citations and laying a theoretical foundation for sensorless force estimation in manipulation tasks. Complementing this, Peng introduced the concept of "extended hybrid control" for redundant manipulators, an elegant framework that simultaneously manages position and force control while exploiting kinematic redundancy to accomplish secondary tasks. Though his citation footprint is modest, his contributions address fundamental challenges in robotic manipulation that remain relevant to industrial automation and human-robot interaction research, offering early theoretical groundwork for engineers and researchers working on compliant and adaptive robotic systems.