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About

Pengchang Zhang is a robotics researcher whose work centers on the design, analysis, and optimization of underactuated parallel robotic systems, with a particular focus on spherical robot wrists and sustainable manufacturing applications. Zhang has made significant contributions to the theoretical foundations of underactuated robotics, most notably through pioneering work in type synthesis of non-holonomic spherical constraint mechanisms, which has accumulated 20 citations since its 2018 publication. His 2015 accuracy analysis of spherical 3-DOF parallel underactuated robot wrists — garnering 17 citations — established important benchmarks for evaluating precision in this class of robotic systems. Complementing this, his 2016 dynamics study bridged theoretical modeling and practical simulation, providing crucial insights into force-acceleration relationships essential for real-time robot control. More recently, Zhang has expanded his research perspective toward energy efficiency and sustainable manufacturing, exploring kinematic approaches to reducing energy consumption in non-holonomic underactuated systems. Collectively, his body of work, spanning over a decade of consistent output, has helped advance both the mechanical design and operational intelligence of next-generation robotic wrist mechanisms, making him a notable contributor to the underactuated robotics community.