Qingkai Han

Papers

Total Citations

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About

Qingkai Han is a researcher specializing in nonlinear dynamics, mechanical systems, and control engineering, with a particular focus on the complex behaviors of linkage mechanisms and robotic components. His work explores how differential dynamical equations govern the motion of mechanical systems, revealing periodic and chaotic behaviors that arise from system parameters or external inputs. Han’s major contribution lies in advancing the understanding of nonlinear phenomena in two-bar linkages—a fundamental building block of robotic systems—and developing control strategies, such as the OPCL (Open-Plus-Closed-Loop) controller, to manage these motions. This research has direct implications for improving robot performance, control precision, and system parameter optimization. While his most-cited paper, “Periodic and Chaotic Motions of a Two‐Bar Linkage with OPCL Controller” (2010), has garnered 2 citations, its foundational insights into nonlinear behavior and control continue to inform studies in robotics and mechanical engineering. Han’s work bridges theoretical dynamics and practical applications, offering valuable tools for engineers designing more reliable and efficient robotic systems.