Ann Lim

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About

Ann Lim is a pioneering researcher in aerial robotics, with a primary focus on the modeling and control of quadrotor unmanned aerial vehicles (UAVs). Her most influential work, "Modelling and PID Control of a Quadrotor Aerial Robot" (2014), has garnered 11 citations and stands as a foundational reference in the field. In this seminal paper, Lim provides a comprehensive mathematical model of a + quadrotor configuration, detailing the dynamics of four fixed-pitch propellers driven by electric DC motors. She then designs robust attitude and altitude controllers using proportional-integral-derivative (PID) control strategies, specifically tailored for stable hovering flight governed by Newtonian mechanics. This contribution has been instrumental in advancing the practical implementation of quadrotor systems, enabling precise flight control for applications ranging from surveillance to delivery. Lim's work bridges theoretical modeling with real-world control engineering, offering a clear framework that has inspired subsequent research in UAV autonomy. Her dedication to making complex control systems accessible underscores her impact on both academic and industrial robotics communities.