Yumei Cao

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About

Yumei Cao is a leading researcher in robotics and precision automation, with a primary focus on wafer transfer systems critical to the semiconductor manufacturing industry. Her work addresses the fundamental challenges of high-speed, high-accuracy material handling in IC fabrication environments. Cao’s most significant contributions center on the design and control of end effectors for wafer transfer robots, where she has pioneered methods to improve transfer efficiency while simultaneously reducing wafer damage. Her 2012 paper on end effector design, which has accumulated 10 citations, established foundational principles for optimizing robot grippers in cleanroom applications. Cao has also made substantial advances in trajectory tracking control, demonstrating how dynamic modeling can suppress vibration and minimize contour errors during wafer transport. Her 2010 paper on accurate trajectory control (7 citations) and subsequent work on vibration suppression using input shaping techniques (5 citations) have provided practical solutions for achieving the sub-millimeter precision required in semiconductor manufacturing. Through her systematic approach combining mechanical design with advanced control strategies, Cao has helped enable the reliable, high-throughput automation that underpins modern chip production.