Pei LEI

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About

Dr. Pei Lei is a rising researcher in advanced manufacturing engineering, with a primary focus on robotic machining dynamics and chatter suppression. Their most-cited work, "Chatter stability of robotic rotary ultrasonic countersinking" (2023, 11 citations), addresses a critical challenge in industrial robotics: the inherent weak stiffness that leads to regenerative chatter during machining. Dr. Lei’s major contribution lies in developing stability models that predict and mitigate vibration-induced quality degradation, particularly in rotary ultrasonic processes—a technique vital for aerospace and automotive applications. By analyzing the interplay between robot flexibility and cutting parameters, their research provides practical guidelines for improving surface finish and reducing noise in automated countersinking operations. While early in their career, Dr. Lei’s work has already garnered attention for bridging theoretical stability analysis with real-world robotic manufacturing challenges. Their findings offer a foundation for future studies on adaptive control and stiffness enhancement in flexible robotic systems, positioning them as a promising voice in the quest for high-precision, chatter-free robotic machining.