Stephen Welch

Papers

Total Citations

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About

Stephen Welch is a pioneering roboticist whose work sits at the intersection of hardware design and intelligent control, with a focus on creating more resilient and capable humanoid robots. His major contributions center on two key innovations: the development of structurally compliant robots and the application of advanced control algorithms for elastic actuators. Welch is the lead architect of **PANDORA**, an open-source, structurally elastic humanoid robot that leverages 3D-printed compliant materials to absorb impacts and enhance safety—a radical departure from traditional rigid designs. This work, already garnering significant attention, promises to democratize access to safe, human-friendly robotics. Complementing this hardware breakthrough, his research on **Real-Time Model-Free Deep Reinforcement Learning for Force Control** tackles the longstanding challenge of controlling series elastic actuators (SEAs). By replacing unstable, model-based PID methods with a data-driven approach, Welch has demonstrated a path toward more robust and adaptive locomotion and manipulation. With his papers already accumulating citations, Welch is establishing himself as a key figure in the next generation of soft, intelligent, and accessible humanoid robotics.