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About

Irja Gravdahl is a roboticist whose work is pushing the boundaries of how robots move through and interact with complex, cluttered environments. Her primary research focuses on snake robotics, with a particular emphasis on obstacle-aided locomotion—a propulsion strategy that leverages environmental contact rather than avoiding it. Gravdahl’s major contributions include pioneering the concept of “form closure” for snake robots, defining a configuration space where obstacles render the system fully actuated and robust, a theoretical advance with direct implications for real-world navigation. She has also developed models for hybrid obstacle-aided locomotion (HOAL) and introduced friction-adaptive manoeuvring control for planar snake robots operating in uncertain environments, addressing a critical challenge in field deployment. Her work on proprioceptive contact force estimation offers a hardware-light approach to sensing, enabling more intelligent interaction with surroundings. Beyond snake robots, Gravdahl has contributed to robotic bin-picking by optimizing bin placement and grasp selection under geometric end-effector constraints. With her most cited work accumulating citations in the single digits, Gravdahl is an emerging researcher whose foundational theories are poised to enable snake robots for search-and-rescue, firefighting, and inspection in tight, unpredictable spaces.