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About

Jeffrey R. Koller is a biomedical engineer and robotics researcher whose work sits at the intersection of neural control, biomechanics, and assistive wearable technology, with a particular focus on robotic ankle exoskeletons for enhancing human locomotion. His research has made significant contributions to the development of myoelectric control strategies, demonstrating how adaptive gain proportional controllers can reduce metabolic cost during walking — work that has garnered over 170 citations and helped establish a foundation for more intuitive human-robot interaction. Koller has been instrumental in advancing "body-in-the-loop" optimization frameworks, which use real-time physiological feedback to automatically tune assistive devices, a methodology cited over 110 times and now widely adopted in the field. His comparative investigations of neural versus mechanically intrinsic control approaches have provided the research community with critical empirical grounding for ongoing debates about optimal exoskeleton design. Additionally, his work on instantaneous cost mapping has offered practical tools for subject-specific parameter tuning in lower-limb devices. Collectively, Koller's contributions have helped bridge the gap between laboratory exoskeleton research and the broader goal of developing truly personalized, effective assistive technologies.