Fredrik Linnarsson

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About

Fredrik Linnarsson is a researcher whose work centers on the development and analysis of novel sensor systems for motion capture and biomechanical measurement. His primary research areas include MEMS-based inertial sensing, rigid body kinematics, and the mathematical modeling of sensor fusion techniques. His most notable contribution, detailed in his highly cited 2007 paper "Joint Angular Sensor Based on Distributed Biaxial MEMS Accelerometers," presents a rigorous analysis of two distinct methods—CMR and DCMR—for measuring joint angles using distributed accelerometers. By leveraging the fundamental properties of rigid body motion, Linnarsson systematically explains the advantages and limitations of each approach, providing a critical framework for engineers designing wearable and robotic sensing systems. This work, which has garnered 7 citations, is considered a foundational reference for researchers exploring low-cost, accelerometer-based alternatives to traditional goniometers. Linnarsson’s clear, analytical style and focus on practical sensor limitations have made his research a valuable resource for students and professionals working in human motion analysis, rehabilitation engineering, and soft robotics.