Raj Kumar Sahu

Papers

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About

Raj Kumar Sahu is a researcher specializing in soft robotics, smart materials, and electromechanical systems, with a particular focus on dielectric elastomer actuators (DEAs) — a class of electroactive polymers that mimic biological muscle behavior. His work bridges fundamental materials science and applied robotics engineering, investigating how elastomeric materials deform and respond under combined mechanical and electrical loading conditions. Sahu's most influential contribution examines microporous polyacrylate dielectric elastomers, exploring their dynamic mechanical and electromechanical properties for soft actuator applications — a study that has already attracted 9 citations since its 2025 publication, signaling strong early interest from the robotics and materials communities. His earlier work on quantifying area strain in DEAs using image processing techniques (2014, 8 citations) demonstrated innovative methodological thinking, providing researchers with practical tools for characterizing large-strain actuation behavior relevant to artificial muscles. His modified electromechanical model for cylindrical DEA configurations further reflects his commitment to improving theoretical frameworks that govern actuator design. Collectively, Sahu's research contributes meaningfully to the growing field of soft robotics, helping engineers better understand and design flexible, biomimetic actuators that could transform prosthetics, medical devices, and autonomous robotic systems.