Karthikeyan Rajagopal

Papua New Guinea University of Technology, Chennai Mathematical Institute

Papers

Total Citations

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About

Karthikeyan Rajagopal is a leading researcher at the intersection of nonlinear dynamics, robotics, and chaos theory. His work primarily explores the complex behaviors of mechanical and robotic systems, with a particular focus on bipedal locomotion, chaotic path planning, and flexible manipulator control. In a highly cited 2018 study (25 citations), Rajagopal uncovered hidden attractors in the passive motion of a compass-gait robot, revealing critical insights into the stability and bifurcation dynamics of biped robots on sloping surfaces—work that has significant implications for more natural and energy-efficient walking robots. He further advanced the field with a 2021 paper (20 citations) introducing a novel one-dimensional chaotic map for 3D area coverage path planning, demonstrating how simple chaotic systems can generate pseudo-random bit sequences for efficient robotic exploration. Most recently, his 2024 investigation into nonlinear stiffness effects on flexible joint robotic manipulators underscores his ongoing commitment to improving robot control and stability. With a growing citation record and a talent for translating abstract nonlinear theory into practical robotic applications, Rajagopal stands out as a key innovator in the quest for smarter, more adaptive autonomous systems.