A push recovery strategy for a passively compliant humanoid robot using decentralized LQR controllers. - Emmanouil Spyrakos-Papastavridis; Gustavo A. Medrano-Cerda; Nikos G. Tsagarakis; Jian S. Dai 001; Darwin G. Caldwell (ICM, 2013)

Gravity compensation control of compliant joint systems with multiple drives. - Emmanouil Spyrakos-Papastavridis; Gustavo A. Medrano-Cerda; Nikos G. Tsagarakis; Jian S. Dai 001; Darwin G. Caldwell (ICRA, 2013)

A compliant humanoid walking strategy based on the switching of state feedback gravity compensation controllers. - Emmanouil Spyrakos-Papastavridis; Gustavo A. Medrano-Cerda; Nikos G. Tsagarakis; Jian S. Dai 001; Darwin G. Caldwell (IROS, 2013)

Optimal human-inspired ankle stiffness regulation for humanoid balancing control. - Mohamad Mosadeghzad; Nikos Karavas; Arash Ajoudani; Nikos G. Tsagarakis; Emmanouil Spyrakos-Papastavridis; Darwin G. Caldwell (Humanoids, 2014)

Lyapunov Stability Margins for humanoid robot balancing. - Emmanouil Spyrakos-Papastavridis; Nicolas Perrin 001; Nikos G. Tsagarakis; Jian S. Dai 001; Darwin G. Caldwell (IROS, 2014)

Optically-regulated impedance-based balancing for humanoid robots. - Emmanouil Spyrakos-Papastavridis; Dimitrios Kanoulas; Nikos G. Tsagarakis; Darwin G. Caldwell (Humanoids, 2015)

Online impedance parameter tuning for compliant biped balancing. - Emmanouil Spyrakos-Papastavridis; Navvab Kashiri; Jinoh Lee; Nikos G. Tsagarakis; Darwin G. Caldwell (Humanoids, 2015)

Balance and impedance optimization control for COmpliant huMANoid stepping. - Emmanouil Spyrakos-Papastavridis; Darwin G. Caldwell; Nikos G. Tsagarakis (IROS, 2016)

Variable impedance walking using Time-Varying Lyapunov Stability Margins. - Emmanouil Spyrakos-Papastavridis; Peter R. N. Childs; Nikos G. Tsagarakis (Humanoids, 2017)

Exploiting the natural dynamics of compliant joint robots for cyclic motions. - Navvab Kashiri; Emmanouil Spyrakos-Papastavridis; Darwin G. Caldwell; Nikos G. Tsagarakis (MMAR, 2017)

An analysis of the effect of gravity compensation on compliant biped walking controllers. - Emmanouil Spyrakos-Papastavridis; Peter R. N. Childs; Nikos G. Tsagarakis (AMC, 2018)

Online impedance regulation techniques for compliant humanoid balancing. - Emmanouil Spyrakos-Papastavridis; Navvab Kashiri; Peter R. N. Childs; Nikos G. Tsagarakis (Robotics Auton. Syst., 2018)

Analytical Expressions of Serial Manipulator Jacobians and their High-Order Derivatives based on Lie Theory*. - Zhongtao Fu; Emmanouil Spyrakos-Papastavridis; Yen-hua Lin; Jian S. Dai 001 (ICRA, 2020)

A Model-Free Solution for Stable Balancing and Locomotion of Floating-base Legged Systems. - Emmanouil Spyrakos-Papastavridis; Jian S. Dai 001 (IROS, 2020)

A Dual Quaternion-Based Approach for Coordinate Calibration of Dual Robots in Collaborative Motion. - Zhongtao Fu; Jiabin Pan; Emmanouil Spyrakos-Papastavridis; Xubing Chen; Miao Li 002 (IEEE Robotics Autom. Lett., 2020)

Minimally Model-Based Trajectory Tracking and Variable Impedance Control of Flexible-Joint Robots. - Emmanouil Spyrakos-Papastavridis; Jian S. Dai 001 (IEEE Trans. Ind. Electron., 2021)

Power-Shaping Model-Based Control With Feedback Deactivation for Flexible-Joint Robot Interaction. - Emmanouil Spyrakos-Papastavridis; Zhongtao Fu; Jian S. Dai 001 (IEEE Robotics Autom. Lett., 2022)

Stable Flexible-Joint Floating-Base Robot Balancing and Locomotion via Variable Impedance Control. - Emmanouil Spyrakos-Papastavridis; Jian S. Dai 001 (IEEE Trans. Ind. Electron., 2023)

Goal-oriented Semantic Communication for Robotic Arm Reconstruction in Digital Twin. - Shutong Chen; Emmanouil Spyrakos-Papastavridis; Yichao Jin; Yansha Deng (GLOBECOM, 2024)

Goal-oriented Semantic Communication for Robot Arm Reconstruction in Digital Twin: Feature and Temporal Selections. - Shutong Chen; Emmanouil Spyrakos-Papastavridis; Yichao Jin; Yansha Deng (CoRR, 2024)

Dynamic modeling of wheeled biped robot and controller design for reducing chassis tilt angle. - Nan Mao; Junpeng Chen; Emmanouil Spyrakos-Papastavridis; Jian S. Dai 001 (Robotica, 2024)

IHUVS: Infinite Homography-Based Uncalibrated Methodology for Robotic Visual Servoing. - Xiaoyu Lei; Zhongtao Fu; Emmanouil Spyrakos-Papastavridis; Jiabin Pan; Miao Li 002; Xubing Chen (IEEE Trans. Ind. Electron., 2024)