Publications

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2013
Perrin N, Tsagarakis NG, Caldwell DG. Compliant Attitude Control and Stepping Strategy for Balance Recovery with the Humanoid COMAN. In: IEEE International Conference on Intelligent Robots and Systems. IEEE International Conference on Intelligent Robots and Systems. ; 2013.
Tsagarakis NG, Morfey S, Cerda GM, Li Z, Caldwell DG. Compliant Humanoid COMAN: Optimal Joint Stiffness Tuning for Modal Frequency Contro. In: International Conference on Robotics and Automation. International Conference on Robotics and Automation. ; 2013. Available from: http://goo.gl/qYP3KH
Spyrakos-Papastavridis E, Medrano-Cerda G, Tsagarakis NG, Dai JS, Caldwell DG. A Compliant Humanoid Walking Strategy Based on the Switching of State Feedback Gravity Compensation Controllers. In: IEEE International Conference on Intelligent Robots and Systems. IEEE International Conference on Intelligent Robots and Systems. ; 2013.
Ajallooeian M, Sproewitz A, Tuleu A, Ijspeert A. Data-driven Extraction of Drive Functions for Legged Locomotion: A Study on Cheetah-cub Robot. In: AMAM 2013. AMAM 2013. ; 2013. Available from: http://infoscience.epfl.ch/record/185821/files/DriveFunction_MosAjal_AMAM2013_CameraReady.pdf
Ajallooeian M, Tuleu A, Sproewitz A, Ijspeert A. Data-driven extraction of drive functions for legged locomotion: A study on Cheetah-cub robot. In: 6th International Conference on Adaptive Motion of Animals and Machines, 2013. 6th International Conference on Adaptive Motion of Animals and Machines, 2013. ; 2013.
Dallali H, Mosadeghzad M, Medrano-Cerda G, Loc V-G, Tsagarakis NG, Caldwell DG, Gesino M. Designing a High Performance Humanoid Robot Based on Dynamic Simulation. In: European Modelling Symposium. European Modelling Symposium. ; 2013. Available from: http://www.amarsi-project.eu/sites/www.amarsi-project.eu/files/EMS2013_proceeding.pdf (459.8 KB)
Dallali H, Mosadeghzad M, Medrano-Cerda G, Docquier N, Kormushev P, Tsagarakis NG, Li Z, Caldwell DG. Development of a Dynamic Simulator for a Compliant Human-oid Robot Based on a Symbolic Multibody Approach. In: IEEE International Conference on Mechatronics. IEEE International Conference on Mechatronics. ; 2013. Available from: http://kormushev.com/papers/Dallali_ICM-2013.pdf
Spyrakos-Papastavridis E, Medrano-Cerda G, Tsagarakis NG, Dai J, Caldwell DG. Gravity Compensation Control of Compliant Joint Systems with Multiple Drives. In: IEEE International Conference on Robotics and Automation. IEEE International Conference on Robotics and Automation. ; 2013.
Moro F, Sproewitz A, Tuleu A, Tsagarakis NG, Ijspeert A, Caldwell DG. Horse-Like Walking, Trotting and Galloping derived from Kinematic Motion Primitives (kMPs) and their Application to Walk/Trot Transitions in a Compliant Quadruped Robot. Biological Cybernetics [Internet]. 2013 . Available from: http://link.springer.com/article/10.1007%2Fs00422-013-0551-9 (1.99 MB)
Ajallooeian M, Gay S, Tuleu A, Sprowitz A, Ijspeert A. Modular control of limit cycle locomotion over unperceived rough terrain. In: Intelligent Robots and Systems (IROS), 2013 IEEE/RSJ International Conference on. Intelligent Robots and Systems (IROS), 2013 IEEE/RSJ International Conference on. IEEE; 2013.
Mosadeghzad M, Li Z, Tsagarakis NG, Medrano-Cerda G, Dallali H, Caldwell DG. Optimal Ankle Compliance Regulation for Humanoid Balancing Control”, IEEE International Conference on Intelligent Robots and Systems (IROS), 2013, pp 4118-4123. In: IEEE International Conference on Intelligent Robots and Systems. IEEE International Conference on Intelligent Robots and Systems. ; 2013.
Lee J, Dallali H, Tsagarakis NG, Caldwell DG. Robust and Model-Free Link Position Tracking Control for Humanoid COMAN with Multiple Compliant Joints. In: IEEE-RAS International Conference on Humanoid Robots (Humanoids). IEEE-RAS International Conference on Humanoid Robots (Humanoids). ; 2013. Available from: http://www.amarsi-project.eu/sites/www.amarsi-project.eu/files/ICHR_0101.pdf (1.18 MB)
Li Z, Tsagarakis NG, Caldwell DG. Stabilizing Humanoids on Slopes Using Terrain Inclination Estimation. In: IEEE International Conference on Intelligent Robots and Systems. IEEE International Conference on Intelligent Robots and Systems. ; 2013.
Dongming G, Tsagarakis NG, Dai JS, Caldwell DG, Seneviratne L. Stiffness Design for a Spatial Three Degrees of Freedom Serial Compliant Manipulator Based on Impact Configuration Decomposition. ASME Transactinos on Mechanisms Robotics. 2013 .
Sprowitz A, Tuleu A, Vespignani M, Ajallooeian M, Badri E, Ijspeert A. Towards Dynamic Trot Gait Locomotion—Design, Control, and Experiments with Cheetah-cub, a Compliant Quadruped Robot. International Journal of Robotics Research (IJRR). 2013 .
E. Hoffman M, Perrin N, Tsagarakis NG, Caldwell DG. Upper limb compliant strategy exploiting external physical constraints for humanoid fall avoidance. In: IEEE-RAS International Conference on Humanoid Robots. IEEE-RAS International Conference on Humanoid Robots. ; 2013.
Moro F, Tsagarakis NG, Caldwell DG. Walking in the Resonance with the COMAN Robot with Trajectories based on Human kinematic Motion Primitives (kMPs). Autonomous Robots [Internet]. 2013 . Available from: http://link.springer.com/article/10.1007/s10514-013-9357-9 (1.71 MB)
Li Z, Tsagarakis NG, Caldwell DG. Walking Pattern Generation for a Humanoid Robot with Compliant Joints. Autonomous Robots [Internet]. 2013 ;35(1). Available from: http://link.springer.com/article/10.1007/s10514-013-9330-7/fulltext.html
2012
POE S, Ajallooeian M, Ijspeert A. A closed-loop optimal control approach for online control of a planar monoped robot. Climbing and Walking Robot- CLAWAR 2012. 2012 .
Colasanto L, Tsagarakis NG, Caldwell DG. A Compact Model for the Compliant Humanoid Robot COMAN. In: BioRob. BioRob. ; 2012.
Moro F, Tsagarakis NG, Caldwell DG. Efficient Human-like Walking for the COmpliant huMANoid COMAN based on Kinematic Motion Primitives (kMPs). In: IEEE International Conference on Robotics and Automation (ICRA). IEEE International Conference on Robotics and Automation (ICRA). St. Paul, Minnesota; 2012. (1.5 MB)
Dallali H, Kormushev P, Li Z, Caldwell DG. On Global Optimization of Walking Gaits for the Compliant Humanoid Robot, COMAN Using Reinforcement Learning. Journal of Cybernetics and Information Technologies. 2012 ;vol. 12, no. 3:pp. 39-52.
Ugurlu B, Saglia JA, Tsagarakis NG, Caldwell DG. Hopping at the Resonance Frequency: A Trajectory Generation Technique for Bipedal Robots with Elastic Joints. In: IEEE International Conference on Robotics and Automation (ICRA). IEEE International Conference on Robotics and Automation (ICRA). St. Paul, Minnesota; 2012.
Colasanto L, Tsagarakis NG, Li Z, Caldwell DG. Internal Model Control for Improving the Gait tracking of a Compliant Humanoid Robot. In: IROS. IROS. ; 2012.
Moro F, Tsagarakis NG, Caldwell DG. The kinematic Motion Primitives (kMPs) of periodic motions, discrete motions, and motions that are a combination of discrete and periodic movements. In: Cognitive Neuroscience Robotics (CNR) Workshop at the IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS). Cognitive Neuroscience Robotics (CNR) Workshop at the IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS). Vilamoura, Algarve, Portugal; 2012. (2.18 MB)
Moro F, Tsagarakis NG, Caldwell DG. On the kinematic Motion Primitives (kMPs): theory and application. Frontiers in Neurorobotics [Internet]. 2012 ;6. Available from: http://www.frontiersin.org/Neurorobotics/10.3389/fnbot.2012.00010/abstract
Li Z, Tsagarakis NG, Caldwell DG. A Passivity Based Admittance Control for Stabilizing the Compliant Humanoid COMAN. In: IEEE-RAS International Conference on Humanoid Robots. IEEE-RAS International Conference on Humanoid Robots. Osaka, Japan; 2012.
Li Z, Tsagarakis NG, Caldwell DG. A Passivity Based Admittance Control for Stabilizing the Compliant Humanoid COMAN. In: IEEE-RAS International Conference on Humanoid Robots. IEEE-RAS International Conference on Humanoid Robots. Osaka, Japan; 2012. Available from: https://sites.google.com/site/alexrobotics/Online_Humanoid2012.pdf?attredirects=0&d=1
Spyrakos-Papastavridis E, Medrano-Cerda G, Tsagarakis NG, Caldwell DG. A Push Recovery Strategy for a Passively Compliant Humanoid Robot using Decentralized LQR Controllers. In: IEEE International Conference on Mechatronic. IEEE International Conference on Mechatronic. ; 2012. Available from: http://www.amarsi-project.eu/sites/www.amarsi-project.eu/files/ICM_13.pdf (923.37 KB)
Sproewitz A, Tuleu A, Vespignani M, Ajallooeian M, Badri E, Ijspeert A. Robot Trotting with Segmented Legs in Simulation and Hardware. [Internet]. 2012 . Available from: http://infoscience.epfl.ch/record/183545/files/Sproewitz.pdf
Li Z, Vanderborght B, Tsagarakis NG, Colasanto L, Caldwell DG. Stabilization for the Compliant Humanoid Robot COMAN Exploiting Intrinsic and Controlled Compliance. In: IEEE International Conference on Robotics and Automation. IEEE International Conference on Robotics and Automation. Minnesota, USA; 2012. Available from: https://sites.google.com/site/alexrobotics/Online_Stabilizer%20ICRA_V21_Correction.pdf?attredirects=0&d=1
Calinon S, Li Z, Alizadeh T, Tsagarakis NG, Caldwell DG. Statistical dynamical systems for skills acquisition in humanoids. In: Proc. IEEE Intl Conf. on Humanoid Robots (Humanoids), p.323-329. Proc. IEEE Intl Conf. on Humanoid Robots (Humanoids), p.323-329. Osaka, Japan; 2012. Available from: http://www.researchgate.net/publication/234154957_Statistical_dynamical_systems_for_skills_acquisition_in_humanoids/file/32bfe50f99c7f06a98.pdf (1.63 MB)
Li Z, Tsagarakis NG, Caldwell DG. Walking Trajectory Generation for Humanoid Robots with Compliant Joints: Experimentation with COMAN Humanoid. In: IEEE International Conference on Robotics and Automation. IEEE International Conference on Robotics and Automation. Minnesota, USA; 2012. Available from: http://goo.gl/Sj20Gk
2011
Kormushev P, Ugurlu B, Calinon S, Tsagarakis NG, Caldwell DG. Bipedal Walking Energy Minimization by Reinforcement Learning with Evolving Policy Paramerization. In: International Conference on Intelligent Robots and Systems (IROS). International Conference on Intelligent Robots and Systems (IROS). San Francisco, California; 2011. Available from: http://programming-by-demonstration.org/papers/Kormushev-IROS2011.pdf
Ugurlu B, Tsagarakis NG, Spyrakos-Papastavridis E, Caldwell DG. Compliant Joint Modification and Real-Time Dynamic Walking Implementation on Bipedal Robot cCub. In: IEEE International Conference on Mechatronics. IEEE International Conference on Mechatronics. ; 2011.
Sproewitz A, Tuleu A, Ajallooeian M, Moeckel R, Pouya S, Loepelmann P, D’Haene M, Ijspeert A. Design and Dynamic Gait Generation for a Small Compliant Quadruped Robot. [Internet]. 2011 :108-110. Available from: http://www.dynamicwalking.uni-jena.de/node/1
Tsagarakis NG, Li Z, Saglia JA, Caldwell DG. The Design of the Lower Body of the Compliant Humanoid Robot ’’cCub’’. In: International Conference on Robotics and Automation. International Conference on Robotics and Automation. Shanghai; 2011. Available from: http://goo.gl/uoZDO8
Moro F, Tsagarakis NG, Caldwell DG. A Human-like Walking for the COmpliant huMANoid COMAN based on CoM Trajectory Reconstruction from Kinematic Motion Primitives. In: 11th IEEE-RAS International Conference on Humanoid Robots. 11th IEEE-RAS International Conference on Humanoid Robots. Bled, Slovenia; 2011. (3.38 MB)
Gan DM, Tsagarakis NG, Dai JS, Caldwell DG. Joint Stiffness Tuning for Compliant Robots: Protecting the Robot under Accidental Impacts. In: 13th World Congress in Mechanism and Machine Science,2011. 13th World Congress in Mechanism and Machine Science,2011. ; 2011. Available from: http://somim.org.mx/conference_proceedings/pdfs/A23/A23_501.pdf
Sproewitz A, Kuechler L, Tuleu A, Ajallooeian M, D’Haene M, Moeckel R, Ijspeert A. Oncilla Robot, A Light-weight Bio-inspired Quadruped Robot for Fast Locomotion in Rough Terrain. In: Symposium on Adaptive Motion of Animals and Machines (AMAM2011). Symposium on Adaptive Motion of Animals and Machines (AMAM2011). ; 2011. pp. 63-64. Available from: http://adaptivemotion.org/AMAM2011/papers/s323.pdf
Gan DM, Tsagarakis NG, Dai JS, Caldwell DG. Stiffness Design Tuning for Compliant Robots: Protecting the Robot under Accidental Impacts. In: 13th World Congress in Mechanism and Machine Science. 13th World Congress in Mechanism and Machine Science. Washington, DC; 2011.
Tuleu A, Ajallooeian M, Sproewitz A, Loepelmann P, Ijspeert A. Trot Gait Locomotion of a Cat Sized Quadruped Robot. In: ; 2011. Available from: http://www.emn.fr/z-dre/bionic-robots-workshop/uploads/Abstracts%20BRW%202011/59.pdf
2010
Li Z, Vanderborght B, Tsagarakis NG, Caldwell DG. Fast Bipedal Walk Using Large Strides by Modulating Hip Posture and Toe-heel Motion. In: IEEE International Conference on Robotics and Biomimetics, 2010. IEEE International Conference on Robotics and Biomimetics, 2010. ; 2010. Available from: http://goo.gl/9447Yq
Li Z, Vanderborght B, Tsagarakis NG, Caldwell DG. Human-like Walking with Straightened Knees, Toe-off and Heel-strike for the Humanoid Robot iCub. In: UKACC International Conference on CONTROL, 2010. UKACC International Conference on CONTROL, 2010. ; 2010. Available from: http://goo.gl/Elhzan
Li Z, Tsagarakis NG, Caldwell DG, Vanderborght B. Trajectory Generation of Straightened Knee Walking for Humanoid Robot iCub. In: International Conference Control and Automation, Robics and Vision , 2010. International Conference Control and Automation, Robics and Vision , 2010. ; 2010. Available from: http://goo.gl/q2Pm3A (755.57 KB)

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