User profiles for C. Tzafestas
Costas TzafestasAssociate Professor, National Technical University of Athens, School of Electrical and … Verified email at cs.ntua.gr Cited by 2767 |
Robust sliding-mode control applied to a 5-link biped robot
S Tzafestas, M Raibert, C Tzafestas - Journal of Intelligent and Robotic …, 1996 - Springer
In this paper the application of robust control to a 5-link biped robotic model is investigated
through the sliding mode approach, and compared to pure computed torque control. The …
through the sliding mode approach, and compared to pure computed torque control. The …
Virtual and remote robotic laboratory: Comparative experimental evaluation
CS Tzafestas, N Palaiologou… - IEEE Transactions on …, 2006 - ieeexplore.ieee.org
This paper describes the development and experimental evaluation of an e-laboratory
platform in the field of robotics. The system in its current configuration is designed to enable …
platform in the field of robotics. The system in its current configuration is designed to enable …
Adaptive impedance control in haptic teleoperation to improve transparency under time-delay
C Tzafestas, S Velanas… - 2008 IEEE International …, 2008 - ieeexplore.ieee.org
This paper proposes the application of an adaptive impedance control scheme to alleviate
some of the problems associated with the presence of time delays in a haptic teleoperation …
some of the problems associated with the presence of time delays in a haptic teleoperation …
I-Support: A robotic platform of an assistive bathing robot for the elderly population
… To this end, the following minimal set of audio–gestural commands was defined: { w a s h –
b a c k , w a s h – l e g s , s c r u b – b a c k , s c r u b – l e g s , r i n s e – b a c k , r i n s e – l e g …
b a c k , w a s h – l e g s , s c r u b – b a c k , s c r u b – l e g s , r i n s e – b a c k , r i n s e – l e g …
Temporal occupancy grid for mobile robot dynamic environment mapping
NC Mitsou, CS Tzafestas - 2007 Mediterranean conference on …, 2007 - ieeexplore.ieee.org
Mapping dynamic environments is an open issue in the field of robotics. In this paper, we
extend the well known Occupancy Grid structure to address the problem of generating valid …
extend the well known Occupancy Grid structure to address the problem of generating valid …
Whole-hand kinesthetic feedback and haptic perception in dextrous virtual manipulation
CS Tzafestas - IEEE Transactions on Systems, Man, and …, 2003 - ieeexplore.ieee.org
… Tzafestas (M’99) received the electrical and computer engineering degree from the National
Technical University of Athens (NTUA), Athens, Greece, in 1993 and the DEA and Ph.D. …
Technical University of Athens (NTUA), Athens, Greece, in 1993 and the DEA and Ph.D. …
Mobile robot motion control in partially unknown environments using a sliding-mode fuzzy-logic controller
This paper studies the problem of motion and control law design for a mobile robot that
moves inside a partially unknown environment with stationary obstacles and moving objects, …
moves inside a partially unknown environment with stationary obstacles and moving objects, …
Active exploration and parameterized reinforcement learning applied to a simulated human-robot interaction task
Online model-free reinforcement learning (RL) methods with continuous actions are playing
a prominent role when dealing with real-world applications such as Robotics. However, …
a prominent role when dealing with real-world applications such as Robotics. However, …
Comparative simulation study of three control techniques applied to a biped robot
…, S Tzafestas, C Tzafestas - Proceedings of IEEE …, 1993 - ieeexplore.ieee.org
This paper provides a comparative study, through simulation, of the effectiveness of the local
(decoupled) PD control, the computed torque control, and the sliding mode robust control …
(decoupled) PD control, the computed torque control, and the sliding mode robust control …
Robust sliding-mode control of nine-link biped robot walking
SG Tzafestas, TE Krikochoritis, CS Tzafestas - Journal of Intelligent and …, 1997 - Springer
… Using again the Lagrange dynamic model, the motion equations, during the kick phase,
take a form similar to (2) (the matrices D, C, G are similar to the corresponding matrices of the …
take a form similar to (2) (the matrices D, C, G are similar to the corresponding matrices of the …