Costas S. Tzafestas

101 papers A* 9A 10B 7C 1Misc 2Journal 32Unranked 40

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	A Shared-Control Framework for A Human-Robot Front-Following Behaviour in Unknown Dynamic Environments. Int. J. Soc. Robotics George Moustris, Costas S. Tzafestas
2025	—	`conf`	A Visibility-Based Near-Optimal Planner for Robotic Inspection in Ultra High Voltage Centers. ECC Andreas Vatistas, George P. Moustris, Costas S. Tzafestas
2025	—	`conf`	Constructing Visibility Maps of Optimal Positions for Robotic Inspection in Ultra-High Voltage Centers. MED Panagiotis Mermigkas, George P. Moustris, Costas S. Tzafestas, Petros Maragos
2025	A*	`conf`	Proactive Tactile Exploration for Object-Agnostic Shape Reconstruction from Minimal Visual Priors. ICRA Paris Oikonomou, George Retsinas, Petros Maragos, Costas S. Tzafestas
2025	J	`jnl`	Proactive tactile exploration for object-agnostic shape reconstruction from minimal visual priors. CoRR Paris Oikonomou, George Retsinas, Petros Maragos, Costas S. Tzafestas
2024	J	`jnl`	A Comparative Study of Real-Time Implementable Cooperative Aerial Manipulation Systems. CoRR Stamatina C. Barakou, Costas S. Tzafestas, Kimon P. Valavanis
2024	—	`conf`	Localization and Offline Mapping of High-Voltage Substations in Rough Terrain Using a Ground Vehicle. MED Ioannis Alamanos, George P. Moustris, Costas S. Tzafestas
2024	J	`jnl`	Localization and Offline Mapping of High-Voltage Substations in Rough Terrain Using a Ground Vehicle. CoRR Ioannis Alamanos, George P. Moustris, Costas S. Tzafestas
2024	—	`conf`	Online Prediction of Novel Trajectories Using a Library of Movement Primitives. ICDL Paris Oikonomou, Athanasios Dometios, Mehdi Khamassi, Costas S. Tzafestas
2024	—	`conf`	SoftGrip: Towards a Soft Robotic Platform for Automatized Mushroom Harvesting. ERF (1) Niccolò Pagliarani, Costas S. Tzafestas, Evangelos Papadopoulos, Petros Maragos, Athanasios S. Mastrogeorgiou, Antonios Porichis, Helen Grogan, Robin Ehrhardt, Matteo Cianchetti
2024	—	`conf`	Straight Walking Gait Parameter Prediction with a Reduced Number of Sensors. MED Maximilian Maniacco, Costas S. Tzafestas, Angelika Peer
2023	J	`jnl`	A long distance telesurgical demonstration on robotic surgery phantoms over 5G. Int. J. Comput. Assist. Radiol. Surg. George Moustris, Costas S. Tzafestas, Konstantinos Konstantinidis
2023	J	`jnl`	Interaction Control of a Robotic Manipulator With the Surface of Deformable Object. IEEE Trans. Robotics Athanasios C. Dometios, Costas S. Tzafestas
2023	J	`jnl`	Zero-shot model-free learning of periodic movements for a bio-inspired soft-robotic arm. Frontiers Robotics AI Paris Oikonomou, Athanasios Dometios, Mehdi Khamassi, Costas S. Tzafestas
2022	—	`conf`	Modelling and Analysis of a Parallel Double Delta Mechanism for Robotic Surgery. MED George P. Moustris, Costas S. Tzafestas
2022	A*	`conf`	Reproduction of Human Demonstrations with a Soft-Robotic Arm based on a Library of Learned Probabilistic Movement Primitives. ICRA Paris Oikonomou, Athanasios Dometios, Mehdi Khamassi, Costas S. Tzafestas
2021	A	`conf`	Deep Leg Tracking by Detection and Gait Analysis in 2D Range Data for Intelligent Robotic Assistants. IROS Danai Efstathiou, Georgia Chalvatzaki, Athanasios Dometios, Dionisios Spiliopoulos, Costas S. Tzafestas
2021	A	`conf`	Task Driven Skill Learning in a Soft-Robotic Arm. IROS Paris Oikonomou, Athanasios Dometios, Mehdi Khamassi, Costas S. Tzafestas
2021	J	`jnl`	The i-Walk Lightweight Assistive Rollator: First Evaluation Study. Frontiers Robotics AI George Moustris, Nikolaos Kardaris, Antigoni Tsiami, Georgia Chalvatzaki, Petros Koutras, Athanasios Dometios, Paris Oikonomou, Costas S. Tzafestas, Petros Maragos, Eleni Efthimiou, Xanthi S. Papageorgiou, Stavroula-Evita Fotinea, Yiannis Koumpouros, Anna Vacalopoulou, Effie Papageorgiou, Alexandra Karavasili, Foteini Koureta, Dimitris Dimou, Alexandros Nikolakakis, Konstantinos Karaiskos, Panagiotis Mavridis
2021	A	`conf`	Towards a User Adaptive Assistive Robot: Learning from Demonstration Using Navigation Functions. IROS Xanthi S. Papageorgiou, Athanasios C. Dometios, Costas S. Tzafestas
2020	J	`jnl`	A Novel Reinforcement-Based Paradigm for Children to Teach the Humanoid Kaspar Robot. Int. J. Soc. Robotics Abolfazl Zaraki, Mehdi Khamassi, Luke Jai Wood, Gabriella Lakatos, Costas S. Tzafestas, Farshid Amirabdollahian, Ben Robins, Kerstin Dautenhahn
2020	J	`jnl`	I-Support: A robotic platform of an assistive bathing robot for the elderly population. Robotics Auton. Syst. Athanasia Zlatintsi, A. C. Dometios, Nikolaos Kardaris, Isidoros Rodomagoulakis, Petros Koutras, Xanthi S. Papageorgiou, Petros Maragos, Costas S. Tzafestas, Panagiotis Vartholomeos, Klaus Hauer, Christian Werner, Roberta Annicchiarico, Maria Giovanna Lombardi, Fulvia Adriano, Tamim Asfour, Angelo M. Sabatini, Cecilia Laschi, Matteo Cianchetti, Rafael López
2020	A*	`conf`	Periodic movement learning in a soft-robotic arm ICRA Paris Oikonomou, Mehdi Khamassi, Costas S. Tzafestas
2020	—	`conf`	The I-Walk Assistive Robot - A Multimodal Intelligent Robotic Rollator Providing Cognitive and Mobility Assistance to the Elderly and Motor-Impaired. HFR George Moustris, Nikolaos Kardaris, Antigoni Tsiami, Georgia Chalvatzaki, Petros Koutras, Athanasios Dometios, Paris Oikonomou, Costas S. Tzafestas, Petros Maragos, Eleni Efthimiou, Xanthi S. Papageorgiou, Stavroula-Evita Fotinea, Yiannis Koumpouros, Anna Vacalopoulou, Alexandra Karavasili, Alexandros Nikolakakis, Konstantinos Karaiskos, Panagiotis Mavridis
2020	—	`conf`	i-Walk Intelligent Assessment System: Activity, Mobility, Intention, Communication. ECCV Workshops (4) Georgia Chalvatzaki, Petros Koutras, Antigoni Tsiami, Costas S. Tzafestas, Petros Maragos
2019	A	`conf`	A Deep Learning Approach for Multi-View Engagement Estimation of Children in a Child-Robot Joint Attention Task. IROS Jack Hadfield, Georgia Chalvatzaki, Petros Koutras, Mehdi Khamassi, Costas S. Tzafestas, Petros Maragos
2019	A*	`conf`	LSTM-based Network for Human Gait Stability Prediction in an Intelligent Robotic Rollator. ICRA Georgia Chalvatzaki, Petros Koutras, Jack Hadfield, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos
2019	J	`jnl`	Learn to Adapt to Human Walking: A Model-Based Reinforcement Learning Approach for a Robotic Assistant Rollator. IEEE Robotics Autom. Lett. Georgia Chalvatzaki, Xanthi S. Papageorgiou, Petros Maragos, Costas S. Tzafestas
2019	B	`conf`	Video Processing and Learning in Assistive Robotic Applications. ICIP Petros Koutras, Georgia Chalvatzaki, Antigoni Tsiami, Alexandros Nikolakakis, Costas S. Tzafestas, Petros Maragos
2018	J	`jnl`	A Deep Learning Approach for Multi-View Engagement Estimation of Children in a Child-Robot Joint Attention task. CoRR Jack Hadfield, Georgia Chalvatzaki, Petros Koutras, Mehdi Khamassi, Costas S. Tzafestas, Petros Maragos
2018	B	`conf`	A Framework for Robot Learning During Child-Robot Interaction with Human Engagement as Reward Signal. RO-MAN Mehdi Khamassi, Georgia Chalvatzaki, Theodore Tsitsimis, George Velentzas, Costas S. Tzafestas
2018	J	`jnl`	Adaptive reinforcement learning with active state-specific exploration for engagement maximization during simulated child-robot interaction. Paladyn J. Behav. Robotics George Velentzas, Theodore Tsitsimis, Iñaki Rañó, Costas S. Tzafestas, Mehdi Khamassi
2018	J	`jnl`	Augmented Human State Estimation Using Interacting Multiple Model Particle Filters With Probabilistic Data Association. IEEE Robotics Autom. Lett. Georgia Chalvatzaki, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos
2018	—	`conf`	Feedback Equivalence Between Curve & Straight Line Tracking for Unmanned Aerial Vehicles. ECC George P. Moustris, Panagiotis Kyriakis, Costas S. Tzafestas
2018	Misc	`conf`	Multimodal Signal Processing and Learning Aspects of Human-Robot Interaction for an Assistive Bathing Robot. ICASSP Athanasia Zlatintsi, Isidoros Rodomagoulakis, Petros Koutras, A. C. Dometios, Vassilis Pitsikalis, Costas S. Tzafestas, Petros Maragos
2018	A	`conf`	Object Assembly Guidance in Child-Robot Interaction using RGB-D based 3D Tracking. IROS Jack Hadfield, Petros Koutras, Niki Efthymiou, Gerasimos Potamianos, Costas S. Tzafestas, Petros Maragos
2018	J	`jnl`	On-line Human Gait Stability Prediction using LSTMs for the fusion of Deep-based Pose Estimation and LRF-based Augmented Gait State Estimation in an Intelligent Robotic Rollator. CoRR Georgia Chalvatzaki, Petros Koutras, Jack Hadfield, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos
2018	J	`jnl`	Robot Fast Adaptation to Changes in Human Engagement During Simulated Dynamic Social Interaction With Active Exploration in Parameterized Reinforcement Learning. IEEE Trans. Cogn. Dev. Syst. Mehdi Khamassi, George Velentzas, Theodore Tsitsimis, Costas S. Tzafestas
2018	A	`conf`	User-Adaptive Human-Robot Formation Control for an Intelligent Robotic Walker Using Augmented Human State Estimation and Pathological Gait Characterization. IROS Georgia Chalvatzaki, Xanthi S. Papageorgiou, Petros Maragos, Costas S. Tzafestas
2018	J	`jnl`	Vision-Based Online Adaptation of Motion Primitives to Dynamic Surfaces: Application to an Interactive Robotic Wiping Task. IEEE Robotics Autom. Lett. Athanasios C. Dometios, You Zhou, Xanthi S. Papageorgiou, Costas S. Tzafestas, Tamim Asfour
2017	—	`conf`	Active Exploration and Parameterized Reinforcement Learning Applied to a Simulated Human-Robot Interaction Task. IRC Mehdi Khamassi, George Velentzas, Theodore Tsitsimis, Costas S. Tzafestas
2017	A*	`conf`	Comparative experimental validation of human gait tracking algorithms for an intelligent robotic rollator. ICRA Georgia Chalvatzaki, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos
2017	B	`conf`	Estimating double support in pathological gaits using an HMM-based analyzer for an intelligent robotic walker. RO-MAN Georgia Chalvatzaki, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos
2017	—	`conf`	Intelligent Assistive Robotic Systems for the elderly: Two real-life use cases. PETRA Xanthi S. Papageorgiou, Georgia Chalvatzaki, Athanasios Dometios, Costas S. Tzafestas, Petros Maragos
2017	J	`jnl`	Multimodal Signal Processing and Learning Aspects of Human-Robot Interaction for an Assistive Bathing Robot. CoRR Athanasia Zlatintsi, Isidoros Rodomagoulakis, Petros Koutras, A. C. Dometios, Vassilis Pitsikalis, Costas S. Tzafestas, Petros Maragos
2017	A	`conf`	Real-time end-effector motion behavior planning approach using on-line point-cloud data towards a user adaptive assistive bath robot. IROS Athanasios C. Dometios, Xanthi S. Papageorgiou, Antonis Arvanitakis, Costas S. Tzafestas, Petros Maragos
2017	—	`conf`	Social Human-Robot Interaction for the Elderly: Two Real-life Use Cases. HRI (Companion) Athanasia Zlatintsi, Isidoros Rodomagoulakis, Vassilis Pitsikalis, Petros Koutras, Nikolaos Kardaris, Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos
2017	A	`conf`	Towards a user-adaptive context-aware robotic walker with a pathological gait assessment system: First experimental study. IROS Georgia Chalvatzaki, Xanthi S. Papageorgiou, Costas S. Tzafestas
2016	J	`jnl`	Active exploration in parameterized reinforcement learning. CoRR Mehdi Khamassi, Costas S. Tzafestas
2016	—	`conf`	Assistive front-following control of an intelligent robotic rollator based on a modified dynamic window planner. BioRob George P. Moustris, Costas S. Tzafestas
2016	—	`conf`	Experimental comparison of human gait tracking algorithms: Towards a context-aware mobility assistance robotic walker. MED Georgia Chalvatzaki, Xanthi S. Papageorgiou, Christian Werner, Klaus Hauer, Costas S. Tzafestas, Petros Maragos
2016	—	`conf`	Experimental validation of human pathological gait analysis for an assisted living intelligent robotic walker. BioRob Xanthi S. Papageorgiou, Georgia Chalvatzaki, Konstantinos-Nektarios Lianos, Christian Werner, Klaus Hauer, Costas S. Tzafestas, Petros Maragos
2016	—	`conf`	Human Joint Angle Estimation and Gesture Recognition for Assistive Robotic Vision. ECCV Workshops (2) Riza Alp Güler, Nikolaos Kardaris, Siddhartha Chandra, Vassilis Pitsikalis, Christian Werner, Klaus Hauer, Costas S. Tzafestas, Petros Maragos, Iasonas Kokkinos
2016	—	`conf`	Intention-based front-following control for an intelligent robotic rollator in indoor environments. SSCI George P. Moustris, Costas S. Tzafestas
2016	J	`jnl`	Model-free learning on robot kinematic chains using a nested multi-agent topology. J. Exp. Theor. Artif. Intell. John N. Karigiannis, Costas S. Tzafestas
2016	—	`conf`	Simplifying mobile robot tracking control through feedback equivalence. MED George P. Moustris, Costas S. Tzafestas
2016	—	`conf`	The MOBOT Human-Robot Interaction: Showcasing Assistive HRI. PCI Stavroula-Evita Fotinea, Eleni Efthimiou, Theodore Goulas, Athanasia-Lida Dimou, Costas S. Tzafestas, Vassilis Pitsikalis
2016	—	`conf`	The MOBOT Platform - Showcasing Multimodality in Human-Assistive Robot Interaction. HCI (8) Eleni Efthimiou, Stavroula-Evita Fotinea, Theodore Goulas, Athanasia-Lida Dimou, Maria Koutsombogera, Vassilis Pitsikalis, Petros Maragos, Costas S. Tzafestas
2016	—	`conf`	The MOBOT rollator human-robot interaction model and user evaluation process. SSCI Eleni Efthimiou, Stavroula-Evita Fotinea, Theodore Goulas, Maria Koutsombogera, Panagiotis Karioris, Anna Vacalopoulou, Isidoros Rodomagoulakis, Petros Maragos, Costas S. Tzafestas, Vassilis Pitsikalis, Yiannis Koumpouros, Alexandra Karavasili, Panagiotis Siavelis, Foteini Koureta, Despoina Alexopoulou
2016	—	`conf`	Towards ICT-supported bath robots: Control architecture description and localized perception of user for robot motion planning. MED Athanasios C. Dometios, Xanthi S. Papageorgiou, Costas S. Tzafestas, Panagiotis Vartholomeos
2015	A	`conf`	Hidden markov modeling of human pathological gait using laser range finder for an assisted living intelligent robotic walker. IROS Xanthi S. Papageorgiou, Georgia Chalvatzaki, Costas S. Tzafestas, Petros Maragos
2015	—	`conf`	The MOBOT human-robot communication model. CogInfoCom Stavroula-Evita Fotinea, Eleni Efthimiou, Maria Koutsombogera, Athanasia-Lida Dimou, Theodore Goulas, Petros Maragos, Costas S. Tzafestas
2014	—	`conf`	Advances in Intelligent Mobility Assistance Robot Integrating Multimodal Sensory Processing. HCI (6) Xanthi S. Papageorgiou, Costas S. Tzafestas, Petros Maragos, Georgios Pavlakos, Georgia Chalvatzaki, George Moustris, Iasonas Kokkinos, Angelika Peer, Bartlomiej Stanczyk, Evita-Stavroula Fotinea, Eleni Efthimiou
2014	—	`conf`	Data Acquisition towards Defining a Multimodal Interaction Model for Human - Assistive Robot Communication. HCI (6) Evita-Stavroula Fotinea, Eleni Efthimiou, Athanasia-Lida Dimou, Theodore Goulas, Panayotis Karioris, Angelika Peer, Petros Maragos, Costas S. Tzafestas, Iasonas Kokkinos, Klaus Hauer, Katja D. Mombaur, Yiannis Koumpouros, Bartlomiej Stanczyk
2014	A*	`conf`	Hidden Markov modeling of human normal gait using laser range finder for a mobility assistance robot. ICRA Xanthi S. Papageorgiou, Georgia Chalvatzaki, Costas S. Tzafestas, Petros Maragos
2014	J	`jnl`	RMAP: a rectangular cuboid approximation framework for 3D environment mapping. Auton. Robots Sheraz Khan, Athanasios Dometios, Christos K. Verginis, Costas S. Tzafestas, Dirk Wollherr, Martin Buss
2014	—	`conf`	Towards an intelligent robotic walker for assisted living using multimodal sensorial data. MobiHealth Georgia Chalvatzaki, Georgios Pavlakos, Kevis-Kokitsi Maninis, Xanthi S. Papageorgiou, Vassilis Pitsikalis, Costas S. Tzafestas, Petros Maragos
2013	—	`conf`	Active motion compensation in robotic cardiac surgery. ECC George P. Moustris, Andreas I. Mantelos, Costas S. Tzafestas
2013	—	`conf`	Enhancing surgical accuracy using virtual fixtures and motion compensation in robotic beating heart surgery. MED George P. Moustris, Andreas I. Mantelos, Costas S. Tzafestas
2013	A*	`conf`	Shared control for motion compensation in robotic beating heart surgery. ICRA George P. Moustris, Andreas I. Mantelos, Costas S. Tzafestas
2013	J	`jnl`	Telehaptic Perception of Delayed Stiffness Using Adaptive Impedance Control: Experimental Psychophysical Analysis. Presence Teleoperators Virtual Environ. Costas S. Tzafestas, Spyros Velanas
2012	C	`conf`	An optimization approach for 3D environment mapping using normal vector uncertainty. ICARCV Sheraz Khan, Nikos Mitsou, Dirk Wollherr, Costas S. Tzafestas
2012	B	`conf`	Model-mediated telehaptic perception of delayed curvature. RO-MAN Spyros Velanas, Costas S. Tzafestas
2012	—	`conf`	Online Semantic Mapping of Urban Environments. Spatial Cognition Nikos Mitsou, Roderick de Nijs, David Lenz, Johannes Frimberger, Dirk Wollherr, Kolja Kühnlenz, Costas S. Tzafestas
2011	—	`conf`	Revealing Cluster Formation over Huge Volatile Robotic Data. ICDM Workshops Nikos Mitsou, Irene Ntoutsi, Dirk Wollherr, Costas S. Tzafestas, Hans-Peter Kriegel
2010	—	`conf`	Fuzzy rule based neuro-dynamic programming for mobile robot skill acquisition on the basis of a nested multi-agent architecture. ROBIO John N. Karigiannis, Theodoros I. Rekatsinas, Costas S. Tzafestas
2010	B	`conf`	Human telehaptic perception of stiffness using an adaptive impedance reflection bilateral teleoperation control scheme. RO-MAN Spyros Velanas, Costas S. Tzafestas
2009	B	`conf`	Gestural teleoperation of a mobile robot based on visual recognition of sign language static handshapes. RO-MAN Costas S. Tzafestas, Nikos Mitsou, Nikos Georgakarakos, Olga Diamanti, Petros Maragos, Stavroula-Evita Fotinea, Eleni Efthimiou
2009	—	`conf`	Stereo Analysis of Archaelogical Scenes Using Monogenic Signal Representation. VISIGRAPP (Selected Papers) Manthos Alifragis, Costas S. Tzafestas
2009	—	`conf`	Stereo Pair Matching of Archaeological Scenes using Phase Domain Methods. IMAGAPP Manthos Alifragis, Costas S. Tzafestas
2008	A*	`conf`	Adaptive impedance control in haptic teleoperation to improve transparency under time-delay. ICRA Costas S. Tzafestas, Spyros Velanas, George Fakiridis
2008	J	`jnl`	Pilot Evaluation Study of a Virtual Paracentesis Simulator for Skill Training and Assessment: The Beneficial Effect of Haptic Display. Presence Teleoperators Virtual Environ. Costas S. Tzafestas, Kostas Birbas, Yiannis Koumpouros, Dimitris Christopoulos
2007	—	`conf`	Maximum Likelihood SLAM in Dynamic Environments. ICTAI (1) Nikos Mitsou, Costas S. Tzafestas
2006	J	`jnl`	Virtual and remote robotic laboratory: comparative experimental evaluation. IEEE Trans. Educ. Costas S. Tzafestas, Nektaria Palaiologou, Manthos Alifragis
2006	B	`conf`	Visuo-Haptic Interface for Teleoperation of Mobile Robot Exploration Tasks. RO-MAN Nikos Mitsou, Spyros Velanas, Costas S. Tzafestas
2004	—	`conf`	Haptic interaction in VR-based paracentesis simulation for dexterity enhancement and assessment. CARS Costas S. Tzafestas, Yiannis Koumpouros, Kostas Birbas
2003	J	`jnl`	Whole-hand kinesthetic feedback and haptic perception in dextrous virtual manipulation. IEEE Trans. Syst. Man Cybern. Part A Costas S. Tzafestas
2002	J	`jnl`	Shape Connectivity: Multiscale Analysis and Application to Generalized Granulometries. J. Math. Imaging Vis. Costas S. Tzafestas, Petros Maragos
2001	—	`conf`	Segmentation of soil section images using connected operators. ICIP (3) Anastasia Sofou, Costas S. Tzafestas, Petros Maragos
2000	J	`jnl`	Mobile robot motion control in partially unknown environments using a sliding-mode fuzzy-logic controller. Robotics Auton. Syst. Gerasimos G. Rigatos, Costas S. Tzafestas, Spyros G. Tzafestas
1999	—	`conf`	Recent algorithms for fuzzy and neurofuzzy path planning and navigation of autonomous mobile robots. ECC Costas S. Tzafestas, Spyros G. Tzafestas
1998	Misc	`conf`	A unified model for multimedia retrieval by content. CATA Punpiti Piamsa-nga, Nikitas A. Alexandridis, George C. Blankenship Jr., George K. Papakonstantinou, Panayotis Tsanakas, Costas S. Tzafestas
1998	J	`jnl`	Path Planning and Control of a Cooperative Three-Robot System Manipulating Large Objects. J. Intell. Robotic Syst. Costas S. Tzafestas, Platon A. Prokopiou, Spyros G. Tzafestas
1997	J	`jnl`	Adaptive Impedance Control Applied to a Pneumatic Legged Robot. J. Intell. Robotic Syst. Costas S. Tzafestas, Nacer K. M'Sirdi, N. Manamani
1997	A*	`conf`	Computing optimal forces for generalised kinesthetic feedback on the human hand during virtual grasping and manipulation. ICRA Costas S. Tzafestas, Philippe Coiffet
1997	J	`jnl`	Robust Sliding-mode Control of Nine-link Biped Robot Walking. J. Intell. Robotic Syst. Spyros G. Tzafestas, Thanassis E. Krikochoritis, Costas S. Tzafestas
1997	—	`conf`	Robust telemanipulator control using a partitioned neural network architecture. ICNN Spyros G. Tzafestas, Platon A. Prokopiou, Costas S. Tzafestas
1997	A	`conf`	The hidden robot concept-high level abstraction teleoperation. IROS Abderrahmane Kheddar, Costas S. Tzafestas, Philippe Coiffet
1996	J	`jnl`	Multi-robot teleoperation using direct human hand actions. Adv. Robotics Abderrahmane Kheddar, Costas S. Tzafestas, Philippe Coiffet, Tetsuo Kotoku, Kazuo Tanie
1996	J	`jnl`	Robust sliding-mode control applied to a 5-link biped robot. J. Intell. Robotic Syst. Spyros G. Tzafestas, Mark Raibert, Costas S. Tzafestas
1995	—	`conf`	Two-stage adaptive impedance control applied to a legged robot. IROS (3) Costas S. Tzafestas, Marina Guihard, Nacer K. M'Sirdi