International Journal Publications

  1. Konstantinos Tziortziotis, Nikolaos Tziortziotis, Kostas Vlachos, and Konstantinos Blekas, Motion Planning with Energy Reduction for a Floating Robotic Platform under Disturbances and Measurement Noise using Reinforcement Learning, International Journal on Artificial Intelligence Tools, Vol. 27, No. 04, June 2018. [pdf]
  2. Konstantinos Blekas, Kostas Vlachos, RL-based path planning for an over-actuated floating vehicle under disturbances, Robotics and Autonomous Systems, Volume 101, March 2018, Pages 93-102. [pdf]
  3. Kostas Vlachos, Evangelos Papadopoulos, Modeling and control of a novel over-actuated marine floating platform, Ocean Engineering, Volume 98, 1 April 2015, Pages 10-22. [pdf]
  4. Vlachos, K.; Papadimitriou, D.; and Papadopoulos, E., "Vibration-Driven Microrobot Positioning Methodologies for Nonholonomic Constraint Compensation," Engineering Transactions of CAE, Special Issue on Robotics (invited), Volume 1, Issue 1, March 2015, Pages 66-72. [pdf]
  5. Vartholomeos, P.; Vlachos, K.; Papadopoulos, E., "Analysis and Motion Control of a Centrifugal-Force Microrobotic Platform," Automation Science and Engineering, IEEE Transactions on, vol.10, no.3, pp.545,553, July 2013. [pdf]
  6. Vlachos, K.; and Papadopoulos, E., “Analysis and Experiments of a Haptic Tele-Manipulation Environment for a Microrobot Driven by Centripetal Forces,” ASME Journal of Computing Sciences and Information in Engineering - Special Issue on Haptics, Tactile and Multimodal Interfaces, Vol. 8, No. 4, December 2008. [pdf]
  7. Papadopoulos, E.; Tsamis, A.; and Vlachos, K., “Development of a Real-time Visual and Force Environment for a Haptic Medical Training Simulator,” Artificial Life and Robotics, Vol. 12, No. 1-2, March 2008, pp. 307-316. [pdf]
  8. Vlachos, K.; and Papadopoulos, E., “Transparency Maximization Methodology for Haptic Devices,” IEEE/ASME Transactions on Mechatronics, Vol. 11, No. 3, June 2006, pp. 249-255. [pdf]
  9. Vlachos, K.; Papadopoulos, E. and Mitropoulos, D., “Design and Implementation of a Haptic Device for Training in Urological Operations,” IEEE Transactions on Robotics and Automation, Vol. 19, No. 5, October 2003, pp. 801-809. [pdf]

Refereed International Conference Proceedings

  1. Tziortziotis, K.; Vlachos, K.; and Blekas, K., “Reinforcement Learning-based Motion Planning of a Triangular Floating Platform under Environmental Disturbances,” Proc. IEEE 24th Mediterranean Conference on Control and Automation (MED'16), Athens, Greece, June 21-24, 2016. [pdf]
  2. Tziortziotis, K.; Tziortziotis, N.; Vlachos, K.; and Blekas, K., “Autonomous Navigation of an Over-actuated Marine Platform Using Reinforcement Learning,” Proc. 9th Hellenic Conference on AI (SETN 2016), Thessaloniki, Greece, May 18-20, 2016, also in Proceedings of the 9th Hellenic Conference on Artificial Intelligence (SETN '16), Nick Bassiliades, Antonis Bikakis, Dimitrios Vrakas, Ioannis Vlahavas, and George Vouros (Eds.). ACM, New York, NY, USA, 2016, Article 11 , 7 pages. [pdf]
  3. (Best Student Paper Award)
  4. Tsopelakos, A.; Vlachos, K.; Papadopoulos, E., “Backstepping Control with Energy Reduction for an Over-Actuated Marine Platform,” Proc. 2015 IEEE International Conference on Robotics and Automation (ICRA’15), Washington, Seattle, May 26-30, 2015. [pdf]
  5. Tsopelakos, A.; Vlachos, K.; Papadopoulos, E., "Design of a linear model predictive controller for an overactuated triangular floating platform," Control Applications (CCA), 2014 IEEE Conference on, pp.891,896, 8-10 Oct. 2014, Antibes, France. [pdf]
  6. Vlachos, K.; and Papadopoulos, E., “Design and Experimental Validation of a Hybrid Micro Tele-Manipulation System,” Proc. 8th Hellenic Conference on AI (SETN 2014), Ioannina, Greece, May 15-17, also in Artificial Intelligence: Methods and Applications, ser. Lecture Notes in Computer Science, A. Likas, K. Blekas, and D. Kalles, Eds., vol. 8445. Springer, 2014, pp. 164–177. [pdf]
  7. Spartali, I.; Vlachos, K.; and Papadopoulos, E., “Speed Control of Vibration Micro-motors of a Micro-Robotic Platform,” Proc. IEEE 21st Mediterranean Conference on Control and Automation (MED'13), June 25-28, 2013, Chania, Crete, Greece. [pdf]
  8. Vlachos, K.; and Papadopoulos, E., “Control Design and Allocation of an Over-Actuated Triangular Floating Platform,” Proc. 2010 IEEE International Conference on Robotics and Automation (ICRA’10), Anchorage, Alaska, May 3-8, 2010, pp. 3739-3744. [pdf]
  9. Repoulias, F.; Vlachos, K.; and Papadopoulos, E., “Modeling and Control of a Triangular Floating Platform Driven by Rotating Jets,” Proc. IEEE 16th Mediterranean Conference on Control and Automation (MED'08), June 25-27, 2008, Ajaccio, France, pp. 487-492. [pdf]
  10. Vlachos, K.; Vartholomeos, P.; and Papadopoulos, E., “A Haptic Tele-Manipulation Environment for a Vibration-Driven Micromechatronic Device,” Proc. IEEE/ASME International Conference on Advanced Intelligent Mechatronics Systems (AIM’07), Sep. 4-7, 2007, ETH Zurich, Switzerland. [pdf]
  11. Vartholomeos, P.; Vlachos, K.; and Papadopoulos, E., “On the Force Capabilities of Centripetal Force-actuated Microrobotic Platforms,” Proc. IEEE International Conference on Robotics and Automation (ICRA’07), April 10-14, 2007, Roma, Italy, pp. 1116-1121. [pdf]
  12. Vlachos, K.; and Papadopoulos, E., “Using Force Control for Fidelity in Low-Force Medical Haptic Simulators,” Proc. IEEE International Conference on Control Applications (CCA’06), Oct. 4-6, 2006, Munich, Germany, pp. 181-186. [pdf]
  13. Vlachos, K.; and Papadopoulos, E., “Force Control Law Design for a Five Degree-of-Freedom Haptic Mechanism,” Proc. IASTED International Conference on Robotics and Applications (RA’05), Oct. 31-Nov. 2, 2005, Cambridge, USA, pp. 232-237. [pdf]
  14. Vlachos, K.; and Papadopoulos, E., “Endpoint-Side Optimization of a Five Degree-of-Freedom Haptic Mechanism,” Proc. IEEE 13th Mediterranean Conference on Control and Automation (MED'05), June 27-29, 2005, Limassol, Cyprus, pp. 674-679. [pdf]
  15. Vlachos, K.; Papadopoulos, E.; and Mitropoulos, D., “Mass/Inertia and Joint Friction Minimization for a Low-force Five-dof Haptic Device,” Proc. IEEE International Conference on Robotics and Automation (ICRA’04), April 26-May 1, 2004, New Orleans, Louisiana, pp. 286-291. [pdf]
  16. Papadopoulos, E.; Tsamis, A.; and Vlachos, K., “A Real-Time Graphic Environment for a Urological Operation Training Simulator,” Proc. IEEE International Conference on Robotics and Automation (ICRA’04), April 26-May 1, 2004, New Orleans, Louisiana, pp. 1295-1300. [pdf]
  17. Papadopoulos, E.; Vlachos, K.; and Mitropoulos, D., “On the Design of a Low-force 5-dof Force-Feedback Haptic Mechanism,” Proc ASME 27th Biennial Mechanisms and Robotics Conference – 3rd Symposium on Medical Devices and Systems, September 29-October 2 2002, Montreal, Canada. [pdf]
  18. Papadopoulos, E.; Vlachos, K.; and Mitropoulos, D., “Design of a 5-dof Haptic Simulator for Urological Operations,” Proc. IEEE International Conference on Robotics and Automation (ICRA’02), May 11-15, 2002, Washington, DC, pp. 2079-2074. [pdf]

Abstract-Refereed International Conference Proceedings

  1. Vlachos, K.; and Papadopoulos, E., “A Virtual Graphical and Haptic Environment for a Medical Training Simulator,” Proc. 4th INTUITION International Conference and Workshop, October 4-5, 2007, Athens, Greece, pp. 35-42. [pdf]
  2. Vlachos, K.; Vartholomeos, P.; and Papadopoulos, E., “Evaluation of a Haptic Macro-Micro Tele-Manipulation System,” Proc. 4th INTUITION International Conference and Workshop, October 4-5, 2007, Athens, Greece, pp. 228-229. (poster session) [pdf] [gif]
  3. Mitropoulos, D.; Dounavis, P.; Papageorgiou, S.; Vlachos, K.; Karistinou, A.; Karayannacos, P.; and Papadopoulos, E., “Virtual Urethrocystoscopy Simulator with Haptic Feedback,” European Urology Supplements, Elsevier Science, January 2002, vol. 1, no. 1, pp. 7-7(1). [pdf]

Refereed National Conference Proceedings

  1. Vlachos, K.; and Papadopoulos, E., “Modeling and Control of an Overactuated Triangular Marine Platform,” 2nd Panhellenic Conference on Robotics, Patras, Greece, December 09-10, 2010. (in Greek) [pdf]
  2. Sideri, E.; Vlachos, K.; and Papadopoulos, E., “Experimental Study of Haptic Recall,” 1st Panhellenic Conference on Robotics, Athens, Greece, 23-24 February 2009. (in Greek) [pdf]

Abstract-Refereed National Conference Proceedings

  1. Vlachos, K.; and Papadopoulos, E., “Design and Control of a Training Simulator for Urological Operations,” 1st Panhellenic Conference of Mechanical & Electrical Engineers, Athens, Greece, March 28-30, 2005. (in Greek) [pdf]
  2. Mitropoulos, D.; Dounavis, P.; Papageorgiou, S.; Vlachos, K.; Karistinou, A.; Karayannacos, P.; and Papadopoulos, E., “Design and Fabrication of a Virtual Urethrocystoscopy Simulator,” 16th Panhellenic Urological Conference, Kalamata, Greece, 2002, p. 256. (in Greek) [pdf]

National Field Magazines

  1. Vlachos, K.; and Papadopoulos, E., “Haptic Technologies in Microscopic or Virtual Biological Environment,” Proc. PYTHAGORAS, Conference on Scientific Research in the National Technical University of Athens, July 5-8, 2007, Plomari, Lesvos, Greece. (in Greek) [pdf]
  2. Vlachos, K.; Repoulias, F.; Cherouvim, N.; and Papadopoulos, E., “Technologies in Industrial Networks, Diagnostics, and Control,” Plant Management, Special Issue in Automation and Robotics, vol. 195, July-September 2006, pp. 59-63. (in Greek) [pdf]
  3. Vlachos, K.; and Papadopoulos, E., “Medical Training Simulator,” Research and Technology in Greece - European Collaboration, Technical Chamber of Greece, June 22-23, 2006, Athens, Greece. (in Greek) [gif]

National Media Coverage

  1. Zioziou, M., "Novel Simulator for Urological Operations, " Sunday's ETHNOS, Sunday 7 October 2007, p. 69. (in Greek) [pdf]
  2. Kaloumenos, G., "Simulator for Urological Operations, " ETHNOS, Saturday 8 April 2006, p. 45. (in Greek) [pdf]