Research

My name is Lenko Grigorov. Currently I am employed at ChargeLab Inc as a Tech Lead. This page lists my research output while working at Dr. Karen Rudie's Discrete-Event Systems Lab, Queen's University in Kingston, Ontario, Canada.

To contact me you can use lenko.grigorov(_a_)banica.org

IDES software

• Information and download

Discrete-Event Systems

• L. Grigorov and K. Rudie. "Dynamic Discrete-Event Systems with Instances for the Modelling of Emergency Response Protocols". In Proceedings of the American Control Conference 2011, San Francisco, CA, July 2011, pp. 4478–4483
  PDF file | PDF presentation | BiBTeX entry
• L. Grigorov, B. Butler, J. E. R. Cury and K. Rudie. "Conceptual design of discrete-event systems using templates". Journal of Discrete-Event Dynamic Systems, 21(2), 2011, pp. 257–303
  PDF file | BiBTeX entry
• L. Grigorov and K. Rudie. "Techniques for the Parametrization of Discrete-Event System Templates". In Proceedings of the 10th International Workshop on Discrete Event Systems (WODES '10), Berlin, Germany, 2010, pp. 380–385
  PDF file | PDF presentation | BiBTeX entry
• L. G. Grigorov. "Conceptual design of discrete-event systems using templates". Ph.D. thesis, School of Computing, Queen's University, Canada, 2009
  PDF file | PDF presentation | BiBTeX entry
• L. Grigorov. "Observations on solving discrete-event control problems: patterns and strategies". Technical Report 2009-558, School of Computing, Queen's University, Canada, 2009
  PDF file | BiBTeX entry
• L. Grigorov, J. E. R. Cury and K. Rudie. "Design of Discrete-Event Systems Using Templates". In Proceedings of the American Control Conference 2008, Seattle, WA, June 2008, pp. 499–504
  PDF file | PowerPoint presentation | BiBTeX entry
• L. Grigorov, J. E. R. Cury, K. Rudie and S. Klinge. "Template Design and Automatic Generation of Controllers for Industrial Robots". In Proceedings of the 2008 ACM Symposium on Applied Computing, Fortaleza, Brazil, March 2008, pp. 1612–1613
  PDF file | PDF poster | BiBTeX entry
• L. Grigorov and K. Rudie. "Problem Solving in Control of Discrete-Event Systems". In Proceedings of the European Control Conference 2007, Kos, Greece, July 2007, pp. 5500–5507
  PDF file | PowerPoint presentation | BiBTeX entry
• L. Grigorov. "Template Design of Discrete-Event Systems". Technical Report 2007-538, School of Computing, Queen's University, Canada, 2007
  PDF file | BiBTeX entry
• L. Grigorov and K. Rudie. "Near-optimal online control of dynamic discrete-event systems". Journal of Discrete-Event Dynamic Systems, 16(4), 2006, pp. 419–449
  PDF file | BiBTeX entry
• (unpublished) L. Grigorov. "Hierarchical control of discrete-event systems". Depth report (survey), School of Computing, Queen's University, Canada, 2005
  PDF file | BiBTeX entry
• L. Grigorov and K. Rudie. "Issues in optimal control of dynamic discrete-event systems". In Proceedings of the 16th IFAC World Congress, Prague, Czech Republic, July 2005, paper 02005
  PDF file | PowerPoint presentation | BiBTeX entry
• (unpublished) L. Grigorov and K. Rudie. "Applicability of Optimizing Control for Dynamic Discrete-Event Systems". 2004
  PDF file
• L. G. Grigorov. "Control of Dynamic Discrete-Event Systems". M.Sc. thesis, School of Computing, Queen's University, Canada, 2004
  PDF file | PowerPoint presentation | BiBTeX entry
• L. Grigorov. "Graphics for DES". Presentation which gives ideas how to draw DES graphs with software, 2003
  PowerPoint presentation
• L. Grigorov. "Automatic code generation for supervised DES". DES course project report, Department of Electrical and Computer Engineering, Queen's University, Canada, 2002
  PDF file

Human Computer Interaction

• L. Grigorov. "Human Factors and Problem Solving: Cognitive Psychology 4 Computer Scientists". Seminar, School of Computing, Queen's University, Canada, Nov. 2006
  PowerPoint presentation
• B. Jabarin, J. Wu, R. Vertegaal and L. Grigorov. "Establishing Remote Conversations Through Eye Contact With Physical Awareness Proxies". In CHI '03 extended abstracts on Human factors in computing systems, Fort Lauderdale, FL, 2003, pp. 948–949
  PDF file | BiBTeX entry
• L. Grigorov. "eyePROXY". Presentation about my work for the eyeProxy project at the Human Media Lab, Queen's University, Canada, 2003
  PowerPoint presentation

Radiotherapy

• G. N. Grigorov, J. C. L. Chow, L. Grigorov, R. Jiang and R. B. Barnett. "IMRT: Improvement in treatment planning efficiency using NTCP calculation independent of the dose-volume-histogram". Medical Physics, 33(5), 2006, pp. 1250–1258
  BiBTeX entry
• G. N. Grigorov, J. C. L. Chow, L. Grigorov, J. Runqing and R. B. Barnett. "IMRT prostate planning: a graphical rectal NTCP determination". In Proceedings of the Canadian Organization of Medical Physicists Meeting, Saskatoon, SK, 2006, pp. 239–241
  BiBTeX entry

Image Processing

• (unpublished) L. Grigorov and P. Abolmaesumi. "Region-based Method for Visually Lossless Image Compression". 2004
  PDF file
• L. Grigorov. "Region-based method for visually lossless image compression". Image Processing course project report, School of Computing, Queen's University, Canada, 2003
  PDF file