Publications

Journal Papers

  1. O. Cihan, M. Akar, "Fastest mixing reversible Markov chains on graphs with degree proportional stationary distributions," IEEE Transactions on Automatic Control, vol. 60, no. 1, pp. 227-232, January 2015.
  2. M. Akar, A. D. Dere, "A Switching Rollover Controller Coupled with Closed-Loop Adaptive Vehicle Parameter Identification," IEEE Transactions on Intelligent Transportation Systems, vol. 15, no. 4, pp. 1579-1585, Aug. 2014.
  3. O. Cihan, M. Akar, "Effect of non-uniform varying delay on the rate of convergence in averaging based consensus," Turkish Journal of Electrical Engineering and Computer Sciences, accepted July 2013, DOI: 10.3906/elk-1306-8.
  4. M. B. Zeytinci, V. Sarı, F. K. Harmancı, E. Anarım, M. Akar, "Location estimation using RSS measurements with unknown path loss exponents," EURASIP Journal on Wireless Communications and Networking, vol. 2013:178, 2013.
  5. A. Çil, M. Akar, E. Anarım, "Adaptive optimization of EDCA parameters for improved QoS in multi–media applications," Turkish Journal of Electrical Engineering and Computer Sciences, vol. 20, no. Sup.2, 2012.
  6. M. Akar and R. Shorten, "On the Existence of Common Lyapunov Functions for Consensus Algorithms Based on Averaging," Turkish Journal of Electrical Engineering and Computer Sciences, vol. 19, no. 3, 2011.
  7. M. Akar, “On Transient Improvement of Variable Structure Controlled Systems Using Multimodel Switching,” Journal of Dynamic Systems, Measurement, and Control-Transactions of ASME, vol. 132, no. 3, 034501, 2010.
  8. M. Akar and J. Kalkkuhl, “Design and evaluation of an integrated chassis controller for automotive vehicle emulation,” IEEE Transactions on Industrial Electronics, vol. 56, no. 9, pp. 3571-3579, 2009.
  9. M. Akar, “Integrated power and handoff control for next generation wireless networks,” Wireless Networks, vol. 15, pp. 691-708, 2009.
  10. S. Solmaz, M. Akar, R. Shorten and J. Kalkkuhl, "Real-time multiple model estimation of center of gravity position in automotive vehicles,” Vehicle System Dynamics, vol. 46, no. 9, pp. 763-788, September 2008.
  11. M. Akar and J. Kalkkuhl, "Lateral Dynamics Emulation via a 4-Wheel Steering Vehicle," Vehicle System Dynamics, vol. 46, no. 9, pp. 803-829, September 2008.
  12. C. King, R. Shorten, F. Wirth and M. Akar, "Growth conditions for the global stability of high-speed communication networks,'' IEEE Transactions on Automatic Control, vol. 53, no. 7, pp. 1770-1774, August 2008.
  13. M. Akar and R. Shorten, "Distributed Probabilistic Synchronization Algorithms For Communication Networks," IEEE Transactions on Automatic Control vol. 53, no. 1, pp. 389-393, February 2008.
  14. M. Akar, A. Paul, M. G. Safonov and U. Mitra, "Necessary and sufficient conditions on the stability of a class second order switched systems,” IEEE Transactions on Automatic Control, vol. 51, no. 2, pp. 338-340, February 2006.
  15. A. Paul, M. Akar, M. G. Safonov and U. Mitra, "Adaptive power control for wireless networks using multiple controllers and switching,” IEEE Transactions on Neural Networks (special issue on Adaptive Learning Systems in Communication Networks), vol. 16, no. 5, pp. 1212-1218, September 2005.
  16. M. Akar and U. Mitra, "Soft handoff algorithms for CDMA cellular networks,” IEEE Transactions on Wireless Communications, vol. 2, no. 6, pp. 1259-1274, November 2003.
  17. M. Akar and K. S. Narendra, "On the existence of common quadratic Lyapunov functions for second order linear time-invariant discrete-time systems,” International Journal of Adaptive Control and Signal Processing, vol. 16, pp. 729-751, December 2002.
  18. M. Akar and Ü. Özgüner, "Decentralized sliding mode control using overlapping decompositions,” Automatica, vol. 38, pp. 1713-1718, October 2002.
  19. M. Akar and U. Mitra, "Variations on optimal and suboptimal handoff control for wireless communications systems,” IEEE Journal on Selected Areas in Communications, vol. 19, no. 6, pp. 1173-1185, June 2001.
  20. M. Akar and M. E. Sezer, "Associative memory design using overlapping decompositions,” Automatica, vol. 37, no. 4, pp. 581-587, April 2001.
  21. M. Akar and Ü. Özgüner, "Decentralized techniques for the analysis and control of Takagi-Sugeno fuzzy systems,” IEEE Transactions on Fuzzy Systems, vol. 8, no. 6, pp. 691-704, December 2000.

Refereed International Conference Papers

  1. A. Haseltalab, M. Akar, "Approximate Byzantine Consensus in Faulty Asynchronous Networks," Proc. of the American Control Conference, Chicago, IL, July, 2015.
  2. O. Cihan and M. Akar, "Mixing Rate Optimization of Markov Chains with Degree Proportional Stationary Distributions," The 17th Yale Workshop on Adaptive and Learning Systems, New Haven, CT, June 2015.
  3. P. Kaymakçıoglu, K. Senel, M. Akar, "Delay Based Handover Algorithm Design for Femtocell Networks," Internet of Things, Smart Spaces, and Next Generation Networks and Systems, Lecture Notes in Computer Science, vol. 8638, pp. 205-218, Springer, 2014.
  4. A. Weitzenfeld, J. Biswas, M. Akar, K. Sukvichai, "RoboCup Small-Size League: Past, Present and Future," The 18th RoboCup International Symposium, Joao Pessoa, July 2014.
  5. F. İleri, M. Akar, "RSSI Based Position Estimation in ZigBee Sensor Networks," The 8th International Conference on Circuits, Systems, Signal and Telecommunications (CSST14), Spain, January 2014.
  6. M. Akar, A. D. Dere, "Adaptive Vehicle Parameter dentification in Speed Varying Situations," The 14th International IEEE Conference on Intelligent Transportation Systems (ITSC 2011), Washington, DC, USA, October 2011.
  7. M. B. Zeytinci, F. K. Harmancı, M. Akar, E. Anarım, "Joint Estimation of Propagation Parameters and Mobile Positioning in Cellular Networks," The Fifteenth Yale Workshop on Adaptive and Learning Systems, New Haven, CT, June 2011.
  8. O. Cihan and M. Akar, "Effect of Bounded Delay on Convergence Speed of Distributed Consensus Algorithms," Proc. of the 7th International Conference on Control and Automation, New Zealand, December 2009.
  9. H. Karaoguz, M. Usta, and M. Akar, "Design and Implementation of a Hierarchical Hybrid Controller for Holonomic Robot Formations," Proc. of the 10th International Conference on Control, Automation, Robotics and Vision (ICARCV 2008, Hanoi, Vietnam, December 2008.
  10. S. Solmaz, M. Akar and R. Shorten, "Adaptive Rollover Prevention for Automotive Vehicles with Differential Braking," Proc. of the 17th IFAC World Congress, Seoul Korea, July 2008.
  11. M. Akar and J. Kalkkuhl, "An integrated chassis controller for automotive vehicle emulation", Proc. of the 17th IFAC World Congress, Seoul Korea, July 2008.
  12. M. Senel, G. M. Ölçer, M. Akar, F. K. Harmanci and E. Anarim, "Mobile Positioning Using Received Signal Strength Measurements", Proc. of the International Symposium on Computer Networks, Istanbul, Turkey, June 2008.
  13. D. Arjmand, M. Akar and E. Anarim, "Effect of Bounded Delay on Deterministic Consensus Algorithms via Averaging ", Proc. of the International Symposium on Computer Networks, Istanbul, Turkey, June 2008.
  14. C. King, R. Shorten, F. Wirth and M. Akar, "Sector Conditions for the Global Stability of High-Speed Communication Networks,'' Proc. American Control Conference, Seattle, WA, USA, June 2008.
  15. M. Akar and J. Kalkkuhl, "A sliding mode theory based chassis controller for vehicle emulation", Proc. of the 10th Int. Workshop on Variable Structure Systems, Antalya, Turkey, June 2008.
  16. S. Solmaz, M. Akar and R. Shorten, "Center of Gravity Estimation and Rollover Prevention Using Multiple Models and Controllers " Proc. of the 14th Yale Workshop on Adaptive and Learning Systems, New Haven, CT, USA, June 2008.
  17. C. Villegas, M. Akar, R. Shorten and J. Kalkkuhl, "A robust PI controller for emulating lateral dynamics of vehicles", Proc. of the IEEE Intelligent Vehicles Symposium, Istanbul, June 2007.
  18. M. Akar, J. Kalkkuhl and A. Suissa, "Vertical Dynamics Emulation Using a Vehicle Equipped with Active Suspension", Proc. of the IEEE Intelligent Vehicles Symposium, Istanbul, June 2007.
  19. F. Wirth, R. Shorten and M. Akar, "State Dependent AIMD Algorithms and Consensus Problems," PAMM-Proc. Appl. Math. Mech. , Vol. 6, no. 1, pp. 855-856 December 2006.
  20. S. Solmaz, M. Akar and R. Shorten, "Online center of gravity estimation in automotive vehicles using multiple models and switching" Proc. of the 9th International Conference on Control, Automation, Robotics and Vision (ICARCV 2006), Singapore, December 2006.
  21. R. Shorten, F. Wirth and M. Akar, "On nonlinear AIMD congestion control for high-speed networks", Proc. of IEEE Conference on Decision and Control, San Diego, CA, USA, December 2006.
  22. M. Akar, "Yaw rate and sideslip tracking for 4-wheel steering cars using sliding mode control", Proc. of IEEE International Conference on Control Applications, October 2006, Munich, Germany.
  23. M. Akar, "Combined power control and rate management for multimedia CDMA systems", Proc. of the 17th IEEE International Symposium on Personal, Indoor and Mobile Communications, Helsinki, Finland, September 2006.
  24. M. Akar and R. Shorten, "Time synchronization for wireless sensor networks", Proc. of the 17th International Symposium on Mathematical Theory of Networks and Systems (MTNS), Kyoto, Japan, July 2006.
  25. M. Akar, "Optimal power and handoff control for CDMA wireless networks", Proc. of the 2006 International Conference on Communications, Istanbul, June 2006.
  26. M. Akar and R. Shorten, "Deterministic synchronization algorithms and convergence rates", Proc. of IEEE International Conference on Networking, Sensing and Control, Ft. Lauderdale, Florida, U.S.A., April 2006.
  27. A. Paul, M. Stefanovic, M. G. Safonov and M. Akar, "Multiple controller adaptive control for a tracking problem using an unfalsification approach", Proc. of the IEEE Conference on Decision and Control, Seville, Spain, December 2005.
  28. M. Akar, "Robust tracking for a class of nonlinear systems using multiple models and switching", Proc. of the American Control Conference, Portland, OR, USA, June 2005.
  29. M. Akar, "Distributed power control for rate-varying multimedia CDMA systems", Proc. of the IEEE Conference on Decision and Control, Bahamas, December 2004.
  30. A. Paul, M. Akar, U. Mitra and M. G. Safonov, "A switched system model for stability analysis of distributed power control algorithms for cellular communications", Proc. of the American Control Conference, pp. 1655-1660, Boston, MA, June-July, 2004.
  31. A. Paul, M. Akar, M. G. Safonov and U. Mitra, "Power control in cellular communication networks using multiple controllers and switching", Proc. of the American Control Conference, pp. 3339-3344, Boston, MA, June-July, 2004.
  32. A. Paul, M. Akar, M. G. Safonov and U. Mitra, "Necessary and sufficient conditions for the stability of a class second order switched systems", Proc. of the American Control Conference, pp. 4561-4562, Boston, MA, June-July, 2004.
  33. D. J. Naffin, G. S. Sukhatme and M. Akar, "Lateral and longitudinal stability for decentralized formation control", Proc. of the 7th International Symposium on Distributed Autonomous Robotic Systems, Toulouse, France, June, 2004.
  34. M. Akar, "Improved transient performance in sliding modes using multiple controllers and switching", Proc. of the 12th Mediterranean Conference on Control and Automation, Kusadasi, Turkey, June, 2004.
  35. B. Fidan, E. Sezer and M. Akar, "Multi-stage neural networks with application to motion planning of a mechanical snake", Proc. of the American Control Conference, pp. 1278-1283, Denver, CO, June, 2003.
  36. M. Akar and U. Mitra, "Joint downlink power and handoff control using a hybrid systems framework", Proc. of INFOCOM, San Francisco, CA, April 2003.
  37. M. Akar and U. Mitra, "Interference management in soft handoff design", Proc. of the 2002 Conference on Information Sciences and Systems, Princeton, NJ, March 2002.
  38. M. Akar and U. Mitra, "Design of soft handoff algorithms for cellular communications", Proc. of SPIE Int. Symp. on Information Technologies and Communications, August 2001.
  39. M. Akar and K. S. Narendra, "On the existence of a common quadratic Lyapunov function for two stable second order linear time-invariant discrete-time systems", Proc. of the American Control Conference, Arlington, VA, June 2001.
  40. M. Akar and U. Mitra, "Implementations of suboptimal handoff algorithms for wireless communication systems", Proc. of the IEEE Global Communications Conference, San Francisco, CA, November 2000.
  41. M. Akar and U. Mitra, "Optimal handoff control: Incorporating handoff delay", Proc. of the IEEE Wireless Communications and Networking Conference, Chicago, IL, September 2000.
  42. M. Akar, U. Mitra and Ü. Özgüner, "Optimal control for a class of switching systems", Proc. of American Control Conference, pp. 2697-2701, Chicago, IL, June 2000.
  43. M. Akar and Ü. Özgüner, "Decentralized parallel distributed compensator design for Takagi-Sugeno fuzzy systems", Proc. of the Conference on Decision and Control, pp. 4834-4839, Phoenix, AZ, December 1999.
  44. M. Akar and Ü. Özgüner, "Stability and stabilization of Takagi-Sugeno fuzzy systems", Proc. of the Conference on Decision and Control, pp. 4840-4845, Phoenix, AZ, December 1999.
  45. M. Akar and Ü. Özgüner, "Decentralized sliding mode control in large scale systems", Proc. of the 14th IFAC World Congress, vol. L, pp. 217-222, Beijing, China, July 1999.
  46. M. Akar and Ü. Özgüner, "Decentralized sliding mode control design for hybrid systems", Proc. of the American Control Conference, pp. 525-529, San Diego, CA, June 1999.
  47. M. Akar and Ü. Özgüner, "Decentralized sliding mode control design for discrete time systems", Proc. of the 5th International Workshop on Variable Structure Systems, pp. 43-49, Longboat Key, FL, December 1998.
  48. M. Akar and Ü. Özgüner, "Sliding mode control using state/output feedback in hybrid systems", Proc. of the Conference on Decision and Control, pp. 2421-2422, Tampa, FL, December 1998.
  49. M. Akar and M. E. Sezer, "Overlapping decompositions in the design of associative memories", Proc. Of the IEEE Conference on Neural Networks, Houston, TX, pp. 1199-1204, 1997.

Refereed National Conference Papers

  1. O. Cihan, M. Akar, "Dereceyle oransal durağan dağılıma sahip en hızlı karışan tersinir Markov zincirleri," TOK 2014, Kocaeli, Eylül 2014.
  2. Ö. F. Erkan, M. Akar, "Yönsüz Çizgelerde Tekli ve Çoklu Denge Noktası Üzerine Sonuçlar," TOK 2014, Kocaeli, Eylül 2014.
  3. A. C. Arslan, M. Akar, F. Alagöz, "İnek Çiftliklerindeki Hayvanların 3B Kimlik Saptaması," 22. Sinyal İşleme ve İletişim Uygulamaları Kurultayı, Trabzon, Nisan 2014.
  4. H. Esen, A. Haseltalab, M. Akar, "Kalman Süzgeci Kullanarak Çok Yönlü Gezgin Otonom Robotlarda Sistem Gecikmesinin Giderilmesi," TOK 2013, Malatya, Eylül 2013.
  5. O. Cihan, M. Akar, "İlingesi Değişen Ağlarda Ortalama Tabanlı Dağıtık Eşzamanlama ve Sürekli Zamanda Analizi," TOK 2010, Gebze, Eylül 2010.
  6. Ö. F. Varol, Fatih İleri, Huzeyfe Esen, Mehmet Akar, Rıdvan S. Kuzu, Aytaç Yurdakurban, "Küçük-boy robot futtbolu için geliştirilen çoklu robot platformu: Brocks 2010," TOK 2010, Gebze, Eylül 2010.
  7. O. Cihan, M. Akar, "Bir ornek Olmayan Iletim Gecikmesinin Dagitik Onaylasima Etkisi," 18. Sinyal Isleme ve Iletisim Uygulamalari Kurultayi, Diyarbakir, Nisan 2010.
  8. S. Tekincan, M. Akar, E. Anarim, T. Kurt, "Örgü Aglari için Otomatik Kanal Belirlenmesi," 17. Sinyal Isleme ve Uygulamalari Kurultayi, Antalya, Nisan 2009.
  9. H. Karaoguz, M. Akar, "Holonom Robotlarin Düzen Denetimi için Siradüzensel Karma Denetim Birimi Tasarimi ve Uygulamasi," TOK'08, ITÜ, Istanbul, Kasim 2008.
  10. Ö. N. Gerek, M. Akar, A. E. Çetin, "Yazi bilgisinin gri tonlu döküman görüntülerinden ayirimi için histograma dayali yöntemlerin incelenmesi," 2. Sinyal Isleme ve Uygulamalari Kurultayi, sayfa 90, Gökova, Mugla, Nisan 1994.

Patent

  1. "Method for Determining the Center of Gravity for an Automotive Vehicle", Irish patent, March 3, 2006; PCT, February 2007 (co-inventors: M. Akar, S. Solmaz, and R. Shorten).

Ph.D. Theses:

  1. Onur Cihan, Convergence Rate Analysis and Optimization of Distributed Consensus Algorithms (January 2014).

M.S. Theses:

  1. Ali Haseltalab, Novel Fault-Tolerant Distributed Algorithms for Approximate Byzantine Consensus, (January 2015)
  2. Gürkan Aydemir, Existence of Common Lyapunov Functions for Consensus Algorithms (July 2014)
  3. Piri Kaymakçıoğlu, Delay based handover algorithm design for femto-cell networks (September 2013)
  4. Huzeyfe Esen, Hardware and Software development for RoboCup SSL robots (September 2013)
  5. Fatih İleri, RSSI based Position Estimation in Zigbee Sensor Networks (July 2013)
  6. Semih Cemil Dumlu, Combined Formation Control and Path Planning for Mobile Robot Networks (October 2011)
  7. Didem Ersöz, Analysis of an averaging based synchronization algorithm in continuous-time (June 2010)
  8. Ali Dinçer Dere, Center of Gravity Estimation and Rollover Prevention using Kalman Filtering Techniques (June 2010)
  9. Alparslan Cil, "Adaptive optimization of EDCA parameters for QoS in multi-media applications", October 2009 (co-advisor: Emin Anarim)
  10. Sinan Tekincan, "Channel Allocation for wireless communication in 802.11n mesh networks", October 2009 (co-advisor: Emin Anarim)
  11. Onur Cihan, "Distributed Synchronization in Delayed and Topology Varying Networks", September 2009.
  12. Hakan Karaoguz, "Vision-based control algorithms for a small size robot soccer team", February 2009.

Other

  1. Ö.F. Varol, O. Cihan, H. Esen, A. Haseltalab, M. Akar, "Brocks 2013-Team Description", Robocup SSL, Eindhoven, Netherlands, 2013.
  2. Ö.F. Varol, O. Cihan, H. Esen, M. Akar, "Brocks 2012-Team Description", Robocup SSL, Mexico City, Mexico, 2012.
  3. Ö.F. Varol, H. Esen, M. Öğüt, M. Akar, "BRocks-Team Description", Robocup SSL, İstanbul, 2011.
  4. M. Akar, Ö.F. Varol, F. Ileri, H. Esen, R.S. Kuzu, A. Yurdakurban, "BRocks-Team Description", Robocup SSL, Singapore, 2010.
  5. M. Akar et.al., "BRocks-Team Description", Robocup SSL, Graz Austria, 2009.
  6. M. Akar, "BAY-Team Description", Robocup SSL, 2008.