Girish Nair's Webpage

Email: gnair at unimelb dot edu dot au



Teaching

  • ELEN90054 Probability and Random Models (whole subject from 2011)
  • ELEN90057 Communication Systems (whole subject from 2011)
  • 431-327 Communication Systems  (part 1 of 2, 2002-4; whole subject since 2005)
  • 431-325 Stochastic Signals & Systems ( part 2 of 2, 2003-4 & 2009; whole subject in 2010)

  • 431-222 Electronic Circuit Design, part 1 of 2 (2006-7)
  • 431-658 Advanced Linear Systems & Control, part 2 of 3 (graduate course) (2003-4)
  • 431-460 Digital Communications, part 1 of 2 (2003-4)
  • 431-102 Digital Systems 1 (2002)
  • 431-330 Design Laboratory supervision (2001-9)
  • 431-400 Project Work supervision (2001-7)

Research


Journal Papers under Preparation

  • G. N. Nair, A.R. Mesquita, J.P. Hespanha, “An explicit, near-optimal redundant transmission policy for state estimation with packet drops”
  • G.N. Nair, "A nonstochastic theory of information for feedback systems" (short version in IEEE CDC, USA, Dec. 2012)

Book Chapters

  • G.N. Nair, “Structural routability of n-pairs information networks”, Information and Control in Networks (eds. G. Como, B. Bernhardsson & A. Rantzer), Springer, provisionally accepted Nov. 2012. (26 pages)
  • R. J. Evans, V. Krishnamurthy & G. Nair, "Sensor adaptive target tracking over variable bandwidth networks'', Model Identification and Adaptive Control (ed. G. C. Goodwin), Springer,  pp.115-124, 2000.

Journal Articles

  1. R. Hagihara and G.N. Nair, "Two extensions of topological feedback entropy", Mathematics of Control, Signals, and Systems (special Issue on Control, Communication and Complexity), Springer,  accepted Feb. 2013 (17 pages)
  2. F. Colonius, C. Kawan, G. Nair, "A note on topological feedback entropy and invariance entropy", Systems & Control Letters, Elsevier,  in press, 2013.
  3. G.N. Nair, “A nonstochastic information theory for communication and state estimation”,  IEEE Trans. Automatic Control, in press, 2013 (full Paper, 14 pages)
  4. A.R. Mesquita, J.P. Hespanha, G. Nair, "Redundant data transmission in control/estimation over lossy networks", Automatica, Elsevier UK, accepted 9 Feb 2012 (full Paper, 11 pages)
  5. A.S. Leong, S. Dey, G.N. Nair, P. Sharma,  "Power allocation for outage minimization in state estimation over fading channels", IEEE Trans. Signal Processing, vol. 59, no. 7, pp. 3382 - 3397, July 2011 (full Paper, 16 pages)
  6. M. Huang, S. Dey, G. Nair, J.H. Manton, "Stochastic consensus  over noisy networks with Markovian and arbitrary switches", Automatica,  Elsevier UK, vol. 46, no. 10, pp. 1571-1583, 2010 (full Paper, 12 pages)

  7. A. Gurt & G. N. Nair, "Internal stability of dynamic quantised control for stochastic linear plants", Automatica, Elsevier UK, vol. 45, no. 6, pp. 1387 - 1396, June 2009. (full Paper)

  8. P. Minero, M. Franceschetti, S. Dey & G.N. Nair, "Data rate theorem for stabilization over time-varying feedback channels", IEEE Trans. Automat. Contr., Institute of Electrical & Electronics Engineers USA, vol. 54, no. 2, pp. 243-55,  Feb. 2009. (full Paper)

  9. G. N. Nair, F. Fagnani, S. Zampieri, R. J. Evans, "Feedback control under data rate constraints: an overview", Proceedings of the IEEE, USA, special issue on Technology of Networked Control Systems, vol. 95, no. 1, pp. 108-37, Jan. 2007. (invited) (full Paper)

  10. R. Evans, V. Krishnamurthy, G. Nair, L. Sciacca, "Networked sensor management and data rate control for tracking maneuvering targets", IEEE Transactions on Signal Processing, USA, vol. 53, no. 6, pp. 1979-91, June 2005. (full Paper)

  11. I. Mareels, E. Weyer, S. K. Ooi, M. Cantoni, Y. Li, G. Nair, “Systems engineering for irrigation systems: successes and challenges”, Annual Reviews in Control,  Elsevier, UK, vol.29, no.2, pp. 191-204, 2005. (full Paper)

  12. G. N. Nair, R. J. Evans, I. M. Y. Mareels & W. Moran, "Topological feedback entropy and nonlinear stabilization", IEEE Transactions on Automatic Control, USA, special issue on Networked Control Systems, vol. 49, no. 9, pp. 1585-97, Sep. 2004. (invited, full paper)

  13. G. N. Nair & R. J. Evans, "Stabilizability of stochastic linear systems with finite feedback data rates", SIAM Journal on Control and Optimization, Society for Industrial & Applied Mathematics, USA, vol. 43, no. 2, pp. 413-36, July 2, 2004. (full Paper) [SIAM Outstanding Paper Prize 2003 - 2005]

  14. G. N. Nair & R. J. Evans, "Exponential stabilisability of finite-dimensional linear systems with limited data rates'', Automatica, Elsevier, UK, vol. 39, pp. 585-93, Apr. 2003. (full Paper)

  15. G. N. Nair & R. J. Evans, "Stabilization with data-rate-limited feedback: tightest attainable bounds", Systems & Control Letters, Elsevier, UK, vol. 41, no. 1, pp. 49-56, Sep. 2000.

Conference Papers

  1. G.N. Nair, "A nonstochastic information theory for feedback", Proc. 51st IEEE Conf. Decision and Control, Maui, USA, Dec. 2012 (accepted 17/7/12).
  2. G.N. Nair, " A non-stochastic information theory for communication and state estimation over erroneous channels",  Proc. 9th IEEE Int. Conf. Control & Automation, Santiago, Chile, pp. 159-64, Dec. 2011.
  3. G.N.Nair, "When is n-pairs information a multicommodity flow?",  IEEE Int. Symp. Information Theory Proc., St. Petersburg, Russia, pp. 169-73, July 2011.

  4. G.N. Nair, A. Mesquita, J.P. Hespanha, "Optimal redundant transmission for state estimation with packet drops", 2nd IFAC Worksh. Distributed Estimation and Control in Networked Systems, Annecy, France, Sep. 2010.

  5. G.N. Nair, K. Venkat, "Stabilising stochastic linear plants via erroneous channels", 19th Int. Symp. Mathematical Theory of Networks and Systems (MTNS10), Budapest, Hungary, July 2010 

  6. A.S. Leong, S. Dey, G.N. Nair, “Outage minimization for state estimation using multiple sensors”, 1st IFAC Worksh. on Estimation & Control of Networked Systems, Venice, Italy, pp. 216 - 21, Sep. 2009.

  7. A. Mesquita, J.P. Hespanha, G.N. Nair, “Redundant data transmission in control/estimation over wireless networks”, Proc. American Control Conf., St. Louis, USA, IEEE, pp. 3378 - 83, June 2009.

  8. M. Rotkowitz, G. Nair, “An LP for stabilization over networks with rate constraints”, Proc. 18th Int. Symp. Mathematical Theory of Networks and Systems (MTNS08), Blacksburg, USA, 2008, pp. 1 – 3.

  9. A. Gurt, G. Nair, “Internal stability of dynamically quantised control for stochastic scalar plants”,  Proc. 17th IFAC World Congress, Int. Fed. Automatic Control, pp. 5197 - 202, July 2008

  10. P. Minero, M. Franceschetti , S. Dey & G. Nair, "Data rate theorem for stabilization over fading channels",  Proc. 45th Annual Allerton Conf. Communications, Control and Computing, pp. 182-9, Uni. Illinois Urbana-Champaign, USA, Sep. 2007.

  11. A. Gurt & G. N. Nair, “Performance analysis of bit-rate-limited stochastic control systems”, Proc. 15th Mediterranean Conf. Control & Automation (MED'07), IEEE, Athens, Greece, June 27-29, 2007 (6 pages. ISBN 978-960-254-664-2)

  12. G. N. Nair & R. J. Evans, “Cooperative networked stabilisability of linear systems with measurement noise”, Proc. 15th Mediterranean Conf. Control & Automation, IEEE, Athens, Greece, June 27-29, 2007 (6 pages. ISBN 978-960-254-664-2) 

  13. G. N. Nair & J. Baillieul, “Time to failure of quantized control via a binary symmetric channel”, Proc. 45th IEEE Conference on Decision and Control (CDC'06), pp. 2883 - 8, San Diego, USA, 2006.

  14. G. N. Nair, M. Huang & R. J. Evans, "Optimal infinite horizon control under a low data rate", Proc. 14th IFAC Symp. Modelling, Identification and Signal Processing (SYSID 2006), Newcastle, Mar. 2006. (6 pages) 

  15. G. Z. Zhang, G. N. Nair, R. J. Evans, B. Wittenmark, "A data-rate-limited view of adaptive control", Proc. 14th IFAC Symp. Modelling, Identification and Signal Processing, Newcastle, Mar. 2006. (6 pages)

  16. M. Huang, G. N. Nair & R. J. Evans, "Finite horizon LQ optimal control and computation with data rate constraints", Proc. 44th IEEE Conf. Decision & Control, Sevilla, Spain, pp. 179-84, Dec. 2005.

  17. M. Huang & G. N. Nair, "Detection of random targets in sensor networks with applications", Proc. 16th  World Congress Int. Fed. Automatic Control (IFAC), Praha, Czech Republic, July 2005. (6 pages)

  18. G. N. Nair, R.J. Evans & P.E. Caines, “Stabilising decentralised linear systems under data rate constraints”, Proc. 43rd IEEE Conf. Decision & Control, pp. 3992-7, Nassau, Bahamas, 2004.

  19. G. N. Nair, R. J. Evans, I. M. Y. Mareels & W. Moran, "Topological feedback entropy for nonlinear stabilization", Proc. 6th IFAC Symp. Nonlinear Control Systems, Stuttgart, Germany, pp. 1283-8, Vol.3, Sep. 2004.

  20. G. N. Nair, S. Dey & R. J. Evans, ``Infimum data rates for stabilising Markov jump linear systems", Proc. 42nd IEEE Conf. Decision & Control, pp. 1176-81, Maui, USA, Dec. 2003. 

  21. G. N. Nair, R. J. Evans, I. M. Y. Mareels & W. Moran, "Feedback data rates for nonlinear systems", Proc. European Control Conference, European Control Association, pp. 731-6, Cambridge Uni., UK, Sep. 2003. 

  22. G. N. Nair & R. J. Evans,``Mean square stabilisability of stochastic linear systems with data rate constraints", Proc. 41st IEEE Conf. Dec. Contr., pp. 1632-7, Las Vegas, USA, 2002. 

  23. G. N. Nair, S. Dey & R. J. Evans,  "Communication-limited stabilisability of jump Markov linear systems", Proc. 15th Int. Symp. Mathematical Theory of Networks & Systems, Uni. Notre Dame, Indiana, USA, Aug. 2002. (10 pages)

  24. G. N. Nair & R. J. Evans,``Exponential stabilisability of multidimensional linear systems with finite data rates'', Proc. 15th World Congress IFAC, Barcelona, Spain, July 2002. (6 pages)

  25. G. N. Nair & R. J. Evans, "Optimal control under a data rate constraint'', Proc. UKACC Int. Conf. Control, IEE ZZ057, Cambridge Uni., UK, 2000 (6 pages) [Best Theory Paper Prize] 

  26. G. N. Nair & R. J. Evans, ``Communication-limited stabilization of linear systems'', Proc. 39th IEEE Conf. Dec. Contr., Sydney, Australia, pp. 1005-10, 2000.

  27. G. N. Nair & R. J. Evans, ``A finite-dimensional coder-estimator for rate- constrained state estimation'', Proc. 14th World Congress IFAC, Beijing, China, vol. I, pp. 19-24, July 1999.

  28. G. N. Nair & R. J. Evans, "Structural results for finite bit-rate state estimation'', Proc. Information, Decision &  Control, Adelaide, Australia, IEEE, pp. 47-51, Feb. 1999.

  29. G. N. Nair & R. J. Evans,  "State estimation under bit-rate constraints'', Proc. 37th IEEE Conf. Dec. Contr., Tampa, USA, pp. 251-6, 1998.

  30. G. N. Nair & R. J. Evans, "State estimation via a capacity-limited communication channel'', Proc. 36th IEEE Conf. Dec. Contr., San Diego, USA, pp. 866-71, 1997.


Selected Invited Talks

  • Invited lecture, Workshop in Information and Control in Networks, LCCC, Lund, Sweden, Oct. 17-19, 2012 (upcoming)
  • Keynote lectures, DFG SPP Workshop: Information Theory for Control, Augsburg, Germany, June 6-7, 2012.
  • Plenary panel, 9th IEEE Int. Conf. Control & Automation, Santiago, Chile, Dec. 20, 2011
  • Keynote lecture, 1st IFAC  Workshop on Estimation & Control of Networked Systems, Venice, Italy, 25 Sep 2009 (inv. K.H. Johansson)
  • Invited lecture, Workshop Control Theory: On the Way to New Application Fields, Mathematics Inst. Oberwolfach, Germany, 21 - 27 Feb 2009 (orgs. F. Allgower, U. Helmke & E. Sontag)
  • Keynote lectures, DFG SPP Workshop: Information and Control, Augsburg, Germany, Feb.18-19, 2009.
  • Invited lecture, Global CoE Workshop on Networked Control, Kyoto Uni., Japan, March 2008 (org. Y. Ohta)
  • Plenary lecture, NEWCOM-ACoRN Joint Workshop, Vienna, Austria, 2006 
  • Keynote lecture, 5th Australian Communication Theory Workshop, Newcastle, 2004.

Competitive Grants (Australian Research Council)

  1. DP120101122, S. Dey, G.N. Nair, E. Weyer, Networked system identification, estimation and control: performance optimization under communication and resource constraints, 2012-4.
  2. DP110102401, G.N. Nair, F. Colonius, R.J. Evans, Feedback Entropy in Dynamic Systems, 2011-3.
  3. DP0985397 S. Dey, G.N. Nair, A.S. Leong (APD), Resource-aware Signal Processing and Control Algorithms for Networked Sensor Systems, 2009-11
  4. DP0664317 S. Dey, J.S. Evans, G.N. Nair, Distributed Estimation and Control under Communication Constraints, 2006-8
  5. LP0349134 E. Weyer, I.M. Mareels, M.W. Cantoni, G.N. Nair, Control and Safety Monitoring Systems for Large Scale Irrigation Networks, 2003-8
  6. DP0345044 G.N. Nair, R.J. Evans, S. Dey, Towards an Information Theory for Communication-Limited Control Systems, 2003-5
  7. DP0210197 R. Evans, V. Krishnamurthy, I.M.Y. Mareels, M.W. Cantoni, D.A. Thomas, G. Nair, Design of Large-Scale Interconnected Dynamical Systems, 2002-4

Graduate Students Supervised

  • A. Gurt (PhD thesis passed May 2010)

CV

Qualifications

  • Ph.D., Dept. Electrical & Electronic Eng., University of Melbourne, 2000. 
  • B.Sc., University of Melbourne, 1995. Majors in mathematics & physics.
  • B.E. (Elec)(1st Class Hons), University of Melbourne, 1994.

Prizes

  • 2000: Best Theory Paper Prize, UKACC International Conference on Control, Cambridge Uni., UK.
  • 1996-9: Overseas Postgraduate Research & Melbourne University Malaysia Alumni Scholarships
  • (1996: Cambridge Commonwealth Trust (Blue Circle) & St. John's College Scholarship offers - declined.)
  • 1994: L.R. East Medal for Best Performance in Final Year Engineering
  • 1994-5: Summer Vacation Scholarship, Division of Radiophysics, Commonwealth Scientific & Industrial Research Organisation (CSIRO), Sydney, Australia.
  • 1994: Dixson Prize in Electrical Engineering
  • 1994: Dean's Honour List in Electrical Engineering - 4th Year
  • 1994: Dean's Honour List in Science - 2nd Year
  • 1992: Siemens Prize in Electrical Engineering - 2nd Year
  • 1992: Dixson Prize in Applied Mathematics - 2nd Year
  • 1992: Dixson Prize in Pure Mathematics - 2nd Year
  • 1991: Exhibition Prize in Engineering Mathematics - 1st Year
  • 1991: Dixson Prize in Applied Mathematics - 1st Year
  • 1991: Dixson Prize in Pure Mathematics - 1st Year
  • 1991-5: Australian Government Merit Scholarship
  • 1990: Individual 2nd Prize, National Mathematics Competition, Malaysian Mathematical Society


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Career History

  • Since 2008: Associate Professor (continuing), Dept. Elec. & Electr. Eng., Uni. Melb.
  • 2003 - 7: Senior Lecturer (continuing), Dept. Elec. &  Electr. Eng., Uni. Melb.
  • May - July 2005: Visiting scholar, Boston Uni., USA.
  • Feb. - May 2005: Academic exchange, University of Padova, Italy.
  • 2002-3: Senior Lecturer (contract), Dept. Elec. & Electr. Eng., Uni Melb.
  • Aug. 1999-2001: Lecturer (contract), Dept. Elec. & Electr. Eng., Uni. Melb.
  • 1995-8: Residential Tutor (Engin.),  International House, Uni. Melb
  • Summer 1994: Vacation scholar,  Dept. Mathematics & Statistics, Uni. Melb.

Professional Activities


  • Associate Editor, IEEE Transactions on Automatic Control, USA, from Dec. 2011.
  • Associate Editor, SIAM Journal on Control and Optimization, USA, 2006-11
  • Editorial Board Member, IET Control Theory & Applications, UK, 2007-9
  • Technical Programme Committee member, Australian Control Conference, Melbourne, Nov. 10-11, 2011.
  • Technical Programme Committee member, 2nd IFAC Workshop on Estimation & Control of Networked Systems, Annecy, France, Sep. 2010.
  • International Programme Committee member, 19th Int. Symp. Math. Theory of Networks & Sys. (MTNS10), Budapest, Hungary, 2010
  •  Technical Programme Committee member, 1st IFAC Workshop on Estimation & Control of Networked Systems, Venice, Italy,  2009.
  • Member, IFAC Technical Committee on Networked Systems, since 2005.


This page, its contents and style, are the responsibility of the author and do not necessarily represent the views, policies or opinions of the University of Melbourne.

Created : 10th September, 1997


Last Modified :  23/6/10.

HTML by : Melissa Labura
Maintained by: Girish Nair