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Book Chapters, Technical Reports:

  1. P. J. Corrigan, S. Roy, and J. Krueger, ``Network Synchronization Processes subject to Stochastic Stimulation: Foundational Analysis and Application in Characterizing Cortical Sleep Regulation,” to appear as a chapter in Principles of Cyber Physical Systems (S. Roy and S. K. Das eds).
  2. M. Xue and S. Roy, "Hybrid Stochastic Synchronization and Flow Models for Decision-Making in Cyber-Physical Systems," to appear as a chapter in Cyber Physical Systems (D. Rawat, J. Rodrigues, and I. Stojmenovic eds).
  3. J. Jiang, S. Roy, and J. Liu, ``Stochastic wind- and solar- generation futures for day-ahead unit scheduling,” chapter in Cyber-Physical-Systems Approach to Smart Electric Power Grid (Khaitan, McCalley, Liu, eds), invited (to appear).
  4. M. Xue, S. Roy, Y. Wan, and S. K. Das, “Security and Vulnerability of Cyber-Physical Infrastructure Networks: A Control-Theoretic Approach,” Chapter 1 in Handbook on Securing Cyber-Physical Critical Infrastructure (S. K. Das, K. Kant, and N. Zhang, eds), Morgan-Kauffman, 1st Edition, February 2012.
  5. MITRE Corporation (C. Taylor, C. Wanke, P. Brown, R. Ethier, M. Hokit, J. Huhn, T. Masek, Shin-Lai, T. S. Clair, L. Wang, S. Zobell), QNA (A. Rakei, K. Workman), University of North Texas (Y. Wan, Y. Zhou), and Washington State University (S. Roy, M. Xue), Status Report for Strategic CATM Flow Contingency Management Activities, The MITRE Corporation MP120134, Public Release: March 2012.
  6. MITRE Corporation (C. Taylor, C. Wanke, S. Zobell, R. Holland, L. Wang), University of North Texas (Y. Wan), and Washington State University (S. Roy, M. Xue), Flow Contingency Management Decision Framework, The MITRE Corporation MP100309, Public Release: Sep 2010.

 

Journal Publications, Magazine Articles:

  1. S. Roy and R. Dhal, "Situational Awareness for Dynamical Network Processes Using Incidental Measurements," submitted to IEEE Journal on Selected Topics in Signal Processing, issue on Signal Processing for Situational Awareness from Networked Sensors and Social Media.
  2. S. Roy and R. Dhal, "Vulnerability of Network Synchronization Processes: A Minimum Energy Perspective," submitted to IEEE Transactions on Automatic Control.
  3. R. Dhal, J. A. Torres, and S. Roy, "Link-failure detection in network synchronization processes," submitted to Physica D.
  4. J. A. Torres and S. Roy, "Stabilization and de-stabilization of network processes by sparse remote feedback: graph-theoretic approach," submitted to Automatica.
  5. J. Abad Torres and S. Roy, ``Cramer-Rao Bounds on Eigenvalue Estimates from Impulse Response Data: The Multi-Observation Case ,” submitted to IEEE Transactions on Network Science and Engineering.
  6. M. Xue, S. Roy, Y. Wan, S. M. Zobell, C. P. Taylor, and C. R. Wanke, “A stochastic network model for uncertain spatiotemporal weather-impact propagation at strategic time horizon: formulation and parameterization,”submitted to Journal of Aerospace Operations (special issue on strategic air traffic management).
  7. S. Roy, "Scaled Consensus," Automatica, published online Nov. 2014.
  8. R. Dhal, S. Roy, Y. Wan, and A. Saberi, ``Majorizations for the dominant eigenvector of a nonnegative matrix," International Journal of Control, Jun. 2014.
  9. Y.Wan, S. Roy, M. Xue, and V. Katragadda, “Estimating Modes of a Complex Dynamical Network from Impulse Response Data: Structural and Graph-Theoretic Characterizations," International Journal of Robust and Nonlinear Control, Mar. 2014.
  10. Y. Zhou, D. Ramamurthy, Y. Wan, S. Roy. C. Taylor, and C. Wanke, “Multivariate probabilistic collocation method for effective uncertainty evaluation with application to air traffic management”, IEEE Transactions on Systems, Man, and Cybernetics, 2014.
  11. N. Suthar, S. Roy, D. R. Call, T. E. Besser, and M. A. Davis, "An individual-based model of transmission of resistant bacteria in a veterinary teaching hospital," PLoS One,Mar. 2014.
  12. M. Xue, W. Wang, and S. Roy, "Security Concepts for the Dynamics of Communicating Autonomous-Unmanned-Vehicle Networks,'' Automatica, Jan. 2014.
  13. J. A. Torres and S. Roy, "Graph-theoretic characterizations of zeros for the input-output dynamics of complex network processes,” International Journal of Control, Jan. 2014.
  14. Y. Wan, C. Wanke, and C. Taylor, S. Roy, and Y. Zhou, ``Dynamic queuing network model for flow contingency management,” IEEE Transactions on Intelligent Transportation Systems, Dec. 2013.
  15. C.-W. Chen and S. Roy, ``State detection from local measurements in network synchronization processes,” International Journal of Control, vol. 86, no. 9, pp. 1634-1645, Sep. 2013.
  16. M. Xue, E. Yeung, A. Rai, S. Roy, “Initial-Condition Estimation in Network Synchronization Processes: Graphical Characterizations of Estimator Structure and Performance,” Complex Systems, vol. 21, issue 4, pp. 297-333, 2013.
  17. S. Roy, M. Xue, S. Das, ``Security and discovery of spread dynamics in cyber-physical networks”, IEEE Transcations on Parallel and Distributed Systems, vol. 23, no. 9, pp. 1694-1707, Sep. 2012.
  18. M. Xue and S. Roy, ``Spectral and graph-theoretic bounds on steady-state probability estimation performance for an ergodic Markov chain,”  Journal of the Franklin Institute, vol. 348, no. 9, pp. 2448-2467, Nov. 2011.
  19. S. Roy, Y. Wan, A. Saberi, and M. Xue, ``Designing Linear Distributed Algorithms with Memory for Fast Convergence,”  International Journal of Robust and Nonlinear Control, Jul. 2011.
  20. L. Chen, S. Roy, and A. Saberi, “On the information flow required for tracking control in networks of mobile sensing agents,” IEEE Transactions on Mobile Computing, 2011.
  21. S. Roy, T. F. McElwain, and Y. Wan, ``A Network Control Theory Approach to Modeling and Optimal Control of Zoonoses: A Case Study of Brucellosis Transmission in Sub-Saharan Africa,” PLOS Neglected Tropical Diseases, Oct. 11, 2011.
  22. T. Yang, S. Roy, Y. Wan, and A. Saberi, ''Constructing consensus controllers for networks with identical general multi-input multi-output linear agents,'' International Journal of Robust and Nonlinear Control,  Apr. 2011.
  23. P. Sengupta, S. Roy, and J. M. Krueger, ``The ATP-cytokine-adenosine hypothesis: how the brain translates past activity into sleep,” Sleep and Biological Rhythms, Dec. 2010.
  24. X. Wang, A. Saberi, A. Stoorvogel, H. Grip, S. Roy, and P. Sannuti, ``Stabilization of a class of sandwich systems via state feedback,”  IEEE Transactions on Automatic Control, vol. 55, no. 9, pp. 2156-2160, Sep. 2010.
  25. Y. Wan, S. Roy, and A. Saberi, ``A pre- + post- + feedforward compensator design for zero placement,” International Journal of Control, Dec. 2010.
  26. A. Stoorvogel, S. Roy, Y. Wan, and A. Saberi, “A class of neutral-type delay differential equations that are effectively retarded,”  IEEE Transactions on Automatic Control, vol. 55, no. 2, pp. 435-440, Feb. 2010.
  27. S. Roy and Y. Wan, "An explicit formula for differences between Laplacian-eigenvector components using coalesced graph," Linear Algebra and its Applications, vol. 433, no. 7, pp. 1329-1335, Dec. 2010.
  28. Yan Wan, Sandip Roy, Anton Stoorvogel, and Ali Saberi, "On multiple-delay approximations of multiple-derivative controllers," to appear in Automatica.
  29. C. Deliu, A.A. Stoorvogel, A. Saberi, S. Roy, and B. Malek, ``Time-varying controllers in discrete-time decentralized control,” International Journal of Control, 2010.
  30. C. Deliu, B. Malek, A. Stoorvogel, A. Saberi, S. Roy, ``Decentralized control of discrete-time linear time invariant systems with input saturation”,  International Journal of Robust and Nonlinear Control, vol. 20, no. 12, pp. 1353-1362, Aug. 2010.
  31. Y. Wan, S. Roy, A. Saberi, and A. Stoorvogel, ``Designing multi-lead compensators for stabilization and pole placement in the decentralized double-integrator network,” IEEE Transactions on Automatic Control, vol. 55, no. 12, pp. 2870-2875, Dec. 2010.
  32. Y. Wan, S. Roy, A. Saberi, and A. Stoorvogel, ``On multiple-delay output feedback stabilization of LTI plants,” International Journal of Robust and Nonlinear Control, vol. 20, no. 11, pp. 1299-1305,  Jul. 2010 .
  33. X. Wang, A. Saberi, A. Stoorvogel, S. Roy, P. Sannuti, “Semi-global stabilization of discrete-time systems subject to non-right-invertible constraints,” International Journal of Robust and Nonlinear Control, vol. 20, no. 11, pp. 1234-1254, Jul. 2010.
  34. S. Roy, Y. Wan, A. Saberi, B. Malek, ``An alternative approach to designing stabilizing compensators for saturating linear time-invariant plants,”  International Journal of Robust and Nonlinear Control, Jul. 2010.
  35. Y. Wan, S. Roy, and B. C. Lesieutre, ``Uncertainty evaluation through mapping identification in intensive dynamic simulations,” IEEE Transactions on Systems, Man, and Cybernetics, Part A, vol. 40, no. 5, pp. 1094-1104, Sep. 2010.
  36. Y. Wan, S. Roy, A. Saberi, and A. Stoorvogel, ``A multiple-derivative and multiple-delay paradigm for decentralized controller design: uniform-rank systems,”  Journal for Discrete, Continuous, and Impulsive Systems: Special Issue in Honor of H. Khalil’s 60th Birthday, vol. 17, no. 12, pp. 883-907, Dec. 2010.
  37. Y. Wan, S. Roy, A. Saberi, and A. Stoorvogel, ``Design of multi-lead-compensators for stabilization and pole placement in double-integrator networks,” IEEE Transactions on Automatic Control, vol. 55, no. 12, December 2010.
  38. S. Roy, A. Saberi, and Y. Wan, ``On multiple-delay static output stabilization of LTI plants,” International Journal of Robust and Nonlinear Control, Jul. 2010.
  39. Z. Wen, S. Roy, and A. Saberi, “On the dynamic stochastic disturbance response of a saturating static-feedback-controlled single integrator,”  IEEE Transactions on Automatic Control, vol. 55, no. 4, pp. 959-965, Apr. 2010.
  40. X. Wang, A. Saberi, A. Stoorvogel, S. Roy, P. Sannuti, “Computation of the recoverable region and stabilization problem in the recoverable region for discrete-time systems,” International Journal of Control, vol. 82, no. 10, pp. 1870-1881, Oct. 2009.
  41. S. Roy, Y. Wan, and A. Saberi, ``On time-scale designs for networks,” International Journal of Control, vol. 82, no. 7, Jul. 2009.
  42. S. Roy and A. Saberi, “On structural properties of the Lyapunov matrix equation for optimal diagonal solutions,” IEEE Transactions on Automatic Control, vol. 54, no. 9, pp. 2234-2238, Sep. 2009.
  43. Y. Wan, S. Roy, and A. Saberi, ``Explicit precompensator design for invariant zero cancellation,” International Journal of Control, vol. 82, no. 5, pp. 808-811,  May 2009.
  44. J. Krueger, D. Rector, S. Roy, H. Van Dongen, G. Belenky, J. Panksepp, ``Sleep as a fundamental property of neuronal assemblies,” Nature Neurosciences Reviews, vol.  9,  no. 12, pp. 910-919, Dec. 2008.
  45. S. Roy, J. Krueger, D. Rector, and Y. Wan, ``A network model for activity-dependent sleep regulation,”  Journal of Theoretical Biology, vol. 253, no. 4, pp. 462-468, July 2008.
  46. Y. Wan, S. Roy, and A. Saberi, ``Designing spatially heterogeneous strategies for control of virus spread,” Proceedings of IET Systems Biology,  vol. 2, no. 4, pp. 462-468, Jul. 2008.
  47. Y. Wan, S. Roy, and A. Saberi, ``A new focus in the science of networks: toward methods for design,” Proceedings of the Royal Society A, vol. 464, pp. 513-555, Mar. 2008.
  48. Y. Wan and S. Roy, “A scalable methodology for evaluating and designing coordinated air traffic flow management strategies under uncertainty,” IEEE Transactions on Intelligent Transportation Systems, vol. 9, no. 4, Dec. 2008.
  49. Z. Wen, S. Roy, and A. Saberi, ``On the disturbance response and external stability of a saturating static-feedback-controlled double-integrator,” Automatica, Aug. 2008.
  50. Y. Wan, S. Roy,  A. Saberi, and B. Lesieutre, ''A stochastic automaton-based algorithm for flexible and distributed network partitioning,'' International Journal of Distributed Sensor Networks, vol. 4, no. 4, pp. 223-246, Jul. 2008.
  51. S. Roy and A. Saberi, “Scaling: a canonical design problem for networks,” International Journal of Control, vol. 80, no. 8, pp. 1342-1353, Aug. 2007.
  52. S. Roy, A. Saberi, and A. Stoorvogel, ``Toward a control theory for networks,” International Journal of Robust and Nonlinear Control, vol. 17, no. 10-11, p. 897, Jul. 2007.
  53. J. Minteer, S. Roy, and A. Saberi, “Role of the controller architecture in the stabilization of communicating-agent networks,” submitted to the International Journal of Control, 2006.
  54. D. Ramamurthy, S. Roy, and B. C. Lesieutre, “The probabilistic collocation method,” submitted to the SIAM Journal on Numerical Analysis, 2006.
  55. S. Roy, K. Herlugson, and A. Saberi, “A control-theoretic approach to distributed discrete-valued decision-making in networks of sensing agents,” IEEE Transactions on Mobile Computing, vol.. 5, no. 8, pp. 945-957, Aug 2006.
  56. S. Roy and A. Saberi, “Static decentralized control of a single-integrator network with Markovian  sensing topology ,” Automatica, vol. 41, no. 11, Nov. 2005, pp. 1867-1877.
  57. S. Roy, A. Saberi, and K. Herlugson, “A control-theoretic perspective on the design of distributed agreement protocols,” International Journal on Robust and Nonlinear Systems, Special Issue on Communicating-Agent Networks.
  58. S. Roy, G.C. Verghese, and B.C. Lesieutre, “Moment-linear stochastic systems,” in the Kluwer Press book Informatics in Control, Automation, and Robotics.
  59. S. Roy, A. Saberi, and K. Herlugson, "Formation and alignment of distributed sensing agents with double-integrator dynamics and actuator saturation,” IEEE Press monograph Sensor Network Operations, Jan. 2006.
  60. S. Roy and V. Beiu, “Majority multiplexing: economical redundant fault-tolerant designs for nanoarchitectures,”IEEE Transacations on Nanotechnology, vol. 4, Issue 4, July 2005.
  61. C. Asavathiratham, S. Roy, B. C. Lesieutre, and G. C. Verghese, “The influence model,” IEEE Control Systems Magazine,  Dec. 2001.
  62. S. Roy and M. Souders, “Non-iterative waveform deconvolution using analytical reconstruction filters with time-domain weighting,” IEEE Transactions on Instrumentation and Measurement 50 (4): 899-904, Aug. 2001.

 

Selected Recent Conference-Proceedings Publications:

  1. J. Valdez, X. Zhang, J. A. Torres, and S. Roy, "Fast fault location in power transmission networks using transient signatures from sparsely-placed synchrophasors," Proceedings of North American Power Symposium (NAPS), 2014.
  2. S. Roy, "Feedback control of soil moisture in precision-agriculture systems: Incorporating stochastic weather forecasts," Proceedings of American Control Conference, pp. 2694-2698, 2014.
  3. A. Cook, S. Roy, and Y. Wan, "Designing purely decentralized controllers to stabilize non-minimum-phase double integrator networks with general sensing topologies," Proceedings of Conference on Decision and Control, pp. 61-66, 2013.
  4. C. Taylor, C. Wanke, Y. Wan, and S. Roy, "A decision support tool for flow contingency management," Proceedings of AIAA Guidance Navigation and Control Conference, 2012.