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  1. Logarithmic Resilience Risk Metrics That Address the Huge Variations in Blackout Cost

    Article • IEEE Transactions on Power Systems, November 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  2. Towards Using Utility Data to Quantify How Investments Would Have Increased the Wind Resilience of Distribution Systems

    Article • IEEE Transactions on Power Systems, July 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  3. How Long is a Resilience Event in a Transmission System?: Metrics and Models Driven by Utility Data

    Article • IEEE Transactions on Power Systems, March 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  4. Risk Assessment and Mitigation of Cascading Failures Using Critical Line Sensitivities

    Article • IEEE Transactions on Power Systems, March 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  5. Quantifying the earthquake risk to the electric power transmission system in Los Angeles at the census tract level (May 2024)

    Article • IEEE Access, January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  6. Models, Metrics, and Their Formulas for Typical Electric Power System Resilience Events

    Article • IEEE Transactions on Power Systems, November 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  7. The Most Frequent N-K Line Outages Occur in Motifs That Can Improve Contingency Selection

    Article • IEEE Transactions on Power Systems, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  8. Ranking the Impact of Interdependencies on Power System Resilience using Stratified Sampling of Utility Data

    Article • IEEE Transactions on Power Systems, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  9. Investment planning for earthquake-resilient electric power systems considering cascading outages

    Article • Earthquake Spectra, February 2022, SAGE Publications

    Professor Ian Dobson

  10. Methods for Analysis and Quantification of Power System Resilience

    Article • IEEE Transactions on Power Systems, January 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson, Christian Hachmann

  11. Extracting Resilience Metrics From Distribution Utility Data Using Outage and Restore Process Statistics

    Article • IEEE Transactions on Power Systems, November 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  12. Observed Acceleration of Cascading Outages

    Article • IEEE Transactions on Power Systems, July 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  13. Bayesian Estimates of Transmission Line Outage Rates That Consider Line Dependencies

    Article • IEEE Transactions on Power Systems, March 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  14. Real-Time Area Angle Monitoring Using Synchrophasors: A Practical Framework and Utility Deployment

    Article • IEEE Transactions on Smart Grid, January 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  15. A Markovian Influence Graph Formed From Utility Line Outage Data to Mitigate Large Cascades

    Article • IEEE Transactions on Power Systems, July 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  16. Critical behavior of power transmission network complex dynamics in the OPA model

    Article • Chaos An Interdisciplinary Journal of Nonlinear Science, March 2019, American Institute of Physics

    Professor Ian Dobson

  17. Sensitivity of Transient Stability Critical Clearing Time

    Article • IEEE Transactions on Power Systems, November 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  18. Heavy-Tailed Transmission Line Restoration Times Observed in Utility Data

    Article • IEEE Transactions on Power Systems, January 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  19. The risk of large blackouts is larger than the risk of medium size blackouts

    Article • IEEE Transactions on Power Systems, November 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  20. Obtaining Statistics of Cascading Line Outages Spreading in an Electric Transmission Network From Standard Utility Data

    Article • IEEE Transactions on Power Systems, November 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  21. The interplay of network structure and dispatch solutions in power grid cascading failures

    Article • Chaos An Interdisciplinary Journal of Nonlinear Science, November 2016, American Institute of Physics

    Professor Ian Dobson

  22. Applying a Formula for Generator Redispatch to Damp Interarea Oscillations Using Synchrophasors

    Article • IEEE Transactions on Power Systems, July 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  23. Seismic Retrofit for Electric Power Systems

    Article • Earthquake Spectra, May 2015, SAGE Publications

    Professor Ian Dobson

  24. Does size matter?

    Article • Chaos An Interdisciplinary Journal of Nonlinear Science, June 2014, American Institute of Physics

    Professor Ian Dobson

  25. Area angles monitor area stress by responding to line outages

    Article • September 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  26. A formula for damping interarea oscillations with generator redispatch

    Article • August 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  27. Analysis of Induction Motor Cascading Stall in a Simple System Based on the CASCADE Model

    Article • IEEE Transactions on Power Systems, August 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  28. Applying Synchrophasor Computations to a Specific Area

    Article • IEEE Transactions on Power Systems, August 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  29. Speedy Simulation of Cascading Blackouts

    Article • IEEE Transactions on Power Systems, August 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  30. Synchrony and your morning coffee

    Article • Nature Nanotechnology, February 2013, Springer Science + Business Media

    Professor Ian Dobson

  31. "Dual Graph" and "Random Chemistry" Methods for Cascading Failure Analysis

    Article • January 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  32. Cascading stall of many induction motors in a simple system

    Article • January 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  33. Splitting method for speedy simulation of cascading blackouts

    Article • January 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  34. Validating OPA with WECC Data

    Article • January 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  35. Cascading Stall of Many Induction Motors in a Simple System

    Article • IEEE Transactions on Power Systems, November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  36. Estimating the Propagation and Extent of Cascading Line Outages From Utility Data With a Branching Process

    Article • IEEE Transactions on Power Systems, November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  37. Estimating Propagation and Distribution of Load Shed in Simulations of Cascading Blackouts

    Article • IEEE Systems Journal, September 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  38. Locating line outages in a specific area of a power system with synchrophasors

    Article • September 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  39. Voltages across an area of a network

    Article • July 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  40. Risk Assessment of Cascading Outages: Methodologies and Challenges

    Article • IEEE Transactions on Power Systems, May 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  41. Voltages Across an Area of a Network

    Article • IEEE Transactions on Power Systems, May 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  42. Wide-Area Monitoring and Situational Awareness

    Article • April 2012, Taylor & Francis

    Professor Ian Dobson

  43. Systems Aspects of Large Blackouts

    Article • April 2012, Taylor & Francis

    Professor Ian Dobson

  44. Investment Planning for Electric Power Systems Under Terrorist Threat

    Article • IEEE Transactions on Power Systems, February 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  45. Determining the Vulnerabilities of the Power Transmission System

    Article • January 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  46. Risk Metrics for Dynamic Complex Infrastructure Systems Such as the Power Transmission Grid

    Article • January 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  47. Estimating the extent of cascading transmission line outages using standard utility data and a branching process

    Article • July 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  48. Risk assessment of cascading outages: Part I — Overview of methodologies

    Article • July 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  49. Survey of tools for risk assessment of cascading outages

    Article • July 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  50. Exploring Complex Systems Aspects of Blackout Risk and Mitigation

    Article • IEEE Transactions on Reliability, March 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  51. The Impact of Distributed Generation on Power Transmission Grid Dynamics

    Article • January 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  52. The irrelevance of electric power system dynamics for the loading margin to voltage collapse and its sensitivities

    Article • Nonlinear Theory and Its Applications IEICE, January 2011, Institute of Electronics, Information and Communications Engineers (IEICE)

    Professor Ian Dobson

  53. Approximating a Loading-Dependent Cascading Failure Model With a Branching Process

    Article • IEEE Transactions on Reliability, December 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  54. Number and propagation of line outages in cascading events in electric power transmission systems

    Article • September 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  55. New angles for monitoring areas

    Article • August 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  56. A cutset area concept for phasor monitoring

    Article • July 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  57. Key Technical Challenges for the Electric Power Industry and Climate Change

    Article • IEEE Transactions on Energy Conversion, June 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  58. Testing Branching Process Estimators of Cascading Failure with Data from a Simulation of Transmission Line Outages

    Article • Risk Analysis, April 2010, Wiley

    Professor Ian Dobson

  59. Propagation of Load Shed in Cascading Line Outages Simulated by OPA

    Article • February 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  60. Combining Phasor Measurements to Monitor Cutset Angles

    Article • January 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  61. Dynamics of an Economics Model for Generation Coupled to the OPA Power Transmission Model

    Article • January 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  62. The impact of risk-averse operation on the likelihood of extreme events in a simple model of infrastructure

    Article • Chaos An Interdisciplinary Journal of Nonlinear Science, December 2009, American Institute of Physics

    Professor Ian Dobson

  63. Vulnerability assessment for cascading failures in electric power systems

    Article • March 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  64. Implications of an inverse branching aftershock sequence model

    Article • Physical Review E, January 2009, American Physical Society (APS)

    Professor Ian Dobson

  65. A Simple Model for the Reliability of an Infrastructure System Controlled by Agents

    Article • January 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  66. Analysis of Cascading Infrastructure Failures

    Article • November 2008, Wiley

    Professor Ian Dobson

  67. Using Transmission Line Outage Data to Estimate Cascading Failure Propagation in an Electric Power System

    Article • IEEE Transactions on Circuits & Systems II Express Briefs, September 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  68. Long-Term Effect of the n-1 Criterion on Cascading Line Outages in an Evolving Power Transmission Grid

    Article • IEEE Transactions on Power Systems, August 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  69. Initial review of methods for cascading failure analysis in electric power transmission systems IEEE PES CAMS task force on understanding, prediction, mitigation and restoration of cascading failures

    Article • July 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  70. The electric power industry and climate change: U.S. research needs

    Article • July 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  71. Evaluating the Effect of Upgrade, Control and Development Strategies on Robustness and Failure Risk of the Power Transmission Grid

    Article • January 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  72. Complex systems analysis of series of blackouts: Cascading failure, critical points, and self-organization

    Article • Chaos An Interdisciplinary Journal of Nonlinear Science, June 2007, American Institute of Physics

    Professor Ian Dobson

  73. Where is the edge for cascading failure?: challenges and opportunities for quantifying blackout risk

    Article • June 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  74. Counterexamples to a Method for Identifying Hopf Bifurcations Without Eigenvalue Calculation

    Article • IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing, May 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  75. Interdependent Risk in Interacting Infrastructure Systems

    Article • January 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  76. Towards quantifying cascading blackout risk

    Article • January 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  77. Complex Interacting Infrastructure Systems

    Article • January 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  78. Criticality in a cascading failure blackout model

    Article • International Journal of Electrical Power & Energy Systems, November 2006, Elsevier

    Professor Ian Dobson

  79. An Estimator of Propagation of Cascading Failure

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  80. Hexagonal$Sigma Delta$Modulators in Power Electronics

    Article • IEEE Transactions on Power Electronics, September 2005, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  81. ESTIMATING FAILURE PROPAGATION IN MODELS OF CASCADING BLACKOUTS

    Article • Probability in the Engineering and Informational Sciences, August 2005, Cambridge University Press

    Professor Ian Dobson

  82. Cascading dynamics and mitigation assessment in power system disturbances via a hidden failure model

    Article • International Journal of Electrical Power & Energy Systems, May 2005, Elsevier

    Professor Ian Dobson

  83. Perturbations of Weakly Resonant Power System Electromechanical Modes

    Article • IEEE Transactions on Power Systems, February 2005, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  84. A LOADING-DEPENDENT MODEL OF PROBABILISTIC CASCADING FAILURE

    Article • Probability in the Engineering and Informational Sciences, January 2005, Cambridge University Press

    Professor Ian Dobson

  85. Quantifying transmission reliability margin

    Article • International Journal of Electrical Power & Energy Systems, November 2004, Elsevier

    Professor Ian Dobson

  86. Complex dynamics of blackouts in power transmission systems

    Article • Chaos An Interdisciplinary Journal of Nonlinear Science, September 2004, American Institute of Physics

    Professor Ian Dobson

  87. Evidence for Self-Organized Criticality in a Time Series of Electric Power System Blackouts

    Article • IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications, September 2004, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  88. Scaling of Normal Form Analysis Coefficients Under Coordinate Change

    Article • IEEE Transactions on Power Systems, August 2004, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  89. On the Physics of Harmonic Injection in a Traveling Wave Tube

    Article • IEEE Transactions on Plasma Science, June 2004, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  90. Distance to Bifurcation in Multidimensional Parameter Space: Margin Sensitivity and Closest Bifurcations

    Article • April 2004, Springer Science + Business Media

    Professor Ian Dobson

  91. Hexagonal Sigma-Delta modulation

    Article • IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications, August 2003, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  92. Critical points and transitions in an electric power transmission model for cascading failure blackouts

    Article • Chaos An Interdisciplinary Journal of Nonlinear Science, December 2002, American Institute of Physics

    Professor Ian Dobson

  93. Generation and growth rates of nonlinear distortions in a traveling wave tube

    Article • November 2002, American Physical Society (APS)

    Professor Ian Dobson

  94. The multifrequency spectral eulerian (muse) model of a traveling wave tube

    Article • IEEE Transactions on Plasma Science, June 2002, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  95. Sensitivity of transfer capability margins with a fast formula

    Article • IEEE Transactions on Power Systems, January 2002, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  96. Is strong modal resonance a precursor to power system oscillations?

    Article • IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications, March 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  97. Contingency ranking for voltage collapse via sensitivities from a single nose curve

    Article • IEEE Transactions on Power Systems, January 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  98. Justification of torque per unit velocity methods of analyzing subsynchronous resonance and a swing mode in power systems

    Article • IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications, January 1998, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  99. Sensitivity of the loading margin to voltage collapse with respect to arbitrary parameters

    Article • IEEE Transactions on Power Systems, January 1997, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  100. Computing the damping of subsynchronous oscillations due to a thyristor controlled series capacitor

    Article • IEEE Transactions on Power Delivery, April 1996, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  101. Instability tests, Lyapunov's direct method, and exact stability boundaries for flexible satellites

    Article • Journal of Guidance Control and Dynamics, May 1995, American Institute of Aeronautics and Astronautics (AIAA)

    Professor Ian Dobson

  102. Closest bifurcation analysis and robust stability design of flexible satellites

    Article • Journal of Guidance Control and Dynamics, March 1995, American Institute of Aeronautics and Astronautics (AIAA)

    Professor Ian Dobson

  103. Damping and Resonance in a High Power Switching Circuit

    Article • January 1995, Springer Science + Business Media

    Professor Ian Dobson

  104. Stability of ideal thyristor and diode switching circuits

    Article • IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications, January 1995, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  105. Truncated fractal basin boundaries in the pendulum with nonperiodic forcing

    Article • Journal of Nonlinear Science, December 1994, Springer Science + Business Media

    Professor Ian Dobson

  106. Dynamic response of a thyristor controlled switched capacitor

    Article • IEEE Transactions on Power Delivery, July 1994, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  107. Computation of closest bifurcations in power systems

    Article • IEEE Transactions on Power Systems, May 1994, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  108. Computing a closest bifurcation instability in multidimensional parameter space

    Article • Journal of Nonlinear Science, December 1993, Springer Science + Business Media

    Professor Ian Dobson

  109. New methods for computing a closest saddle node bifurcation and worst case load power margin for voltage collapse

    Article • IEEE Transactions on Power Systems, January 1993, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  110. Point of collapse methods applied to AC/DC power systems

    Article • IEEE Transactions on Power Systems, May 1992, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  111. Voltage collapse in power systems

    Article • IEEE Circuits and Devices Magazine, May 1992, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  112. Observations on the geometry of saddle node bifurcation and voltage collapse in electrical power systems

    Article • IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications, March 1992, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  113. Computing an optimum direction in control space to avoid stable node bifurcation and voltage collapse in electric power systems

    Article • IEEE Transactions on Automatic Control, January 1992, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  114. On voltage collapse in electric power systems

    Article • IEEE Transactions on Power Systems, May 1990, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson

  115. Towards a theory of voltage collapse in electric power systems

    Article • Systems & Control Letters, September 1989, Elsevier

    Professor Ian Dobson

  116. Perturbations of weakly resonant power system electromechanical modes

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Ian Dobson