Journal Papers

  1. V. Graber and E. Schuster, Nonlinear Burn Control in ITER Using Adaptive Allocation of Actuators with Uncertain Dynamics, Nuclear Fusion 62 (2022) 026016 (18pp).
  2. W. Guttenfelder, (E. Schuster), et al. (Collaboration Paper), NSTX-U theory, modeling and analysis results, Nuclear Fusion 62 (2022) 042023 (17pp).
  3. M. Fenstermacher, (E. Schuster), et al. (Collaboration Paper), DIII-D research advancing the physics basis for optimizing the tokamak approach to fusion energy, Nuclear Fusion 62 (2022) 042024 (22pp).
  4. A. Pajares, E. Schuster, K.E. Thome, A.S. Welander, J.L. Barr, N.W. Eidietis, D.A. Humphreys, Integrated Control of Individual Plasma Scalars with Simultaneous NTM Suppression, Nuclear Fusion 62 (2022) 036018 (22pp).
  5. S. Morosohk. A. Pajares, T. Rafiq, E. Schuster, Neural-Network Model of the Multi-Mode Anomalous for Accelerated Transport Simulations, Nuclear Fusion 61 (2021) 106040 (10pp).
  6. T. Rafiq, S. Kaye, W. Guttenfelder, J. Weiland, E. Schuster, J. Anderson, and L. Luo, Microtearing instabilities and electron thermal transport in low and high collisionality NSTX discharges, Physics of Plasmas 28, 022504 (2021).
  7. A. Pajares and E. Schuster, Integrated Control and Actuator Management Strategies for Internal Inductance and Normalized Beta Regulation, Fusion Engineering and Design 170 (2021) 112526.
  8. V. Graber and E. Schuster, Assessment of the Burning-Plasma Operational Space in ITER by Using a Control-Oriented Core-SOL-Divertor Model, Fusion Engineering and Design 171 (2021) 112516.
  9. S.M. Morosohk, M.D. Boyer and E. Schuster, Accelerated version of NUBEAM capabilities in DIII-D using neural networks, Fusion Engineering and Design 163 (2021) 112125.
  10. A. Pajares and E. Schuster, Current profile and normalized beta control via feedback linearization and Lyapunov techniques, Nuclear Fusion 61 (2021) 036006 (20pp).
  11. A. Pajares and E. Schuster, Integrated Robust Control of the Global Toroidal Rotation and Total Plasma Energy in Tokamaks, IEEE Transactions on Plasma Science, vol. 48, no. 6, pp. 1606-12, June 2020.
  12. A. Pajares and E. Schuster, Robust Nonlinear Burn Control in ITER to Handle Uncertainties in the Fuel-line Concentrations, Nuclear Fusion 59 (2019) 096023 (18pp).
  13. T. Strait, (E. Schuster) et al. (Collaboration Paper), Progress in disruption prevention for ITER, Nuclear Fusion 59 (2019) 112012 (12pp).
  14. C.C. Petty, (E. Schuster) et al. (Collaboration Paper), DIII-D Research Towards Establishing the Scientific Basis for Future Fusion Reactors, Nuclear Fusion 59 (2019) 112002 (16pp).
  15. S.M. Kaye, (E. Schuster) et al. (Collaboration Paper), NSTX/NSTX-U theory, modeling and analysis results, Nuclear Fusion 59 (2019) 112007 (16pp).
  16. Z.O. Ilhan, M.D. Boyer, E. Schuster, TRANSP-based Closed-loop Simulations of Current Profile Optimal Regulation in NSTX-Upgrade, Fusion Engineering and Design, 146 (2019) 555–558.
  17. H. Wang, E. Schuster, Robust Control of the Current Profile and Plasma Energy in EAST, Fusion Engineering and Design, 146 (2019) 688–691.
  18. W.P. Wehner, E. Schuster, M.D. Boyer, F.M. Poli, TRANSP-based Optimization Towards Tokamak Scenario Development, Fusion Engineering and Design, 146 (2019) 547–550.
  19. A. Pajares, W.P. Wehner, E. Schuster, N. Eidietis, A. Welander, R. La Haye, J.R. Ferron, J. Barr, M. Walker, D. Humphreys, A. Hyatt, Integrated Current Profile, Normalized Beta and NTM Control in DIII-D, Fusion Engineering and Design, 146 (2019) 559–562.
  20. E. Schuster, J.E. Barton, W.P. Wehner, M.D. Boyer, T.C. Luce, J.R. Ferron, C. Holcomb, M.L. Walker, D.A. Humphreys, W. Solomon, B.G. Penaflor and R.D. Johnson, Enhanced Reproducibility of L-Mode Plasma Discharges via Physics-model-based q-profile Feedback Control in DIII-D, Nuclear Fusion 57 (2017) 116026 (9pp).
  21. W.M. Solomon, (E. Schuster) et al. (Collaboration Paper), DIII-D Research Advancing the Scientific Basis for Burning Plasmas and Fusion Energy, Nuclear Fusion 57 (2017) 102018 (18pp).
  22. J. Menard, (E. Schuster) et al. (Collaboration Paper), Overview of NSTX Upgrade Initial Results and Modelling Highlights, Nuclear Fusion 57 (2017) 102006 (17pp).
  23. Z.O. Ilhan, J.E. Barton, E. Schuster, D.A. Gates, S.P. Gerhardt, J.E. Menard, Physics-based Control-oriented Modeling of the Current Density Profile Evolution in NSTX-Upgrade, Fusion Engineering and Design, 123 (2017) 564–568.
  24. H. Wang, E. Schuster, T. Rafiq, A. Kritz, S. Ding, Model-based Optimal Scenario Planning in EAST, Fusion Engineering and Design, 123 (2017) 569–573.
  25. W.P. Wehner, J.E. Barton, E. Schuster, C.T. Holcomb, T.C. Luce, J.R. Ferron, M.L. Walker, D.A. Humphreys, B.G. Penaflor and R.D. Johnson, Optimal Current Profile Control for Enhanced Repeatability of L-mode and H-mode Discharges in DIII-D, Fusion Engineering and Design, 123 (2017) 513–517.
  26. A. Pajares and E. Schuster, Nonlinear Burn Control Using In-vessel Coils and Isotopic Fueling in ITER, Fusion Engineering and Design, 123 (2017) 607–611.
  27. W. Shi, W. Wehner, J. Barton, M.D. Boyer, E. Schuster, D. Moreau, M.L. Walker, J.R. Ferron, T.C. Luce, D.A. Humphreys, B.G. Penaflor and R.D. Johnson, Data-driven Robust Control of the Plasma Rotational Transform Profile and Normalized Beta Dynamics for Advanced Tokamak Scenarios in DIII-D, Fusion Engineering and Design, 117 (2017) 39–57.
  28. J.E. Barton, K. Besseghir, J. Lister and E. Schuster, Physics-based control-oriented modeling and robust feedback control of the plasma safety factor profile and stored energy dynamics in ITER, Plasma Physics and Controlled Fusion, 57 115003 (2015).
  29. J.E. Barton, M.D. Boyer, W. Shi, W.P. Wehner, E. Schuster, J.R. Ferron, M.L. Walker, D.A. Humphreys, T.C. Luce, F. Turco, B.G. Penaflor and R.D. Johnson, Physics-model-based nonlinear actuator trajectory optimization and safety factor profile feedback control for advanced scenario development in DIII-D, Nuclear Fusion 55 (2015) 093005 (20pp).
  30. M.D. Boyer and E. Schuster, Nonlinear Burn Condition Control in Tokamaks Using Isotopic Fuel Tailoring, Nuclear Fusion 55 (2015) 083021 (24pp).
  31. R. J. Buttery, (E. Schuster) et al. (Collaboration Paper), DIII-D Research to Address Key Challenges for ITER and Fusion Energy, Nuclear Fusion 55 (2015) 104017.
  32. S. Coda, (E. Schuster) et al. (Collaboration Paper), The Science Program of the TCV Tokamak: Exploring Fusion Reactor and Power Plant Concepts, Nuclear Fusion 55 (2015) 104004 (10pp).
  33. S. Kaye, (E. Schuster) et al. (Collaboration Paper), An Overview of Recent Physics Results from NSTX, Nuclear Fusion 55 (2015) 104002 (18pp).
  34. D. Humphreys, G. Ambrosino, P. de Vries, F. Felici, S.H. Kim, G. Jackson, A. Kallenbach, E. Kolemen, J. Lister, D. Moreau, A. Pironti, G. Raupp, O. Sauter, E. Schuster, J. Snipes, W. Treutterer, M. Walker, A. Welander, A. Winter, L. Zabeo, Novel Aspects of Plasma Control in ITER, Physics of Plasmas 22, 021806 (2015).
  35. M.D. Boyer and E. Schuster, Nonlinear Control and Online Optimization of the Burn Condition in ITER via Heating, Isotopic Fueling, and Impurity Injection, Plasma Physics and Controlled Fusion 56 (2014).
  36. M.D. Boyer, J. Barton, E. Schuster, M.L. Walker, T.C. Luce, J.R. Ferron, B.G. Penaflor, R.D. Johnson and D.A. Humphreys, Backstepping Control of the Toroidal Plasma Current Profile in the DIII-D Tokamak, IEEE Transactions on Control Systems Technology, vol. 22, no. 5, pp. 1725-1739, September 2014.
  37. W. Treutterer, D. Humphreys, G. Raupp, E. Schuster, J. Snipes, G. De Tommasi, M. Walker, A. Winter, Architectural Concept for the ITER Plasma Control System, Fusion Engineering and Design, vol. 89, no. 5, pp. 512-517, May 2014.
  38. Z.O. Ilhan, D. Huxley-Cohen, H. Wang, E. Schuster, M. Gilmore, and A. Ware, Optimal Control of the Plasma Azimuthal Velocity Profile by Feedback ExB Actuation in HELCAT, IEEE Transactions on Plasma Science, vol. 42, no. 3, pp. 469-476, March 2014.
  39. Z.O. Ilhan, Q. Wang, J. Barry, D. Huxley-Cohen, H. Wang, E. Schuster, S. Xie, M. Gilmore, and A. Ware, Extremum-Seeking-Based Fluctuation Mitigation and Azimuthal Velocity Profile Regulation by ExB Actuation in HELCAT, IEEE Transactions on Plasma Science, vol. 42, no. 3, pp. 458-468, March 2014.
  40. M.D. Boyer, J. Barton, E. Schuster, T.C. Luce, J.R. Ferron, M.L. Walker, D.A. Humphreys, B.G. Penaflor and R.D. Johnson, First-Principles-Driven Model-Based Current Profile Control for the DIII-D Tokamak via LQI Optimal Control, Plasma Physics and Controlled Fusion 55 (2013) 105007 (18pp).
  41. C. Xu and E. Schuster, Low-dimensional Modeling of Linear Heat Transfer Systems Using the Incremental Proper Orthogonal Decomposition Method, Asia-Pacific Journal of Chemical Engineering vol. 8, no. 4, p. 473-482, 2013.
  42. C. Xu, Z-G. Ren, Y. Ou, (E. Schuster) and X. Yu, Pseudospectral expansion-based model reduction for control and boundary observation of unstable parabolic partial differential equations, Kongzhi Lilun Yu Yingyong/Control Theory and Applications v 30, n 7, p 793-800, July 2013.
  43. D.N. Hill, (E. Schuster) et al. (Collaboration Paper), Research Toward Resolving Key Issues for ITER and Steady-State Tokamaks, Nuclear Fusion 53 (2013) 104001 (18pp).
  44. S.A. Sabbagh, (E. Schuster) et al. (Collaboration Paper), Overview of Physics Results from the National Spherical Torus Experiment, Nuclear Fusion 53 (2013) 104007 (23pp).
  45. D. Moreau, M.L. Walker, J.R. Ferron, F. Liu, E. Schuster, J.E. Barton, M.D. Boyer, K.H. Burrell, S.M. Flanagan,P. Gohil, R.J. Groebner, C.T. Holcomb, D.A. Humphreys, A.W. Hyatt, R.D. Johnson, R.J. La Haye, J. Lohr, T.C. Luce, J.M. Park, B.G. Penaflor, W. Shi, F. Turco, W. Wehner and the ITPA-IOS group members and experts, Integrated Magnetic and Kinetic Control of Advanced Tokamak Scenarios Based on Data-Driven Models, Nuclear Fusion 53 (2013) 063020 (14pp).
  46. C. Xu, Y. Ou, (E. Schuster) and X. Yu, Computing open-loop optimal control of the q-profile in ramp-up tokamak plasmas using the minimal-surface theory, Plasma Science and Technology v 15, n 5, p 403-410, May 2013.
  47. J. Barton, M.D. Boyer, W. Shi, E. Schuster, T.C. Luce, J.R. Ferron, M.L. Walker, D.A. Humphreys, B.G. Penaflor and R.D. Johnson, Toroidal Current Profile Control During Low Confinement Mode Plasma Discharges in DIII-D via First-Principles-Driven Model-based Robust Control Synthesis, Nuclear Fusion 52 (2012) 123018 (24pp).
  48. W. Wehner and E. Schuster, Control-oriented Modelling for Neoclassical Tearing Mode Stabilization via Minimum-seeking Techniques, Nuclear Fusion 52 (2012) 074003 (13pp).
  49. J. Barton, Y. Ou, C. Xu, E. Schuster and M.L. Walker, Simserver Simulation of a Model-Based Current Profile Controller in the DIII-D Plasma Control System, Fusion Engineering and Design, 86 (2011) 1116-1119.
  50. W. Shi, M. Alsarheed, E. Schuster, M.L. Walker, J. Leuer, D.A. Humphreys and D.A. Gates, Multivariable Model-based Shape Control for the National Spherical Torus Experiment (NSTX), Fusion Engineering and Design, 86 (2011) 1107-1111.
  51. D. Sondak, R. Arastoo, E. Schuster and M.L. Walker, Remediation of Time-Delay Effects in Tokamak Axisymmetric Control Loops by Optimal Tuning and Robust Predictor Augmentation , Fusion Engineering and Design 86 (2011) 1112-1115.
  52. R. Raman, (E. Schuster) et al. (Collaboration Paper), Overview of Physics Results from NSTX, Nuclear Fusion 51 (2011) 094011 (18pp).
  53. C.M. Greenfield, (E. Schuster) et al. (Collaboration Paper), DIII-D Contributions Toward the Scientific Basis for Sustained Burning Plasmas, Nuclear Fusion 51 (2011) 094009 (17pp).
  54. D. Moreau, D. Mazon, M.L. Walker, J.R. Ferron, K.H. Burrell, S.M. Flanagan, P. Gohil, R.J. Groebner, A.W. Hyatt, R.J. La Haye, J. Lohr, F. Turco, E. Schuster, Y. Ou, C. Xu, Y. Takase, Y. Sakamoto, S. Ide, T. Suzuki and ITPA-IOS group members and experts, Plasma Models for Real-time Control of Advanced Tokamak Scenarios, Nuclear Fusion 51 (2011) 063009 (14pp).
  55. Y. Ou, C. Xu, E. Schuster, T. C. Luce, J. R. Ferron, M. L. Walker and D. A. Humphreys, Optimal Tracking Control of Current Profile in Tokamaks, IEEE Transactions on Control Systems Technology, vol. 19, no. 2, pp. 432-441, March 2011.
  56. C. Xu, Y. Ou and E. Schuster, Sequential Linear Quadratic Control of Bilinear Parabolic PDEs based on POD Model Reduction, Automatica, vol. 47, no. 2, pp. 418-426, February 2011.
  57. Y. Ou, C. Xu, E. Schuster, J. R. Ferron, T. C. Luce, M. L. Walker and D. A. Humphreys, Receding-Horizon Optimal Control of the Current Profile Evolution During the Ramp-Up Phase of a Tokamak Discharge, Control Engineering Practice, 19 (2011) 22-31.
  58. Y. Ou, C. Xu and E. Schuster, Robust Control Design for the Poloidal Magnetic Flux Profile Evolution in the Presence of Model Uncertainties, IEEE Transactions on Plasma Science, vol. 38, no. 3, pp. 375-382, March 2010.
  59. C. Xu, Y. Ou and E. Schuster, Transport Parameter Estimations of Plasma Transport Dynamics using the Extended Kalman Filter, IEEE Transactions on Plasma Science, vol. 38, no. 3, pp. 359-364, March 2010.
  60. C. Xu, J. Dalessio, Y. Ou, E. Schuster, T.C. Luce, J.R. Ferron, M.L. Walker and D.A. Humphreys, Ramp-Up Phase Current Profile Control of Tokamak Plasmas via Nonlinear Programming, IEEE Transactions on Plasma Science, vol. 38, no. 2, pp. 163-173, February 2010.
  61. R. Vazquez, E. Schuster and M. Krstic, A Closed-Form Full-State Feedback Controller for Stabilization of 3D Magnetohydrodynamic Channel Flow, ASME Journal of Dynamic Systems, Measurement and Control, 131, 041001 (2009).
  62. J. Dalessio, E. Schuster, D. Humphreys, M. Walker, Y. In and J.S. Kim, Model-based Control of the Resistive Wall Mode in DIII-D: A Comparison Study, Fusion Engineering and Design, v 84, n 2-6, p 641-645, June 2009.
  63. D.A. Gates, (E. Schuster) et al. (Collaboration Paper), Overview of results from the National Spherical Torus Experiment (NSTX), Nuclear Fusion 49 (2009) 104016 (14pp).
  64. E.J. Strait, (E. Schuster) et al. (Collaboration Paper), DIII-D Research in Support of ITER, Nuclear Fusion 49 (2009) 104008 (15pp).
  65. J. Dalessio, E. Schuster, D. Humphreys, M. Walker, Y. In and J.S. Kim, Model-based Robust Control of Resistive Wall Modes via mu-synthesis, Fusion Science and Technology, v 55, n 2, February, 2009, p 163-179.
  66. F. Si, C. E. Romero, Z. Yao, E. Schuster, Z. Xu, R. L. Morey and B. N. Liebowitz, Optimization of coal-fired boiler SCRs based on modified support vector machine models and genetic algorithms, Fuel, 88 (2009) 806-816.
  67. R. Vazquez, E. Schuster and M. Krstic, Magnetohydrodynamic State Estimation with Boundary Sensors, Automatica, 44 (2008) 2517-2527.
  68. E. Schuster, L. Luo, and M. Krstic, MHD Channel Flow Control in 2D: Mixing Enhancement by Boundary Feedback, Automatica 44 (2008) 2498-2507.
  69. Y. Ou, C. Xu, E. Schuster, T.C. Luce, J.R. Ferron, M.L. Walker and D.A. Humphreys, Extremum-Seeking Open-Loop Optimal Control of Plasma Current Profile at the DIII-D Tokamak, Plasma Physics and Controlled Fusion 50 (2008) 115001.
  70. J. Woodby, E. Schuster, G. Bateman, A. Kritz, Model for Current Drive Stabilization of Neoclassical Tearing Modes, Physics of Plasmas 15, 092504 (2008).
  71. N.A. Lynch, C.D. Onal, E. Schuster and M. Sitti, Vision-Based Feedback Strategy for Controlled Pushing of Microparticles, Journal of Micro-Nano Mechatronics, Volume 4, Issue 1, pp 73-83, November 2008.
  72. C. Xu, E. Schuster, R. Vazquez and M. Krstic, Stabilization of Linearized 2D Magnetohydrodynamic Channel Flow by Backstepping Boundary Control, Systems & Control Letters 57 (2008) 805-812.
  73. E. Schuster, C. Xu, N. Torres, E. Morinaga, C. Allen and M. Krstic, Beam matching adaptive control via extremum seeking, Nuclear Instruments and Methods in Physics Research A, v 581, n 3, Nov. 2007, p 799-815.
  74. Y. Ou, M.L. Walker, E. Schuster and J.R. Ferron, Equilibrium Reconstruction Improvement via Kalman-filter-based Vessel Current Estimation at DIII-D, Fusion Engineering and Design, v 82, n 5-14, Oct. 2007, p 1144-52.
  75. Y. Ou, T.C. Luce, E. Schuster, J.R. Ferron, M.L. Walker, C. Xu, and D.A. Humphreys, Towards Model-based Current Profile Control at DIII-D, Fusion Engineering and Design, v 82, n 5-14, Oct. 2007, p 1153-60.
  76. D.A. Humphreys, J.R. Ferron, M. Bakhtiari, J.A. Blair, Y. In, G.L. Jackson, H. Jhang, R.D. Johnson, J.S. Kim, R.J. LaHaye, J.A. Leuer, B.G. Penaflor, E. Schuster, M.L.Walker, H. Wang, A.S.Welander and D.G. Whyte, Development of ITER-relevant plasma control solutions at DIII-D, Nuclear Fusion 47 (2007) 943-951.
  77. M.R. Wade, (E. Schuster) et al. (Collaboration Paper), Development in the DIII-D Tokamak of Advanced Operating Scenarios and Associated Control Techniques for ITER, Nuclear Fusion 47 (2007) S543-S562.
  78. M.L. Walker, D.A. Humphreys, D. Mazon, D. Moreau, M. Okabayashi, T.H. Osborne, E. Schuster, Emerging Applications in Tokamak Plasma Control: Control Solutions for Next Generation Tokamaks, IEEE Control System Magazine, vol. 26, no. 2, pp. 35-63, 2006.
  79. E. Schuster, M.L. Walker, D.A. Humphreys and M. Krstic, Plasma vertical stabilization with actuation constraints in the DIII-D tokamak, Automatica, 41, pp. 1173-1179, Jan. 2005.
  80. M.L. Walker, J.R. Ferron, D.A. Humphreys, R.D. Johnson, J.A. Leuer, B.G. Penaflor, A. Pironti, M. Ariola and E. Schuster, Next-Generation Plasma Control in the DIII-D Tokamak, Fusion Engineering and Design, 66-68, pp.749-753, Sept. 2003.
  81. E. Schuster and M. Krstic, Control of a Nonlinear PDE System Arising from Non-Burning Tokamak Plasma Transport Dynamics, International Journal of Control, vol.76, no.11, pp. 1116-1124, July 2003.
  82. E. Schuster, M. Krstic and G. Tynan, Burn Control in Fusion Reactors via Nonlinear Stabilization Techniques, Fusion Science and Technology, vol.43, no.1, pp. 18-37, January 2003.
  83. E. Schuster, M. Krstic and G. Tynan, Nonlinear Lyapunov-Based Burn Control in Fusion Reactors, Fusion Engineering and Design, 63-64, pp.569-575, 2002.