Michael L. Walker

Publication Activity (10 Years)

Years Active: 1993-2020
Publications (10 Years): 4

Top Topics

Explicit Expressions

Single Server Queue

Artificial Neural

Top Venues

IEEE Trans. Control. Syst. Technol.

Publications

Michael L. Walker, Peter de Vries, Federico Felici, Eugenio Schuster
Introduction to Tokamak Plasma Control. ACC (2020)
Menno Lauret, William Wehner, Eugenio Schuster, Christopher T. Holcomb, Timothy C. Luce, John R. Ferron, Michael L. Walker, David A. Humphreys, Benjamin G. Penaflor, Robert D. Johnson
Current profile and energy control in DIII-D plasmas using discrete-time variable-structure control. MED (2017)
Michael L. Walker, Matthew J. Lanctot, Sang-Hee Hahn
Online feedforward calculation for plasma shape control in tokamaks with superconducting coils. CCA (2016)
William Wehner, Menno Lauret, Eugenio Schuster, John R. Ferron, Chris Holcomb, Tim C. Luce, David A. Humphreys, Michael L. Walker, Ben G. Penaflor, Robert D. Johnson
Predictive control of the tokamak q profile to facilitate reproducibility of high-qmin steady-state scenarios at DIII-D. CCA (2016)
William Wehner, Justin E. Barton, Mark D. Boyer, Eugenio Schuster, Tim C. Luce, John R. Ferron, Michael L. Walker, David A. Humphreys, Ben G. Penaflor, Robert D. Johnson
Current profile control for the development of consistent discharges in DIII-D. CDC (2015)
Mark D. Boyer, Justin Barton, Eugenio Schuster, Michael L. Walker, Timothy C. Luce, John R. Ferron, Ben G. Penaflor, Robert D. Johnson, David A. Humphreys
Backstepping Control of the Toroidal Plasma Current Profile in the DIII-D Tokamak. IEEE Trans. Control. Syst. Technol. 22 (5) (2014)
Wenyu Shi, William Wehner, Justin Barton, Mark D. Boyer, Eugenio Schuster, Arnold Kritz, Didier Moreau, Tim C. Luce, John R. Ferron, Michael L. Walker, David A. Humphreys, Ben G. Penaflor, Robert D. Johnson
PTRANSP simulation and experimental test of a robust current profile and βN controller for off-axis current drive scenarios in the DIII-D tokamak. ACC (2013)
William Wehner, Wenyu Shi, Eugenio Schuster, Didier Moreau, Michael L. Walker, John R. Ferron, Tim C. Luce, David A. Humphreys, Ben G. Penaflor, Robert D. Johnson
Identification and control of magneto-kinetic response during advanced tokamak scenarios in DIII-D. ACC (2013)
Justin E. Barton, Wenyu Shi, Karim Besseghir, Jo Lister, Arnold Kritz, Eugenio Schuster, Timothy C. Luce, Michael L. Walker, David A. Humphreys, John R. Ferron
Physics-based control-oriented modeling of the safety factor profile dynamics in high performance tokamak plasmas. CDC (2013)
Mark D. Boyer, Justin Barton, Eugenio Schuster, Michael L. Walker, Timothy C. Luce, John R. Ferron, Ben G. Penaflor, Robert D. Johnson, David A. Humphreys
Current profile tracking for the DIII-D tokamak via LQI optimal control. CDC (2012)
Justin E. Barton, Mark D. Boyer, Wenyu Shi, Eugenio Schuster, Timothy C. Luce, John R. Ferron, Michael L. Walker, David A. Humphreys, Ben G. Penaflor, Robert D. Johnson
First-principles model-based robust control of the current profile evolution in the DIII-D tokamak. ACC (2012)
William Wehner, Wenyu Shi, Eugenio Schuster, Didier Moreau, Michael L. Walker, John R. Ferron, Tim C. Luce, David A. Humphreys, Ben G. Penaflor, Robert D. Johnson
Optimal feedback control of the poloidal magnetic flux profile in the DIII-D tokamak based on identified plasma response models. ACC (2012)
Mark D. Boyer, Justin Barton, Eugenio Schuster, Tim C. Luce, John R. Ferron, Michael L. Walker, David A. Humphreys, Ben G. Penaflor, Robert D. Johnson
Backstepping control of the plasma current profile in the DIII-D tokamak. ACC (2012)
Michael L. Walker
Model-based decoupling control of tokamak plasmas. ACC (2012)
Wenyu Shi, William Wehner, Justin Barton, Mark D. Boyer, Eugenio Schuster, Didier Moreau, Tim C. Luce, John R. Ferron, Michael L. Walker, David A. Humphreys, Ben G. Penaflor, Robert D. Johnson
Multivariable robust control of the plasma rotational transform profile for advanced tokamak scenarios in DIII-D. ACC (2012)
Wenyu Shi, William Wehner, Justin Barton, Mark D. Boyer, Eugenio Schuster, Didier Moreau, Timothy C. Luce, John R. Ferron, Michael L. Walker, David A. Humphreys, Ben G. Penaflor, Robert D. Johnson
A two-time-scale model-based combined magnetic and kinetic control system for advanced tokamak scenarios on DIII-D. CDC (2012)
Yongsheng Ou, Chao Xu, Eugenio Schuster, Timothy C. Luce, John R. Ferron, Michael L. Walker, David A. Humphreys
Optimal Tracking Control of Current Profile in Tokamaks. IEEE Trans. Control. Syst. Technol. 19 (2) (2011)
William Wehner, Chao Xu, Eugenio Schuster, Didier Moreau, Didier Mazon, Michael L. Walker, David A. Humphreys, Yongkyoon In
Data-driven modeling and feedback tracking control of the toroidal rotation profile for advanced tokamak scenarios in DIII-D. CCA (2011)
Justin Barton, Yongsheng Ou, Chao Xu, Eugenio Schuster, Michael L. Walker
Poloidal magnetic flux profile control in tokamaks via normalized coprime factorization robust control. CCA (2011)
J. William Helton, Kevin J. McGown, Michael L. Walker
Conditions for stabilization of the tokamak plasma vertical instability using only a massless plasma analysis. Autom. 46 (11) (2010)
Eugenio Schuster, David Sondak, Reza Arastoo, Michael L. Walker, David A. Humphreys
Optimal tuning of tokamak plasma equilibrium controllers in the presence of time delays. CCA/ISIC (2009)
Michael L. Walker, David A. Humphreys
On feedback stabilization of the tokamak plasma vertical instability. Autom. 45 (3) (2009)
Joseph N. Dalessio, Eugenio Schuster, David A. Humphreys, Michael L. Walker, Yongkyoon In, Jin-Soo Kim
Extending the RWM stability region by optimal feedback control. CDC (2008)
J. William Helton, Kevin J. McGown, Michael L. Walker
Conditions for a massless plasma analysis to predict stabilization of the tokamak plasma vertical instability. CDC (2008)
Yongsheng Ou, Chao Xu, Eugenio Schuster, Tim C. Luce, John R. Ferron, Michael L. Walker, David A. Humphreys
Closed-loop tracking control of poloidal magnetic flux profile in tokamaks. ACC (2008)
Chao Xu, Joseph N. Dalessio, Yongsheng Ou, Eugenio Schuster, Timothy C. Luce, John R. Ferron, Michael L. Walker, David A. Humphreys
POD-based optimal control of current profile in tokamak plasmas via nonlinear programming. ACC (2008)
Michael L. Walker, Eugenio Schuster, Didier Mazon, Didier Moreau
Open and emerging control problems in tokamak plasma control. CDC (2008)
Yongsheng Ou, Chao Xu, Eugenio Schuster, Timothy C. Luce, John R. Ferron, Michael L. Walker
Extremum-Seeking Finite-Time Optimal Control of Plasma Current Profile at the DIII-D Tokamak. ACC (2007)
Yongsheng Ou, Eugenio Schuster, John R. Ferron, Michael L. Walker
Optimal estimation of vessel currents for equilibrium reconstruction enhancement at DIII-D. CDC (2006)
Michael L. Walker, David A. Humphreys
A Multivariable Analysis of the Plasma Vertical Instability in Tokamaks. CDC (2006)
Yongkyoon In, Jin-Soo Kim, David A. Humphreys, Michael L. Walker
Model-based Static and Dynamic Filter Application to Resistive Wall Mode Identification and Feedback Control in DIII-D. CDC (2006)
Eugenio Schuster, Michael L. Walker, David A. Humphreys, Miroslav Krstic
Plasma vertical stabilization with actuation constraints in the DIII-D tokamak. Autom. 41 (7) (2005)
Michael L. Walker, Robert D. Johnson, J. A. Leuer, Ben G. Penaflor
On-Line Calculation of Feedforward Trajectories for Tokamak Plasma Shape Control. CDC/ECC (2005)
Eugenio Schuster, Michael L. Walker, David A. Humphreys, Miroslav Krstic
Toward the implementation of an anti-windup scheme for vertical and shape control in the DIII-D Tokamak. ACC (2004)
Eugenio Schuster, Michael L. Walker, David A. Humphreys, Miroslav Krstic
Plasma vertical stabilization in the presence of coil voltage saturation in the DIII-D tokamak. ACC (2003)
Eugenio Schuster, Miroslav Krstic, Michael L. Walker, David A. Humphreys
Antiwindup scheme for plasma shape control with rate and magnitude actuation constraints in the DIII-D tokamak. CDC (2003)
Michael L. Walker, David A. Humphreys, Eugenio Schuster
Some nonlinear controls for nonlinear processes in the DIII-D tokamak. CDC (2003)
Giuseppe Ambrosino, Marco Ariola, Alfredo Pironti, Alfredo Portone, Michael L. Walker
A control scheme to deal with coil current saturation in a Tokamak. IEEE Trans. Control. Syst. Technol. 9 (6) (2001)
Michael L. Walker, J. William Helton
Application of signal subspace algorithms to scattered geometric optics and edge-diffracted signals. IEEE Trans. Signal Process. 42 (9) (1994)
Joseph A. Ball, J. William Helton, Michael L. Walker
control for nonlinear systems with output feedback. IEEE Trans. Autom. Control. 38 (4) (1993)