Back to MJ's Publications

A. Zare.
Lowcomplexity stochastic modeling of wallbounded shear flows.
PhD thesis,
University of Minnesota,
2016.
Keyword(s): Alternating minimization algorithm,
Colored noise,
Convex optimization,
Disturbance dynamics,
Flow modeling and control,
Lowcomplexity modeling,
Lowrank approximation,
Matrix completion problem,
Nuclear norm regularization,
Structured covariances,
Turbulence modeling.
[bibtexentry]

H. Mohammadi,
A. Zare,
M. Soltanolkotabi,
and M. R. Jovanovic.
Convergence and sample complexity of gradient methods for the modelfree linearquadratic regulator problem.
IEEE Trans. Automat. Control,
67(5):24352450,
May 2022.
Keyword(s): Datadriven control,
Gradient descent,
Gradientflow dynamics,
Linear quadratic regulator,
Modelfree control,
Nonconvex optimization,
Optimization,
Optimal control,
PolyakLojasiewicz inequality,
Random search method,
Reinforcement learning,
Sample complexity.
[bibtexentry]

W. Ran,
A. Zare,
and M. R. Jovanovic.
Modelbased design of riblets for turbulent drag reduction.
J. Fluid Mech.,
906:A7 (38 pages),
January 2021.
Keyword(s): Drag reduction,
Riblets,
Sensorfree flow control,
Spatiallyperiodic systems,
Spatiotemporal frequency responses,
Stochasticallyforced NavierStokes equations,
Turbulence modeling.
[bibtexentry]

A. Zare,
T. T. Georgiou,
and M. R. Jovanovic.
Stochastic dynamical modeling of turbulent flows.
Annu. Rev. Control Robot. Auton. Syst.,
3:195219,
May 2020.
Keyword(s): Colored noise,
Convex optimization,
Disturbance dynamics,
Flow modeling and control,
Lowcomplexity modeling,
Lowrank approximation,
Matrix completion problems,
Nuclear norm regularization,
Structured covariances,
Turbulence modeling.
[bibtexentry]

A. Zare,
H. Mohammadi,
N. K. Dhingra,
T. T. Georgiou,
and M. R. Jovanovic.
Proximal algorithms for largescale statistical modeling and sensor/actuator selection.
IEEE Trans. Automat. Control,
65(8):34413456,
August 2020.
Keyword(s): Actuator selection,
Augmented Lagrangian,
Convex optimization,
Lowrank perturbation,
Matrix completion problem,
Method of multipliers,
Nonsmooth optimization,
Proximal algorithms,
Regularization for design,
Sensor selection,
Sparsitypromoting optimal control,
Structured covariances.
[bibtexentry]

W. Ran,
A. Zare,
M. J. P. Hack,
and M. R. Jovanovic.
Modeling mode interactions in boundary layer flows via Parabolized Floquet Equations.
Phys. Rev. Fluids,
4(2):023901 (22 pages),
February 2019.
Keyword(s): Boundary layers,
Controloriented modeling,
Distributed systems,
Floquet theory,
Htype transition,
Laminar streaks,
Parabolized Floquet equations,
Parabolized stability equations,
Periodic systems,
Transition to turbulence.
[bibtexentry]

W. Ran,
A. Zare,
M. J. P. Hack,
and M. R. Jovanovic.
Stochastic receptivity analysis of boundary layer flow.
Phys. Rev. Fluids,
4(9):093901 (28 pages),
September 2019.
Keyword(s): Boundary layers,
Boundary layer receptivity,
Controloriented modeling,
Distributed systems,
Energy amplification,
Flow modeling and control,
Freestream turbulence,
Lowcomplexity modeling,
NavierStokes equations,
Spatiallyevolving flows,
Transition to turbulence.
[bibtexentry]

A. Zare,
Y. Chen,
M. R. Jovanovic,
and T. T. Georgiou.
Lowcomplexity modeling of partially available secondorder statistics: theory and an efficient matrix completion algorithm.
IEEE Trans. Automat. Control,
62(3):13681383,
March 2017.
Keyword(s): Alternating minimization algorithm,
Convex optimization,
Disturbance dynamics,
Lowrank approximation,
Matrix completion problems,
Nuclear norm regularization,
Structured covariances.
[bibtexentry]

A. Zare,
M. R. Jovanovic,
and T. T. Georgiou.
Colour of turbulence.
J. Fluid Mech.,
812:636680,
February 2017.
Keyword(s): Colored noise,
Convex optimization,
Disturbance dynamics,
Flow modeling and control,
Lowcomplexity modeling,
Lowrank approximation,
Matrix completion problems,
Nuclear norm regularization,
Structured covariances,
Turbulence modeling.
[bibtexentry]

W. Ran,
A. Zare,
M. J. P. Hack,
and M. R. Jovanovic.
Boundary layer receptivity analysis via the algebraic Lyapunov equation.
In Proceedings of the 2020 AIAA SciTech Forum and Exposition,
Orlando, FL,
pages 0109 (15 pages),
2020.
Keyword(s): Boundary layers,
Boundary layer receptivity,
Controloriented modeling,
Distributed systems,
Energy amplification,
Flow modeling and control,
Freestream turbulence,
Lowcomplexity modeling,
NavierStokes equations,
Spatiallyevolving flows,
Transition to turbulence.
[bibtexentry]

W. Ran,
A. Zare,
and M. R. Jovanovic.
Frequencyresponse analysis of riblets for turbulent drag reduction.
In Proceedings of the 24th International Symposium on Mathematical Theory of Network and Systems,
Cambridge, UK,
2020.
Note: Submitted.
Keyword(s): Drag reduction,
Riblets,
Sensorfree flow control,
Spatiallyperiodic systems,
Spatiotemporal frequency responses,
Stochasticallyforced NavierStokes equations,
Turbulence modeling.
[bibtexentry]

H. Mohammadi,
A. Zare,
M. Soltanolkotabi,
and M. R. Jovanovic.
Global exponential convergence of gradient methods over the nonconvex landscape of the linear quadratic regulator.
In Proceedings of the 58th IEEE Conference on Decision and Control,
Nice, France,
pages 74747479,
2019.
Keyword(s): Datadriven control,
Global exponential stability,
Gradient descent,
Gradientflow dynamics,
Modelfree control,
Nonconvex optimization,
Optimization,
Optimal control,
Reinforcement learning.
[bibtexentry]

W. Ran,
A. Zare,
M. J. P. Hack,
and M. R. Jovanovic.
Relating global and local stochastic receptivity analysis of boundary layer flows.
In Proceedings of the 2019 American Control Conference,
Philadelphia, PA,
pages 32123217,
2019.
Note: (Invited paper).
Keyword(s): Boundary layers,
Boundary layer receptivity,
Controloriented modeling,
Distributed systems,
Energy amplification,
Flow modeling and control,
Freestream turbulence,
Lowcomplexity modeling,
NavierStokes equations,
Spatiallyevolving flows,
Transition to turbulence.
[bibtexentry]

W. Ran,
A. Zare,
and M. R. Jovanovic.
Drag reduction in turbulent channel flow over spatially periodic surfaces.
In Proceedings of the 58th IEEE Conference on Decision and Control,
Nice, France,
pages 59185923,
2019.
Keyword(s): Drag reduction,
Riblets,
Sensorfree flow control,
Spatiallyperiodic systems,
Spatiotemporal frequency responses,
Stochasticallyforced NavierStokes equations,
Turbulence modeling.
[bibtexentry]

W. Ran,
A. Zare,
M. J. P. Hack,
and M. R. Jovanovic.
Lowcomplexity modeling of mode interactions in boundary layer flows.
In Proceedings of the 2018 American Control Conference,
Milwaukee, WI,
pages 134139,
2018.
Note: (Invited paper).
Keyword(s): Boundary layers,
Controloriented modeling,
Distributed systems,
Floquet theory,
Parabolized stability equations,
Spatiallyperiodic systems,
Transition to turbulence.
[bibtexentry]

A. Zare and M. R. Jovanovic.
Optimal sensor selection via proximal optimization algorithms.
In Proceedings of the 57th IEEE Conference on Decision and Control,
Miami, FL,
pages 65146519,
2018.
Keyword(s): Convex optimization,
Proximal algorithms,
Sensor selection,
Semidefinite programming,
Sparsitypromoting estimation and control,
QuasiNewton methods.
[bibtexentry]

D. Deka,
A. Zare,
A. Lokhov,
M. R. Jovanovic,
and M. Chertkov.
State and noise covariance estimation in power grids using limited nodal PMUs.
In Proceedings of the 5th IEEE Global Conference on Signal and Information Processing,
Montreal, Canada,
2017.
Keyword(s): Covariance completion,
Delayed covariance,
Power systems,
Synchronization.
[bibtexentry]

W. Ran,
A. Zare,
M. J. P. Hack,
and M. R. Jovanovic.
Lowcomplexity stochastic modeling of spatiallyevolving flows.
In Proceedings of the 2017 American Control Conference,
Seattle, WA,
pages 38153820,
2017.
Note: (Invited paper).
Keyword(s): Flow modeling and control,
Lowcomplexity modeling,
Parabolized stability equations,
Spatiallyevolving flows,
Transition to turbulence,
Turbulence modeling.
[bibtexentry]

W. Ran,
A. Zare,
J. W. Nichols,
and M. R. Jovanovic.
The effect of sponge layers on global stability analysis of Blasius boundary layer flow.
In Proceedings of the 47th AIAA Fluid Dynamics Conference,
Denver, CO,
pages 3456 (12 pages),
2017.
Keyword(s): Global stability analysis,
Sponge layer,
Boundary layer flow.
[bibtexentry]

A. Zare,
N. K. Dhingra,
M. R. Jovanovic,
and T. T. Georgiou.
Structured covariance completion via proximal algorithms.
In Proceedings of the 56th IEEE Conference on Decision and Control,
Melbourne, Australia,
pages 37753780,
2017.
Keyword(s): Augmented Lagrangian,
Convex optimization,
Lowrank perturbation,
Matrix completion problem,
Method of multipliers,
Nonsmooth optimization,
Proximal methods,
Regularization,
Sparsitypromoting optimal control,
Structured covariances.
[bibtexentry]

C. Grussler,
A. Zare,
M. R. Jovanovic,
and A. Rantzer.
The use of the $r*$ heuristic in covariance completion problems.
In Proceedings of the 55th IEEE Conference on Decision and Control,
Las Vegas, NV,
pages 19781983,
2016.
Keyword(s): Convex optimization,
$k$supportnorm,
Lowrank approximation,
Matrix completion problems,
Nuclear norm regularization,
Structured covariances.
[bibtexentry]

W. Ran,
A. Zare,
M. J. P. Hack,
and M. R. Jovanovic.
Lowcomplexity stochastic modeling of spatiallyevolving flows.
In Proceedings of the 2016 Summer Program,
Center for Turbulence Research, Stanford University/NASA,
pages 285294,
2016.
Keyword(s): Flow modeling and control,
Lowcomplexity modeling,
Parabolized stability equations,
Spatiallyevolving flows,
Transition to turbulence,
Turbulence modeling.
[bibtexentry]

A. Zare,
Y. Chen,
M. R. Jovanovic,
and T. T. Georgiou.
An alternating minimization algorithm for structured covariance completion problems.
In Proceedings of the 22nd International Symposium on Mathematical Theory of Network and Systems,
Minneapolis, MN,
pages 117119,
2016.
Keyword(s): Alternating minimization algorithm,
Convex optimization,
Disturbance dynamics,
Lowrank approximation,
Matrix completion problems,
Nuclear norm regularization,
Structured covariances.
[bibtexentry]

A. Zare,
M. R. Jovanovic,
and T. T. Georgiou.
Perturbation of system dynamics and the covariance completion problem.
In Proceedings of the 55th IEEE Conference on Decision and Control,
Las Vegas, NV,
pages 70367041,
2016.
Keyword(s): Convex optimization,
Lowrank perturbation,
Matrix completion problems,
Sparsitypromoting optimal control,
Structured covariances.
[bibtexentry]

A. Zare,
M. R. Jovanovic,
and T. T. Georgiou.
Alternating direction optimization algorithms for covariance completion problems.
In Proceedings of the 2015 American Control Conference,
Chicago, IL,
pages 515520,
2015.
Keyword(s): Alternating direction method of multipliers,
Alternating minimization algorithm,
Convex optimization,
Lowrank approximation,
Matrix completion problems,
Nuclear norm regularization,
Structured covariances.
[bibtexentry]

A. Zare,
M. R. Jovanovic,
and T. T. Georgiou.
Completion of partially known turbulent flow statistics.
In Proceedings of the 2014 American Control Conference,
Portland, OR,
pages 16801685,
2014.
Note: (Invited paper; Finalist, Best Student Paper Award).
Keyword(s): Alternating direction method of multipliers,
Convex optimization,
Flow modeling and control,
Lowrank approximation,
Matrix completion problems,
Nuclear norm regularization,
Structured covariances.
[bibtexentry]

A. Zare,
M. R. Jovanovic,
and T. T. Georgiou.
Completion of partially known turbulent flow statistics via convex optimization.
In Proceedings of the 2014 Summer Program,
Center for Turbulence Research, Stanford University/NASA,
pages 345354,
2014.
Keyword(s): Convex optimization,
Flow modeling and control,
Lowrank approximation,
Matrix completion problems,
Nuclear norm regularization,
Structured covariances.
[bibtexentry]

A. Zare,
B. K. Lieu,
and M. R. Jovanovic.
Turbulent drag reduction by streamwise traveling waves.
In Proceedings of the 51th IEEE Conference on Decision and Control,
Maui, HI,
pages 31223126,
2012.
Keyword(s): Drag reduction,
Control of turbulent flows,
Flow modeling and control,
Inputoutput analysis,
NavierStokes equations,
Parametric resonance,
Perturbation analysis,
Simulationfree design,
Streamwise traveling waves,
Spatiallyperiodic systems,
Vibrational control.
[bibtexentry]
Back to MJ's Publications
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Last modified: Sun Oct 23 23:45:07 2022
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