Search Results - "Aksikas, I."

Optimal linear-quadratic control of coupled parabolic-hyperbolic PDEs by Aksikas, I., Moghadam, A. Alizadeh, Forbes, J. F.

“…This paper focuses on the optimal control design for a system of coupled parabolic-hypebolic partial differential equations by using the infinite-dimensional…”
Get full text

Optimal control of coupled parabolic-hyperbolic non-autonomous PDEs: infinite-dimensional state-space approach by Aksikas, I., Moghadam, A. Alizadeh, Forbes, J. F.

“…This paper deals with the design of an optimal state-feedback linear-quadratic (LQ) controller for a system of coupled parabolic-hypebolic non-autonomous…”
Get full text

Characteristics-based model predictive control of selective catalytic reduction in diesel-powered vehicles by Pakravesh, H., Aksikas, I., Votsmeier, M., Dubljevic, S., Hayes, R.E., Forbes, F.

“…•Description of the SCR chemical process and its distributed parameter model.•Use a combination of the method of characteristics and spectral factorization to…”
Get full text

Optimal LQ-Feedback Regulation of a Nonisothermal Plug Flow Reactor Model by Spectral Factorization by Aksikas, I., Winkin, J.J., Dochain, D.

“…The linear-quadratic (LQ) optimal temperature and reactant concentration regulation problem is studied for a partial differential equation model of a…”
Get full text

Optimal control of an advection-dominated catalytic fixed-bed reactor with catalyst deactivation by Aksikas, I., Mohammadi, L., Forbes, J.F., Belhamadia, Y., Dubljevic, S.

“…•Description of catalytic fixed-bed reactor by time-varying PDE model.•Dynamical properties of the linearized model are analyzed via the concept of evolution…”
Get full text

LQ-boundary control of a diffusion-convection-reaction system by Mohammadi, L., Aksikas, I., Dubljevic, S., Forbes, J.F.

“…In this work, the boundary control of a distributed parameter system modelled by linear parabolic partial differential equations (PDEs) with spatially varying…”
Get full text

LQ-feedback control of a reverse flow reactor by Fuxman, A.M., Aksikas, I., Forbes, J.F., Hayes, R.E.

“…In this paper, a linear-quadratic controller is formulated for a catalytic flow reversal reactor (CFRR) using an infinite-dimensional Hilbert space…”
Get full text

Adaptive temperature control of a reverse flow process by using reinforcement learning approach by Binid, A., Aksikas, I., Mabrok, M.A., Meskin, N.

“…This work focuses on the design of an optimal adaptive control system for temperature regulation in a catalytic flow reversal reactor (CFRR), utilizing a…”
Get full text

Model-based optimal boundary control of selective catalytic reduction in diesel-powered vehicles by Aksikas, A., Aksikas, I., Hayes, R.E., Forbes, J.F.

“…•The SCR dynamics and its mathematical representation have been described.•An approximation technique for the computation of the eigenvalues and eigenvectors…”
Get full text

LQ-control of a flow reversal reactor for the catalytic combustion of fugitive methane emissions by Fuxman, A, Aksikas, I, Forbes, J F, Hayes, R E, Hristo, S

“…This paper deals with linear-quadratic control problem for a catalytic flow reversal reactor using an infinite dimensional Hilbert space representation of the…”
Get full text

Linear quadratic regulator for time-varying hyperbolic distributed parameter systems by Aksikas, Ilyasse, Forbes, J. Fraser

“…This paper addresses the linear quadratic (LQ) problem for a class of time-varying hyperbolic partial differential equation (PDEs) systems. The control method…”
Get full text

Aspects of controllability and observability for time-varying PDE systems by Ng, J., Dubljevic, S., Aksikas, I.

“…There are many industrial and biological reaction-diffusion systems which exhibit time-varying features where certain parameters of the system change during…”
Get full text

Optimal control of a time-varying catalytic fixed bed reactor with catalyst deactivation by Mohammadi, L., Aksikas, I., Forbes, J.F.

“…The paper deals with the linear-quadratic control problem for a time-varying partial differential equation model of a catalytic fixed-bed reactor. The…”
Get full text

Optimal control of a class of linear nonautonomous parabolic PDE via two-parameter semigroup representation by Ng, J., Dubljevic, S., Aksikas, I.

“…This paper considers the two-parameter semigroup representation of a class of parabolic partial differential equation (PDE) with time and spatially dependent…”
Get full text

Multiscale optimal control of transport-reaction system with time varying spatial domain by Ng, J, Dubljevic, S, Aksikas, I

“…This paper deals with the multi-scale optimal control of transport-reaction systems with the underlying dynamics governed by the second order rigid body…”
Get full text

LQ-Optimal Control of a Class of First-Order Hyperbolic PDE's Systems by Aksikas, I., Winkin, J.J., Dochain, D.

“…The linear-quadratic (LQ) optimal control problem is studied for a class of first-order hyperbolic partial differential equation models by using a nonlinear…”
Get full text