Results 21 to 30 of about 1,463,226 (220)
L2 Disturbance Suppression Controller Design for Multiple Time Delays Offshore Wind Turbines
IEEE Access, 2020 With the large-scale development of offshore wind power and the rapid development of smart grid, more and more attention has been paid to the stable operation of wind turbines under various conditions.
Zhen Tang +4 more
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Hamiltonian Truncation Effective Theory [PDF]
SciPost Phys. 13, 011 (2022), 2021 Hamiltonian truncation is a non-perturbative numerical method for calculating observables of a quantum field theory. The starting point for this method is to truncate the interacting Hamiltonian to a finite-dimensional space of states spanned by the eigenvectors of the free Hamiltonian $H_0$ with eigenvalues below some energy cutoff $E_\text{max}$.
arxiv +1 more source
Reports in Advances of Physical Sciences, 2023 Floquet–Magnus and Fer expansion (FE) schemes are used in nuclear magnetic resonance (NMR) for the calculation of effective Hamiltonians and propagators.
Eugene Stephane Mananga
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Reduction of lower semicontinuous solutions of Hamilton-Jacobi-Bellman equations [PDF]
, 2021 This article is devoted to the study of lower semicontinuous solutions of Hamilton-Jacobi equations with convex Hamiltonians in a gradient variable. Such Hamiltonians appear in the optimal control theory. We present a necessary and sufficient condition for a reduction of a Hamiltonian satisfying optimality conditions to the case when the Hamiltonian is
arxiv +1 more source
Port-Hamiltonian Modeling for Control
Annu. Rev. Control. Robotics Auton. Syst., 2020 This article provides a concise summary of the basic ideas and concepts in port-Hamiltonian systems theory and its use in analysis and control of complex multiphysics systems.
A. Schaft
semanticscholar +1 more source
Nonperturbative Analytical Diagonalization of Hamiltonians with Application to Circuit QED
PRX Quantum, 2022 Deriving effective Hamiltonian models plays an essential role in quantum theory, with particular emphasis in recent years on control and engineering problems.
Boxi Li, Tommaso Calarco, Felix Motzoi
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Quantum optimal control theory for solvated systems. [PDF]
Journal of Chemical Physics, 2019 In this work, we generalize the quantum optimal control theory (QOCT) of molecules subject to ultrashort laser pulses to the case of solvated systems, explicitly including the solvent dielectric properties in the system's quantum Hamiltonian.
Marta Rosa, G. Gil, S. Corni, R. Cammi
semanticscholar +1 more source
A Total Energy Attitude Control System Strategy for Rigid Spacecraft
IEEE Access, 2019 This paper aims to design a controller based on the Total Energy Control System (TECS) method, to solve the attitude trajectory tracking problem for rigid spacecraft.
Rolando Cortes-Martinez +1 more
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Engineering effective Hamiltonians
New Journal of Physics, 2019 In the field of quantum control, effective Hamiltonian engineering is a powerful tool that utilizes perturbation theory to mitigate or enhance the effect that a variation in the Hamiltonian has on the evolution of the system.
Holger Haas +3 more
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Stokes-Dirac structures for distributed parameter port-Hamiltonian systems: An analytical viewpoint [PDF]
Communications in Analysis and Mechanics, 2023 In this paper, we prove that a large class of linear evolution partial differential equations defines a Stokes-Dirac structure over Hilbert spaces. To do so, the theory of boundary control system is employed.
A. Brugnoli, Ghislain Haine, D. Matignon
semanticscholar +1 more source