Results 241 to 250 of about 149,900 (310)

On the use of Hamiltonian and maximized Hamiltonian in nondifferentiable control theory

Journal of Optimization Theory and Applications, 1985
In optimal control problems involving nondifferentiable functions of the state variable, the adjoint differential inclusion can be formulated by either use of the Hamiltonian or the maximized Hamiltonian. In this paper, we solve a production-employment model in which the latter approach must be utilized, since the former does not enable one to ...
Feichtinger, G., Hartl, R.
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Hamiltonian structures in optimal control theory

Journal of Dynamical and Control Systems, 1995
This paper deals with a systematic exposition of the principal results of the theory of piecewise smooth Hamiltonian systems. The invariant formulation of the maximum principles provides an interpretation of the extremals of a controlled dynamical system as integral trajectories of a piecewise smooth Hamiltonian system.
Александр Валентинович Пухликов
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On Casimir functionals for field theories in Port-Hamiltonian description for control purposes

IEEE Conference on Decision and Control and European Control Conference, 2011
We consider infinite dimensional Port-Hamiltonian systems in an evolutionary formulation. Based on this system representation conditions for Casimir densities (functionals) will be derived where in this context the variational derivative plays an extraordinary role. Furthermore the coupling of finite and infinite dimensional systems will be analyzed in
Markus Schoberl, Andreas Siuka
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Decentralized Hamiltonian control of isolated AC microgrids: Theory & design

2015 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA), 2015
Microgrids technology is the cornerstone of smart grid, the electricity network of the future. Based on distributed generation, microgrids can contribute to increase the penetration rate of renewable energy resources and hence reduce costs and gas emissions.
Mohamed Toub, Ghassane Aniba, Mohamed Maaroufi, Rush D. Robinet   +3 more
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Hamiltonian theory based coordinated nonlinear control of generator excitation and STATCOMs

North American Power Symposium 2010, 2010
A coordinated controller for generator excitation and STATCOMs is studied based on the Hamiltonian function method. The Hamiltonian realization structure for multimachine power systems including STATCOMs is developed leading to a proposed coordinated scheme of excitation control and STAT-COM control.
null Keyou Wang, Mariesa L. Crow
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Stability Improvement of Cascaded Power Conversion Systems Based on Hamiltonian Energy Control Theory

IEEE Transactions on Industry Applications, 2021
It is well known that the interaction between cascaded individually designed power conversion systems can cause instability. To overcome this issue, a Hamiltonian energy control scheme is proposed, which is based on passivity control theory and port-controlled Hamiltonian framework.
Shengzhao Pang, Babak Nahid-Mobarakeh, Saeid Aghaei Hashjin, Serge Pierfederici, Jean-Philippe Martin, Yuntian Liu, Yigeng Huangfu, Guangzhao Luo, Fei Gao   +8 more
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Port-Hamiltonian Theory of Motion Control for Marine Craft

IFAC Proceedings Volumes, 2010
Abstract Port-Hamiltonian Systems (PHS) have a particular form that incorporates explicitly a function of the total energy in the system (energy function) and also other functions that describe structure of the system in terms of energy distribution. For PHS, the product of the input and output variables gives the rate of energy change.
Donaire, Alejandro, Perez, Tristan
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Nonlinear disturbance attenuation excitation control of structure preserving power systems based on hamiltonian theory

IEEE Power Engineering Society General Meeting, 2005, 2005
A novel nonlinear disturbance attenuation control scheme based on Hamiltonian theory for the solution of structure preserving multi-machine power systems is proposed in this paper. The dissipative Hamiltonian realization of structure preserving power system is completed using the singular perturbation approach in which the algebraic equations are ...
null Jin Hao, null Libao Shi, null Jie Wang, null Chen Chen   +3 more
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Modeling and Control of Multiphase Interleaved Fuel-Cell Boost Converter Based on Hamiltonian Control Theory for Transportation Applications

IEEE Transactions on Transportation Electrification, 2020
This article presents a multiphase interleaved boost converter supplied by a fuel-cell (FC)/reformer power source for highly dynamic transportation applications. A control theory based on the Hamiltonian function approach is considered. Using the port-controlled Hamiltonian system, we propose simple solutions to the dynamic performance and convergence ...
Pongsiri Mungporn, Phatiphat Thounthong, Burin Yodwong, Chainarin Ekkaravarodome, Anusak Bilsalam, Serge Pierfederici, Damien Guilbert, Babak Nahid-Mobarakeh, Nicu Bizon, Zahir Shah, Surin Khomfoi, Poom Kumam, Piyabut Burikham   +12 more
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Equivalent Differential Equations in Problems of Control Theory and the Theory of Hamiltonian Systems

Differential Equations
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Yumagulov, M. G., Ibragimova, L. S.
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