Adaptive H-infinity control of synchronous generators with steam valve via Hamiltonian function method

Li, Shujuan; Wang, Yuzhen

doi:10.1007/s11768-006-5059-6

Cited by 12 publications

(14 citation statements)

References 17 publications

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“…To find the second derivation of (15), we can obtain  is the most disturbance of system to make a performance cost 2 J be the largest value.…”

Section: Design Of Nonlinear Adaptive Controller With Large Disturbanmentioning

confidence: 99%

“…However, these controllers suffer some flaws. Robust adaptive controller and nonlinear stabilizing controller of steam valve and excitation system design method are presented based on Hamiltonian energy theory in [2,3], but it is difficult to solve the Hamilton-Jacobi-Issacs (HJI) inequality. In order to avoid solving the HJI inequality, Lu [1] designed the nonlinear L2 gain disturbance attenuation excitation controller based on recursive design method for the external disturbance attenuation problem.…”

Section: Introductionmentioning

confidence: 99%

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Nonlinear Steam Valve Adaptive Controller Design for the Power Systems

Jiang¹,

Chen²,

Liu³

et al. 2011

ICA

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Considering generator rotor and valve by external disturbances for turbine regulating system, the nonlinear large disturbance attenuation controller and parameter updating law of turbine speed governor system are designed using backstepping method. The controller not only considers transmission line parameter uncertainty, and has attenuated the influences of large external disturbances on system output. The nonlinear controller does not have the sensitivity to the influences of external disturbances, but also has strong robustness for system parameters variation, which is because of the transmission line uncertainty being considered in internal disturbances. The simulation results show that the control effect of the large disturbance attenuation controller more advantages by comparing with the control performance of conventional nonlinear robust controller.

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“…To find the second derivation of (15), we can obtain  is the most disturbance of system to make a performance cost 2 J be the largest value.…”

Section: Design Of Nonlinear Adaptive Controller With Large Disturbanmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Nonlinear Steam Valve Adaptive Controller Design for the Power Systems

Jiang¹,

Chen²,

Liu³

et al. 2011

ICA

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show abstract

“…Consider a dissipative Hamiltonian system involving disturbances and unknown parameters as follows [5,6] :…”

Section: Problem Formulationmentioning

confidence: 99%

“…We conclude this section by recalling from [5,6], the following definition, which will be used in the sequel.…”

Section: Problem Formulationmentioning

confidence: 99%

“…In comparison with the adaptive H∞ controller proposed in [5,6], controller u * is a more general control law because it involves a free parameter λ. The family of adaptive H∞ controllers (3) is just obtained by interconnecting the controller u * with the generalized ZEG detectable, free generalized Hamiltonian system (7).…”

Section: Design Of a Family Of Adaptive H H H ∞ ∞ ∞ Controllers With mentioning

confidence: 99%

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A family of adaptive H ∞ controllers with full information for dissipative hamiltonian systems

Hou

2011

Int. J. Autom. Comput.

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This paper investigates a parameterization method of adaptive H∞ controllers for dissipative Hamiltonian systems with disturbances and unknown parameters. The family of adaptive H∞ controllers with full information is obtained by interconnecting an adaptive H∞ controller with a generalized zero-energy-gradient (ZEG) detectable, free generalized Hamiltonian system. The present parameterization method avoids solving Hamilton-Jacobi-Issacs equations and thus the controllers obtained are easier in operation as compared to some existing ones. Simulations show the effectiveness and feasibility of the adaptive control strategy proposed in this paper.

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Immersion and invariance-based nonlinear dual-excitation and steam-valving control of synchronous generators

Kanchanaharuthai

2013

Int. Trans. Electr. Energ. Syst.

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Summary This paper focuses on designing the nonlinear dual‐excited and steam‐valving control of synchronous generators to enhance the system stability and voltage regulation of an electrical power system. Based on the concept of immersion and invariance technique, the resulting nonlinear controller is used to not only achieve power angle stability, frequency, and voltage regulation but also ensure that the closed‐loop system is transiently and asymptotically stable. In order to show the effectiveness of the proposed controller design, numerical simulation results are provided to illustrate the performance of the proposed controller capable of keeping the system transiently stable and simultaneously accomplishing the system stability and voltage regulation improvement in spite of large disturbances and network changes. Copyright © 2013 John Wiley & Sons, Ltd.

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Adaptive H-infinity control of synchronous generators with steam valve via Hamiltonian function method

Cited by 12 publications

References 17 publications

Nonlinear Steam Valve Adaptive Controller Design for the Power Systems

Nonlinear Steam Valve Adaptive Controller Design for the Power Systems

A family of adaptive H ∞ controllers with full information for dissipative hamiltonian systems

Immersion and invariance-based nonlinear dual-excitation and steam-valving control of synchronous generators

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