Sliding-Mode Control of Wave Power Generation Plants

Garrido, Aitor J.; Garrido, Izaskun; Amundarain, Modesto; Alberdi, Mikel; Sen, Manuel De la

doi:10.1109/tia.2012.2227096

Cited by 100 publications

(45 citation statements)

References 18 publications

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“…In turn, current is controlled indirectly through voltage, as these signals are dependent each other. There exist different control approaches for this purpose, being the most used traditional PID-based schemes, robust (sliding-mode) schemes and MPC schemes [11][12][13][14][15][16][17][18][19][20][21][22][23]. In particular, when dealing with fusion devices where the available energy is limited, MPC is especially interesting due to its ability to ensure that both the control action and the solution error are minimal [9].…”

Section: Controller Descriptionmentioning

confidence: 99%

State-space Coil Modelling in Plasma Magnetic Confinement Devices

Garrido

González

et al. 2017

MATEC Web Conf.

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Abstract. The need of robust and optimal control schemes is a key factor for the development of future fusion reactors. This paper has dealt with the state-space modelling of the Ultra-Low Iota Super Elongated Stellarator of the UPV/EHU, using a physical lumped parameter equivalent circuit approach. The model obtained has been validated by means of experimental output data showing an excellent matching with the real system. Besides, it has been designed a MPC scheme that has been successfully implemented both in simulation and experimentally using a real-time control platform.

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Section: Controller Descriptionmentioning

confidence: 99%

State-space Coil Modelling in Plasma Magnetic Confinement Devices

Garrido

González

et al. 2017

MATEC Web Conf.

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“…We present the i-MET and CAV controllers using stability analysis based on Lyapunov's theory [40][41][42][43]. We use the damping coefficient of the generator b g as a control input.…”

Section: Stability Analysismentioning

confidence: 99%

“…The second strategy attempts to maintain the rotational speed at a constant rate. These two methods are differentiated by the definition of the reference angular velocity and can be induced by the Lyapunov stability theory [40][41][42][43]. The aforementioned controllers can be implemented by a load control that is attached to the ideal DC generator.…”

Section: Introductionmentioning

confidence: 99%

Control Strategy of an Impulse Turbine for an Oscillating Water Column-Wave Energy Converter in Time-Domain Using Lyapunov Stability Method

Song

Park

2016

Applied Sciences

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We present two control strategies for an oscillating water column-wave energy converter (OWC-WEC) in the time domain. We consider a fixed OWC-WEC on the open sea with an impulse turbine module. This system mainly consists of a chamber, turbine and electric generator. For the time domain analysis, all of the conversion stages considering mutualities among them should be analyzed based on the Newtonian mechanics. According to the analysis of Newtonian mechanics, the hydrodynamics of wave energy absorption in the chamber and the turbine aerodynamic performance are directly coupled and share the internal air pressure term via the incompressible air assumption. The turbine aerodynamics and the dynamics of the electric generator are connected by torque load through the rotor shaft, which depends on an electric terminal load that acts as a control input. The proposed control strategies are an instant maximum turbine efficiency tracking control and a constant angular velocity of the turbine rotor control methods. Both are derived by Lyapunov stability analysis. Numerical simulations are carried out under irregular waves with various heights and periods in the time domain, and the results with the controllers are analyzed. We then compare these results with simulations carried out in the absence of the control strategy in order to prove the performance of the controllers.

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“…In [6], a HPGS combining wind, PV, FC, electrolyzer, and battery was proposed for the stand-alone applications while a power managementstrategywasdesignedforthesystemtocoordinatethe powerflowsamongthedifferentenergysources.Severalpower management strategies of the grid-connected HPGSs were proposed in [7]- [9].…”

Section: Introductionmentioning

confidence: 99%

Dynamic Stability Enhancement of Hybrid System Using Fuzzy Logic Controller

2017

IJAERD

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Sliding-Mode Control of Wave Power Generation Plants

Cited by 100 publications

References 18 publications

State-space Coil Modelling in Plasma Magnetic Confinement Devices

State-space Coil Modelling in Plasma Magnetic Confinement Devices

Control Strategy of an Impulse Turbine for an Oscillating Water Column-Wave Energy Converter in Time-Domain Using Lyapunov Stability Method

Dynamic Stability Enhancement of Hybrid System Using Fuzzy Logic Controller

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