Nonlinear Feedback Control for a Complete Wind Energy Conversion System

Lahlou, Zineb; Berrada, Youssef; Boumhidi, Ismail

doi:10.15866/ireaco.v12i3.16656

Cited by 3 publications

(3 citation statements)

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“…The analysis of the electrical part of the modern WT goes back to analyzing the DFIG. The WT's DFIG is described by its stator which is linked to the network, and its rotor is coupled to the network through a power converter [25]. Figure 1(a) shows the overall WT design including the connection of the aeroturbine and the DFIG.…”

Section: Electrical Part Modelmentioning

confidence: 99%

Novel control strategy for the global model of wind turbine

El Fadili,

Berrada,

Boumhidi

2024

IJECE

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This paper presents a new nonlinear control for the overall model of a three-blade horizontal axis variable speed wind turbine (VSWT) including mechanical and electrical parts, with the aim of improving its performance and making it more profitable. The proposed control is an extension of the classical sliding mode control (SMC) by converting its sliding surface into a sliding sector. The classical SMC approach is widely used for nonlinear systems due to its stability against parameter variation, it is robustness against modeling uncertainties, its good results against external disturbances, and its ease of implementation in real time. Unfortunately, the SMC has a major drawback related to the chattering phenomenon. This phenomenon is due to the utility of a higher switching gain in the case of large uncertainties, it causes high-frequency oscillations once the sliding regime is reached, and it can cause a loss of accuracy by influencing the input control variables. This is the reason that aims to develop a new control law to eliminate the chattering and to guarantee stability, which is demonstrated by the Lyapunov theory. The effectiveness of the developed control is compared with the SMC and is illustrated by numerical simulations using MATLAB toolboxes.

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Section: Electrical Part Modelmentioning

confidence: 99%

Novel control strategy for the global model of wind turbine

El Fadili,

Berrada,

Boumhidi

2024

IJECE

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“…A systematic analysis and calculation of the dynamic behavior of the mechanical subsystem of the VSWT is represented by the following matrix in state space in Eq.1. This matrix provides insight into the response of the mechanical two-mass model of the VSWT under different operating conditions and control inputs [10,11]. The input and the output of the wind power are respectively generator torque and the rotor speed.…”

Section: Wind Power System Modelmentioning

confidence: 99%

Optimal Controller Design for Wind Turbine using Sliding Sector and Genetic Algorithms

El Fadili,

Berrada,

Boumhidi

2023

E3S Web of Conf.

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This present work presents a major contribution to the field of wind turbine control which is the more challenging context that this paper is focused. This manuscript gives a novel design of a high-performance controller using the sliding sector law optimized by genetic algorithms. This developed design gives an improvement in the robustness of wind energy systems compared to the traditional law known as sliding mode control (SMC). The proposed design is based on the idea of extending the SMC by transforming the sliding surface into a sliding sector. Genetic algorithms are used to optimize the switching gain in its control structure in real-time. The benefits of this design under fast and random wind speed variations are utility for non-linear systems, achieving maximum power tracking, ensuring robust stability, eliminating the chattering problem, and faster response time. The strengths of this design are proved by simulation results of the main parameters of the two-mass model of wind turbines using Matlab software.

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“…There are many methods developed in the literature use the Robust control to command these systems. The following can be cited as examples the H-infinite control methods [7], [8], the predictive control [9], the fuzzy logic control methods [10]- [16], non-linear control by static or dynamic state feedback [11]- [13], the variable structure control methods [14], [15]. However, the majority of these methods require a lot of calculations and are not really adapted to the WECS-based DFIG control.…”

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confidence: 99%

Hybrid nonlinear control strategies for performance enhancement of a doubly-fed induction aero-generator: design and DSP implementation

Rached

Elharoussi

Abdelmounim

2021

IJPEDS

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This paper reports on the design and implementation in DSP as hardware in the loop of a nonlinear control strategy for a grid-connected variable speed wind turbine using a doubly fed induction generator (DFIG). The objective of this work is to build a real-time nonlinear hybrid approach combining Backstepping control and sliding mode control strategies for DFIG used in wind energy conversion systems (WECS). The results of the DSP implementation are discussed and qualitative and quantitative performance evaluations are performed under various disturbed conditions. The implementation is performed using the TMS320F28335 DSP combined with the MATLAB/Simulink (2016a) environment. The experimental results have been satisfactorily achieved, which implies that the proposed strategy is an efficient and robust approach to monitor the WECS.

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Nonlinear Feedback Control for a Complete Wind Energy Conversion System

Cited by 3 publications

References 0 publications

Novel control strategy for the global model of wind turbine

Novel control strategy for the global model of wind turbine

Optimal Controller Design for Wind Turbine using Sliding Sector and Genetic Algorithms

Hybrid nonlinear control strategies for performance enhancement of a doubly-fed induction aero-generator: design and DSP implementation

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