Adaptive Integral Sliding Mode Design for the Pitch Control of a Variable Speed Wind Turbine

Ameli, Sina; Morshed, Mohammad Javad; Fekih, Afef

doi:10.1109/ccta.2019.8920626

Cited by 3 publications

(5 citation statements)

References 21 publications

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“…Tables 3 and 4 show the parameters of the proposed AN-FTSMC and ARC, respectively. The proposed ANFTSMC method is evaluated below the rated tidal current speed and the results are compared with fuzzy adaptative backstepping control (FABC) , active disturbance rejection control (ADRC) [1], integral sliding mode control (ISMC) [56], and non-singular fast terminal sliding mode control (NFTSMC) [22]. Then, a comparison of variable pitch control methods, including gain scheduling proportional integral derivative (GSPID) [57], ISMC, and pseudo-tip-speed ratio and adaptive genetic algorithm (PTSRAGA) [58], are considered.…”

Section: Simulation Results and Analysismentioning

confidence: 99%

Fault-Tolerant Control of Tidal Stream Turbines: Non-Singular Fast Terminal Sliding Mode and Adaptive Robust Method

Wang,

Wang

2024

JMSE

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This paper addresses the issues of maximum power point tracking (MPPT) and fault-tolerant control in tidal steam turbines under complex marine environments. In order to solve the conflicting problems in the existing sliding mode control between dynamic performance and chatter reduction as well as the use of fault estimation link in the fault-tolerant control, which increases the system complexity, an adaptive non-singular fast terminal sliding mode and adaptive robust fault tolerance method (ANFTSMC-ARC) is proposed. First, a speed controller equipped with adaptive non-singular fast terminal sliding mode control (ANFTSMC) is designed to improve the power capture efficiency under swell disturbances. This design achieves fast convergence and circumvents the singularity problem. Then, a new reach law is proposed based on the adaptive hybrid exponential reaching law (AHERL), which ensures high tracking performance while reducing chattering. In addition, considering that the hydraulic pitch system is prone to failure, a fault-tolerant controller with automatically adjustable gain is designed under the adaptive robust scheme. With the help of Lyapunov theory, the closed-loop system is proved to be uniform and ultimately bounded. Finally, comparative simulation results verify the efficiency of the proposed control strategy.

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Section: Simulation Results and Analysismentioning

confidence: 99%

Fault-Tolerant Control of Tidal Stream Turbines: Non-Singular Fast Terminal Sliding Mode and Adaptive Robust Method

Wang,

Wang

2024

JMSE

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“…The proposed approach is implemented on a 5-MW-3-bladed-variable-pitch WT using the Fatigue, Aerodynamics, Structures, and Turbulence (FAST) simulator. The results are compared with an adaptive integral SMC 24 and a well-tuned PI-gain-scheduling controller developed by U.S. National Renewable Energy Laboratory (NREL). 58 Two scenarios have been used to testify the controller.…”

Section: Simulation Studymentioning

confidence: 99%

“…Reformulating the rotor dynamics to incorporate a more realistic nonlinear phenomenological model of the control effectiveness. This exposes the dependence on a vector of pitch angles and contrary to existing approaches, 15,24,45,46 which only rely on the linearized effectiveness with respect to the pitch angle. 2.…”

Section: Introductionmentioning

confidence: 97%

“…An adaptive SMC is developed in Reference 23; however, the results show considerable chattering which could be harmful for the actuators. An adaptive integral SMC is developed in Reference 24. While satisfactory performance is achieved, the results show that the closed-loop system suffers from peaking phenomena.…”

Section: Introductionmentioning

confidence: 99%

“…power curve versus wind speed for the operation of a typical WT24 F I G U R E 3 Overall schematic diagram of a WT control system24 …”

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confidence: 99%

See 2 more Smart Citations

Hierarchical robust control for variable‐pitch wind turbine with actuator faults

Ameli

Anubi

2022

Intl J Robust & Nonlinear

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In this brief, we develop a fault tolerant control (FTC) using a hierarchical-robust methodology with guaranteed stability for a wind turbine (WT), which is subject to an exogenous input and an actuator fault. The high-level control is designed to robustly compensate for the nonlinearities, uncertainty, and disturbance in the system. The low-level control is designed to robustly automatically allocate control authority among redundant actuators mitigating an actuator fault. At the low-level, the robust control problem is transformed into an equivalent optimal control problem. Finally, the developed FTC is validated using a comprehensive simulation study on a 5 MW variable-pitch WT model given in the Fatigue, Aerodynamics, Structures, and Turbulence (FAST) simulator provided by the U.S. National Renewable Energy Laboratory (NREL). The results show that the developed FTC retains robust performance in the presence of wind disturbance and a time-varying actuator fault.

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Robust Control for a Class of Nonlinearly Coupled Hierarchical Systems with Actuator Faults

Ameli

Anubi

2021

IFAC-PapersOnLine

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Adaptive Integral Sliding Mode Design for the Pitch Control of a Variable Speed Wind Turbine

Cited by 3 publications

References 21 publications

Fault-Tolerant Control of Tidal Stream Turbines: Non-Singular Fast Terminal Sliding Mode and Adaptive Robust Method

Fault-Tolerant Control of Tidal Stream Turbines: Non-Singular Fast Terminal Sliding Mode and Adaptive Robust Method

Hierarchical robust control for variable‐pitch wind turbine with actuator faults

Robust Control for a Class of Nonlinearly Coupled Hierarchical Systems with Actuator Faults

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