2020
DOI: 10.1016/j.conengprac.2020.104356
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An adaptive nonlinear observer for sensorless wind energy conversion system with PMSG

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Cited by 34 publications
(9 citation statements)
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“…Figures [17][18][19] show that the mechanical rotor speed Ω and the d-axis of the stator current i sd perfectly converge to their respective references. The tracking quality is quite satisfactory after each change in the wind speed.…”
Section: Illustration Of the Aerogenerator Subsystem Controllermentioning
confidence: 73%
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“…Figures [17][18][19] show that the mechanical rotor speed Ω and the d-axis of the stator current i sd perfectly converge to their respective references. The tracking quality is quite satisfactory after each change in the wind speed.…”
Section: Illustration Of the Aerogenerator Subsystem Controllermentioning
confidence: 73%
“…For larger plants, a three-phase grid is usually used. In [17][18][19][20][21][22][23][24][25], the chopper is directly connected to the output of the PV generator and is controlled to maximize the power extracted from the photovoltaic panel and adjust the input voltage direction between the terminals. The utility grid provides the inverter of the input energy.…”
Section: Introductionmentioning
confidence: 99%
“…and then In this section, Linear Quadratic Regular (LQR) controller is selected to control the system (12) in order to make the vector of state variables approach zero. It means that the tracking errors also converge towards zero.…”
Section: Linear Quadratic Optimal Control Designmentioning
confidence: 99%
“…The polynomial observer has been studied in paper [11] to aerodynamic torque, electromagnetic torque, and stator current in axis-d in which aerodynamic torque did not need to satisfy any constraint. Moreover, a nonlinear observer was designed for WECS to estimate the rotor speed, position and the turbine torque in paper [12] where the frequency of the grid was time-varying and unknown. The polynomial observer combining with fault tolerant control was studied for the WECS to eliminate the influence of faults as well as tracking the maximum power point of WECS [13].…”
Section: Introductionmentioning
confidence: 99%
“…NT-SMC is used to control the speed. The shaft speed and rotor position are estimated using the electromotive force counter (EMC) technique, eliminating the need for mechanical speed and position sensors [10,12,13].…”
Section: Introductionmentioning
confidence: 99%