Robust Tracking Control for a Permanent Magnet Synchronous Generator

David Cortes-Vega, Hussain Alazki, Juan Anzurez-Marin

Robust Tracking Control for a Permanent Magnet Synchronous Generator

Číslo: 1/2024
Periodikum: Advances in Electrical and Electronic Engineering
DOI: 10.15598/aeee.v22i1.5091

Klíčová slova: attractive ellipsoid method, robust control, BMI, PMSG, tracking

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Anotace: This paper presents a study of a robust control strategy based on the Attractive Ellipsoid Method (AEM) to achieve trajectory tracking for a Permanent Magnet Synchronous Generator (PMSG). For the PMSG system, trajectory tracking control is necessary such that the maximum power point tracking can be carried out, which depends on controlling time-varying references (the generator angular speed), mainly when the generator motion is originated from a variable and intermittent energy source such as the wind. The proposed controller is based on the selection of the best gain matrix by numerically employing the AEM with the bilinear matrix inequality technique application.The controller guarantees that the trajectory tracking error

reaches an ellipsoid of small enough size, which is determined in an optimized way, such that the
practical stability for the tracking error is ensured. The effectiveness of the proposed controller is verified via simulations for a PMSG coupled with a three-phase rectifier, where the variables to be controlled reach the desired time-varying references, additionally a comparison is made against a classical Proportional Integral (PI) control scheme and a state feedback LQR controller.