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Disturbance Attenuation Using Proportional-Integral-Observer for Wind Turbine Speed Regulation

[+] Author Affiliations
Jackson G. Njiri, Yan Liu, Dirk Söffker

University of Duisburg-Essen, Duisburg, Germany

Paper No. DSCC2014-6003, pp. V003T53A005; 6 pages
doi:10.1115/DSCC2014-6003
From:
  • ASME 2014 Dynamic Systems and Control Conference
  • Volume 3: Industrial Applications; Modeling for Oil and Gas, Control and Validation, Estimation, and Control of Automotive Systems; Multi-Agent and Networked Systems; Control System Design; Physical Human-Robot Interaction; Rehabilitation Robotics; Sensing and Actuation for Control; Biomedical Systems; Time Delay Systems and Stability; Unmanned Ground and Surface Robotics; Vehicle Motion Controls; Vibration Analysis and Isolation; Vibration and Control for Energy Harvesting; Wind Energy
  • San Antonio, Texas, USA, October 22–24, 2014
  • Conference Sponsors: Dynamic Systems and Control Division
  • ISBN: 978-0-7918-4620-9
  • Copyright © 2014 by ASME

abstract

In this paper high-gain Proportional-Integral-Observer (PI-Observer) is used to estimate system states and wind disturbances. To guarantee the robustness and the desired performance, a disturbance rejection scheme is employed to compensate these disturbances. The proposed method realizes speed/power regulation during high wind regime. Control performance of the proposed scheme is evaluated against a baseline collective pitch controller (CPC). The results show that the proposed method can maintain fairly constant power/rotor speed without inducing extra load on the rotor.

Copyright © 2014 by ASME

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