TY - GEN
T1 - Observer-Based LQR for Wind Energy Conversion Systems with Single Measurement
AU - Vu, Van Phong
AU - Do, Ton Duc
N1 - Funding Information:
*This research was supported by the targeted state program BR05236524 “Innovative Materials and Systems for Energy Conversion and Storage” from the Ministry of Education and Science of the Republic of Kazakhstan for 2018-2020.
Publisher Copyright:
© 2018 IEEE.
Copyright:
Copyright 2019 Elsevier B.V., All rights reserved.
PY - 2018/12/28
Y1 - 2018/12/28
N2 - The control system in wind energy conversion systems is used for tracking the optimal power via regulating the rotor speed of the generator. In this paper, we proposed a novel observer for estimating not only aerodynamic torque in wind energy conversion systems, but also d-axis and q-axis currents. Therefore, in the proposed control system, only the rotor speed of the generator is required to be measured. It should be noted that this is the first time, such a control system can do that for wind energy conversion systems. To form a complete control system, we use linear optimal control method for tracking the optimal trajectory of a generator. In this paper, the permanent magnet synchronous generator is used. In addition, on the basis of the Lyapunov theory and Sum-Of-Square technique, the conditions for observer synthesis are derived in the main theorem. The simulation results show that our control system with proposed robust observer can effectively track the speed reference in the conditions of unknown wind speed and stator currents.
AB - The control system in wind energy conversion systems is used for tracking the optimal power via regulating the rotor speed of the generator. In this paper, we proposed a novel observer for estimating not only aerodynamic torque in wind energy conversion systems, but also d-axis and q-axis currents. Therefore, in the proposed control system, only the rotor speed of the generator is required to be measured. It should be noted that this is the first time, such a control system can do that for wind energy conversion systems. To form a complete control system, we use linear optimal control method for tracking the optimal trajectory of a generator. In this paper, the permanent magnet synchronous generator is used. In addition, on the basis of the Lyapunov theory and Sum-Of-Square technique, the conditions for observer synthesis are derived in the main theorem. The simulation results show that our control system with proposed robust observer can effectively track the speed reference in the conditions of unknown wind speed and stator currents.
KW - Wind speed estimation
KW - linear quadratic regulator (LQR)
KW - observer
KW - wind energy conversion systems (WECSs)
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U2 - 10.1109/GTSD.2018.8595673
DO - 10.1109/GTSD.2018.8595673
M3 - Conference contribution
AN - SCOPUS:85061506743
T3 - Proceedings 2018 4th International Conference on Green Technology and Sustainable Development, GTSD 2018
SP - 77
EP - 81
BT - Proceedings 2018 4th International Conference on Green Technology and Sustainable Development, GTSD 2018
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 4th International Conference on Green Technology and Sustainable Development, GTSD 2018
Y2 - 23 November 2018 through 24 November 2018
ER -