Abstract
This paper presents an observer backstepping controller as feasible solution to variable speed control of wind turbines to maximize wind power capture when operating between cut-in and rated wind speeds. The wind turbine is modeled as a two-mass drive-train system controlled by the generator torque. The nonlinear controller aims at regulating the generator torque such that an optimal tip-speed ratio can be obtained. Simply relying on the measured rotor angular velocity the proposed observer backstepping controller guarantees global asymptotic tracking of the desired trajectory while maintaining a globally uniformly ultimately bounded torsional angle. The proposed controller shows convincing performance when simulated in closed loop within a stochastic environment.
Original language | English |
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Title of host publication | Proceedings of the 2013 American Control Conference |
Number of pages | 8 |
Publisher | IEEE |
Publication date | 2013 |
Pages | 1036 - 1043 |
ISBN (Print) | 978-1-4799-0177-7 |
Publication status | Published - 2013 |
Event | 2013 American Control Conference - Washington, United States Duration: 17 Jun 2013 → 19 Jun 2013 http://a2c2.org/conferences/acc2013/ |
Conference
Conference | 2013 American Control Conference |
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Country/Territory | United States |
City | Washington |
Period | 17/06/2013 → 19/06/2013 |
Internet address |