Kamarudin, Muhammad Nizam and Husain, Abdul Rashid and Ahmad, Mohamad Noh (2014) Variable speed wind turbine with external stiffness and rotor deviation observer. Applied Mechanics and Materials, 661 . pp. 154-159. ISSN 1660-9336
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Official URL: http://dx.doi.org/10.4028/www.scientific.net/AMM.6...
Abstract
Often in prominent literature, the appearance of external stiffness in wind turbine dynamical model has been neglected. The ignorance of external stiffness eliminates the presence of rotor-side angular deviation in the system dynamic. In order to give more practical look of the variable speed control system structure, we develop a linear observer to estimate the rotor angular deviation. We use Linear Quadratic Regulator (LQR) to design the observer gain, as well as the estimation error gain. To facilitate observer design, the system is linearized around its origin by using Jacobian matrix. By using the estimated rotor angular deviation, we design a variable speed control via Lyapunov and Arstein to enhance power output from the turbine.
Item Type: | Article |
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Uncontrolled Keywords: | linearization, wind turbine |
Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
Divisions: | Electrical Engineering |
ID Code: | 63209 |
Deposited By: | Siti Nor Hashidah Zakaria |
Deposited On: | 18 Jun 2017 06:47 |
Last Modified: | 18 Jun 2017 06:47 |
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