Guaranteed Performance Control of Variable-Speed Wind Energy Conversion Systems
Mr. Wenchao Meng, Zhejiang University
Dr. Yinliang Xu, SYSU-CMU Joint Institute of Engineering
10:00 am-11:00 am, January 23 (Friday), 2015
N 208, SYSU-CMU Shunde International Joint Research Institute, No.9 East Nanguo Road, Shunde
The talk emphasizes power capture control of variable-speed wind energy conversion systems. The control objective is to optimize the capture of wind energy by tracking the desired power output. Arbitrary steady-state performance is achieved in the sense that the tracking error is guaranteed to converge to any predefined small set. In addition, to maximize the wind energy capture, transient performance is enhanced such that the convergence rate can be larger than an arbitrary value, which further limits the maximum overshoot. First, an adaptive controller is designed for the case where known aerodynamic torque is assumed. Then, by utilizing an online approximator to estimate the uncertain aerodynamics, the need for the exact knowledge of the aerodynamic torque is waived to imitate the practical experience. Finally, the feasibility of the proposed controllers is demonstrated on an 1.5-MW three-blade wind turbine using the FAST code
Bio of the Presenter
Wenchao Meng received the B.S. degree in electrical and information engineering from the Henan Polytechnic University of China, Jiaozuo, China, in 2008, and the M.S. degree in control science from the Zhejiang University of Technology, Hangzhou, China, in 2011. He is currently pursuing the Ph.D. degree in control science and engineering with Zhejiang University, Hangzhou. He is a member of the Networked Sensing and Control Group, State Key Laboratory of Industrial Control Technology, Zhejiang University. His current research interests include intelligent control, renewable energy systems, and smart grids, and he has published 5 journal papers with 4 on Automatica, and IEEE Transactions.