Real time observer and control scheme for a wind turbine system based on a high order sliding modes |
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| Authors: | Oscar Barambones José A Cortajarena Isidro Calvo José M Gonzalez de Durana Patxi Alkorta Ali Karami-Mollaee |
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| Institution: | 1. University of the Basque Country, (UPV/EHU), Spain;2. Hakim Sabzevari University, Sabzevar, Iran;3. Faculty of Engineering of Vitoria-Gasteiz, Nieves cano, 12. 1006 Vitoria-Gasteiz, Spain;1. School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China;2. State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, 310027, China;1. School of Automation and Information Engineering, Xi’an University of Technology, China;2. Autonomous Systems and Intelligent Control International Joint Research Center, Xi’an Technological University, China;3. State Key Laboratory of Astronautic Dynamics, China;1. College of Information Engineering, Nanjing University of Finance & Economics, Nanjing 210023, PR China;2. School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200011, PR China;3. The Institute of Advanced Technology, Nanjing University of Posts and Telecommunications, Nanjing 210023, PR China;1. School of Information and Software Engineering, University of Electronic Science and Technology of China, China;2. School of Mathematical Science, University of Electronic Science and Technology of China, China;3. School of Information Science and Engineering, Chengdu University, China;1. School of Energy and Power Engineering, Beijing University of Aeronautics and Astronautics, Beijing, 100191, China;2. School of Electrical Engineering and Automation, Anhui University, Hefei, 230601, China;1. Department of Electrical Engineering, Ferdowsi University of Mashhad, Mashhad 91775-1111, Iran;2. Department of Electrical and Computer Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran |
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| Abstract: | The introduction of advanced control algorithms may improve considerably the efficiency of wind turbine systems. This work proposes a high order sliding mode (HOSM) control scheme based on the super twisting algorithm for regulating the wind turbine speed in order to obtain the maximum power from the wind. A robust aerodynamic torque observer, also based on the super twisting algorithm, is included in the control scheme in order to avoid the use of wind speed sensors. The presented robust control scheme ensures good performance under system uncertainties avoiding the chattering problem, which may appear in traditional sliding mode control schemes. The stability analysis of the proposed HOSM observer is provided by means of the Lyapunov stability theory. Experimental results show that the proposed control scheme, based on HOSM controller and observer, provides good performance and that this scheme is robust with respect to system uncertainties and external disturbances. |
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