Variable speed wind turbine control by discrete-time sliding mode approach |
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| Affiliation: | 1. Unit of Research LESIER, ENSIT, Tunis, Tunisia;2. Unit of Research LAAS, CNRS, Toulouse, France;1. Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, Alberta, Canada;1. School of Electrical Engineering, Chungbuk National University, 1 Chungdae-ro, Cheongju 28644, Republic of Korea;2. Department of Electrical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, Republic of Korea;3. Department of Electronic Engineering in Kyungpook National University, 80 Daehak-ro, Daegu 41566, Republic of Korea;1. Department of Biology, Miami University, Oxford, OH 45056, USA;2. Department of Physical, Chemical and Natural Systems. Faculty of Experimental Sciences, University Pablo de Olavide, E-41013, Sevilla, Spain;3. Environmental Research Center of the Atlantic (C.I.M.A.), Santa Cruz de Tenerife, Tenerife, 38107, Spain;4. Tenerife, Canary Islands, 38107, Spain;1. College of Electrical and Information Engineering, Southwest University for Nationalities of China, Chengdu, Sichuan 610041, China;2. School of Science, Hubei University for Nationalities, Hubei 445000, China |
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| Abstract: | The aim of this paper is to propose a new design variable speed wind turbine control by discrete-time sliding mode approach. This methodology is designed for linear saturated system. The saturation constraint is reported on inputs vector. To this end, the back stepping design procedure is followed to construct a suitable sliding manifold that guarantees the attainment of a stabilization control objective. It is well known that the mechanisms are investigated in term of the most proposed assumptions to deal with the damping, shaft stiffness and inertia effect of the gear. The objectives are to synthesize robust controllers that maximize the energy extracted from wind, while reducing mechanical loads and rotor speed tracking combined with an electromagnetic torque. Simulation results of the proposed scheme are presented. |
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| Keywords: | Discrete-time sliding mode control Saturation constraint Mechanical modeling Wind turbine |
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