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robust nonlinear control strategy to maximize energy capture in a variable speed wind turbine with an internal induction generator

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控制理论与应用（英文版） 2012年第2期10卷 184-194页

作者： Erhun IYASERE Mohammed H. SALAH Darren M. DAWSON John R. WAGNER Enver TATLICIOGLU Jacobsen a Textron CompanyCharlotteNCU.S.A. Department of Mechatronics Engineering Hashemite UniversityZarqaJordan Department of Electrical & Computer Engineering Clemson UniversityClemsonSCU.S.A. Department of Mechanical Engineering Clemson UniversityClemsonSCU.S.A. Department of Electrical & Electronics Engineering Izmir Institute of TechnologyIzmirTurkey

This paper proposes a control strategy to maximize the wind energy captured in a variable speed wind turbine, with an internal induction generator, at low to medium wind speeds. The proposed strategy controls the tipspeed ratio, via the rotor angular speed, to an optimum point at which the efficiency constant （or power coefficient） is maximum for a particular blade pitch angle and wind speed. This control method allows for aerodynan^c rotor power maximization without exact wind turbine model knowledge. Representative numerical results demonstrate that the wind turbine can be controlled to achieve near maximum energy capture.

关键词： robust nonlinear control Maximum energy capture Wind turbine

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Operator-based robust nonlinear control for a Crane System With Constraint Inputs

Operator-based Robust Nonlinear Control for a Crane System W...

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第三十届中国控制会议

作者： WEN Shengjun~(1,2),DENG Mingcong~1,WANG Dongyun~2 1.Graduate School of Engineering,Tokyo University of Agriculture and Technology,Japan 2.Department of Electronic and Information,Zhongyuan University of Technology,Zhengzhou 450007,P.R.China

＜正＞In this paper,operator-based robust nonlinear control design is proposed for a crane experimental system with constraint *** swing cable of the crane system is driven by a linear motor,where the driven force input of the linear motor is with *** angle of the swing cable is estimated by using SVM-based model such that there exist some uncertainties between estimated value and real *** a result,operator-based robust nonlinear control design is given for the crane system. Further,simulation result supports the proposal.

关键词： robust nonlinear control Right Coprime Factorization Crane Uncertainty Constraint Input

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Operator-Based robust nonlinear Free Vibration control of a Flexible Plate With Unknown Input nonlinearity

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IEEE/CAA Journal of Automatica Sinica 2020年第2期7卷 442-450页

作者： Guang Jin Mingcong Deng Graduate School of Engieering Tokyo University of Agriculture and Technology

In this paper,a robust nonlinear free vibration control design using an operator based robust right coprime factorization approach is considered for a flexible plate with unknown input *** considering the effect of unknown input nonlinearity from the piezoelectric actuator,operator based controllers are designed to guarantee the robust stability of the nonlinear free vibration control ***,for ensuring the desired tracking performance and reducing the effect of unknown input nonlinearity,operator based tracking compensator and estimation structure are given,***,both simulation and experimental results are shown to verify the effectiveness of the proposed control scheme.

关键词： Operator theory piezoelectric actuator robust nonlinear control robust right coprime factorization vibration control

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robust Global Asymptotic Stability of Uncertain Nonholonomic Systems with Strong nonlinear Drifts

Robust Global Asymptotic Stability of Uncertain Nonholonomic...

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第二十九届中国控制会议

作者： WU Yuqiang,ZHAO Yan Institute of Automation,Qufu Normal University,Qufu 273165,P.R.China

The robust stability is investigated for nonholonomic control systems in generalized chained form with strong nonlinear *** order to make the origin be a solution of the closed-loop system and prevent the finite time escape phenomenon from happening,anew robust nonlinear switching law is proposed sothat global asymptotic stability analysis can be dealt with for discontinuous closed-loop *** recursive integrator backstepping technique is applied to the design of the robust *** simulation example demonstrates the effectiveness and robust features of the proposed method.

关键词： Nonholonomic systems with uncertainties robust nonlinear control Integrator backstepping Switching control strategy Global asymptotic stability

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