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Feedforward Control for Wind Turbine Load Reduction with Pseudo-LIDAR Measurement

International Journal of Automation and computing 2018年第2期15卷 142-155页

作者： Jie Bao Hong Yue William E.Leithead Ji-Qiang Wang Department of Electronic and Electrical Engineering University of Strathclyde Jiangsu Province Key Laboratory of Aerospace Power System Nanjing University of Aeronautics and Astronautics

A gain-scheduled feedforward controller, based on pseudo-LIDAR （light detection and ranging） wind speed measurement, is designed to augment the baseline feedback controller for wind turbine＇s load reduction in above rated operation. The pseudo-LIDAR measurement data are generated from a commercial software- Bladed using a designed sampling strategy. The nonlinear wind turbine model has been simplified and linearised at a set of equilibrium operating points. The feedforward controller is firstly developed based on a linearised model at an above rated wind speed, and then expanded to the full above rated operational envelope by employing gain scheduling strategy. The combined feedforward and baseline feedback control is simulated on a 5MW industrial wind turbine model. Simulation studies demonstrate that the proposed control strategy can improve the rotor and tower load reduction performance for large wind turbines.

关键词： Wind turbine control light detection and ranging (LIDAR) measurement feedforward control load reduction gainscheduling disturbance rejection.

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Robust disturbance rejection.of the RTAC System

Robust Disturbance Rejection of the RTAC System

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第二十三届中国控制会议

作者： Jie Huang, Guoqiang Hu Department of Automation and Computer-Aided Engineering Chinese University of Hong Kong Shatin, NT, Hong Kong, China School of Automation Science and Engineering South China University of Technology Guangzhou, Guangdong Province, China

＜正＞ The problem of designing a feedback controller to achieve asymptotic disturbance rejection./ attenuation while maintaining good transient response in the RTAC system is known as a benchmark nonlinear control problem, which has been an intensive research subject since 1995. In this paper, we will further investigate the solvability of the robust disturbance rejection.problem of the RTAC system by the measurement output feedback control based on the robust output regulation method.

关键词： RTAC system robust control nonlinear control output regulation problem disturbance rejection.

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