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首页> 外文期刊>Mechanical systems and signal processing >Adaptive robust integral sliding mode pitch angle control of an electro-hydraulic servo pitch system for wind turbine
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Adaptive robust integral sliding mode pitch angle control of an electro-hydraulic servo pitch system for wind turbine

机译：用于风力涡轮机电液伺服音调系统的自适应鲁棒整体滑动模式俯仰角度控制

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摘要

A new electro-hydraulic servo pitch system is proposed to enhance pitch angle control performances and hence to smooth generator power fluctuations for wind turbines. The pitch system mainly consists of a variable-speed hydraulic pump, a hydraulic motor and a pitch gear set. The hydraulic pump is employed to directly regulate the direction and rotational speed of the hydraulic motor that achieves the final pitch angle control through the gear set. An adaptive robust integral sliding mode pitch angle controller and a projection type adaptation law are synthesized to accurately track the desired pitch angle trajectory and compensate for model uncertainties and uncertain disturbances. The proposed controller and the adaptation law have their achievable performances in practice. Comparative results verify that the proposed pitch angle controller, together with the adaptation scheme, gives improved performances for the accurate pitch angle tracking and generator power control regardless of various uncertainties and disturbances.
机译：提出了一种新的电动液压伺服俯仰系统，以增强俯仰角度控制性能，从而增强风力涡轮机的平稳发电机电力波动。俯仰系统主要由变速液压泵，液压马达和俯仰齿轮组组成。采用液压泵直接调节液压马达的方向和旋转速度，该液压马达通过齿轮组实现最终俯仰角度控制。合成自适应稳健的整体滑动模式俯仰角度控制器和投影型适配法，以精确地跟踪所需的俯仰角轨迹，并补偿模型不确定性和不确定的干扰。拟议的控制员和适应法在实践中具有可实现的表现。比较结果验证所提出的俯仰角度控制器与适配方案一起提供了用于精确俯仰角跟踪和发电机功率控制的改进的性能，而不管各种不确定性和干扰。

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  • 来源
    《Mechanical systems and signal processing》 |2019年第1期|105704.1-105704.15|共15页
  • 作者

    Xiuxing Yin; Wencan Zhang; Zhansi Jiang; Li Pan;

  • 作者单位

    School of Mechatronics Engineering Foshan University Foshan 528000 China School of Mechanical and Electrical Engineering Cuilin University of Electronic Technology 541004 Cuilin PR China School of Engineering University of Warwick Coventry CV4 7AL UK;

    School of Mechatronics Engineering Foshan University Foshan 528000 China;

    School of Mechanical and Electrical Engineering Cuilin University of Electronic Technology 541004 Cuilin PR China;

    Key Laboratory of E&M. Ministry of Education & Zhejiang Province Zhejiang University of Technology Zhejiang Hangzhou 310014 China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Wind turbine; Pitch system; Variable-speed hydraulic pump; Adaptive robust sliding mode control;

    机译：风力涡轮机;音高系统;变速液压泵;自适应鲁棒滑动模式控制;

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