基于同等精度测量的风力机转子转速检测

Xiao-dan Wang, Lei Pan, Zhengjun Wang, E. Jian-xin
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引用次数: 0

摘要

本文旨在提高风力机转子转速的测量精度,其转速范围从0转到1000转。提出了一种利用标准参考时钟信号和接近开关检测的同等精度测量方案。理论推导表明,与传统方法相比,该方法减小了误差,提高了系统的精度和不确定度,减小了系统的非线性特性。简要介绍了实现方法。实验结果表明,该策略提高了风力机转子转速的测量精度,间接改善了整个风力机系统的控制性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Wind turbine rotor-speed detection based on the equally accurate measurement
This paper aims at enhancing the measurement accuracy of the wind turbine rotor-speed which presents a wide range from 0 to 1000 Rpm. A novel equally accurate measurement scheme utilizing standard reference clock signal and proximity switch detection is proposed. The theory derivation argues the error is reduced comparing to the traditional way, meanwhile the performance of accuracy and uncertainty of the system has been improved and the nonlinear characteristics has been decreased. Implementation method is introduced briefly. The experimental results show that the measurement accuracy of wind turbine rotor-speed has been increased by using this strategy, which could improve the control performance of the whole wind turbine system indirectly.
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