高转速发电标准装置的建立

International Symposium on Precision Engineering Measurement and Instrumentation Pub Date : 2019-03-07 DOI:10.1117/12.2517180

Qiao Sun, J. Bai, L. Du, Z. Fan, Hong-Bo Hu

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引用次数: 0

摘要

研究并建立了基于无刷直流无芯微电机和FPGA技术的高精度转速控制高转速标准装置，在40000 ~ 100000 r/min的测量范围内分辨率为1 r/min。该标准装置的扩展校准不确定度为1×10-5, k=3，介绍了该装置的结构及涉及的关键技术。说明了双闭环控制方案。给出了标定结果。该高转速标准装置是高精度光学转速表和转速测量仪表在40000 r/min以上测量范围内可行溯源的重要工作标准。

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Establishment of standard device for high rotational speed generation

The high rotational speed standard device based on brushless DC coreless micro motor and FPGA technology for highaccuracy rotational speed control was investigated and established, with resolution of 1 r/min in the measurement range of 40000 r/min to 100000 r/min. The expanded calibration uncertainty of this standard device is 1×10-5, k=3 The structure of the device and key technology involved were described．The dual closed-loop control solution was explained. The calibration results were provided．This high rotational speed standard device is used as an important working standard for the feasible traceability of high-precision optical tachometers and rotational speed measuring instruments at measurement range above 40000 r/min.

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International Symposium on Precision Engineering Measurement and Instrumentation

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