基于伺服驱动的离心式动态力校准装置

doi:10.3969/j.issn.1000-1158.2019.05.22

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摘要为提高准静态环境使用的力传感器校准精度,研制了基于伺服驱动的离心式动态力校准装置。该装置利用直驱伺服电机驱动和控制质量块做离心运动,通过去轴承设计的动力传动机构输出量值可控的动态力;建立了动力学模型并得到了实验验证;进行了测量重复性和动态响应性能实验研究。实验结果表明,校准装置在中高转速下测量重复性优于1%,能在0.242s内加速到额定转速500r/min,且输出力值可达到3.8kN。

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	蔡永洪
	孙晓辉

关键词 ：计量学, 力传感器, 动态力, 校准装置, 离心力

Abstract：To improve the calibration accuracy of force sensors used in quasi-static environment, a centrifugal dynamic force calibration device based on servo drive was developed. The device had a direct drive servo motor to drive and control the mass block for centrifugal motion, and outputted controllable dynamic force through bearingless transmission mechanism. The dynamic model was established and validated by experiments, and the measurement repeatability and dynamic response performance were experimentally studied. The experimental results showed that the repeatability of the calibration device was better than 1% at medium and high rotational speeds, and the calibration device could accelerate to the rated speed 500 r/min and output 3.8 kN force in 0.242 s.

Key words： metrology force sensor dynamic force calibration device centrifugal force

收稿日期: 2018-05-22 发布日期: 2019-09-01

PACS:

TB931

基金资助:国家质量技术监督总局科技计划项目(2016QK031)

通讯作者: 孙晓辉(1977-), 女, 河北唐山人, 广州工程技术职业学院高级技师, 主要从事机械设计与理论、机电一体化技术和高职教研教改方面的研究。Email: 32227026@qq.com E-mail: polycai@163.com

作者简介: 蔡永洪(1978-), 男, 江西大余人, 广州计量检测技术研究院高级工程师, 主要从事机械量计量检测技术方面的研究。本文通讯作者。Email: polycai@163.com

引用本文:

蔡永洪,孙晓辉. 基于伺服驱动的离心式动态力校准装置[J]. 计量学报, 2019, 40(5): 875-879.
CAI Yong-hong,SUN Xiao-hui. Centrifugal Dynamic Force Calibration Device Based on Servo Drive. Acta Metrologica Sinica, 2019, 40(5): 875-879.

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http://jlxb.china-csm.org:81/Jwk_jlxb/CN/10.3969/j.issn.1000-1158.2019.05.22 或 http://jlxb.china-csm.org:81/Jwk_jlxb/CN/Y2019/V40/I5/875

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