超低频振动国家计量基准装置的研究与建立

doi:10.3969/j.issn.1000-1158.2011.02.01

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摘要根据超低频振动标准装置的研究现状和应用需求,研究和建立了国家振动幅值和相位基准装置,其频率为0.002 Hz~160Hz、振幅为峰峰1 m、承载30 kg、加速度波形失真度＜1%。介绍了装置的结构组成,描述了大行程水平振动台的设计方案、反馈控制技术、管线拖曳系统和激光测振系统,给出了装置的主要技术指标和比对实验数据。解决了我国超低频振动计量的溯源问题

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	于梅
	何闻
	刘爱东
	马明德
	杨丽峰
	左爱斌
	胡红波

关键词 ：计量学, 超低频振动基准, 零差正弦逼近法, 负反馈控制, 激光干涉仪, 同步跟踪控制

Abstract：According to the research status and application requirements for ultra-low frequency vibration standard at home and abroad,the national standard device for vibration magnitude and phasewas studied and established.The ultra-low frequency range is 0.002 Hz to 160 Hz.The maximum peak-to-peak value of amplitude is 1m.The maximum load is 30 kg.The distortion of acceleration waveform is less than 1%.The structure composition of the device and the key technologies solved are introduced.The design project of the long-stroke horizontal vibrator,the negative-feedback control technology,the pipeline dragging synchronous tracking control system and the laser vibration measuring system are described.The main technical specifications of the standard device and the results of comparison experiment are given.The establishment of the national standard device can solve the quantity traceability problem of the ultra-low frequency vibration metrology.

Key words： Metrology Ultra-low frequency vibration national standard Homodyne sine-approximation method Negative-feedback control system Laser interferometer;Synchronous tracking control

PACS:

TB936

基金资助:国家科技基础条件平台专项（APT(0611-0811)-3）;教育部新世纪优秀人才计划（NCET-08-0494）;浙江省钱江人才计划（2009R10026 ）

作者简介: 于梅（1956-）,女,贵州省贵阳人,中国计量科学研究院研究员。主要从事振动冲击测量技术研究。yum@nim.ac.cn

引用本文:

于梅,何闻,刘爱东,马明德,杨丽峰,左爱斌,胡红波. 超低频振动国家计量基准装置的研究与建立[J]. 计量学报, 2011, 32(2): 97-100.
YU Mei,HE Wen,LIU Ai-dong,MA Ming-de,YANG Li-feng,ZUO Ai-bin,HU Hong-bo. Study and Establishment of the National Standard ofthe Ultra-low frequency Vibration. Acta Metrologica Sinica, 2011, 32(2): 97-100.

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http://jlxb.china-csm.org:81/Jwk_jlxb/CN/10.3969/j.issn.1000-1158.2011.02.01 或 http://jlxb.china-csm.org:81/Jwk_jlxb/CN/Y2011/V32/I2/97