应变式力传感器动态特性研究及动态补偿

doi:10.3969/j.issn.1000-1158.2012.01.08

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摘要通过测试传感器的固有频率和冲击响应,对不同结构的应变式力传感器的动态特性进行了研究。当力传感器动态特性不理想时,根据零极点配置法设计了动态补偿数字滤波器,对力传感器进行动态补偿,使之适用于动态测量。实验表明:柱式力传感器的动态特性优于S形力传感器。通过对S形传感器进行动态补偿,拓宽了力传感器的工作频带,提高了力传感器的动态性能,减小了动态误差。

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关键词 ：计量学, 应变式力传感器, 动态特性, 动态补偿, 动态力

Abstract：The dynamic characteristics of various strain gauge force transducers are researched according to the measurement of natural frequencies and impulse responses. When a force transducer’s dynamic characteristics are not good enough, a digital filter based on pole-zero placement is designed to improve their dynamic characteristics.Experimental results show that the dynamic characteristic of the cylindrical force transducer is better than that of S-shaped force transducer when measuring dynamic force, dynamic compensation can improve the S-shaped force transducer’s dynamic characteristics and reduce dynamic error.

Key words： Metrology Strain gauge force transducer Dynamic characteristic Dynamic compensation Dynamic force

PACS:

TB936

作者简介: 张伟（1981-）,男,四川夹江人,中国计量科学研究院助理研究员,硕士,主要从事力值计量研究。zhangwei@nim.ac.cn

引用本文:

张伟,张跃,张智敏,胡刚,孟峰. 应变式力传感器动态特性研究及动态补偿[J]. 计量学报, 2012, 33(1): 35-38.
ZHANG Wei,ZHANG Yue,ZHANG Zhi-min,HU Gang,MENG Feng. Dynamic Characteristics and Dynamic Compensation of Strain Gauge Force Transducer. Acta Metrologica Sinica, 2012, 33(1): 35-38.

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http://jlxb.china-csm.org:81/Jwk_jlxb/CN/10.3969/j.issn.1000-1158.2012.01.08 或 http://jlxb.china-csm.org:81/Jwk_jlxb/CN/Y2012/V33/I1/35