| 一种双端固定音叉式高精度电子天平设计 |
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| 引用本文： | 林志雄,江永增,黄剑航,徐明铭.一种双端固定音叉式高精度电子天平设计[J].贵州大学学报(自然科学版),2014(1):52-56. |
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| 作者姓名： | 林志雄 江永增 黄剑航 徐明铭 |
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| 作者单位： | [1] 莆田学院机电工程学院,福建莆田351100 [2]莆田市上得利电子仪器有限公司,福建莆田351100 |
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| 基金项目： | 福建省工业科技汁划重点项目资助（2012H0033）;莆田市科技计划项目资助（2012C03） |
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| 摘 要： | 提出一种基于恒弹性合金双端固定谐振音叉式传感器的高精度电子天平软硬件解决方案。设计硬件电路实现对传感器的工作驱动与频率采集,讨论高精度电子天平软件设计的一般流程,针对不同场景下精度测量与抗干扰需要进行相应的滤波处理,并进行了电子天平的实现与测试,测试结果表明该天平有效测量精度可达10万分度以上。
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| 关 键 词： | 双端固定音叉 电子天平 高精度测量 数字滤波 抗干扰 |
Design of a Kind of High Precision Electronic Balance Based on DEFT |
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| LIN Zhi-xiong,JIANG Yong-zeng,HUANG Jlan-hang,XU Ming-ming.Design of a Kind of High Precision Electronic Balance Based on DEFT[J].Journal of Guizhou University(Natural Science),2014(1):52-56. |
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| Authors: | LIN Zhi-xiong JIANG Yong-zeng HUANG Jlan-hang XU Ming-ming |
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| Institution: | 1. School of Mechanical and Engineering, Putian University, Putian 351100, China; 2. SHANGDELI Eleclrordc Instrument Co., LTD. ,Putian 351100, China) |
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| Abstract: | A software and hardware solution for a kind of high precision electronic balance based on Double-En ded Tuning Fork （DETF） which is made of constant elastic alloy was proposed. Hardware circuits were designed for the driving of the sensor and frequency data collection. General process of high precision electronic balance software design was discussed and corresponding filtering algorithms were implemented for precision measurement and anti-inference in different scenes. The realization and testing results of electronic balance show that the effec tive measuring accuracy could reach 1/100000. |
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| Keywords: | DETF electronic balance high precision measurement digital filtering anti-inference |
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