Research on temperature compensation method of silicon resonant accelerometer based on integrated temperature measurement resonator

被引：0

作者：

Zhang Jing ^{[1
]}

Qiu Anping ^{[1
]}

Shi Qin ^{[1
]}

Bian You ^{[1
]}

Xia Guoming ^{[1
]}

机构：

[1] Nanjing Univ Sci & Tech, MEMS Inertial Technol Res Ctr, Nanjing 210094, Jiangsu, Peoples R China

来源：

PROCEEDINGS OF 2015 IEEE 12TH INTERNATIONAL CONFERENCE ON ELECTRONIC MEASUREMENT & INSTRUMENTS (ICEMI), VOL. 3 | 2015年

关键词：

silicon resonant accelerometer; temperature resonator; temperature compensation; hysteresis error;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

in order to improve the bias stabilities in different temperature for silicon resonant accelerometer (SRA), a temperature measurement method, which measure Temperature in package cavity, was proposed based on chip integrated temperature resonator. Firstly, the frequency-temperature characteristics of the resonators in SRA is analyzed. Afterwards, the heat transfer model for SRA based on chip integrated temperature resonator is established, and the temperature measurement error is analyzed. Then, the hysteresis errors of the two temperature measurement methods based on the external temperature sensor and integrated temperature resonator are contrasted. At last, the first-order linear temperature compensation model is established after several tests of accelerometer bias and the temperature related bias is compensated. Experiment results indicate that using integrated temperature measurement resonator, hysteresis error decreases from 200 Hz to 10 Hz and the bias instability from 283.3 ug to 28 ug after temperature compensation. The results exposed that integrated temperature measurement resonator can accurately reflect the cavity temperature of SRA and increase accuracy of temperature compensation.

引用

页码：1577 / 1581

页数：5

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