硅微谐振式加速度计温度补偿方法研究综述
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TH824

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国家重点研发计划(2021YFB3201604)、国家自然科学基金(62101263)、江苏省自然科学基金(BK20190417)、中央高校基本科研业务费专项资金(30920021110)项目资助


Review of temperature compensation methods for silicon micro-resonant accelerometers
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    摘要:

    硅微谐振式加速度计具有体积小、成本低、动态范围宽、高精度准数字频率信号输出等优势,但零偏、标度因数等关键性 能指标受到了温度等因素的制约,尚不能满足高精度导航制导的高性能要求。 因此,本文在简要介绍硅微谐振式加速度计温度 特性及温度误差来源的基础上,综述了近年来国内外学者针对硅微谐振式加速度计进行的温度补偿方面的研究,包括无源温度 补偿技术、有源温度补偿技术;介绍了无源温度补偿技术与有源温度补偿技术常用的方法和最新的研究成果;分析总结了各种 方法的优缺点,提出探索更加精确的测温手段、热隔离效果更好的隔离装置以设计一种低功耗、预热时间短、控制稳定性强的微 烘箱系统进行器件层的加热控温,以及寻求无源补偿技术与有源补偿技术相结合的更多可能性以获得温度补偿最优组合是后 续温度补偿工作的重点研究方向。

    Abstract:

    Silicon micro-resonant accelerometers have advantages of small size, low cost, wide dynamic range, and high-precision quasidigital frequency signal output. But, the key performance indicators, such as zero bias and scale factor, are constrained by temperature and other factors, which cannot meet the high-performance requirements of high-precision navigation guidance. Therefore, on the basis of briefly introducing the temperature characteristics and temperature error sources of silicon micro-resonant accelerometers, this article reviews researches on temperature compensation of silicon micro-resonant accelerometers in recent years, including passive temperature compensation technology and active temperature compensation technology. The common methods and the latest research of passive temperature compensation technology and active temperature compensation technology are introduced. The advantages and disadvantages of various methods are analyzed and summarized. It is proposed to explore more accurate temperature measurement methods and isolation devices with better thermal isolation effect to design a micro-oven system with low power consumption, short preheating time and strong control stability for heating and temperature control at the device layer, and to seek more possibilities of combining passive compensation technology and active compensation technology to obtain the optimal combination of temperature compensation is the key research direction of subsequent temperature compensation work.

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蒋金玲,张 晶,朱欣华,苏 岩,周 同.硅微谐振式加速度计温度补偿方法研究综述[J].仪器仪表学报,2023,44(1):1-15

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  • 在线发布日期: 2023-07-04
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