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    题名: MEMS Gyroscope Null Drift and Compensation Based on Neural Network
    作者: Shiau, Jaw-Kuen;Ma, Der-Ming;Huang, Chen-Xuan;Chang, Ming-Yu
    贡献者: 淡江大學航空太空工程學系
    关键词: Gyroscope Null Drift;Neural Network (NN);Temperature Compensation
    日期: 2011-05
    上传时间: 2013-03-20 16:29:17 (UTC+8)
    出版者: Stafa-Zurich: Trans Tech Publications Ltd.
    摘要: This study investigates the effects of temperature on micro-electro mechanical system (MEMS) gyroscope null drift and methods and efficiency of temperature compensation. First, this study uses in-house-designed inertial measurement units (IMUs) to perform temperature effect testing. The inertial measurement unit is placed into the temperature control chamber. Then, the temperature is gradually increased from 25 oC to 80 oC at approximately 0.8 degrees per minute. After that, the temperature is decreased to -40 oC and then returning to 25 oC. During these temperature variations, the temperature and static gyroscope output observes the gyroscope null drift phenomenon. The results clearly demonstrate the effects of temperature on gyroscope null voltage. A temperature calibration mechanism is established by using a neural network model. With the temperature calibration, the attitude computation problem due to gyro drifts can be improved significantly.
    關聯: Advanced Materials Research 255-260, pp.2077-2081
    DOI: 10.4028/www.scientific.net/AMR.255-260.2077
    显示于类别:[航空太空工程學系暨研究所] 期刊論文

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