[1] Chen Wei, Li Xu, Zhang Weigong,. Gross errors identification and correctionof in-vehicle MEMS gyroscope based on time series analysis [J]. Journal of Southeast University (English Edition), 2013, 29 (2): 170-174. [doi:10.3969/j.issn.1003-7985.2013.02.011]

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Gross errors identification and correctionof in-vehicle MEMS gyroscope based on time series analysis()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

29

Issue:

2013 2

Page:

170-174

Research Field:

Traffic and Transportation Engineering

Publishing date:

2013-06-20

Info

Title:

Gross errors identification and correctionof in-vehicle MEMS gyroscope based on time series analysis

Author(s):

Chen Wei;  Li Xu;  Zhang Weigong

School of Instrument Science and Engineering, Southeast University, Nanjing 210096, China

Keywords:

microelectromechanical system(MEMS)gyroscope;  autoregressive integrated moving average(ARIMA)model;  time series analysis;  gross errors

PACS:

U467

DOI:

10.3969/j.issn.1003-7985.2013.02.011

Abstract:

This paper presents a novel approach to identify and correct the gross errors in the microelectromechanical system(MEMS)gyroscope used in ground vehicles by means of time series analysis. According to the characteristics of autocorrelation function(ACF)and partial autocorrelation function(PACF), an autoregressive integrated moving average(ARIMA)model is roughly constructed. The rough model is optimized by combining with Akaike’s information criterion(AIC), and the parameters are estimated based on the least squares algorithm.After validation testing, the model is utilized to forecast the next output on the basis of the previous measurement.When the difference between the measurement and its prediction exceeds the defined threshold, the measurement is identified as a gross error and remedied by its prediction. A case study on the yaw rate is performed to illustrate the developed algorithm. Experimental results demonstrate that the proposed approach can effectively distinguish gross errors and make some reasonable remedies.

References:

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Memo

Memo:

Biographies: Chen Wei(1985—), male, graduate; Li Xu(corresponding author), male, doctor, associate professor, lixu.mail@163.com.
Foundation items: The National Natural Science Foundation of China(No.61273236), the Natural Science Foundation of Jiangsu Province(No.BK2010239), the Ph.D. Programs Foundation of Ministry of Education of China(No.200802861061).
Citation: Chen Wei, Li Xu, Zhang Weigong. Gross errors identification and correction of in-vehicle MEMS gyroscope based on time series analysis[J].Journal of Southeast University(English Edition), 2013, 29(2):170-174.[doi:10.3969/j.issn.1003-7985.2013.02.011]

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