Electronics Optics & Control, Volume. 20, Issue 7, 53(2013)

LowCost Attitude Estimation Based on Extended Kalman Filter for SatcomontheMove

YAN Linbo... JIA Weimin, YAO Minli and SHEN Xiaowei |Show fewer author(s)
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    A lowcost attitude estimation method using Extended Kalman Filter (EKF) was proposed for satcomonthemove (SOTM)which taking Quaternion as state variablesand the attitude information was estimated by fusing the angular output of gyrosthe acceleration output of accelerometers and the position and velocity output of twoantenna GPS.The GPSmeasured velocity was used to compensate for the maneuvering accelerationand the sideslip angle was used to further correct the maneuvering acceleration when the vehicle was turning.Experiment results show that the proposed method can combine together the good shortterm accuracy of gyrosthe good longterm stability of accelerometersand the precise position and velocity of GPSwhich is feasible for attitude stabilization of SOTM with the dynamic estimation error controlled within ±0.5°.

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    YAN Linbo, JIA Weimin, YAO Minli, SHEN Xiaowei. LowCost Attitude Estimation Based on Extended Kalman Filter for SatcomontheMove[J]. Electronics Optics & Control, 2013, 20(7): 53

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    Paper Information

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    Received: Jul. 27, 2012

    Accepted: --

    Published Online: Jul. 9, 2013

    The Author Email:

    DOI:10.3969/j.issn.1671-637x.2013.07.013

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