Abstract The Hypersonic Cruise Vehicles (HCVs) have an extremely high requirement for the navigation system to be high-reliable, high-autonomic and high-accurate. This paper proposed a method to calibrate the deterministic errors of the Inertial Measurement Unit (IMU) of the Inertial Navigation System (INS) dynamically. Including the installation errors and the scale factor errors of the IMU, an augmented error model of the IMU and the navigation parameter error propagation equations of INS are discussed first. Then a method based on the Kalman Filter is designed to calibrate deterministic errors of the IMU during the HCVʼs high dynamic flight process. The proposed method can accurately and dynamically calibrate the deterministic errors of the IMU. The calibration results are used to correct the IMU deterministic errors and the INS parameter errors dynamically. Simulation is made to verify the performance of the calibration method proposed by this paper. The simulation results show that the dynamic calibration method can effectively estimate the installation errors and the scale factor errors of the IMU; the precision of the INS is improved after the compensation of the installation errors and the scale factor errors that obtained by the calibration method.


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    Titel :

    A new dynamic calibration method for IMU deterministic errors of the INS on the Hypersonic Cruise Vehicles


    Beteiligte:
    Peng, Hui (Autor:in) / Zhi, Xiong (Autor:in) / Wang, Rong (Autor:in) / Liu, Jian-ye (Autor:in) / Zhang, Cheng (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2013-11-06


    Format / Umfang :

    10 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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