The alignment of a strapdown inertial navagation system (SDINS) is the process whereby the orientation of body frame is determined with respect to the navigation frame. In a broad sense, alignment of SDINS can be classified as initial alignment and in-flight alignment (IFA). The IFA is performed with IMU and external sensors during the vehicle flight, in which the primary assistant sources are satellite system, radar, or other airborne equipment, offering reference signals like position, velocity, or attitude to assist the alignment process. However, these sources have disadvantages in redundancy, independence, and stability, which will be incipient faults in emergency take-off or warfare. So it is necessary for us to analyse the subsidiary airborne equipments and design new in-flight alignment scheme.


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    Title :

    An In-Flight Emergency Alignment Scheme for Aircraft MINS with Assistant of Airborne SAR


    Contributors:
    Yao, Yi (author) / Pan, Shuang (author) / Chao, Gao (author)


    Publication date :

    2013


    Size :

    8 Seiten




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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