A relative navigation method in which the measurement information between aircraft only has distance or angle was proposed to achieve accurate relative navigation between aircraft formations in the global navigation satellite system (GNSS) Denied Environment. In addition, four relative measurement schemes are analyzed. An augmented state is introduced in the relative navigation system model, and the observability analysis of the navigation system is carried out relying on the Lie derivative theory, which gives the limitation of motion: the relative position and velocity of the aircraft cannot be parallel or zero, and a single aircraft cannot keep flying straight. A consensus unscented Kalman filter (CUKF) algorithm is established using the geometric characteristics in flight. The observability of the system state is improved after using the additional constraint. Finally, a standard Monte Carlo simulation system is established, and the system simulation is carried out, which shows that the Observability analysis is verified to be correct, and the algorithm demonstrates high accuracy.


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    Title :

    Relative navigation method for unmanned aerial vehicles formation using consensus unscented Kalman filter


    Contributors:
    Zhuang, Zhixing (author) / Gong, Baichun (author) / Ding, Xin (author) / Hao, Mingrui (author) / Chen, Linxiu (author)


    Publication date :

    2023-06-23


    Size :

    1855651 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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