An evaluation is presented of the approach and landing performance of a Kalman filter aided inertial navigation system using flight data obtained from a series of approaches and landings of the CV-340 aircraft at an instrumented test area. A description of the flight test is given, in which data recorded included: (1) accelerometer signals from the platform of an INS; (2) three ranges from the Ames-Cubic Precision Ranging System; and (3) radar and barometric altimeter signals. The method of system evaluation employed was postflight processing of the recorded data using a Kalman filter which was designed for use on the XDS920 computer onboard the CV-340 aircraft. Results shown include comparisons between the trajectories as estimated by the Kalman filter aided system and as determined from cinetheodolite data. Data start initialization of the Kalman filter, operation at a practical data rate, postflight modeling of sensor errors and operation under the adverse condition of bad data are illustrated.


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    Title :

    Flight results from a study of aided inertial navigation applied to landing operations


    Contributors:
    Mcgee, L. A. (author) / Smith, G. L. (author) / Hegarty, D. M. (author) / Carson, T. M. (author) / Merrick, R. B. (author) / Schmidt, S. F. (author) / Conrad, B. (author)

    Publication date :

    1973-10-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :


    Flight Results from a Study of Aided Inertial Navigation Applied to Landing Operations

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