INS errors present one of the major problems in development of navigation systems for aerial vehicles. This problem is especially actual for Mini and Micro UAVs where INS is based on MEMS which possesses high spectral density noise and instability. Another problem for Micro UAVs is restrictions applied for onboard hardware. Autopilots designed for this UAVs utilizes microcontrollers for CPU, which executes functions of flight control, navigation system, payload control and etc. So one needs simple and reliable algorithm for errors compensation in this particular types of autopilots. Existing algorithms, such as Complementary Filters or Kalman Filter, already are used in INS and performs very well. But there is always a way for improvements. Such improvement is a Luenberger Observer. It can estimate navigation and sensors errors. This algorithm is simpler, thus faster, than Kalman Filter. In this paper implementation of Luenberger Observer in Attitude and Heading Reference System (AHRS) (specific type of INS) is considered. The simulation of algorithm performance using real onboard data and feasibility of its implementation in navigation systems is shown.


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    Title :

    INS errors compensation algorithm based on Luenberger Observer


    Contributors:


    Publication date :

    2013-10-01


    Size :

    314353 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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