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A New Strategy for Improving the Accuracy of Aircraft Positioning Using DGPS Technique in Aerial Navigation

Author

Listed:
  • Kamil Krasuski

    (Institute of Navigation, Military University of Aviation, 08-521 Dęblin, Poland)

  • Dariusz Popielarczyk

    (Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, 10-720 Olsztyn, Poland)

  • Adam Ciećko

    (Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, 10-720 Olsztyn, Poland)

  • Janusz Ćwiklak

    (Institute of Navigation, Military University of Aviation, 08-521 Dęblin, Poland)

Abstract

In this paper a new mathematical algorithm is proposed to improve the accuracy of DGPS (Differential GPS) positioning using several GNSS (Global Navigation Satellites System) reference stations. The new mathematical algorithm is based on a weighting scheme for the following three criteria: weighting in function of baseline (vector) length, weighting in function of vector length error and weighting in function of the number of tracked GPS (Global Positioning System) satellites for a single baseline. The algorithm of the test method takes into account the linear combination of the weighting coefficients and relates the position errors determined for single baselines. The calculation uses a weighting scheme for three independent baselines denoted as ( 1 A , 2 A , 3 A ) . The proposed research method makes it possible to determine the resultant position errors for ellipsoidal BLh coordinates of the aircraft and significantly improves the accuracy of DGPS positioning. The analysis and evaluation of the new research methodology was checked for data from two flight experiments carried out in Mielec and Dęblin. Based on the calculations performed, it was found that in the flight experiment in Mielec, due to the application of the new research methodology, DGPS positioning accuracy improved from 55 to 94% for all the BLh components. In turn, in the flight experiment in Dęblin, the accuracy of DGPS positioning improved by 63–91%. The study shows that the highest DGPS positioning accuracy is seen when using weighting criterion II, the inverse of the square of the vector length error.

Suggested Citation

  • Kamil Krasuski & Dariusz Popielarczyk & Adam Ciećko & Janusz Ćwiklak, 2021. "A New Strategy for Improving the Accuracy of Aircraft Positioning Using DGPS Technique in Aerial Navigation," Energies, MDPI, vol. 14(15), pages 1-30, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:15:p:4431-:d:599391
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    Citations

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    Cited by:

    1. Andrzej Stateczny & Cezary Specht & Mariusz Specht & David Brčić & Alen Jugović & Szymon Widźgowski & Marta Wiśniewska & Oktawia Lewicka, 2021. "Study on the Positioning Accuracy of GNSS/INS Systems Supported by DGPS and RTK Receivers for Hydrographic Surveys," Energies, MDPI, vol. 14(21), pages 1-19, November.
    2. Kamil Krasuski & Adam Ciećko & Mieczysław Bakuła & Grzegorz Grunwald, 2022. "Accuracy Examination of the SDCM Augmentation System in Aerial Navigation," Energies, MDPI, vol. 15(20), pages 1-21, October.

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