New Methodology of Designation the Precise Aircraft Position Based on the RTK GPS Solution.

Area of Science:

• Aerospace Engineering
• Geomatics Engineering
• Navigation Systems

Background:

• Accurate aircraft positioning is critical for air navigation safety and efficiency.
• Existing Real Time Kinematic-On The Fly (RTK-OTF) techniques have limitations in achieving high precision.
• Global Positioning System (GPS) data is fundamental for modern navigation but requires robust processing for optimal accuracy.

Purpose of the Study:

• To develop and validate a novel mathematical model for enhancing aircraft positioning accuracy using RTK-OTF.
• To improve the reliability and precision of aircraft position determination in air navigation.
• To compare the performance of the proposed method against classical RTK-OTF solutions.

Main Methods:

• Development of a new mathematical model integrating three independent GPS solutions in OTF mode.
• Application of the method of least squares in a stochastic process for position determination.
• Utilization of measurement weights based on vector length and mean vector length error.

Main Results:

• Achieved high accuracy positioning: better than 0.039 m (vector length weighting) and 0.009 m (mean error weighting).
• Demonstrated significant accuracy improvements over classical RTK-OTF: 45-46% (vector length) and 86-88% (mean error).
• Validated the effectiveness of the developed method in enhancing RTK-OTF solutions for air navigation.

Conclusions:

• The proposed mathematical model substantially improves the accuracy of aircraft positioning using RTK-OTF.
• The method offers a significant advancement for determining precise reference positions in air navigation.
• The findings support the adoption of this enhanced technique for next-generation air navigation systems.