Instrument landing system gliding line check system based on unmanned aerial vehicle

Abstract

An instrument landing system gliding line check system based on an unmanned aerial vehicle comprises an airborne system, ground facilities and the unmanned aerial vehicle. The airborne system comprises a FPGA (field programmable gate array) processing system, an airborne GPS (global positioning system) receiver, a wireless data transmission module, a course signal receiving unit, a gliding signal receiving unit, an A/D converter and a power source system, and the ground facilities include a ground monitoring station and a data transmission base station. Ground measuring equipment is adopted to improve inaccuracy of instrument landing system gliding line check, the gliding process of a real airplane guided by navigation signals is simulated through the fixed-wing unmanned aerial vehicle, and real-time gliding position information of the airplane is positioned through the airborne GPS receiver, so that the process when the real airplane approaches can be simulated, each index of gliding lines of an instrument landing system can be checked, testing programs are simplified, all testing check tasks can be completed by only one person, testing is more convenient and quicker, and a lot of expenditure and personnel consumption can be saved for primary check of equipment.

Description

technical field [0001] The invention belongs to the technical field of air traffic control, in particular to an instrument landing system glideline verification system based on an unmanned aerial vehicle. Background technique [0002] The glide line calibration of the instrument landing system refers to the calibration, inspection and evaluation of various indicators of the glide line of the instrument landing system in accordance with the relevant specifications of the flight calibration by using an aircraft equipped with special calibration equipment to ensure the safety of the aircraft. The department provides the basis and reference for the calibration and maintenance of the instrument landing system. [0003] The current ILS glide line calibration methods include the following: [0004] One is to check the glide line of the instrument landing system through ground measurement equipment, such as a portable navigation glide line signal measurement analyzer, but due to th...

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Problems solved by technology

[0004] One is to check the glide line of the instrument landing system through ground measurement equipment, such as a portable navigation glide line signal measurement analyzer, but due to the influence of site conditions, man-made obstacles, and electromagnetic interference, it is difficult To ensure that accurate navigation information can be provided to the aircraft in the air. The measurement accuracy of this calibration method is not high, so actual flight calibration is required

[0005] The other is to use real aircraft for flight inspection. The entire flight inspection process is complicated and must be reported to relevant departments for approval, deploying aircraft and arranging flight inspection crews, applying for routes, formulating flight plans, and implementing various service guarantees for flight inspections. and a series of work, and requires the close cooperation of the flight inspection crew and ground personnel. Although this method is more accurate and reliable for flight inspection, the entire inspection process is expensive, time-consuming and laborious, and the glide line inspection is difficult. periodic inspection requirements, making it difficult to meet

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