Device used for RNP airborne performance monitoring and warning

Abstract

The invention discloses a device used for RNP airborne performance monitoring and warning. The device comprises a display system, an audio warning system, and an integrated management system; the integrated management system is used for calculating the current position, actual navigation performance, and current RNP value of aircrafts, and sending the calculation results to the display system; the display system is used for drawing a first group of parallel lines used for representing the current RNP value on the two sides of a centre dividing line, and then drawing a second group of parallel lines used for representing values of two times of the current RNP value on the outer sides of the first group of parallel lines, and at last drawing a circle used for representing actual navigation performance, wherein an expected navigation segment of the current moment is taken as the centre dividing line, the current position of the aircraft is taken as the center of the circle, and the semi diameter is designed to be corresponding to the PEE value. The device is capable of realizing dynamic displaying of the current aircraft position, the value of PEE, the value of FTE, and the accuracy and tolerance degree relationship of PEE and FTE with RNP in a drawing mode; pilots are capable of visually monitoring RNP running conditions of the aircrafts in a same drawing; and RNP navigation efficiency is increased.

Description

technical field [0001] The invention relates to an airborne performance monitoring and warning device, in particular to a device for providing safe operation of an aircraft under the operation of required navigation performance, and belongs to the technical field of aircraft navigation. Background technique [0002] Required Navigation Performance (RNP, Required Navigation Performance) is defined as the navigation performance accuracy required for an aircraft to operate within a certain route, airspace or area. RNP means that the aircraft can fly along any desired path within the coverage area of ​​the navigation signal, or within the capability limit of the onboard navigation equipment, or a combination of the two; and has the capability of onboard navigation performance monitoring and warning. Once the navigation accuracy is insufficient, the system will automatically issue an alarm to prompt the pilot to take measures to ensure flight safety. [0003] RNP is expressed as...

AI Technical Summary

Problems solved by technology

[0005] In order to change the RNP monitoring and warning parameters less, not accurate and intuitive enough, difficult to accurately input RNP value, lack of technical status of dynamic monitoring of the performance of each navigation sensor, the purpose of the invention is to provide a general RNP monitoring and warning device, which can Help pilots comprehensively and accurately monitor the current RNP operation status, quickly and intuitively find problems that affect flight safety, assist pilots to complete accurate input of RNP values, and realize dynamic performance monitoring of each navigation sensor, thereby reducing the burden on pilots and effectively improving RNP operation security

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