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Navigation management method of flying management system

The technology of a flight management system and management method is applied in directions such as navigation, navigation through speed/acceleration measurement, mapping and navigation, which can solve the problem of the flight management system being in the early stage, and achieve the effect of reliable aircraft position information.

Active Publication Date: 2018-03-06
XIAN FLIGHT SELF CONTROL INST OF AVIC
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Problems solved by technology

At present, the core technology of the flight management system is monopolized by foreign companies, and domestic research on the flight management system is still in its early stages

Method used

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  • Navigation management method of flying management system
  • Navigation management method of flying management system
  • Navigation management method of flying management system

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Experimental program
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Embodiment Construction

[0019] The technical solution will be described in further detail below.

[0020] The navigation management method of the flight management system includes the following three steps:

[0021] Step 1, navigation mode selection

[0022] The optimal navigation mode is selected based on the available sensors and their capabilities. The FMS navigation function selects the navigation mode according to the following priorities:

[0023] ●GPS

[0024] ●Radio navigation (DME / DME, DME / VOR)

[0025] ●Inertial navigation

[0026] ●DR

[0027] When the higher-priority navigation mode is unavailable or does not meet the requirements of the current flight stage, the suboptimal navigation mode that meets the requirements of the current flight stage is selected according to the above priorities.

[0028] GPS is the highest priority navigation mode. When the GPS integrity value HIL is less than the error limit of the current flight phase, the FMS selects the GPS navigation mode. The mar...

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Abstract

The invention belongs to the technological field of flying management, and particularly relates to a navigation management method of a flying management system. The method comprises the steps that when the navigation mode is GPS, a GPS positioning result is adopted for updating the position of the FMS; when the navigation mode is DME / DME, a DME / DME positioning result is adopted for updating the position of the FMS; when the navigation mode is VOR / DME, the position of the FMS is updated by using a VOR / DME positioning result; when the navigation mode is an inertia navigation mode, the inertia position is corrected by using the deviation value of the FMS position and the inertia position which are finally calculated in the navigation mode of GPS, DME / DME or VOR / DME before switching, and the corrected inertia position is a determined FMS position; when the navigation mode is DR, according to the airplane position and wind speed which are finally determined before switching, input heading direction and vacuum speed, the position of the FMS is calculated and updated; errors between position results of all sensors and the FMS position are calculated in real time, and alarm is given out according to the preset threshold value. The navigation management method can automatically select the navigation mode based on available sensors and provide precise and credible information of the airplane position.

Description

technical field [0001] The invention belongs to flight management technology, and in particular relates to a navigation management method of a flight management system. Background technique [0002] The flight management system is an important part of the avionics system. The system integrates navigation, guidance, flight planning, trajectory prediction, control display, performance management, fuel management, etc., to realize the automatic management and control of the entire flight process of the aircraft. At present, the core technology of flight management system is monopolized by foreign companies, and domestic research on flight management system is still in the initial stage. [0003] The flight management system is connected with many navigation sensors, including INS, GPS, DME, VOR, ADS, AHRS, etc. How to make reasonable use of various sensor information to provide the most accurate and reliable aircraft position information is a challenge faced by the development ...

Claims

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Application Information

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IPC IPC(8): G01C21/16G01C21/20G01S19/49
CPCG01C21/165G01C21/20G01S19/49
Inventor 田婉婷屈重君朱成阵祁鸣东
Owner XIAN FLIGHT SELF CONTROL INST OF AVIC