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A method for early warning of leakage of civil aircraft crew oxygen system based on flight data

A technology of flight data and oxygen system, which is applied in the direction of measuring the rate of increase and deceleration of the fluid, using liquid/vacuum degree to measure the liquid tightness, etc., can solve the problems of failure to troubleshoot in time and high maintenance cost, and reduce maintenance cost. The effect of improving operational efficiency

Active Publication Date: 2021-07-20
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0005] Purpose of the invention: In order to solve the problems of high maintenance cost and inability to troubleshoot in time in the prior art, the present invention provides a method for early warning of leakage of the oxygen system of civil aircraft crews based on flight data

Method used

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  • A method for early warning of leakage of civil aircraft crew oxygen system based on flight data
  • A method for early warning of leakage of civil aircraft crew oxygen system based on flight data
  • A method for early warning of leakage of civil aircraft crew oxygen system based on flight data

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Embodiment Construction

[0039] The drawings constituting a part of the present invention are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention.

[0040] Such as figure 1 As shown, this embodiment provides a method for early warning of leakage of the oxygen system of a civil aircraft crew based on flight data, which specifically includes the following steps:

[0041] Step 1: A civil aircraft crew oxygen system leakage early warning method based on flight data, which can monitor multiple flights at the same time. Collect the flight data related to the crew oxygen system (M=100 in this embodiment) recorded by M sorties of the same aircraft type, including but not limited to time (TIME), flight phase (FLIGHT_PHASE), crew oxygen pressure (CREW_OXY_PRS), atmospheric Parameters such as temperature (SAT) and c...

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Abstract

The example of the present invention discloses a civil aircraft unit oxygen system leakage early warning method based on flight data, which is applied to the real-time monitoring and risk early warning of the civil aircraft unit oxygen system; through collecting and monitoring flight data related to the oxygen system of the flight unit oxygen system and performing data processing And feature extraction, import the extracted feature values ​​into the flight crew oxygen system leakage model for calculation, and perform hierarchical early warning processing on the calculation results. The invention can automatically collect flight data related to the oxygen system of the aircraft crew, analyze them, judge the performance of the oxygen system of the crew, and finally notify the maintenance personnel of the early warning result to realize the closed-loop control and health management of the oxygen system of the aircraft crew. Maintenance and troubleshooting in a timely manner, reducing the maintenance cost of the aircraft.

Description

technical field [0001] The invention relates to the technical field of civil aircraft system safety management and risk early warning. Background technique [0002] When a civil aircraft loses pressure at high altitude, the oxygen system plays a very important role in ensuring the life safety of passengers on board, and has a very important impact on the safety of aircraft operation. The crew oxygen system is a fixed high-pressure oxygen system, which is stored by a fixed oxygen cylinder and provides breathing oxygen for the pilot, co-pilot and observer. The crew oxygen system can provide emergency oxygen for cockpit crew members in the event of cabin depressurization, smoke and fire, and can provide supplementary oxygen to improve night vision or relieve fatigue. [0003] At present, the daily inspection and maintenance of the oxygen system of the crew is only required to check whether the pressure of the oxygen cylinder of the crew meets the release standard. If the press...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M3/26
CPCG01M3/26
Inventor 孙有朝彭冲苏思雨
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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