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Method, system and medium for monitoring a real-time clock of an aircraft

A real-time clock and aircraft technology, applied in aircraft parts, transportation and packaging, aircraft component testing, etc., can solve the problems of real-time clock time drift, real-time clock time inaccuracy, etc., and achieve the effect of alarm and automatic calibration

Active Publication Date: 2022-08-09
COMAC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to various reasons, the real-time clock may drift in time, resulting in inaccurate real-time clock time

Method used

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  • Method, system and medium for monitoring a real-time clock of an aircraft
  • Method, system and medium for monitoring a real-time clock of an aircraft
  • Method, system and medium for monitoring a real-time clock of an aircraft

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Embodiment Construction

[0032] Specific embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the accompanying drawings are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention. Those skilled in the art can make various obvious modifications, variations, and equivalent replacements to the present invention on the basis of the embodiments shown in the accompanying drawings, and under the premise of no contradiction, the technology in the described embodiments Features can be combined arbitrarily and these fall within the scope of the present invention.

[0033] see figure 1 , which shows a schematic diagram of a system 100 for monitoring a real-time clock of an aircraft according to an embodiment of the present specification.

[0034] Preferably, the system 100 is applied in an aircraft, preferably an aircraft, especially a civil aircraft. It can be a...

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Abstract

The invention discloses a method for monitoring a real-time clock of an aircraft, characterized in that the method comprises: obtaining a current reference time; obtaining the real-time clock time of the aircraft; determining the current reference time and the real-time clock a time difference between times; and comparing the time difference to a monitoring threshold, and if the time difference is greater than the monitoring threshold, determining that the aircraft's real-time clock is out of alignment. Corresponding systems and computer-readable storage media are also disclosed. The present invention can automatically monitor the real-time clock of the aircraft.

Description

technical field [0001] The present invention relates to a clock source for an aircraft, and more particularly to a method, system and medium for monitoring a real-time clock of an aircraft. Background technique [0002] Determining the exact time is very important for aircraft (eg, airplanes, such as civil aircraft). The time of the aircraft is typically provided by the aircraft's flight management system (FMS). For example, the current time of the aircraft may typically be displayed in an auxiliary information (AUX) interface of the aircraft's indication recording system. Typically, the flight management system of the aircraft utilizes the reference time as the exact time. The reference time may be, for example, Coordinated Universal Time (UTC) from a Global Navigation Satellite System (GNSS) source, or the like. However, the reference time is not always available due to various reasons (inability to receive GNSS signals, failure of related components, etc.). When a ref...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64D43/00B64F5/60
CPCB64D43/00B64F5/60
Inventor 姚西宋智尹帅
Owner COMAC