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System and method for predicting ice accretion on surface of aircraft through rolling forecast within short time

A rolling forecasting and forecasting system technology, applied in measurement devices, instruments, etc., to achieve the effect of accurate forecasting information and strong practicability

Inactive Publication Date: 2012-10-03
CIVIL AVIATION UNIV OF CHINA
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Problems solved by technology

However, the numerical calculation method of icing mainly considers the freezing of supercooled water droplets in the atmosphere, while the phenomenon of water vapor solidification is not considered, such as the phenomenon of frost accumulation at night
Therefore, the system and method of short-term ice forecasting on the surface of aircraft on the ground have not been reported so far.

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  • System and method for predicting ice accretion on surface of aircraft through rolling forecast within short time
  • System and method for predicting ice accretion on surface of aircraft through rolling forecast within short time
  • System and method for predicting ice accretion on surface of aircraft through rolling forecast within short time

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Embodiment Construction

[0029] The short-term forecast system and method for aircraft surface ice area using rolling forecast provided by the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] Such as figure 1 As shown, the aircraft surface area ice short-term forecast system that adopts the rolling prediction provided by the present invention includes the simulated aircraft wing, sensor system 1, data acquisition system 2 and computer system 3; Ice monitoring site; sensor system 1 includes multiple ice accumulation sensors 11, temperature and humidity sensors 12, wind speed and direction sensors 13, multiple surface temperature sensors 14, pressure sensors 15 and precipitation sensors 16, wherein multiple ice accumulation sensors 11 and multiple Surface temperature sensors 14 are installed on the surface of the simulated aircraft wing at a distance, and temperature and humidity sensors 12, wind speed and direction sens...

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Abstract

The invention discloses a system and a method for predicting ice accretion on the surface of an aircraft through rolling forecast within a short time. The system comprises a simulated aircraft aerofoil, a sensor system, a data acquisition system and a computer system, wherein the simulated aircraft aerofoil is arranged on an aircraft surface ice accretion monitoring site on the ground; the sensor system is arranged on the simulated aircraft aerofoil and the aircraft surface ice accretion monitoring site; and a sensor is connected with the computer system through the data acquisition system. By the method and the system for predicting the ice accretion of the aircraft on the ground within a short time, meteorological data, ice accretion data and other factors are used as input of a mathematical model capable of predicting the ice accretion on the surface of the aircraft on the ground, the ice accretion thickness in the future several hours is acquired by a rolling forecast algorithm of a support vector machine capable of optimizing parameters by a genetic algorithm, the ice accretion on the surface of the aircraft on the ground can be monitored and warned in real time, and abundant time can be provided for scheduling the ice accretion in an airport. In addition, the method has the advantages of accurate prediction information, high practicability and the like.

Description

technical field [0001] The invention belongs to the technical field of civil aviation airport facilities, and in particular relates to a short-term forecast system and forecast method for aircraft surface ice area using rolling forecast. Background technique [0002] The safe and punctual operation of flights is closely related to meteorological conditions. Icing is one of the important meteorological conditions affecting the normal operation of flights. The ice accumulation on the surface of the aircraft not only destroys the flow field around the aircraft, but also changes the lift resistance and stall angle of attack during takeoff, and severe ice accumulation can also lead to flight accidents. The "11.21" air crash in Baotou in 2004 was caused by the frost on the surface of the wing before takeoff. In icing weather conditions, the aircraft must be deiced before taking off. The deicing process involves the detection of ice accumulation on the surface of the aircraft an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/00
Inventor 王立文许丹丹陈斌于之靖
Owner CIVIL AVIATION UNIV OF CHINA
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