To provide a system of detecting and quantifying ice accretion on and ice shedding from an aircraft.SOLUTION: An ice detector 200 comprises one or more LIDAR devices on an aircraft. Each of the LIDAR devices includes a transmitter 202 and a receiver 214. Each of the transmitters repetitively scans an aerodynamic surface 226 on the aircraft using laser pulses 206, forming scattered laser pulses 220 scattered from the aerodynamic surface. Each of the receivers comprises an ice detector 218, which receives the scattered laser pulses and outputs data comprising timing of the scattered laser pulses received in the receiver. Temporal changes in coordinates of the aerodynamic surface, indicating ice accumulation on and/or ice shedding from the aerodynamic surface, are calculated from the output data.SELECTED DRAWING: Figure 2

    【課題】航空機上の氷の付着及び脱落を検出し、定量化するシステムを提供する。【解決手段】航空機上の一又は複数のLIDARデバイスを含む氷検出器200であって、LIDARデバイスの各々は送信器202と受信器214とを含み、送信器の各々はレーザパルス206を用いて航空機の空力表面226を繰り返し走査して、空力表面から拡散した拡散レーザパルス220を形成し、受信器の各々は、拡散レーザパルスを受信し、受信器で受信した拡散レーザパルスのタイミングを含むデータを出力する、氷検出器218を備える。出力データから、空力表面上の氷の蓄積及び/又は脱落を示す空力表面の座標の時間的変化が算出される。【選択図】図2


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    Title :

    LIGHT DETECTION AND RANGING (LIDAR) ICE DETECTION SYSTEM


    Additional title:

    光検出測距(LIDAR)氷検出システム



    Publication date :

    2019-02-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS , Messen der Länge, der Dicke oder ähnlicher linearer Abmessungen / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / G01S RADIO DIRECTION-FINDING , Funkpeilung / G01W METEOROLOGY , Meteorologie



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