SYSTEM AND METHOD FOR DETECTING AIRCRAFT JITTER

• Main Authors: DING HUIFENG, ZHENG FENGLIANG, HUANG LEI, REN QIFENG, ZHANG YANFENG, WU JIAJU, GU ZHUPING
• Format: Patent
• Language: English; Japanese
• Published: 05.02.2015
• Subjects: AIRCRAFT; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSIONTRANSMISSIONS IN AIRCRAFT; AVIATION; COSMONAUTICS; EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SUITS; MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES; MEASURING; PARACHUTES; PERFORMING OPERATIONS; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR; TRANSPORTING

PROBLEM TO BE SOLVED: To provide a system and method for detecting an aircraft jitter.SOLUTION: The aircraft jitter detection system comprises: a jitter detection apparatus, which detects accelerations of pitch and yaw of the aircraft; a data acquisition apparatus, which obtains accelerations in two directions detected by the jitter detection apparatus; and a jitter determination apparatus, which extracts frequency spectrum and energy information of the jitter according to the accelerations in two directions obtained by the data acquisition apparatus, and determines whether the aircraft jitters. 【課題】 本発明は航空機振動検出システム及び方法に関する。【解決手段】 航空機振動検出システムは、航空機のピッチング及びヨーイングされる加速度を探測する振動探測装置と、前記振動探測装置の探測した二つの方向での加速度を取得するデータ取得装置と、前記データ取得装置が取得した二つの方向での加速度に応じて、振動の頻度スペクトルとエネルギー情報を抽出し、航空機に振動が発生したか否かを判断する振動確定装置と、を含む。【選択図】 図３