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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||340/966 ; 244/194 ; 73/147 ; 73/178R|
|발명자 / 주소||
|인용정보||피인용 횟수 : 6 인용 특허 : 1|
A method of predicting the approaching stall of an aircraft wing which is dependent on an inherent characteristic of the airflow as the stall is approached. The method described uses a hot-wire probe which measures the turbulence of the airflow at a predetermined location on the top surface of the wing. When the turbulence exceeds a threshold, which threshold is dependent on the air-speed, a signal is produced which indicates that a stall is imminent. The method can be particularly applied to an artificial stall warning device fitted to a transport aircr...
A method of predicting the approaching stall of an aircraft wing, comprising: sensing air speed over the wing at a predetermined location spaced above the top surface of the wing to thereby produce input signals representative of air speed fluctuations at said location, said fluctuations being caused by air turbulence over the wing; using said input signals to produce a signal represensative of a ratio of the air speed fluctuations to an average air speed; and using said ratio signal to produce a signal indicative of imminent stalling.