Multipoint Angle of Attack sensing for Avoidance of Loss of Control in Flight

Thomas Oliver Milward, Mike Bromfield, Nadjim Horri, Rashid Ali, Steve Scott

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Recent Federal Aviation Administration (FAA) promotion of Angle of Attack (AOA) systems for stall prevention to reduce Loss of Control In-flight (LoC-I) accidents in the General Aviation sector has resulted in a proliferation of affordable AOA systems. Most systems consist of a multi-hole differential pressure sensor or a rotating vane sensor for estimation of AOA, some also require additional data from an Air Data Computer. This paper examines an alternative method for multi-point AOA sensing using COTS MEMS pressure transducers. The method employed multiple chord-wise sensors to measure local pressure and this was used to estimate local AOA for improved stall awareness. The results suggest that the multi-point method is feasible for AOA sensing and can provide local stall warning relative to a local chord airfoil. Expanding the system to span-wise has the potential to improve total stall awareness.
Original languageEnglish
Title of host publicationAIAA Scitech 2019 Forum
PublisherAmerican Institute of Aeronautics & Astronautics
ISBN (Electronic)9781624105784
Publication statusPublished - 6 Jan 2019
EventAIAA Scitech 2019 Forum - San Diego, United States
Duration: 7 Jan 201911 Jan 2019


ConferenceAIAA Scitech 2019 Forum
Country/TerritoryUnited States
CitySan Diego


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