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DETECTING GA AIRCRAFT HAZARDOUS STATE USING A LOW-COST ATTITUDE AND HEADING REFERENCE SYSTEM

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thesis
posted on 2019-01-17, 14:24 authored by Arpan ChakrabortyArpan Chakraborty
General Aviation (GA) accidents constitute the majority of aviation related accidents. In the United States, there have been over 7,000 GA accidents compared to 190 airline accidents in the last 8 years. Flight data analysis has helped reduce the accident rate in commercial aviation. Similarly, safety analysis based on flight data can help GA be safer. The FAA mandates flight data recorders for multi-engine and turbine powered aircraft, but nearly 80% of General Aviation consists of single engine, of which only a small portion contain any form of data recording device. GA aircraft flight data recorders are costly for operating pilots. Low-cost flight recorders are few and rarely used in GA safety analysis due to lack of accuracy compared to the certified on-board equipment. In this thesis, I investigate the feasibility of using a low-cost Attitude and Heading Reference System (AHRS) to detect hazardous states in GA aircraft. I considered the case of roll angles and found that the low-cost device has significant measurement errors. I developed models to correct the roll angle error as well as methods to improve the detection of hazardous roll angles. I devised a method to evaluate the time accuracy along with the angle accuracy and showed that despite the errors, the low-cost device can provide partial hazardous state detection information.

History

Degree Type

  • Master of Science in Aeronautics and Astronautics

Department

  • Aeronautics and Astronautics

Campus location

  • West Lafayette

Advisor/Supervisor/Committee Chair

DR. KAREN MARAIS

Additional Committee Member 2

DR. BRUNO RIBEIRO

Additional Committee Member 3

DR. WILLIAM A. CROSSLEY

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