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Smart Aircraft Landing Gear: The Mechatronic Approach

Abstract : Aircraft landing gears support the aircraft during ground operations, including take-off, landing impact, taxiing, gate handling and maintenance. In the aeronautical field, the aircraft mass repartition is a significant factor which ensures stability and safety. In order to have the best control of their device, pilots have to know the precise location of the aircraft’s center of gravity, especially during critical phases such as take-off and landing. Hence, it is interesting to develop a mechatronic system able to measure in real time before take-off the mass distributed on each landing gear. This measurement provides the ability for the pilot to avoid mass overload which can have direct impacts on the structural health integrity of the aircraft. This document presents the prototyping of an embedded system which allows determining and informing in real time about the mass distribution within a lightweight aircraft by measuring the pressure inside of each shock absorber. This prototype involves the design of a specific electronic card including an embedded microcontroller, several sensors, a Bluetooth module and an Android interface for smartphones. An application has been developed to directly print on the smartphone screen the aircraft acceleration during the flight and during the landing. It actually allows estimating the pitch and the roll angles of the aircraft during the flight which are computed using the X, Y and Z components of the acceleration. The two angles are represented by the aircraft pictograms.
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https://hal-uphf.archives-ouvertes.fr/hal-03545154
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Submitted on : Monday, May 23, 2022 - 2:50:08 PM
Last modification on : Thursday, May 26, 2022 - 3:08:41 AM

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Distributed under a Creative Commons Attribution 4.0 International License

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Christophe Delebarre. Smart Aircraft Landing Gear: The Mechatronic Approach. International Journal of Electrical and Electronic Engineering & Telecommunications , R Balamurali Krishna, 2019, 7 (6), pp.170-176. ⟨10.11648/j.jeee.20190706.16⟩. ⟨hal-03545154⟩

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