Claire MEYER, Gabriel BROUX, Julien PRODIGUE, Olivier CANTINAUD, Charles POUSSOT-VASSAL

DOI Number: N/A

Conference number: IFASD-2017-133

In the objective of maximizing comfort in Falcon jets, Dassault Aviation is developing an innovative vibration control technology. Vibrations of the structure are measured at several locations and sent to a dedicated high performance vibration control computer. Control laws are implemented in this computer to analyze the vibrations in real time, and then elaborate orders sent to the existing control surfaces to counteract vibrations. After detailing the technology principles, this paper focuses on the vibration control ground demonstration and on the flight test preparation. The ground demonstration was performed by Dassault Aviation in May 2015 on a Falcon 7X business jet. The goal of this test was to attenuate vibrations resulting from fixed forced excitation delivered by shakers. The ground test demonstrated the capability to implement an efficient closed-loop vibration control with a significant vibration level reduction and validated the vibration control law design methodology. This successful ground test was a prerequisite before the flight test demonstration planned in July 2017. The objective of the flight tests is the validation of the vibration level reduction thanks to the vibration control laws in real environment (natural aerodynamic excitation). This study has been partly supported by the JTI CleanSky and CleanSky 2.

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In Categories: 1.Events, Active Control and Adaptive Structures, IFASD 2017
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