Discover Eric Nguyen Van’s thesis led at ISAE-SUPAERO

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Discover Eric Nguyen Van's thesis led at ISAE-SUPAERO
3:01 min
Research

14 December 2020

Discover Eric Nguyen Van’s thesis led at ISAE-SUPAERO

Discover Eric Nguyen Van’s thesis, which he defended at ISAE-SUPAERO on October 23rd. Eric is now a research engineer in aeronautical design with the Multidisciplinary Methods and Integrated Design team at ONERA’s Department of Data Processing and Systems (DTIS).
Eric worked on his thesis at the Department of Aerospace Vehicle Design and Control (DCAS), in the Decisions and Commands research group.
The title of his thesis is “Stability and lateral control of an aircraft with small vertical stabilizers through differential use of propulsion systems or actuators such as crocodile flaps . Use of co-design methods”. The goal is to offer a co-design method for designing the engine command laws and sizing the vertical stabilizer while complying with the constraints of flight quality and security, as well as to provide a benchmark with a solution that has been flight tested on a demonstrator. It was useful to create a demonstrator to study electric propulsion and lateral flight mechanics both for the CEDAR Chair and for the thesis.
Eric works with the CSDV – Systems Command and Flight Dynamics – doctoral host team and at the Systems Doctoral School (EDSYS), which includes researchers from ISAE-SUPAERO and ONERA. His work was co-supervised by Daniel Alazard and Philippe Pastor, research professors at ISAE-SUPAERO, and by Carsten Döll at ONERA.
His thesis was also financed under the CEDAR Chair (Chair for Eco-Design of AiRcraft) in a partnership with AIRBUS, whose purpose is to provide answers to the environmental issues facing the aeronautical sector by defining disruptive concepts in air transport through the inclusion of innovative technologies starting in the aircraft design stage. In 2019, this partnership was renewed, taking up the main orientations from the previous years and integrating a more comprehensive approach to environmental engineering.
ISAE-SUPAERO welcomes doctoral students to six teams at ISAE-SUPAERO, ONERA and the Clément Ader Institute, covering a wide range of scientific disciplines in relation to aeronautics and space: aerodynamics and propulsion, structures and materials, embedded systems, networks and telecommunications, systems command and control, human factors, electronics, and signals. ISAE-SUPAERO proposes a rich, diverse PhD training program, leading to a doctorate, the highest level degree awarded by the Institute and recognized internationally.

ISAE-SUPAERO 3:01 min

Discover Eric Nguyen Van’s thesis, which he defended at ISAE-SUPAERO on October 23rd. Eric is now a research engineer in aeronautical design with the Multidisciplinary Methods and Integrated Design team at ONERA’s Department of Data Processing and Systems (DTIS).

Eric worked on his thesis at the Department of Aerospace Vehicle Design and Control (DCAS), in the Decisions and Commands research group.
The title of his thesis is “Stability and lateral control of an aircraft with small vertical stabilizers through differential use of propulsion systems or actuators such as crocodile flaps . Use of co-design methods”. The goal is to offer a co-design method for designing the engine command laws and sizing the vertical stabilizer while complying with the constraints of flight quality and security, as well as to provide a benchmark with a solution that has been flight tested on a demonstrator. It was useful to create a demonstrator to study electric propulsion and lateral flight mechanics both for the CEDAR Chair and for the thesis.

Eric works with the CSDV – Systems Command and Flight Dynamics – doctoral host team and at the Systems Doctoral School (EDSYS), which includes researchers from ISAE-SUPAERO and ONERA. His work was co-supervised by Daniel Alazard and Philippe Pastor, research professors at ISAE-SUPAERO, and by Carsten Döll at ONERA.

His thesis was also financed under the CEDAR Chair (Chair for Eco-Design of AiRcraft) in a partnership with AIRBUS, whose purpose is to provide answers to the environmental issues facing the aeronautical sector by defining disruptive concepts in air transport through the inclusion of innovative technologies starting in the aircraft design stage. In 2019, this partnership was renewed, taking up the main orientations from the previous years and integrating a more comprehensive approach to environmental engineering.

ISAE-SUPAERO welcomes doctoral students to six teams at ISAE-SUPAERO, ONERA and the Clément Ader Institute, covering a wide range of scientific disciplines in relation to aeronautics and space: aerodynamics and propulsion, structures and materials, embedded systems, networks and telecommunications, systems command and control, human factors, electronics, and signals. ISAE-SUPAERO proposes a rich, diverse PhD training program, leading to a doctorate, the highest level degree awarded by the Institute and recognized internationally.

Latest videos
French SUPERCAM instrument records audio from INGENUITY's Fourth flight!
Research 2:45 min

French SUPERCAM instrument records audio from INGENUITY’s Fourth flight!

2:45 min
Research

10 May 2021

French SUPERCAM instrument records audio from INGENUITY’s Fourth flight! NASA/JPL-Caltech/LANL/CNES/CNRS/ISAE-SUPAERO

Perseverance was parked 80 metres from the small rotorcraft, which rose to five metres and then hovered before flying downrange for 133 metres and returning to its take-off and landing spot. SuperCam’s science microphone, developed by ISAE-SUPAERO, recorded the sound from the helicopter’s whirring rotors during the flight. The sound registered 84 hertz, equivalent to a low E note on the piano or a bass voice type.
“This is a wonderful surprise for the science team!” said Naomi Murdoch, a research scientist with ISAESUPAERO who is studying the data captured by the microphone. “Testing in a Mars atmosphere simulator to design this instrument and our sound propagation theories led us to believe the microphone would find it very difficult to discern sounds from the helicopter. As Mars’ atmosphere is very tenuous, it really attenuates sounds. So we needed a bit of luck to pick up the helicopter from this range. We’re thrilled to have obtained this recording, which is going to be a gold mine for our understanding of the planet’s atmosphere.”
Developed jointly by ISAE-SUPAERO and a consortium of laboratories attached to the French national scientific research centre CNRS and partner laboratories, coordinated by CNES, SuperCam’s microphone is derived from a consumer model adapted to withstand the Martian environment. The microphone is pursuing three science and technology goals of the Mars 2020 mission:
Study the sounds generated by laser impacts on Martian rocks to better understand their surface mechanical properties.
- Seek to gain new insights into surface atmospheric phenomena such as wind turbulence, dust devils and wind interactions with the rover, and now with the helicopter.
- Analyse the sound signature of the rover’s movements, for example when it is using its robot arm, driving on flat or rugged terrain, and operating its pumps.
The microphone was first turned on a few hours after Perseverance’s landing, picking up the first sounds on Mars from atmospheric turbulence. It is used daily in combination with laser-induced breakdown spectroscopy (LIBS) to analyse the chemical make-up of Martian rocks.
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