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  • ICA B "Flight Physics and Vehicle Systems"
Logo Sustainable and Energy Efficient Aviation of TU Braunschweig
B2.3 - ARGO2 - Integrated design of control methods for stability of elastic aircraft
  • ICA B "Flight Physics and Vehicle Systems"
    • B5.2 - Application of physics-based finite-element tools in stiffness tailored structures for cryogenic hydrogen storage for improved mechanical and thermo-mechanical response
    • B4.2 - Consistent Multilevel Model Coupling and Knowledge Representation in Multidisciplinary Analysis and Design
    • B4.1- Collaborative Multidisciplinary Structural Design and Thermal Management for Electric Aircraft
    • B3.5 - Production technologies for hybrid suction designs - Bonding of micro-perforated sheets for hybrid laminar flow control suction panels
    • B3.2 - Advancing the additive xHLFC suction panel concept towards wind-tunnel readiness
    • B3.1 - Protective, multifunctional suction shells for hybrid laminar flow control: Design, integration, simulation and testing
    • B2.5 - EverScale - Enhancement and verification of load alleviation technologies by subscale flight testing
    • B2.4- Hybrid load alleviation by fluidic/reversed control and nonlinear structures
    • B2.3 - ARGO2 - Integrated design of control methods for stability of elastic aircraft
    • B1.9 - Validation of turbulent boundary layer-induced sound transmission through a fuselage section
    • B1.8 - Wind-tunnel experiments of advanced design of swept-wing with suction surfaces
    • B1.7 - Extension of Correlation-based Transition Transport Models for Laminar Aircraft Design
    • B1.6 - Effective Design Methods and Design Exploration for Laminar Wing and Fuselage
    • B1.5 - Sensitivities of Laminar Suction Boundary Layers for Large Reynolds Numbers
    • B1.3- Physics of broadband noise of sound sources from installed propulsors
    • JRG-B1 - Physics of Laminar Wing and Fuselage
    • JRG-B2 - Flow Physics of Load Reduction
    • B1.1 - Propeller and wing aerodynamics of distributed propulsion
    • B1.2 - Aerodynamic analysis of partly embedded boundary layer ingesting propulsors
    • B1.3 - Fast non empiric prediction of propulsion installation related noise
    • B1.4 - Transition Prediction and Design of Hybrid Laminar Flow Control on Blended Wing Bodies Based on 3D Parabolized Stability Equations
    • B2.1 - Load reduction potential of nonlinear stiffness and damping technologies
    • B2.2 - Structural technologies enabling load alleviation
    • B2.3 - Active load Reduction for enabling a 1-G wing using fOrward-looking and distributed sensors (ARGO)
    • B2.4 - Morphing structures for the 1g-wing
    • B3.1 - Global and Local Design Methodology for Laminar Flow Control
    • B3.2 - Process simulation and multiscale manufacturing of suction panels for laminar flow control
    • B3.3 - Thin Plies in Application for Next Generation Aircraft (TANGA)
    • B3.4 - New methods for failure and fatigue analysis of suction panels for laminar flow control
    • B5.1 - ADEMAO: Aircraft Design Engine based on Multidisciplinary Analysis and Optimization
    • JRG-B5 - Long-Range Aircraft Configurations and Technology Analyses
    • JRP - Permeation assessment for cryogenic applications by means of Fiber Bragg Grating sensors
    • ⯇ back to research

B2.3 - ARGO2 - Integrated design of control methods for stability of elastic aircraft

This project aims at investigating active and partially passive wing control functions combining active flutter control with  “rigid-body“ (manual flight modes and/or autopilot) and flexible laws (manoeuvre and gust load alleviation functions). The load alleviation functions shall significantly reducing gust and manoeuvre loads down to a level equivalent to steady 1.5g to 2.0g flight and the flutter control law shall permit to fly right at the limit or even slightly beyond the open-loop flutter speed. Sensor networks integrated into the wings and fuselage will facilitate accurate evaluation of the aircraft current and future state. If this information is integrated into the flight controls, uncertainties can be reduced and flight controller performance can be significantly improved. By doing so, significant mass saving can be obtained, assuming no change in planform of the wing. Part of these savings can also be traded against an increase in aspect ratio of the wing, i.e. against an improvement in aerodynamic efficiency of the aircraft. This project builds upon the results of the ICA B2.3 project of the first phase. Compared to the B2.3 project, the new elements are:

  • The investigation of manoeuvre load alleviation functions.

  • The investigation of flutter control functions, including comparison between modal approaches (e.g. eigenstructure assignment), robust/modern control approaches (Hinfinity/H2), and adaptive approaches (e.g. INDI).

  • The investigation of the interplay between active wing control functions (“rigid-body“ laws, manoeuvre load alleviation functions, gust load alleviation functions, and flutter control functions) and how to prevent these functions from working against each other.

  • The investigation of sensor network (i.e. distributed across the wing to better estimate the current state of the main aircraft flexible states/modes and use this information in the flight controls).

  • Support of the ICA A work by providing various flight mechanical models for improved representativeness of the ICA A investigations.

Project Details

Members

Institute of Flight Guidance, Technische Universität Braunschweig

Dr.-Ing. Meiko Steen (PI)

Yannic Beyer, M.Sc.

Marc Ilic, M.Sc.

Institute of Flight Systems, German Aerospace Center (DLR)

Dr.-Ing. Nicolas Fezans (Co-PI)

Till Strothteicher, M.Sc.

Project Management

Dr.-Ing. Meiko Steen
Institute of Flight Guidance, TU Braunschweig
m.steen(at)tu-braunschweig.de

Dr.-Ing. Nicolas Fezans
Institute of Flight Systems, German Aerospace Center (DLR)
nicolas.fezans(at)dlr.de

Institutions

Institute of Flight Guidance
Technische Universität Braunschweig
Hermann-Blenk-Str. 27
38108 Braunschweig

Institute of Flight Systems
German Aerospace Center (DLR)
Lilienthalplatz 7
38108 Braunschweig
 

 

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Contact information

Cluster of Excellence SE²A –
Sustainable and Energy-Efficient Aviation
Technische Universität Braunschweig
Hermann-Blenk-Str. 42
38108 Braunschweig

se2a(at)tu-braunschweig.de
+49 531 391 66661

 

 

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