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Stability Augmentation System for Coaxial Ultralight Helicopters

Tobias Richter, Walter Fichter, Benjamin Rothaupt, Alexander Steinwandel, University of Stuttgart
Benedikt Grebing, edm aerotec GmbH

October 10, 2020

https://doi.org/10.4050/F-0076-2020-16426

Abstract:
In this paper, the concept, design and implementation of a stability augmentation system for coaxial ultralight helicopters is presented. For an exemplary realization, the CoAX 2D ultralight helicopter is used. It is a 2-seated helicopter with two teetering mainrotors in a coaxial configuration with a maximum take-off mass of 450kg developed by edm aerotec. The description of the stability augmentation system covers the general design approach, sensors, actuators, the flight control computer, control algorithms, and the handling of malfunctions. Results of first flight test in a movable frame illustrate the proof of concept.


Stability Augmentation System for Coaxial Ultralight Helicopters

  • Presented at Forum 76 - Best Paper for this session
  • 16 pages
  • SKU # : F-0076-2020-16426
  • July 2021 Paper of the Month.

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Stability Augmentation System for Coaxial Ultralight Helicopters

Authors / Details: Tobias Richter, Walter Fichter, Benjamin Rothaupt, Alexander Steinwandel, University of Stuttgart
Benedikt Grebing, edm aerotec GmbH