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Environment-independent Formation Flight for Micro Aerial Vehicles

Author(s):

Tobias Nägeli, C. Conte, A. Domahidi, M. Morari, O. Hilliges
Conference/Journal:

Conference on Intelligent Robots and Systems, Chicago, USA, pp. 1141-1146, doi: 10.1109/IROS.2014.6942701
Abstract:

Some aerial tasks are achieved more efficiently and at a lower cost by a group of independently controlled micro aerial vehicles (MAVs) when compared to a single, more sophisticated robot. Controlling formation flight can be cast as a two-level problem: stabilization of relative distances of agents (formation shape control) and control of the center of gravity of the formation. To date, accurate shape control of a formation of MAVs usually relies on external tracking devices (e.g. fixed cameras) or signals (e.g. GPS) and uses centralized control, which severely limits its deployment. In this paper, we present an environment-independent approach for relative MAV formation flight, using a distributed control algorithm which relies only on embedded sensing and agent- to-agent communication. In particular, an on-board monocular camera is used to acquire relative distance measurements in combination with a consensus-based distributed Kalman filter. We evaluate our methods in- and outdoors with a formation of three MAVs while controlling the formation’s center of gravity manually.

Year:

2014
Type of Publication:

(01)Article
Supervisor:



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% Autogenerated BibTeX entry
@InProceedings { N_gEtal:2014:IFA_4807,
    author={Tobias N{\"a}geli and C. Conte and A. Domahidi and M. Morari and O.
	  Hilliges},
    title={{Environment-independent Formation Flight for Micro Aerial
	  Vehicles}},
    booktitle={Conference on Intelligent Robots and Systems},
    pages={1141--1146},
    year={2014},
    address={Chicago, USA},
    month=sep,
    url={http://control.ee.ethz.ch/index.cgi?page=publications;action=details;id=4807}
}
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