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  Modeling, Control and Design Optimization for a Fully-actuated Hexarotor Aerial Vehicle with Tilted Propellers

Rajappa, S., Ryll, M., Bülthoff, H., & Franchi, A. (2015). Modeling, Control and Design Optimization for a Fully-actuated Hexarotor Aerial Vehicle with Tilted Propellers. In IEEE International Conference on Robotics and Automation (ICRA 2015) (pp. 4006-4013). Piscataway, NJ, USA: IEEE.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-4675-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-80C3-2
Genre: Conference Paper

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 Creators:
Rajappa, S1, Author              
Ryll, M1, Author              
Bülthoff, HH1, Author              
Franchi, A1, Author              
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              

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 Abstract: Mobility of a hexarotor UAV in its standard configuration is limited, since all the propeller force vectors are parallel and they achieve only 4-DoF actuation, similar, e.g., to quadrotors. As a consequence, the hexarotor pose cannot track an arbitrary trajectory while the center of mass is tracking a position trajectory. In this paper, we consider a different hexarotor architecture where propellers are tilted, without the need of any additional hardware. In this way, the hexarotor gains a 6-DoF actuation which allows to independently reach positions and orientations in free space and to be able to exert forces on the environment to resist any wrench for aerial manipulation tasks. After deriving the dynamical model of the proposed hexarotor, we discuss the controllability and the tilt angle optimization to reduce the control effort for the specific task. An exact feedback linearization and decoupling control law is proposed based on the input-output mapping, considering the Jacobian and task acceleration, for non-linear trajectory tracking. The capabilities of our approach are shown by simulation results.

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 Dates: 2015-05
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: DOI: 10.1109/ICRA.2015.7139759
BibTex Citekey: RajappaRBF2015
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Title: IEEE International Conference on Robotics and Automation (ICRA 2015)
Place of Event: Seattle, WA, USA
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Title: IEEE International Conference on Robotics and Automation (ICRA 2015)
Source Genre: Proceedings
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Publ. Info: Piscataway, NJ, USA : IEEE
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 4006 - 4013 Identifier: ISBN: 978-1-4799-6923-4