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Equilibrium-Based Force and Torque Control for an Aerial Manipulator to Interact with a Vertical Surface

Published online by Cambridge University Press:  17 June 2019

Bruno Tavora ,
Hyeongjun Park Open the ORCID record for Hyeongjun Park [Opens in a new window] ,
Marcello Romano  and
Xiaoping Yun
Bruno Tavora
Affiliation:
Division of Aerodynamics, Controls, and Structures, Institute of Aeronautics and Space, Brazilian Air Force, São José dos Campos, Brazil. E-mail: brunotavorabgft@fab.mil.br
Hyeongjun Park*
Affiliation:
Department of Mechanical and Aerospace Engineering, New Mexico State University, Las Cruces, NM, USA
Marcello Romano
Affiliation:
Department of Mechanical and Aerospace Engineering, Naval Postgraduate School, Monterey, CA, USA. E-mail: mromano@nps.edu
Xiaoping Yun
Affiliation:
Department of Electrical and Computer Engineering, Naval Postgraduate School, Monterey, CA, USA. E-mail: xyun@nps.edu
*
*Corresponding author. E-mail: hjpark@nmsu.edu
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Summary

In this paper, a force and torque controller for aerial manipulation is developed using an unmanned aerial vehicle equipped with a robotic arm to interact near or on a vertical surface such as a wall. Control of aerial manipulators interacting with the environment is a challenging task due to dynamic interactions between aerial vehicles, robotic arms, and environment. To achieve this, modeling of aerial manipulators is first investigated and presented considering interaction with the environment. Nonlinear models of generic aerial manipulators, as well as of a prototype aerial manipulator composed of a hexacopter with a three-joint robotic arm, are established. An equilibrium-based force and torque controller is developed to conduct tasks that require the aerial manipulator to exert forces and torques on a wall. Simulations and experiments validate the performance of the controller that successfully applies desired forces and torques to an object fixed on a wall while flying near the wall.

Keywords

Aerial manipulationMulticopterRobotic armInteractionForce and torque control
Type
Articles
Information
Robotica , Volume 38 , Issue 4 , April 2020 , pp. 582 - 604
Copyright
© Cambridge University Press 2019 

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