Energy tank-based wrench/impedance control of a fully-actuated hexarotor: A geometric port-hamiltonian approach

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

49 Scopus citations

Abstract

In this work, we show how the interactive behavior of an aerial robot can be modeled and controlled effectively and elegantly in the port-Hamiltonian framework. We present an observer-based wrench/impedance controller for a fully-actuated hexarotor. The analysis and control are performed in a geometrically consistent manner on the configuration manifold of the special Euclidean group SE (3) such that the UAV's nonlinear geometric structure is exploited. The controller uses a wrench observer to estimate the interaction wrench without the use of a force/torque sensor. Moreover, the concept of energy tanks is used to guarantee the system's overall contact stability to arbitrary passive environments. The reliability and robustness of the proposed approach is validated through simulation and experiment.

Original languageEnglish
Title of host publication2019 International Conference on Robotics and Automation, ICRA 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages6418-6424
Number of pages7
ISBN (Electronic)9781538660263
DOIs
StatePublished - May 2019
Externally publishedYes
Event2019 International Conference on Robotics and Automation, ICRA 2019 - Montreal, Canada
Duration: 20 May 201924 May 2019

Publication series

NameProceedings - IEEE International Conference on Robotics and Automation
ISSN (Print)1050-4729

Conference

Conference2019 International Conference on Robotics and Automation, ICRA 2019
Country/TerritoryCanada
CityMontreal
Period20/05/1924/05/19

Bibliographical note

Publisher Copyright:
© 2019 IEEE.

ASJC Scopus subject areas

  • Software
  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Artificial Intelligence

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