Article (Scientific journals)
An Embedded Quaternion-Based Extended Kalman Filter Pose Estimation for Six Degrees of Freedom Systems
Medeiros, Rodrigo Alves; Araujo Pimentel, Guilherme; Garibotti, Rafael
2021In Journal of Intelligent and Robotic Systems, 102 (1)
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Keywords :
Embedded systems; Extended Kalman filter; FPGA; Pose estimation; Quaternion; Stewart platform; Inertial measurement unit; Low-cost sensors; Short periods; Simple geometries; Six degrees of freedom; Stewart platforms; Software; Control and Systems Engineering; Mechanical Engineering; Industrial and Manufacturing Engineering; Artificial Intelligence; Electrical and Electronic Engineering
Abstract :
[en] This paper proposes a formulation of quaternion-based Extended Kalman Filter pose estimation for six degrees of freedom systems embedded in an FPGA with commercial processors. Our approach uses the fusion of a camera and an inertial measurement unit to estimate simultaneously the position and the orientation of the system of interest. In addition, a Stewart platform is used to validate and evaluate the estimated pose. Although this work considers the use of common low-cost sensors and the use of markers with simple geometry, the results show excellent performance of the developed filter, being able to estimate the pose and orientation with an error below 8.14 mm and 0.63o̱, respectively. Furthermore, the effectiveness of the approach has also been evaluated, showing that the filter is able to converge quickly when the markers are retrieved after a loss of camera data for a short period of time.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Medeiros, Rodrigo Alves ;  School of Technology – Pontifical Catholic University of Rio Grande do Sul, PUCRS, Porto Alegre, Brazil
Araujo Pimentel, Guilherme   ;  Université de Mons - UMONS > Faculté Polytechnique > Service Systèmes, Estimation, Commande et Optimisation ; Université de Mons - UMONS > Faculté Polytechnique > Service Systèmes, Estimation, Commande et Optimisation
Garibotti, Rafael  ;  School of Technology – Pontifical Catholic University of Rio Grande do Sul, PUCRS, Porto Alegre, Brazil
 These authors have contributed equally to this work.
Language :
English
Title :
An Embedded Quaternion-Based Extended Kalman Filter Pose Estimation for Six Degrees of Freedom Systems
Publication date :
May 2021
Journal title :
Journal of Intelligent and Robotic Systems
ISSN :
0921-0296
eISSN :
1573-0409
Publisher :
Springer Science and Business Media B.V.
Volume :
102
Issue :
1
Peer reviewed :
Peer Reviewed verified by ORBi
Research institute :
Research Institute for Energy
Funders :
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Funding text :
This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - Brasil (CAPES) - Finance Code 001.
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since 20 December 2022

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