Cited by 70Robot Manipulation and LearningProsthetics and Rehabilitation RoboticsSocial Robot Interaction and HRI

Probabilistic real-time user posture tracking for personalized robot-assisted dressing

Zhang, Fan, Cully, Antoine, Demiris, Yiannis·2019·IEEE Transactions on Robotics

Abstract

Robotic solutions to dressing assistance have the potential to provide tremendous support for elderly and disabled people. However, unexpected user movements may lead to dressing failures or even pose a risk to the user. Tracking such user movements with vision sensors is challenging due to severe visual occlusions created by the robot and clothes. In this paper, we propose a probabilistic tracking method using Bayesian networks in latent spaces, which fuses robot end-effector positions and force information to enable cameraless and real-time estimation of the user postures during dressing. The latent spaces are created before dressing by modeling the user movements with a Gaussian process latent variable model, taking the user's movement limitations into account. We introduce a robot-assisted dressing system that combines our tracking method with hierarchical multitask control to minimize the force between the user and the robot. The experimental results demonstrate the robustness and accuracy of our tracking method. The proposed method enables the Baxter robot to provide personalized dressing assistance in putting on a sleeveless jacket for users with (simulated) upper-body impairments.

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Crossref · 10.1109/tro.2019.2904461

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Authors
Zhang, F., Cully, A., & Demiris, Y.
Affiliations
Imperial College London (GB)
Venue
IEEE Transactions on Robotics
Published
2019-08
Volume
35
Issue
4
Pages
873-888
ISSN
  • 1552-3098 (ISSN-L)
  • 1941-0468
OpenAlex
W2937476238
Cited by
70
References
67
Citations by year
2026: 5 · 2025: 9 · 2024: 10 · 2023: 12 · 2022: 18 · 2021: 8 · 2020: 7 · 2019: 1
FWCI
4.71
Type
journal article
Language
en
Open access
closed
Locations
  • IEEE Transactions on Robotics (publishedVersion)
  • Spiral (Imperial College London) (submittedVersion)
Funders
Royal Academy of Engineering
Topics
  • Physical Sciences › Engineering › Control and Systems Engineering › Robot Manipulation and Learning
  • Physical Sciences › Engineering › Biomedical Engineering › Prosthetics and Rehabilitation Robotics
  • Social Sciences › Psychology › Social Psychology › Social Robot Interaction and HRI
Keywords
Bayesian networks, Gaussian process latent variable model, visual occlusion, force estimation, Baxter robot, real-time tracking

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