Driving torque model of the bionic soft arm’s hyperelastic bellows

ABSTRACTThe technology of soft continuum robots represents an advance in the field of robotics to benefit a wide range of industries such as healthcare, manufacturing or environmental exploration. Soft continuum robots can be driven pneumatically by bellows as the soft continuum manipulator presente...

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Main Authors: Samuel Pilch, Daniel Klug, Oliver Sawodny
Format: Article
Language:English
Published: Taylor & Francis Group 2024-12-01
Series:Mathematical and Computer Modelling of Dynamical Systems
Subjects:
Online Access:https://www.tandfonline.com/doi/10.1080/13873954.2024.2315290
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author Samuel Pilch
Daniel Klug
Oliver Sawodny
author_facet Samuel Pilch
Daniel Klug
Oliver Sawodny
author_sort Samuel Pilch
collection DOAJ
description ABSTRACTThe technology of soft continuum robots represents an advance in the field of robotics to benefit a wide range of industries such as healthcare, manufacturing or environmental exploration. Soft continuum robots can be driven pneumatically by bellows as the soft continuum manipulator presented in this article. A driving torque model of the bellows considering hyperelastic material properties, friction and restoring torques is derived, whose purpose is suitability for model-based control design and subsequent trajectory generation. Hence, the driving torque model must be real-time capable. This is realized by an iterative algorithm calculating the bellows’ torque transmission by assuming a two-dimensional no-slip membrane contact. Nonlinear strain behaviours and hysteresis effects of the bellows are considered by the Ogden material model. The driving torque model’s performance is validated experimentally by measuring the external torques of the bellows.
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spelling doaj.art-e8c1542435a94fc490cefce66f4413e62024-02-18T08:03:38ZengTaylor & Francis GroupMathematical and Computer Modelling of Dynamical Systems1387-39541744-50512024-12-013019111410.1080/13873954.2024.2315290Driving torque model of the bionic soft arm’s hyperelastic bellowsSamuel Pilch0Daniel Klug1Oliver Sawodny2Institute for System Dynamics, University of Stuttgart, Stuttgart, GermanyInstitute for System Dynamics, University of Stuttgart, Stuttgart, GermanyInstitute for System Dynamics, University of Stuttgart, Stuttgart, GermanyABSTRACTThe technology of soft continuum robots represents an advance in the field of robotics to benefit a wide range of industries such as healthcare, manufacturing or environmental exploration. Soft continuum robots can be driven pneumatically by bellows as the soft continuum manipulator presented in this article. A driving torque model of the bellows considering hyperelastic material properties, friction and restoring torques is derived, whose purpose is suitability for model-based control design and subsequent trajectory generation. Hence, the driving torque model must be real-time capable. This is realized by an iterative algorithm calculating the bellows’ torque transmission by assuming a two-dimensional no-slip membrane contact. Nonlinear strain behaviours and hysteresis effects of the bellows are considered by the Ogden material model. The driving torque model’s performance is validated experimentally by measuring the external torques of the bellows.https://www.tandfonline.com/doi/10.1080/13873954.2024.2315290Soft roboticshyperelastic bellowsdynamic actuator model
spellingShingle Samuel Pilch
Daniel Klug
Oliver Sawodny
Driving torque model of the bionic soft arm’s hyperelastic bellows
Mathematical and Computer Modelling of Dynamical Systems
Soft robotics
hyperelastic bellows
dynamic actuator model
title Driving torque model of the bionic soft arm’s hyperelastic bellows
title_full Driving torque model of the bionic soft arm’s hyperelastic bellows
title_fullStr Driving torque model of the bionic soft arm’s hyperelastic bellows
title_full_unstemmed Driving torque model of the bionic soft arm’s hyperelastic bellows
title_short Driving torque model of the bionic soft arm’s hyperelastic bellows
title_sort driving torque model of the bionic soft arm s hyperelastic bellows
topic Soft robotics
hyperelastic bellows
dynamic actuator model
url https://www.tandfonline.com/doi/10.1080/13873954.2024.2315290
work_keys_str_mv AT samuelpilch drivingtorquemodelofthebionicsoftarmshyperelasticbellows
AT danielklug drivingtorquemodelofthebionicsoftarmshyperelasticbellows
AT oliversawodny drivingtorquemodelofthebionicsoftarmshyperelasticbellows