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A Mechatronics-twin Framework based on Stewart Platform for Effective Exploration of Operational Behaviors of Prosthetic Sockets with Amputees
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Embedded Control Systems. Digital Futures.ORCID iD: 0000-0001-7048-0108
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Embedded Control Systems.ORCID iD: 0000-0002-0699-3889
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Embedded Control Systems.ORCID iD: 0000-0002-1685-5586
2022 (English)In: BIOSTEC - the 16th International Joint Conference on Biomedical Engineering Systems and Technologies. 2022, 2022, article id 15Conference paper, Published paper (Refereed)
Abstract [en]

A Stewart platform is a six-degree-of-freedom parallel manipulator widely used as the motion base for flight simulators, antenna positioning systems, machine tool technology, etc. This work presents a novel mechatronics-twin framework that integrates such a manipulator with advanced biomechanical models and simulations for effective exploration of operational behaviors of prosthetic sockets with amputees. By means of the biomechanical models and simulations, the framework allows the users to first analyze the fundamental operational characteristics of individual amputees according to their specific body geometries, pelvis-femur structures, sizes of transfemoral sockets, etc. Such operational characteristics are then fed to one Stewart platform as the reference control signals for the generation of dynamic loads and behaviors of prosthetic sockets that are otherwise difficult to observe or realize with the real amputees. Experiments in form of integration testing show that the proposed control strategy is capable of generating expected dynamic operational conditions. Currently, the mechatronics-twin framework supports a wide range of biomechanical configurations and the quantification of the respective intra-socket load conditions for socket design optimization and anomaly detection.

Place, publisher, year, edition, pages
2022. article id 15
Keywords [en]
Mechatronics-twin, Stewart Manipulator, Transfemoral Amputee, Prosthetics, Human-in-the-Loop, Cyber-physical System, Biomechanical Modeling, Force-control.
National Category
Orthopaedics Robotics Human Computer Interaction
Research subject
Biotechnology; Machine Design; Human-computer Interaction; Medical Technology
Identifiers
URN: urn:nbn:se:kth:diva-309098DOI: 10.5220/0010838600003123ISI: 000778905500007OAI: oai:DiVA.org:kth-309098DiVA, id: diva2:1639402
Conference
BIODEVICES - 16th International Conference on Biomedical Electronics and Devices
Projects
SocketSense
Funder
EU, Horizon 2020, 825429
Note

QC 20220517

Available from: 2022-02-21 Created: 2022-02-21 Last updated: 2022-06-25Bibliographically approved

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Chen, DeJiuOttikkutti, SuranjanTahmasebi, Kaveh Nazem
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CiteExportLink to record
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Citation style
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