Cited by 31Muscle activation and electromyography studiesProsthetics and Rehabilitation RoboticsNeuroscience and Neural Engineering

Assessment of myoelectric controller performance and kinematic behavior of a novel soft synergy-inspired robotic hand for prosthetic applications

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Fani, Simone, Bianchi, Matteo, Jain, Sonal, Pimenta Neto, José Simões, Boege, Scott, Grioli, Giorgio, Bicchi, Antonio, Santello, Marco·2016·Frontiers in Neurorobotics

Abstract

Myoelectric artificial limbs can significantly advance the state of the art in prosthetics, since they can be used to control mechatronic devices through muscular activity in a way that mimics how the subjects used to activate their muscles before limb loss. However, surveys indicate that dissatisfaction with the functionality of terminal devices underlies the widespread abandonment of prostheses. We believe that one key factor to improve acceptability of prosthetic devices is to attain human likeness of prosthesis movements, a goal which is being pursued by research on social and human-robot interactions. Therefore, to reduce early abandonment of terminal devices, we propose that controllers should be designed so as to ensure effective task accomplishment in a natural fashion. In this work, we have analyzed and compared the performance of three types of myoelectric controller algorithms based on surface electromyography to control an underactuated and multi-degrees of freedom prosthetic hand, the SoftHand Pro. The goal of the present study was to identify the myoelectric algorithm that best mimics the native hand movements. As a preliminary step, we first quantified the repeatability of the SoftHand Pro finger movements and identified the electromyographic recording sites for able-bodied individuals with the highest signal-to-noise ratio from two pairs of muscles, i.e., flexor digitorum superficialis/extensor digitorum communis, and flexor carpi radialis/extensor carpi ulnaris. Able-bodied volunteers were then asked to execute reach-to-grasp movements, while electromyography signals were recorded from flexor digitorum superficialis/extensor digitorum communis as this was identified as the muscle pair characterized by high signal-to-noise ratio and intuitive control. Subsequently, we tested three myoelectric controllers that mapped electromyography signals to position of the SoftHand Pro. We found that a differential electromyography-to-position mapping ensured the highest coherence with hand movements. Our results represent a first step toward a more effective and intuitive control of myoelectric hand prostheses.

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Crossref · 10.3389/fnbot.2016.00011

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  • Pattern recognition control of myoelectric prostheses is getting popularity due to better classification of EMG signals using various methods.

    “Pattern recognition control of myoelectric prostheses is also getting popularity due to its better classification of EMG signals (user intentions) using various methods, i.e., linear discriminant analysis classifier, tacit learning system, deep learning with convolutional neural network (Adewuyi et al., 2016; Atzori et al., 2016; Fani et al., 2016; Oyama et al., 2016), etc.”

    From Selectivity and Longevity of Peripheral-Nerve and Machine Interfaces: A Review. (2017) · cites this paper as Fani et al., 2016

    The Introduction and Discussion (page unavailable) describe machine-learning methods that map EMG patterns to prosthesis control commands. They do not establish that pattern-recognition control is growing in popularity because of better classification, or support the listed classifier methods. The study itself tests three EMG-to-movement mapping algorithms, not those classifiers. (LLM, conf=0.84)

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Research works printed but not linked: 1

  1. Godfrey S. B. Ajoudani A. Bianchi M. Catalano M. G. Grioli G. Bicchi A. (2014). “Translating soft robotics technologies to prosthetics: early results with a softhand prosthesis,” in MEC 14: Myoelectric Controls Symposium (Fredericton, NB).

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Authors
Fani, S., Bianchi, M., Jain, S., Pimenta Neto, J. S., Boege, S., Grioli, G., Bicchi, A., & Santello, M.
Affiliations
  • University of Pisa (IT)
  • PES University (IN)
  • Arizona State University (US)
  • Italian Institute of Technology (IT)
Corresponding author
Fani, Simone
Venue
Frontiers in Neurorobotics
Published
2016-10-17
Volume
10
Pages
11-11
ISSN
1662-5218 (ISSN-L)
OpenAlex
W2529411793
Cited by
31
References
35
Citations by year
2026: 1 · 2025: 3 · 2024: 2 · 2022: 2 · 2021: 3 · 2020: 3 · 2019: 4 · 2018: 10 · 2017: 3
FWCI
2.73
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Neurorobotics (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Arizona State University Library Digital Repository (Arizona State University) (submittedVersion, cc-by)
  • CINECA IRIS Institutial research information system (University of Pisa) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Grainger Foundation
  • European Research Council (ERC-291166)
  • Horizon 2020 (688857)
  • Seventh Framework Programme (601165)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R21HD081938)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Muscle activation and electromyography studies
  • Physical Sciences › Engineering › Biomedical Engineering › Prosthetics and Rehabilitation Robotics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neural Engineering
Keywords
myoelectric prosthetic hand, surface electromyography, underactuated robotic hand, reach-to-grasp, finger kinematics, flexor digitorum superficialis, extensor digitorum communis, prosthesis abandonment, human-robot interaction

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