Study on the activation speed and the energy consumption of “federica” prosthetic hand

Daniele Esposito*, Sergio Savino, Chiara Cosenza, Gaetano Dario Gargiulo, Antonio Fratini, Giuseppe Cesarelli, Paolo Bifulco

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Important features of a hand prosthesis are certainly the comfort in wearing it, the ease of use, the activation speed, the low energy consumption and no less important the anthropomorphic aspect. This study focused on the activation speed and the energy consumption of an under-actuated, low-cost, active hand prosthesis named “Federica”. The prosthesis is moved by a single servomotor able to rotate 180 degrees. Video acquisitions of complete rotations of the servomotor, when it works freely or fixed to the mechanical components of the prosthesis, were used to compare the different kinematic behaviors of the servomotor. A current sensor was used to measure the absorbed current, i.e. the energy absorption, by the servomotor under different uses of the prosthesis (at rest, grasping objects, raising water bottles, etc.). The comparison between the kinematic behaviors of the servomotor alone or connected to the prosthesis, showed the mechanical efficiency of the prosthesis with very low latencies and small variations in velocity and acceleration profiles. The prosthesis took about half a second from the muscle sensor trigger to the complete closure of the hand, showing a significant speed. Finally, tests on current absorption of the servomotor in various conditions resembling prosthesis daily usage, revealed the capacity to guarantee an autonomy of at least one day when powered by 7.4 V, 3000 mAh battery pack.

Original languageEnglish
Title of host publication15th Mediterranean Conference on Medical and Biological Engineering and Computing – MEDICON 2019 - Proceedings of MEDICON 2019
EditorsJorge Henriques, Paulo de Carvalho, Nuno Neves
PublisherSpringer
Pages594-603
Number of pages10
ISBN (Electronic)978-3-030-31635-8
ISBN (Print)9783030316341
DOIs
Publication statusPublished - 1 Jan 2020
Event15th Mediterranean Conference on Medical and Biological Engineering and Computing, MEDICON 2019 - Coimbra, Portugal
Duration: 26 Sep 201928 Sep 2019

Publication series

NameIFMBE Proceedings
Volume76
ISSN (Print)1680-0737
ISSN (Electronic)1433-9277

Conference

Conference15th Mediterranean Conference on Medical and Biological Engineering and Computing, MEDICON 2019
CountryPortugal
CityCoimbra
Period26/09/1928/09/19

Fingerprint

Prosthetics
Servomotors
Energy utilization
Chemical activation
Kinematics
Prostheses and Implants
Sensors
Bottles
Energy absorption
Muscle
Water

Keywords

  • Grasping speed
  • Muscle controlled hand prosthesis
  • Prosthesis energy consumption

Cite this

Esposito, D., Savino, S., Cosenza, C., Gargiulo, G. D., Fratini, A., Cesarelli, G., & Bifulco, P. (2020). Study on the activation speed and the energy consumption of “federica” prosthetic hand. In J. Henriques, P. de Carvalho, & N. Neves (Eds.), 15th Mediterranean Conference on Medical and Biological Engineering and Computing – MEDICON 2019 - Proceedings of MEDICON 2019 (pp. 594-603). (IFMBE Proceedings; Vol. 76). Springer. https://doi.org/10.1007/978-3-030-31635-8_71
Esposito, Daniele ; Savino, Sergio ; Cosenza, Chiara ; Gargiulo, Gaetano Dario ; Fratini, Antonio ; Cesarelli, Giuseppe ; Bifulco, Paolo. / Study on the activation speed and the energy consumption of “federica” prosthetic hand. 15th Mediterranean Conference on Medical and Biological Engineering and Computing – MEDICON 2019 - Proceedings of MEDICON 2019. editor / Jorge Henriques ; Paulo de Carvalho ; Nuno Neves. Springer, 2020. pp. 594-603 (IFMBE Proceedings).
@inproceedings{bf29cd576a3f46b195944d8407273697,
title = "Study on the activation speed and the energy consumption of “federica” prosthetic hand",
abstract = "Important features of a hand prosthesis are certainly the comfort in wearing it, the ease of use, the activation speed, the low energy consumption and no less important the anthropomorphic aspect. This study focused on the activation speed and the energy consumption of an under-actuated, low-cost, active hand prosthesis named “Federica”. The prosthesis is moved by a single servomotor able to rotate 180 degrees. Video acquisitions of complete rotations of the servomotor, when it works freely or fixed to the mechanical components of the prosthesis, were used to compare the different kinematic behaviors of the servomotor. A current sensor was used to measure the absorbed current, i.e. the energy absorption, by the servomotor under different uses of the prosthesis (at rest, grasping objects, raising water bottles, etc.). The comparison between the kinematic behaviors of the servomotor alone or connected to the prosthesis, showed the mechanical efficiency of the prosthesis with very low latencies and small variations in velocity and acceleration profiles. The prosthesis took about half a second from the muscle sensor trigger to the complete closure of the hand, showing a significant speed. Finally, tests on current absorption of the servomotor in various conditions resembling prosthesis daily usage, revealed the capacity to guarantee an autonomy of at least one day when powered by 7.4 V, 3000 mAh battery pack.",
keywords = "Grasping speed, Muscle controlled hand prosthesis, Prosthesis energy consumption",
author = "Daniele Esposito and Sergio Savino and Chiara Cosenza and Gargiulo, {Gaetano Dario} and Antonio Fratini and Giuseppe Cesarelli and Paolo Bifulco",
year = "2020",
month = "1",
day = "1",
doi = "10.1007/978-3-030-31635-8_71",
language = "English",
isbn = "9783030316341",
series = "IFMBE Proceedings",
publisher = "Springer",
pages = "594--603",
editor = "Jorge Henriques and {de Carvalho}, Paulo and Nuno Neves",
booktitle = "15th Mediterranean Conference on Medical and Biological Engineering and Computing – MEDICON 2019 - Proceedings of MEDICON 2019",
address = "Germany",

}

Esposito, D, Savino, S, Cosenza, C, Gargiulo, GD, Fratini, A, Cesarelli, G & Bifulco, P 2020, Study on the activation speed and the energy consumption of “federica” prosthetic hand. in J Henriques, P de Carvalho & N Neves (eds), 15th Mediterranean Conference on Medical and Biological Engineering and Computing – MEDICON 2019 - Proceedings of MEDICON 2019. IFMBE Proceedings, vol. 76, Springer, pp. 594-603, 15th Mediterranean Conference on Medical and Biological Engineering and Computing, MEDICON 2019, Coimbra, Portugal, 26/09/19. https://doi.org/10.1007/978-3-030-31635-8_71

Study on the activation speed and the energy consumption of “federica” prosthetic hand. / Esposito, Daniele; Savino, Sergio; Cosenza, Chiara; Gargiulo, Gaetano Dario; Fratini, Antonio; Cesarelli, Giuseppe; Bifulco, Paolo.

15th Mediterranean Conference on Medical and Biological Engineering and Computing – MEDICON 2019 - Proceedings of MEDICON 2019. ed. / Jorge Henriques; Paulo de Carvalho; Nuno Neves. Springer, 2020. p. 594-603 (IFMBE Proceedings; Vol. 76).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

TY - GEN

T1 - Study on the activation speed and the energy consumption of “federica” prosthetic hand

AU - Esposito, Daniele

AU - Savino, Sergio

AU - Cosenza, Chiara

AU - Gargiulo, Gaetano Dario

AU - Fratini, Antonio

AU - Cesarelli, Giuseppe

AU - Bifulco, Paolo

PY - 2020/1/1

Y1 - 2020/1/1

N2 - Important features of a hand prosthesis are certainly the comfort in wearing it, the ease of use, the activation speed, the low energy consumption and no less important the anthropomorphic aspect. This study focused on the activation speed and the energy consumption of an under-actuated, low-cost, active hand prosthesis named “Federica”. The prosthesis is moved by a single servomotor able to rotate 180 degrees. Video acquisitions of complete rotations of the servomotor, when it works freely or fixed to the mechanical components of the prosthesis, were used to compare the different kinematic behaviors of the servomotor. A current sensor was used to measure the absorbed current, i.e. the energy absorption, by the servomotor under different uses of the prosthesis (at rest, grasping objects, raising water bottles, etc.). The comparison between the kinematic behaviors of the servomotor alone or connected to the prosthesis, showed the mechanical efficiency of the prosthesis with very low latencies and small variations in velocity and acceleration profiles. The prosthesis took about half a second from the muscle sensor trigger to the complete closure of the hand, showing a significant speed. Finally, tests on current absorption of the servomotor in various conditions resembling prosthesis daily usage, revealed the capacity to guarantee an autonomy of at least one day when powered by 7.4 V, 3000 mAh battery pack.

AB - Important features of a hand prosthesis are certainly the comfort in wearing it, the ease of use, the activation speed, the low energy consumption and no less important the anthropomorphic aspect. This study focused on the activation speed and the energy consumption of an under-actuated, low-cost, active hand prosthesis named “Federica”. The prosthesis is moved by a single servomotor able to rotate 180 degrees. Video acquisitions of complete rotations of the servomotor, when it works freely or fixed to the mechanical components of the prosthesis, were used to compare the different kinematic behaviors of the servomotor. A current sensor was used to measure the absorbed current, i.e. the energy absorption, by the servomotor under different uses of the prosthesis (at rest, grasping objects, raising water bottles, etc.). The comparison between the kinematic behaviors of the servomotor alone or connected to the prosthesis, showed the mechanical efficiency of the prosthesis with very low latencies and small variations in velocity and acceleration profiles. The prosthesis took about half a second from the muscle sensor trigger to the complete closure of the hand, showing a significant speed. Finally, tests on current absorption of the servomotor in various conditions resembling prosthesis daily usage, revealed the capacity to guarantee an autonomy of at least one day when powered by 7.4 V, 3000 mAh battery pack.

KW - Grasping speed

KW - Muscle controlled hand prosthesis

KW - Prosthesis energy consumption

UR - http://www.scopus.com/inward/record.url?scp=85075896703&partnerID=8YFLogxK

UR - https://link.springer.com/chapter/10.1007%2F978-3-030-31635-8_71

U2 - 10.1007/978-3-030-31635-8_71

DO - 10.1007/978-3-030-31635-8_71

M3 - Conference contribution

AN - SCOPUS:85075896703

SN - 9783030316341

T3 - IFMBE Proceedings

SP - 594

EP - 603

BT - 15th Mediterranean Conference on Medical and Biological Engineering and Computing – MEDICON 2019 - Proceedings of MEDICON 2019

A2 - Henriques, Jorge

A2 - de Carvalho, Paulo

A2 - Neves, Nuno

PB - Springer

ER -

Esposito D, Savino S, Cosenza C, Gargiulo GD, Fratini A, Cesarelli G et al. Study on the activation speed and the energy consumption of “federica” prosthetic hand. In Henriques J, de Carvalho P, Neves N, editors, 15th Mediterranean Conference on Medical and Biological Engineering and Computing – MEDICON 2019 - Proceedings of MEDICON 2019. Springer. 2020. p. 594-603. (IFMBE Proceedings). https://doi.org/10.1007/978-3-030-31635-8_71