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Estimation of tissue stiffness using a prototype of air-float stiffness probe: Robotics and Automation (ICRA), 2014 IEEE International Conference on

Research output: Contribution to journalConference paper

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Estimation of tissue stiffness using a prototype of air-float stiffness probe : Robotics and Automation (ICRA), 2014 IEEE International Conference on. / Wanninayake, Indika B.; Seneviratne, Lakmal D.; Althoefer, Kaspar.

In: IEEE TRANSACTIONS ON ROBOTICS AND AUTOMATION, 22.09.2014, p. 1426-1431.

Research output: Contribution to journalConference paper

Harvard

Wanninayake, IB, Seneviratne, LD & Althoefer, K 2014, 'Estimation of tissue stiffness using a prototype of air-float stiffness probe: Robotics and Automation (ICRA), 2014 IEEE International Conference on', IEEE TRANSACTIONS ON ROBOTICS AND AUTOMATION, pp. 1426-1431. https://doi.org/10.1109/ICRA.2014.6907039

APA

Wanninayake, I. B., Seneviratne, L. D., & Althoefer, K. (2014). Estimation of tissue stiffness using a prototype of air-float stiffness probe: Robotics and Automation (ICRA), 2014 IEEE International Conference on. IEEE TRANSACTIONS ON ROBOTICS AND AUTOMATION, 1426-1431. [6907039]. https://doi.org/10.1109/ICRA.2014.6907039

Vancouver

Wanninayake IB, Seneviratne LD, Althoefer K. Estimation of tissue stiffness using a prototype of air-float stiffness probe: Robotics and Automation (ICRA), 2014 IEEE International Conference on. IEEE TRANSACTIONS ON ROBOTICS AND AUTOMATION. 2014 Sep 22;1426-1431. 6907039. https://doi.org/10.1109/ICRA.2014.6907039

Author

Wanninayake, Indika B. ; Seneviratne, Lakmal D. ; Althoefer, Kaspar. / Estimation of tissue stiffness using a prototype of air-float stiffness probe : Robotics and Automation (ICRA), 2014 IEEE International Conference on. In: IEEE TRANSACTIONS ON ROBOTICS AND AUTOMATION. 2014 ; pp. 1426-1431.

Bibtex Download

@article{126b35fe0a904afeac5a0a44aa84e3bd,
title = "Estimation of tissue stiffness using a prototype of air-float stiffness probe: Robotics and Automation (ICRA), 2014 IEEE International Conference on",
abstract = "This paper presents a novel technique for estimating stiffness distribution of a soft tissue using a prototype of air-float stiffness probe. The air-float stiffness probe uses an indentation technique to estimate tissue stiffness. It consists of a spherical indenter and an indentation depth sensing mechanism that operates under a supply of compressed air. The probe has the ability to estimate tissue stiffness in non-planner tissue profiles. A novel technique to estimate indentation force, using supply air pressure is described and validated using both experimental procedures and finite element analysis (FEA) techniques. FEA package, ANSYS CFX was used for analyzing in 2D the solid-fluid interactions within the probe to estimate force available at the indenter at different supply air pressure settings. Both the experimental results and numerical simulations suggest that there is a very strong linear correlation between the indentation force and the supply air pressure. This relationship is used to estimate the indentation force in real time during an indentation test. Verification tests carried out on simulated silicon samples showed that the probe is capable of estimating tissue stiffness values with high accuracy and repeatability.",
author = "Wanninayake, {Indika B.} and Seneviratne, {Lakmal D.} and Kaspar Althoefer",
year = "2014",
month = sep,
day = "22",
doi = "10.1109/ICRA.2014.6907039",
language = "English",
pages = "1426--1431",
journal = "IEEE TRANSACTIONS ON ROBOTICS AND AUTOMATION",
issn = "1042-296X",
publisher = "Institute of Electrical and Electronics Engineers Inc.",

}

RIS (suitable for import to EndNote) Download

TY - JOUR

T1 - Estimation of tissue stiffness using a prototype of air-float stiffness probe

T2 - Robotics and Automation (ICRA), 2014 IEEE International Conference on

AU - Wanninayake, Indika B.

AU - Seneviratne, Lakmal D.

AU - Althoefer, Kaspar

PY - 2014/9/22

Y1 - 2014/9/22

N2 - This paper presents a novel technique for estimating stiffness distribution of a soft tissue using a prototype of air-float stiffness probe. The air-float stiffness probe uses an indentation technique to estimate tissue stiffness. It consists of a spherical indenter and an indentation depth sensing mechanism that operates under a supply of compressed air. The probe has the ability to estimate tissue stiffness in non-planner tissue profiles. A novel technique to estimate indentation force, using supply air pressure is described and validated using both experimental procedures and finite element analysis (FEA) techniques. FEA package, ANSYS CFX was used for analyzing in 2D the solid-fluid interactions within the probe to estimate force available at the indenter at different supply air pressure settings. Both the experimental results and numerical simulations suggest that there is a very strong linear correlation between the indentation force and the supply air pressure. This relationship is used to estimate the indentation force in real time during an indentation test. Verification tests carried out on simulated silicon samples showed that the probe is capable of estimating tissue stiffness values with high accuracy and repeatability.

AB - This paper presents a novel technique for estimating stiffness distribution of a soft tissue using a prototype of air-float stiffness probe. The air-float stiffness probe uses an indentation technique to estimate tissue stiffness. It consists of a spherical indenter and an indentation depth sensing mechanism that operates under a supply of compressed air. The probe has the ability to estimate tissue stiffness in non-planner tissue profiles. A novel technique to estimate indentation force, using supply air pressure is described and validated using both experimental procedures and finite element analysis (FEA) techniques. FEA package, ANSYS CFX was used for analyzing in 2D the solid-fluid interactions within the probe to estimate force available at the indenter at different supply air pressure settings. Both the experimental results and numerical simulations suggest that there is a very strong linear correlation between the indentation force and the supply air pressure. This relationship is used to estimate the indentation force in real time during an indentation test. Verification tests carried out on simulated silicon samples showed that the probe is capable of estimating tissue stiffness values with high accuracy and repeatability.

UR - http://www.scopus.com/inward/record.url?scp=84929180286&partnerID=8YFLogxK

U2 - 10.1109/ICRA.2014.6907039

DO - 10.1109/ICRA.2014.6907039

M3 - Conference paper

AN - SCOPUS:84929180286

SP - 1426

EP - 1431

JO - IEEE TRANSACTIONS ON ROBOTICS AND AUTOMATION

JF - IEEE TRANSACTIONS ON ROBOTICS AND AUTOMATION

SN - 1042-296X

M1 - 6907039

ER -

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