Design and characterization of an active compression garment for the upper extremity

Carlos Gonçalves; Alexandre Ferreira da Silva; Ricardo Simoes; João Gomes; Leia Stirling; Brad Holschuh

doi:10.1109/tmech.2019.2916221

Design and characterization of an active compression garment for the upper extremity

Carlos Gonçalves, Alexandre Ferreira da Silva, Ricardo Simoes, João Gomes, Leia Stirling, Brad Holschuh

Apparel Design

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Abstract

This paper presents the design, development, and testing of an active textile-based wearable compression device that is capable of delivering a controlled pulsatile compression. The device uses low spring index nickel titanium (NiTi) coil actuators to produce an applied dynamic pressure of up to 5.5 kPa. The selected NiTi coil actuators produce pressure when thermally stimulated with Joule heating via an applied current (0.3 A), and generate recoverable strains up to 75% in extension. An optical fiber strain sensor was developed to monitor the textile strain and enable the indirect estimation of the applied pressure. A new approach using a passive NiBR spring (in parallel with the NiTi actuators) was also developed to assist the NiTi coils in recovering the detwinned martensite form after cooling. The pressure distribution around a rigid cylindrical shape was also evaluated, showing higher applied pressures (5.5 kPa) where the NiTi coil actuators were located. The strain sensor exhibits high accuracy compared to a reference commercial sensor (as indicated by the high correlation indexes of up to 0.97 between compression cycle measurements with both solutions).

Original language	English (US)
Article number	2916221
Pages (from-to)	1464-1472
Number of pages	9
Journal	IEEE/ASME Transactions on Mechatronics
Volume	24
Issue number	4
DOIs	https://doi.org/10.1109/tmech.2019.2916221 https://doi.org/10.1109/TMECH.2019.2916221
State	Published - Aug 2019

Bibliographical note

Funding Information:
Manuscript received November 9, 2016; revised August 16, 2017, January 29, 2018, May 25, 2018, and October 5, 2018; accepted May 7, 2019. Date of publication May 10, 2019; date of current version August 14, 2019. Recommended by Technical Editor J. C. Koo. This work was supported in part by CeNTI—Centre for Nanotechnology and Smart Materials, MIT MVL—Man Vehicle Laboratory, and UMN WTL— Wearable Technology Laboratory, in part by the National Funds throught FCT - Portuguese Foundation for Science and Technology, Reference UID/CTM/50025/2013 and PhD grant SFRH/BD/52352/2013 (CG), and in part by FEDER funds through the COMPETE 2020 Programme under the project number POCI-01-0145-FEDER-007688. (Corresponding author: Carlos Gonc¸alves.) C. Gonc¸alves is with the Institute for Polymers and Composites IPC/I3N and MIT-Portugal program, University of Minho, Braga 4704, Portugal (e-mail:,[email protected]).

Keywords

Active materials
Compression garments
Fiber optic sensing
Shape memory alloys
Smart wearable textiles
Soft orthotic devices
Strain sensors

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title = "Design and characterization of an active compression garment for the upper extremity",

abstract = "This paper presents the design, development, and testing of an active textile-based wearable compression device that is capable of delivering a controlled pulsatile compression. The device uses low spring index nickel titanium (NiTi) coil actuators to produce an applied dynamic pressure of up to 5.5 kPa. The selected NiTi coil actuators produce pressure when thermally stimulated with Joule heating via an applied current (0.3 A), and generate recoverable strains up to 75% in extension. An optical fiber strain sensor was developed to monitor the textile strain and enable the indirect estimation of the applied pressure. A new approach using a passive NiBR spring (in parallel with the NiTi actuators) was also developed to assist the NiTi coils in recovering the detwinned martensite form after cooling. The pressure distribution around a rigid cylindrical shape was also evaluated, showing higher applied pressures (5.5 kPa) where the NiTi coil actuators were located. The strain sensor exhibits high accuracy compared to a reference commercial sensor (as indicated by the high correlation indexes of up to 0.97 between compression cycle measurements with both solutions).",

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note = "Funding Information: Manuscript received November 9, 2016; revised August 16, 2017, January 29, 2018, May 25, 2018, and October 5, 2018; accepted May 7, 2019. Date of publication May 10, 2019; date of current version August 14, 2019. Recommended by Technical Editor J. C. Koo. This work was supported in part by CeNTI—Centre for Nanotechnology and Smart Materials, MIT MVL—Man Vehicle Laboratory, and UMN WTL— Wearable Technology Laboratory, in part by the National Funds throught FCT - Portuguese Foundation for Science and Technology, Reference UID/CTM/50025/2013 and PhD grant SFRH/BD/52352/2013 (CG), and in part by FEDER funds through the COMPETE 2020 Programme under the project number POCI-01-0145-FEDER-007688. (Corresponding author: Carlos Gonc¸alves.) C. Gonc¸alves is with the Institute for Polymers and Composites IPC/I3N and MIT-Portugal program, University of Minho, Braga 4704, Portugal (e-mail:,[email protected]).",

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AU - Stirling, Leia

AU - Holschuh, Brad

N1 - Funding Information: Manuscript received November 9, 2016; revised August 16, 2017, January 29, 2018, May 25, 2018, and October 5, 2018; accepted May 7, 2019. Date of publication May 10, 2019; date of current version August 14, 2019. Recommended by Technical Editor J. C. Koo. This work was supported in part by CeNTI—Centre for Nanotechnology and Smart Materials, MIT MVL—Man Vehicle Laboratory, and UMN WTL— Wearable Technology Laboratory, in part by the National Funds throught FCT - Portuguese Foundation for Science and Technology, Reference UID/CTM/50025/2013 and PhD grant SFRH/BD/52352/2013 (CG), and in part by FEDER funds through the COMPETE 2020 Programme under the project number POCI-01-0145-FEDER-007688. (Corresponding author: Carlos Gonc¸alves.) C. Gonc¸alves is with the Institute for Polymers and Composites IPC/I3N and MIT-Portugal program, University of Minho, Braga 4704, Portugal (e-mail:,[email protected]).

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N2 - This paper presents the design, development, and testing of an active textile-based wearable compression device that is capable of delivering a controlled pulsatile compression. The device uses low spring index nickel titanium (NiTi) coil actuators to produce an applied dynamic pressure of up to 5.5 kPa. The selected NiTi coil actuators produce pressure when thermally stimulated with Joule heating via an applied current (0.3 A), and generate recoverable strains up to 75% in extension. An optical fiber strain sensor was developed to monitor the textile strain and enable the indirect estimation of the applied pressure. A new approach using a passive NiBR spring (in parallel with the NiTi actuators) was also developed to assist the NiTi coils in recovering the detwinned martensite form after cooling. The pressure distribution around a rigid cylindrical shape was also evaluated, showing higher applied pressures (5.5 kPa) where the NiTi coil actuators were located. The strain sensor exhibits high accuracy compared to a reference commercial sensor (as indicated by the high correlation indexes of up to 0.97 between compression cycle measurements with both solutions).

AB - This paper presents the design, development, and testing of an active textile-based wearable compression device that is capable of delivering a controlled pulsatile compression. The device uses low spring index nickel titanium (NiTi) coil actuators to produce an applied dynamic pressure of up to 5.5 kPa. The selected NiTi coil actuators produce pressure when thermally stimulated with Joule heating via an applied current (0.3 A), and generate recoverable strains up to 75% in extension. An optical fiber strain sensor was developed to monitor the textile strain and enable the indirect estimation of the applied pressure. A new approach using a passive NiBR spring (in parallel with the NiTi actuators) was also developed to assist the NiTi coils in recovering the detwinned martensite form after cooling. The pressure distribution around a rigid cylindrical shape was also evaluated, showing higher applied pressures (5.5 kPa) where the NiTi coil actuators were located. The strain sensor exhibits high accuracy compared to a reference commercial sensor (as indicated by the high correlation indexes of up to 0.97 between compression cycle measurements with both solutions).

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KW - Fiber optic sensing

KW - Shape memory alloys

KW - Smart wearable textiles

KW - Soft orthotic devices

KW - Strain sensors

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Design and characterization of an active compression garment for the upper extremity

Abstract

Bibliographical note

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