Development of pressure sensors for smart textiles

Gomes, Pedro; Tama, Derya; Yu, Yao; Abreu, Maria José; Souto, A. Pedro; Carvalho, Hélder

doi:10.1088/1757-899x/460/1/012024

Cited by 9 publications

(9 citation statements)

References 5 publications

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“…Many researchers have studied the development of textile sensors, which are categorized as strain sensors [ 6 , 7 , 8 , 9 ], pressure sensors [ 10 , 11 , 12 , 13 , 14 , 15 ], temperature sensors [ 16 ] and humidity sensors [ 17 , 18 , 19 ]. Moreover, the textile pressure sensors, which are also the subject of this study, have different working principles, namely, piezoresistive [ 12 , 13 , 14 , 20 , 21 ], piezoelectric [ 22 , 23 , 24 , 25 , 26 ], capacitive [ 10 , 27 , 28 , 29 , 30 , 31 ] and optical [ 32 ].…”

Section: Introduction and Objectivesmentioning

confidence: 99%

Flexible Pressure Sensors for Integration into Karate Body Protector

Tama

Gomes

Carvalho

2023

Sensors

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The increasing interest in karate has also attracted the attention of researchers, especially in combining the equipment used by practitioners with technology to prevent injuries, improve technical skills and provide appropriate scoring. Contrary to the sport of taekwondo, the development of a smart body protector in the sport of karate is still a niche field to be researched. This study focused on developing piezoresistive, textile-based pressure sensors using piezoresistive film, conductive fabric as well as different bonding materials and methods. Primarily, small-scale sensors were produced using ultrasonic welding, hot press welding and oven curing. These were characterized using a universal testing machine and specific conditioning and data-acquisition hardware combined with custom processing software. Large-scale sensors were then manufactured to be placed inside the karate body protector and characterized using cyclic testing. The conditioning circuit allows flexible gain adjustment, and it was possible to obtain a stable signal with an output of up to 0.03 V/N, an adequate signal for the tested force range. The transfer function shows some drift over the cycles, in addition to the expected hysteresis and slight nonlinearity, which can be compensated for. Finally, the configuration with the best results was tested in real practice tests; during these tests the body protector was placed on a dummy as well as on a person. The results showed that the piezoresistive textile-based pressure sensor produced is able to detect and quantify the impact of even light punches, providing an unobtrusive means for performance monitoring and score calculation for competitive practice of this sport.

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Section: Introduction and Objectivesmentioning

confidence: 99%

Flexible Pressure Sensors for Integration into Karate Body Protector

Tama

Gomes

Carvalho

2023

Sensors

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“…Smart and wearable textiles are complete body-borne electronic systems with various functionalities of sensors which detect pressure [ 3 , 4 ], temperature and humidity [ 5 , 6 ], strain [ 7 ], chemical and bio-sensors [ 8 , 9 ], data processing and networking [ 10 ], mechanical actuation based on shape memory materials or electro-active polymers [ 11 ], thermal and energy generation [ 12 , 13 ], as well as energy storage [ 14 , 15 ] and smart fashion [ 16 , 17 ]. These textiles also contribute to help communication such as health surveillance, safety, comfort, and leisure [ 18 ].…”

Section: Introductionmentioning

confidence: 99%

Review on the Integration of Microelectronics for E-Textile

et al. 2021

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Modern electronic textiles are moving towards flexible wearable textiles, so-called e-textiles that have micro-electronic elements embedded onto the textile fabric that can be used for varied classes of functionalities. There are different methods of integrating rigid microelectronic components into/onto textiles for the development of smart textiles, which include, but are not limited to, physical, mechanical, and chemical approaches. The integration systems must satisfy being flexible, lightweight, stretchable, and washable to offer a superior usability, comfortability, and non-intrusiveness. Furthermore, the resulting wearable garment needs to be breathable. In this review work, three levels of integration of the microelectronics into/onto the textile structures are discussed, the textile-adapted, the textile-integrated, and the textile-based integration. The textile-integrated and the textile-adapted e-textiles have failed to efficiently meet being flexible and washable. To overcome the above problems, researchers studied the integration of microelectronics into/onto textile at fiber or yarn level applying various mechanisms. Hence, a new method of integration, textile-based, has risen to the challenge due to the flexibility and washability advantages of the ultimate product. In general, the aim of this review is to provide a complete overview of the different interconnection methods of electronic components into/onto textile substrate.

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“…Smart and wearable textiles are complete body-borne electronic systems with various functionalities of sensors which detects pressure [3,4], temperature and humidity [5,6], strain [7], chemical and bio-sensors [8,9], data processing and networking [10], mechanical actuation based on shape memory materials or electro-active polymers [11], thermal and energy generation [12,13] as well as energy storage [14,15] and smart fashion [16,17]. These textiles also contribute to help communication such as health surveillance, safety, comfort and leisure [18].…”

Section: Introductionmentioning

confidence: 99%

Review on the Integration of Microelectronics for E-textile

Simegnaw¹,

Malengier²,

Gideon³

et al. 2021

Preprint

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Modern electronic textiles are moving towards flexible wearable textiles, so-called e-textiles that have micro-electronic elements embedded onto the textile fabric that can be used for varied classes of functionalities. There are different methods of integrating rigid microelectronic components into/onto textiles for the development of smart textiles, which include, but are not limited to, physical, mechanical and chemical approaches. The integration systems must satisfy being flexible, lightweight, stretchable and washable to offer a superior usability, comfortability and non-intrusiveness. Furthermore, the resulting wearable garment needs to be breathable. In this review work, three levels of integration of the microelectronics into/onto the textile structures are discussed, the textile-adapted, the textile-integrated, and the textile-based integration. The textile-integrated and the textile- adapted e-textiles have failed to efficiently meet being flexible and washable. To overcome the above problems, researchers studied the integration of microelectronics into/onto textile at fiber or yarn level applying various mechanisms. Hence, a new method of integration, textile-based, has risen to the challenge due to the flexibility and washability advantages of the ultimate product. In general, the aim of this review is to provide a complete overview of the different interconnection methods of electronic components into/onto textile substrate.

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Development of pressure sensors for smart textiles

Cited by 9 publications

References 5 publications

Flexible Pressure Sensors for Integration into Karate Body Protector

Flexible Pressure Sensors for Integration into Karate Body Protector

Review on the Integration of Microelectronics for E-Textile

Review on the Integration of Microelectronics for E-textile

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