A Textile-Based Wearable Sensing Device Designed for Monitoring the Flexion Angle of Elbow and Knee Movements

Shyr, Tien-Wei; Shie, Jing-Wen; Jiang, Chang-Han; Li, Jung-Jen

doi:10.3390/s140304050

Cited by 93 publications

(56 citation statements)

References 19 publications

(15 reference statements)

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“…Three strategies are used to develop electronic textiles to sense external strain and stress:1 )fiber sensors are woven into electronic fabrics; [182,183] 2) fiber sensors are integrated into commercially available textiles such as clothes and gloves; [184][185][186][187] 3) functional materials are deposited onto commercial textiles. [188][189][190][191] Furthermore,t he electrospinning technique represents an ovel one-step strategy to fabricate electronic textile sensors.…”

Section: Resistive Sensorsmentioning

confidence: 99%

Smart Electronic Textiles

et al. 2016

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This Review describes the state-of-the-art of wearable electronics (smart textiles). The unique and promising advantages of smart electronic textiles are highlighted by comparing them with the conventional planar counterparts. The main kinds of smart electronic textiles based on different functionalities, namely the generation, storage, and utilization of electricity, are then discussed with an emphasis on the use of functional materials. The remaining challenges are summarized together with important new directions to provide some useful clues for the future development of smart electronic textiles.

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Section: Resistive Sensorsmentioning

confidence: 99%

Smart Electronic Textiles

et al. 2016

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“…Strain sensors fabricated from stretchable silicone and attached directly to the skin have been proposed to measure rotation angles of individual joints [Lee et al 2016]. Shyr et al [2014] propose a textile strain sensor, made from elastic conductive yarn, to acquire bending angles of elbow and knee movements. [Mattmann et al 2008] and [Lorussi et al 2004] use strain gauges embedded into garments to classify discrete body postures.…”

Section: Related Workmentioning

confidence: 99%

Deformation Capture via Soft and Stretchable Sensor Arrays

et al. 2019

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Fig. 1. Left to right: We propose a method for the fabrication of soft and stretchable silicone based capacitive sensor arrays. The sensor provides dense stretch measurements that, together with a data-driven prior, allow for the capture of surface deformations in real-time and without the need for line-of-sight.We propose a hardware and software pipeline to fabricate flexible wearable sensors and use them to capture deformations without line of sight. Our first contribution is a low-cost fabrication pipeline to embed multiple aligned conductive layers with complex geometries into silicone compounds. Overlapping conductive areas from separate layers form local capacitors that measure dense area changes. Contrary to existing fabrication methods, the proposed technique only requires hardware that is readily available in modern fablabs. While area measurements alone are not enough to reconstruct the full 3D deformation of a surface, they become sufficient when paired with a data-driven prior. A novel semi-automatic tracking algorithm, based on an elastic surface geometry deformation, allows to capture ground-truth data with an optical mocap system, even under heavy occlusions or partially unobservable markers. The resulting dataset is used to train a regressor based on deep neural networks, directly mapping the area readings to global positions of surface vertices. We demonstrate the flexibility and accuracy of the proposed hardware and software in a series of controlled experiments, and design a prototype of wearable wrist, elbow and biceps sensors, which do not require line-of-sight and can be worn below regular clothing.

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“…Fig. 6 The proposed wearable gesture sensing devices for monitoring the flexion angle during (a) elbow and (b) knee movements [32].This image is derivative of A textile-based wearable sensing device designed for monitoring the flexion angle of elbow and knee movements, published in Sensors. Fig.…”

Section: Body Movements and Gesture Recognition With Textile Based Stmentioning

confidence: 99%

“…Textile integrated with conventional strain gauges, as well as strain sensors implemented using special conductive materials/polymers, have been proposed for this purpose [7,12,[29][30][31][32]. Authors in [32] proposed the use of a wearable gesture sensing device which uses fabric based strain sensors (elastic webbing) for monitoring the flexion angle of elbow and knee movements (Fig.…”

Section: Body Movements and Gesture Recognition With Textile Based Stmentioning

confidence: 99%

Strain Sensors in Wearable Devices

Farooq

Sazonov

2015

Smart Sensors, Measurement and Instrumentation

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Abstract. This chapter discusses the use of strain sensors in wearable devices. Strain sensors are used to monitor deformation under applied load. Various techniques for the fabrication of strain sensors are discussed and some example applications are presented. Special focus is placed on textile based and inkjet-printed strain sensors. Textile based strain sensors open new frontiers for wearable systems by integrating sensors into garments which can be used for extended periods of time. Inkjet printing along with conductive inkjet inks provides low cost, efficient, and rapid prototyping solution for implementation of strain sensors in wearable devices. Applications in the area of remote monitoring of physiological signals, vital signs, and human activity are presented.

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A Textile-Based Wearable Sensing Device Designed for Monitoring the Flexion Angle of Elbow and Knee Movements

Cited by 93 publications

References 19 publications

Smart Electronic Textiles

Smart Electronic Textiles

Deformation Capture via Soft and Stretchable Sensor Arrays

Strain Sensors in Wearable Devices

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