Electronic textiles: a platform for pervasive computing

Marculescu, D.; Marculescu, R.; Zamora,; Stanley-Marbell, Phillip; Park, Khosla; Jung, Jayaraman; Weber, L.; Cottet, K.; Grzyb,; Troster,; Jones, Jones; Martin, Shawn; Nakad,

doi:10.1109/jproc.2003.819607

Cited by 46 publications

(48 citation statements)

References 9 publications

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“…It can implement a cable-less wearable computing system for the specified applications, but it is impossible to arrange the layout of devices. The electromagnetic shield effect is also proposed in this system [10], but the quantitative evaluation and implementation are not performed.…”

Section: Related Work On Wearable Network Systemmentioning

confidence: 99%

Wearable electromyography measurement system using cable-free network system on conductive fabric

Akita

Shinmura

Shimamoto

et al. 2008

Artificial Intelligence in Medicine

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SummaryObjective: To solve the complicated wires and battery maintainance problems in the application of werarable computing for biomedical monitoring, the electromyography (EMG) measurement system using conductive fabric for power supply and electric shield for noise reduction is proposed.Material and Methods: The basic cable-free network system using conductive fabric, named as "TextileNet" is developed. The conductive fabric has the function of electic shield for noise reduction in EMG measurement, and it enables the precise EMG measurement with wearable system.Results: The specifications of the developed prototype TextileNet system using wear with conductive fabric were communication speed of 9600 bit per second and power supply of 3W for each device. The electric shield effect was evaluated for precise EMG measurement, and the shield efficacy of conductive fabric was estimated as high as that of shield room.Conclusions: TextileNet system solves both the problems of complicated wires and battery maintainance in wearable computing systems. Conductive fabric * Phone: +81-76-234-4864, FAX:+81-76-264-6404, E-mail:akita@is.t.kanazawau.ac.jp Preprint submitted to Elsevier 24 November 2007 used in TextileNet system is also effective for precise EMG measurement as electric shield. The combination of TextileNet system and EMG measurement device will implement the cable-free, battery-free wearable EMG measurement system.

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Section: Related Work On Wearable Network Systemmentioning

confidence: 99%

Wearable electromyography measurement system using cable-free network system on conductive fabric

Akita

Shinmura

Shimamoto

et al. 2008

Artificial Intelligence in Medicine

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“…The size-reduction achieved with these modules, make them suitable to be easily plugged in the WES, according the interest of the medical doctors. Conventional applications of electronic shirts uses wires to connect the sensors to a central unit, and then to make the RF communication to the external base-station (Marculescu et al, 2003). An interesting application and an easy way to implement wireless buses, is using modules able to communicate between them and between the base-station.…”

Section: Wireless Electronic Shirtmentioning

confidence: 99%

A 2.4 GHZ Wireless Electronic Shirt for Vital Signals Monitoring

Carmo

Mendes²,

Couto³

et al. 2008

Proceedings of the First International Conference on Biomedical Electronics and Devices

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Abstract:This paper presents a wireless sensor network for wireless electronic shirts. This allows the monitoring of individual biomedical data, such as the cardio-respiratory function. The solution chosen to transmit the body's measured signals for further processing was the use of a wireless link, working at the 2.4 GHz ISM band. A radio-frequency (RF) CMOS transceiver chip was designed in the UMC RF 0.18 μm CMOS process. The power supply of the RF CMOS transceiver is of only 1.5 V, thus it can be supplied by a single coin-sized battery. The receiver has a sensibility of -60 dBm and consumes 6.2 mW. The transmitter delivers an output power of 0 dBm with a power consumption of 15.6 mW. Innovative topics concerning efficient power management was taken into account during the design of the RF CMOS transceiver.

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“…To manufacture such components on textile substrates, deposition of multiple layers with different functionalities is required. In this respect, manufacturing techniques from the electronics industry need to be adapted to the textile substrate's versatile properties, such as flexibility or elasticity [4][5][6][7] and surfaces with curvature. Many filaments are of cylindrical shape, if materials are deposited onto this threedimensional body, they respond to the curvature in different ways regarding, e.g.…”

Section: Introductionmentioning

confidence: 99%

Surface Morphology of Polyimide Thin Film Dip-Coated on Polyester Filament for Dielectric Layer in Fibrous Organic Field Effect Transistor

Rambausek

Bruneel

Driessche

et al. 2014

Autex Research Journal

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The idea of wearable electronics automatically leads to the concept of integrating electronic functions on textile substrates. Since this substrate type implies certain challenges in comparison with their rigid electronic companions, it is of utmost importance to investigate the application of materials for generating the electronic functions on the textile substrate. Only when interaction of materials and textile substrate is fully understood, the electronic function can be generated on the textile without changing the textile’s properties, being flexible or stretchable. This research deals with the optimization of the dielectric layer in a fibrous organic field effect transistor (OFET). A transistor can act as an electrical switch in a circuit. In this work, the polyimide layer was dip-coated on a copper-coated polyester filament. After thoroughly investigating the process conditions, best results with minimal thickness and roughness at full insulation could be achieved at a dip-coating speed of 50 mm/min. The polyimide solution was optimal at 15w% and the choice for the solvent NMP was made. In this paper, details on the pre-treatment methods, choice of solvent and dip-coating speed and their effect on layer morphology and thickness, electrical properties and roughness are reported. Results show that the use of polyimide as a dielectric layer in the architecture of a fibrous OFET is promising. Further research deals with the application of the semiconductor layer within the mentioned architecture, to finally build an OFET on a filament for application in smart textiles.

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Electronic textiles: a platform for pervasive computing

Abstract: The invention of the Jacquard weaving machine led to the concept of a stored "program" and "mechanized" binary information

Cited by 46 publications

References 9 publications

Wearable electromyography measurement system using cable-free network system on conductive fabric

Wearable electromyography measurement system using cable-free network system on conductive fabric

A 2.4 GHZ Wireless Electronic Shirt for Vital Signals Monitoring

Surface Morphology of Polyimide Thin Film Dip-Coated on Polyester Filament for Dielectric Layer in Fibrous Organic Field Effect Transistor

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