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Wearable Biomedical Measurement Systems for Assessment of Mental Stress of Combatants in Real Time
KTH, School of Technology and Health (STH), Medical Engineering, Medical sensors, signals and systems.ORCID iD: 0000-0002-6995-967X
KTH, School of Technology and Health (STH), Medical Engineering, Medical sensors, signals and systems.
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2014 (English)In: Sensors, ISSN 1424-8220, E-ISSN 1424-8220, Vol. 14, no 4, 7120-7141 p.Article in journal (Refereed) Published
Abstract [en]

The Spanish Ministry of Defense, through its Future Combatant program, has sought to develop technology aids with the aim of extending combatants' operational capabilities. Within this framework the ATREC project funded by the Coincidente program aims at analyzing diverse biometrics to assess by real time monitoring the stress levels of combatants. This project combines multidisciplinary disciplines and fields, including wearable instrumentation, textile technology, signal processing, pattern recognition and psychological analysis of the obtained information. In this work the ATREC project is described, including the different execution phases, the wearable biomedical measurement systems, the experimental setup, the biomedical signal analysis and speech processing performed. The preliminary results obtained from the data analysis collected during the first phase of the project are presented, indicating the good classification performance exhibited when using features obtained from electrocardiographic recordings and electrical bioimpedance measurements from the thorax. These results suggest that cardiac and respiration activity offer better biomarkers for assessment of stress than speech, galvanic skin response or skin temperature when recorded with wearable biomedical measurement systems.

Place, publisher, year, edition, pages
2014. Vol. 14, no 4, 7120-7141 p.
Keyword [en]
bioimpedance, GSR, heart rate, mental stress, non-invasive measurements, textile electrodes, speech analysis, multimodal signal processing
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:kth:diva-147966DOI: 10.3390/s140407120ISI: 000336784600077Scopus ID: 2-s2.0-84927172992OAI: oai:DiVA.org:kth-147966DiVA: diva2:733594
Note

QC 20140710

Available from: 2014-07-10 Created: 2014-07-10 Last updated: 2017-12-05Bibliographically approved
In thesis
1. Modular textile-enabled bioimpedance system for personalized health monitoring applications
Open this publication in new window or tab >>Modular textile-enabled bioimpedance system for personalized health monitoring applications
2017 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

A growing number of factors, including costs, technological advancements, ageing populations, and medical errors, are leading industrialized countries to invest in research on alternative solutions to improve their health-care systems and increase patients’ quality of life. Personal health systems (PHS) examplify the use of information and communication technologies that enable a paradigm shift from the traditional hospital-centered healthcare delivery model toward a preventive and person-centered approach. PHS offer the means to monitor a patient’s health using wearable, portable or implantable systems that offer ubiquitous, unobtrusive biodata

acquisition, allowing remote monitoring of treatment and access to the patient’s status. Electrical bioimpedance (EBI) technology is non-invasive, quick and relatively affordable technique that can be used for assessing and monitoring different health conditions, e.g., body composition assessments for nutrition. When combined with state-of-the-art advances in sensors and textiles, EBI technologies are fostering the implementation of wearable bioimpedance monitors that use functional garments for personalized healthcare applications. This research work is

focused on the development of wearable EBI-based monitoring systems for ubiquitous health monitoring applications. The monitoring systems are built upon portable monitoring instrumentation and custom-made textile electrode garments.

Portable EBI-based monitors have been developed using the latest material technology and advances in system-on-chip technology. For instance, a portable EBI spectrometer has been validated against a commercial spectrometer for total body composition assessment using functional textile electrode garments. The development of wearable EBI-based monitoring units using functional garments and dry textile electrodes for body composition assessment and respiratory monitoring has been shown to be a feasible approach. The availability of these measurement systems indicates progress toward the real implementation of personalized healthcare systems.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2017. 89 p.
Series
TRITA-STH, 2017:6
Keyword
personal healthcare system, electrical bioimpedance, wearable sensors, pervasive monitoring, portable monitoring, body composition, chronic kidney disease, wireless sensor, ubiquitous, instrumentation
National Category
Medical Laboratory and Measurements Technologies
Research subject
Technology and Health
Identifiers
urn:nbn:se:kth:diva-207135 (URN)978-91-7729-377-4 (ISBN)
Public defence
2017-06-02, M402, Allégatan 1, Borås, 10:00 (English)
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Supervisors
Note

QC 20170517

Available from: 2017-05-17 Created: 2017-05-17 Last updated: 2017-05-17Bibliographically approved

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Seoane, Fernando

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