A connected chair as part of a smart home environment

Hesse, Marc; Krause, André Frank; Vogel, Ludwig; Chamadiya, Bhavin; Schilling, Michael; Schack, Thomas; Jungeblut, Thorsten

doi:10.1109/bsn.2017.7936004

Cited by 7 publications

(1 citation statement)

References 13 publications

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“…Therefore, with sensors embedded on a regular chair, there are valuable opportunities to monitor and analyze daily activities and health parameters of people. For example, Hesse et al [ 11 ] developed a chair with integrated force sensitive resistors, radar sensor and actuators. It is able to improve the subject’s well-being by offering qualified fitness training, relaxation mode and assistive functions.…”

Section: Introductionmentioning

confidence: 99%

Capturing Electrocardiogram Signals from Chairs by Multiple Capacitively Coupled Unipolar Electrodes

Hou

Xiang

Dong

et al. 2018

Sensors

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A prototype of an electrocardiogram (ECG) signal acquisition system with multiple unipolar capacitively coupled electrodes is designed and experimentally tested. Capacitively coupled electrodes made of a standard printed circuit board (PCB) are used as the sensing electrodes. Different from the conventional measurement schematics, where one single lead ECG signal is acquired from a pair of sensing electrodes, the sensing electrodes in our approaches operate in a unipolar mode, i.e., the biopotential signals picked up by each sensing electrodes are amplified and sampled separately. Four unipolar electrodes are mounted on the backrest of a regular chair and therefore four channel of signals containing ECG information are sampled and processed. It is found that the qualities of ECG signal contained in the four channel are different from each other. In order to pick up the ECG signal, an index for quality evaluation, as well as for aggregation of multiple signals, is proposed based on phase space reconstruction. Experimental tests are carried out while subjects sitting on the chair and clothed. The results indicate that the ECG signals can be reliably obtained in such a unipolar way.

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Section: Introductionmentioning

confidence: 99%