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The paper presents a smart sensing system for health monitoring based on the IEEE 1451 standard. The system makes use of smart transducer interfaces, namely the 1451.1 information model and 1451.4 transducer data sheets. Attention is given to the implementation of the 1451.1 information model using the .NET Framework, including the customization efforts to meet the requirements of a specific application,...
Ballistocardiogram, capacitive electrocardiogram, and photoplethysmogram (PPG) sensors were embedded in a wheelchair together with a digital signal processor (DSP) with Wi-Fi capabilities. This setup allows monitoring of some homeostasis parameters of the wheelchair user, namely heart rate (HR), pulse arrival and transit times, and oxygen saturation (SpO2). Ten subjects tested the wheelchair capabilities...
This work reports a electrocardiograph and skin conductivity hardware architecture, based on E-textile electrodes, attached to a wheelchair for affective and physiological computing. Appropriate conditioning circuits and a microcontroller platform that performs acquisition, primary processing, and communication using Bluetooth were designed and implemented. To increase the accuracy and repeatability...
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