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TitleTreat me well : affective and physiological feedback for wheelchair users
Author(s)Postolache, Octavian
Girão, Pedro
Ribeiro, Mário
Carvalho, Helder
Catarino, André P.
Postolache, Gabriela
KeywordsAffective computing
Physiological computing
Embedded system
Heart rate variability
Issue dateMay-2012
Abstract(s)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 of the skin conductivity measuring channel, force measurement sensors were attached to the system certifying measuring contact force on the electrode level. Advanced processing including Rwave peak detector, adaptive filtering and autonomic nervous system analysis based on wavelets transform was designed and implemented on a server. A central design of affective recognition and biofeedback system is described.
TypeConference paper
Publisher version
AccessOpen access
Appears in Collections:DET/2C2T - Comunicações em congressos internacionais com arbitragem científica

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