Title :
Intelligent sensor for a photoplethysmograph using virtual instrumentation
Author :
Pahlang, M. ; Zahedi, Edmond ; Ali, Mohd Alauddin Bin Mohd
Author_Institution :
Dept. of Electr., Electron. & Syst. Eng., Universiti Kebangsaan Malaysia, Bangi, Malaysia
Abstract :
This paper present an intelligent sensor for a photoplethysmograph (PPG) using a virtual instrumentation. The photoplethysmograph is noninvasively obtained electro-optical signal widely used in the study and monitoring of the pulsations associated with changes in blood volume in a peripheral vascular bed. A smart sensor, which is an analogue circuit with LED driver, photodetector, amplifier, and low pass filter, is implemented to measure the PPG.
Keywords :
biomedical transducers; intelligent sensors; light emitting diodes; photodetectors; plethysmography; virtual instrumentation; LED driver; analogue circuit; blood volume; electro-optical signal; intelligent sensor; low pass filter; peripheral vascular bed; photodetector; photoplethysmograph; pulsations monitoring; smart sensor; virtual instrumentation; Blood; Instruments; Intelligent sensors; Light emitting diodes; Monitoring; Photodetectors; Signal processing; Signal to noise ratio; Systems engineering and theory; Volume measurement;
Conference_Titel :
Biomedical Engineering, 2003. IEEE EMBS Asian-Pacific Conference on
Print_ISBN :
0-7803-7943-8
DOI :
10.1109/APBME.2003.1302714
