Assessing determinism of photo-plethysmographic signal

A study was performed to analyze the signal obtained from a noninvasive photo-plethysmographic device from four subjects in different clinical conditions. With the help of the theory of nonlinear dynamics, it is verified that the cardiovascular dynamics is dominated by an underlying chaotic attracto...

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Published inIEEE transactions on systems, man and cybernetics. Part A, Systems and humans Vol. 29; no. 4; pp. 406 - 410
Main Authors Bhattacharya, J., Kanjilal, P.P.
Format Journal Article
LanguageEnglish
Published IEEE 01.07.1999
Subjects
Automatic control
Cardiovascular system
Chaos theory
Computational efficiency
Computational methods
Control system synthesis
Cybernetics
Dynamical systems
Dynamics
Flexible manufacturing systems
Human
Manufacturing automation
Manufacturing systems
Merging
Nonlinear dynamics
Petri nets
Robotics and automation
Stability
System recovery
Time series
Time series analysis
Virtual manufacturing
Waveform analysis
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Summary:A study was performed to analyze the signal obtained from a noninvasive photo-plethysmographic device from four subjects in different clinical conditions. With the help of the theory of nonlinear dynamics, it is verified that the cardiovascular dynamics is dominated by an underlying chaotic attractor. A new robust and computationally efficient method is presented for the detection of the hidden deterministic structure of a time series. It is shown that the degree of chaos as well as the underlying determinism is directly related to the subject's clinical stability.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1083-4427
1558-2426
DOI:10.1109/3468.769760