NDLI: Feedback Control of an LVAD Supporting a Failing Cardiovascular System Regulated by the Baroreflex

Content Provider	IEEE Xplore Digital Library
Author	Shaohui Chen Ferreira, A. Simaan, M.A. Boston, J.R. Antaki, J.F.
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. Eng., Pittsburgh Univ., PA (Shaohui Chen; Ferreira, A.; Simaan, M.A.; Boston, J.R.)
Abstract	The baroreflex is an internal feedback mechanism that stabilizes the blood pressure in the circulatory system. Its function in patients with congestive heart failure is preserved fairly well. When these patients are implanted with a left ventricular assist device (LVAD), the baroreflex plays an important role in interacting with the controller that regulates the pump speed. In this paper, we consider a combined model of the cardiovascular system, the baroreflex mechanism, and an LVAD. We present results that will describe the interaction mechanisms between these three subsystems. We then propose a feedback controller for the LVAD which automatically adjust its speed based on the systemic vascular resistance (SVR) and heart rate (HR) under varying patient conditions. Simulation results show that the combined model is capable of reproducing human responses to exercise and the proposed controller is able to respond to change in physiological state of patients with heart failure
Starting Page	655
Ending Page	660
File Size	6165436
Page Count	6
File Format	PDF
ISBN	1424401712
DOI	10.1109/CDC.2006.377383
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-12-13
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Feedback control Cardiovascular system Baroreflex Automatic control Heart rate Blood pressure Circulatory system Adaptive control Immune system Humans
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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