An adaptive PI algorithm for regulation of blood pressure of hypertension patients
by K.Y. Zhu, U. Rajendra Acharya, C.M. Lim
International Journal of Modelling, Identification and Control (IJMIC), Vol. 13, No. 1/2, 2011

Abstract: It is known that postsurgical hypertension is common in cardiac patients and untreated hypertension patients and may result in complications. To prevent this side effect, regulation of the blood pressure for this kind of patient is necessary. The aim of an automatic drug control system is to quickly reduce the oscillatory change in mean blood pressure through infusion of sodium nitroprusside (SNP). In this paper, a new adaptive PI algorithm updating variations in time-delay and sensitivity of the patient is proposed and its effectiveness is analysed in detail. Simulation under clinical conditions is also carried out and the results show that this control system can handle the changes in patient's dynamics.

Online publication date: Sat, 21-Mar-2015

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