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International Journal of Advanced Computer Research (IJACR)

ISSN (Print):2249-7277    ISSN (Online):2277-7970
Volume-9 Issue-42 May-2019
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Paper Title : Design of adaptive neuro sliding mode controller for anesthesia drug delivery based on biogeography based optimization
Author Name : Layla H. Abood, Ekhlas H. Karam and Abbas H. Issa
Abstract :

Monitoring depth of anesthesia (DOA) is a significant point in general anesthesia (GA). It can be obtained from the assessment of the drug dose carefully and preciously. As a benefit of drug delivery automation, closed-loop method will present several advantages. It may prevent excessive dose amount or less needed dose and the controlled feedback system can decrease the cost of the healthcare by reducing the patient recovery period. This paper addresses the use of adaptive sliding mode controllers (ASMC) for calculating the depth of anesthesia by administrating a dose of propofol drug and measure patient state according to the monitoring device the bispectral index (BIS). In this study, we suggest a simple nonlinear control strategy consists of an ASMC combined with single neuron self-tune neural controller. It is used for maintaining DOA and reducing the effect of the nonlinear element. The adaptive controller uses the BIS value measured as a reference tracking value and propofol dose rate as a control signal. The parameters of the controller are tuned using a procedure based on the biogeography-based optimization (BBO) algorithm. The results indicate that including adaptive parts of the controller and tune its gains needed by BBO algorithm may enable optimal and stable performance for controller for all patients. It also provides fast reach to the induction phase and stay in a stable value in maintenance phase, which reflects the efficient response of the suggested controller if it compared to other nonlinear controllers. It is also justified by the results obtained that the suggested controller gives a very good response.

Keywords : Depth of anesthesia (DOA), Pharmacokinetics/pharmacodynamics model (PKPD), Adaptive sliding mode control (ASMC), Bispectral index (BIS), Biogeography based optimization (BBO).
Cite this article : Abood LH, Karam EH, Issa AH. Design of adaptive neuro sliding mode controller for anesthesia drug delivery based on biogeography based optimization. International Journal of Advanced Computer Research. 2019; 9(42):146-155. DOI:10.19101/IJACR.2018.839037 .
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