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Current Directions in Biomedical Engineering

Joint Journal of the German Society for Biomedical Engineering in VDE and the Austrian and Swiss Societies for Biomedical Engineering

Editor-in-Chief: Dössel, Olaf

Editorial Board: Augat, Peter / Buzug, Thorsten M. / Haueisen, Jens / Jockenhoevel, Stefan / Knaup-Gregori, Petra / Kraft, Marc / Lenarz, Thomas / Leonhardt, Steffen / Malberg, Hagen / Penzel, Thomas / Plank, Gernot / Radermacher, Klaus M. / Schkommodau, Erik / Stieglitz, Thomas / Urban, Gerald A.

CiteScore 2018: 0.47

Source Normalized Impact per Paper (SNIP) 2018: 0.377

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Application of Iterative Learning Control for Repetitive Processes in Breathing Therapy

Mathias Scheel
  • Corresponding author
  • HOFFRICHTER GmbH, Mettenheimerstraße 12, Schwerin, Deutschland, e-mail: Scheel@hoffrichter.de, Automation and Mechatronics Group - Hochschule Wismar, Philipp-Müller-Straße 14, Wismar, Deutschland
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/ Andreas Berndt
  • HOFFRICHTER GmbH, Schwerin, Deutschland Olaf Simanski, Automation and Mechatronics Group - Hochschule Wismar, Wismar, Deutschland
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Published Online: 2018-09-22 | DOI: https://doi.org/10.1515/cdbme-2018-0006


The continuous positive airway pressure (CPAP) therapy is the gold standard to treat the obstructive sleep apnoea syndrome. This continuous pressure splints the upper respiratory tracts and prevents a collapse of the pharynx. If not being treated a collapse of the upper respiratory tracts reduces the blood oxygen concentration and increases the CO2 concentration leading to repeated sleep disruptions. Many CPAP-devices cannot maintain the reference pressure, which can lead to an uncomfortable perception for the patient. To reduce the pressure deviation in the mask we want to apply the Iterative Learning Control (ILC) method, because the breathing of the patient is a repetitive process - and at night the breathing patterns are even and recurring from breath to breath.

Keywords: breathing therapy; repetitive processes; CPAP; control design; iterative learning control; ASL 5000

About the article

Published Online: 2018-09-22

Published in Print: 2018-09-01

Citation Information: Current Directions in Biomedical Engineering, Volume 4, Issue 1, Pages 21–24, ISSN (Online) 2364-5504, DOI: https://doi.org/10.1515/cdbme-2018-0006.

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