Faculté des Sciences appliquées
Faculté des Sciences appliquées

Design and implementation of a contactless ECG acquisition system

Sadighiani, Irien ULiège
Promotor(s) : Redouté, Jean-Michel ULiège
Date of defense : 9-Sep-2019/10-Sep-2019 • Permalink :
Title : Design and implementation of a contactless ECG acquisition system
Author : Sadighiani, Irien ULiège
Date of defense  : 9-Sep-2019/10-Sep-2019
Advisor(s) : Redouté, Jean-Michel ULiège
Committee's member(s) : Vanderbemden, Philippe ULiège
Drion, Guillaume ULiège
Language : English
Discipline(s) : Engineering, computing & technology > Electrical & electronics engineering
Target public : Student
Institution(s) : Université de Liège, Liège, Belgique
Degree: Master : ingénieur civil électricien, à finalité spécialisée en "electronic systems and devices"
Faculty: Master thesis of the Faculté des Sciences appliquées


[fr] The measurement of signals from human body is achieved usually through the use of electrodes in direct contact with skin. Typically, these measurements are performed using Ag/AgCl electrodes with conductive gels or dry contact electrodes in direct contact with skin. In recent years, non-contact electrodes have been considered as an alternative option offer several benefits such as stability over time in long-term monitoring applications, the ability to make the signal monitoring more comfortable for the patient and it does not require the presence of qualified medical staff.
The aim of this thesis is to design and implement a contactless sensory system for the detection of ECG signals. The approach is based on a coupling with human body performed by electrodes integrated in a front-end circuit, detects changes of electric charge that are related to cardio muscle activity. The signal from the human body generally characterized by low intensity and narrow bandwidth, and also the electrodes do not perfectly transmit the signal and distort the signals slightly. Therefore, due to the presence of other undesired signals suitable amplifications and analogue filters are required in order to obtaining a clear signal.



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  • Sadighiani, Irien ULiège Université de Liège > Master ingé. civ. électr., à fin.


Committee's member(s)

  • Vanderbemden, Philippe ULiège Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Capteurs et systèmes de mesures électriques
    ORBi View his publications on ORBi
  • Drion, Guillaume ULiège Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
    ORBi View his publications on ORBi
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