Modelling of chest wall motion for cardiorespiratory activity for radar‐based NCVS systems

Anuradha Singh, Saeed Ur Rehman, Sira Yongchareon, Peter Han Joo Chong

Research output: Contribution to journalLetterpeer-review

2 Citations (Scopus)
6 Downloads (Pure)


Chest wall motion can provide information on critical vital signs, including respiration and heartbeat. Mathematical modelling of chest wall motion can reduce an extensive requirement of human testing in the development of many biomedical applications. In this paper, we propose a mathematical model that simulates a chest wall motion due to cardiorespiratory activity. Chest wall motion due to respiration is simulated based on the optimal chemical–mechanical respiratory control‐based mechanics. The theory of relaxation oscillation system is applied to model the motion due to cardiac activity. The proposed mathematical chest wall model can be utilized in designing and optimizing different design parameters for radar‐based non‐contact vital sign (NCVS) systems.

Original languageEnglish
Article number5094
Number of pages13
JournalSensors (Switzerland)
Issue number18
Publication statusPublished - Sep 2020

Bibliographical note

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (


  • Cardiac
  • Chest wall motion
  • Mathematical modelling
  • Respiration
  • Simulation


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