On Heart Rate Regulation in Cycle-Ergometer Exercise

Argha, A; Su, SW; Lee, S; Nguyen, HT; Celler, BG

On Heart Rate Regulation in Cycle-Ergometer Exercise

Argha, A Su, SW Lee, S Nguyen, HT Celler, BG

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Publisher:: IEEE
Publication Type:: Conference
Citation:: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6944350, 2014, pp. 3390 - 3393
Issue Date:: 2014

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Field	Value	Language
dc.contributor.author	Argha, A
dc.contributor.author	Su, SW
dc.contributor.author	Lee, S
dc.contributor.author	Nguyen, HT
dc.contributor.author	Celler, BG
dc.date	2014-08-26
dc.date.accessioned	2015-01-16T01:00:43Z
dc.date.issued	2014
dc.identifier.citation	http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6944350, 2014, pp. 3390 - 3393
dc.identifier.isbn	978-1-4244-7929-0
dc.identifier.uri	http://hdl.handle.net/10453/31797
dc.description.abstract	In this paper, we have focused on the issue of regulating the human heart rate (HR) to a predefined reference trajectory, especially for cycle-ergometer exercise used for training or rehabilitation. As measuring HR is relatively easy compared to exercise intensity, it has been used in the wide range of training programs. The aim of this paper is to develop a non-model-based control strategy using proportional, integral and derivative (PID) controller/relay controller to regulate the HR to track a desired trajectory. In the case of using PID controller, the controller output signal is interpreted as a voice or auditory command, referred to as biofeedback, which can be heard by the exercising subject as a part of the controlloop. Alternatively, the relay controller output signals can be converted to some special words which can be recognised by the exerciser. However, in both cases, to effectively communicate to the user a change in exercise intensity, the timing of this feedback signal relative to the positions of the pedals becomes quite critical. A feedback signal delivered when the pedals are not in a suitable position to efficiently exert force may be ineffective and may lead to a cognitive disengagement of the user form the feedback controller. In this paper we examine the need and the consequence of synchronising the delivery of the feedback signal with an optimal and user specific placement of the pedal.
dc.format	Biomedical, Control engineering
dc.publisher	IEEE
dc.relation.ispartof	The 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC’14)
dc.relation.ispartof	http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6944350
dc.relation.isbasedon	10.1109/EMBC.2014.6944350
dc.relation.isreplacedby	10453/37946
dc.relation.isreplacedby	http://hdl.handle.net/10453/37946
dc.rights	© 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.	en_US
dc.title	On Heart Rate Regulation in Cycle-Ergometer Exercise
dc.type	Conference
dc.location.activity	Chicago USA
pubs.embargo.period	Not known
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Elec, Mech and Mechatronic Systems
pubs.organisational-group	/University of Technology Sydney/Strength - Health Technologies
pubs.organisational-group	/University of Technology Sydney/Students
utslib.copyright.status	open_access
pubs.declined	1970-01-01T00:00:00.0+1000
pubs.consider-herdc	true
pubs.merge-to	10453/37946
pubs.merge-to	http://hdl.handle.net/10453/37946
pubs.deleted	1970-01-01T00:00:00.0+1000

Abstract:

In this paper, we have focused on the issue of regulating the human heart rate (HR) to a predefined reference trajectory, especially for cycle-ergometer exercise used for training or rehabilitation. As measuring HR is relatively easy compared to exercise intensity, it has been used in the wide range of training programs. The aim of this paper is to develop a non-model-based control strategy using proportional, integral and derivative (PID) controller/relay controller to regulate the HR to track a desired trajectory. In the case of using PID controller, the controller output signal is interpreted as a voice or auditory command, referred to as biofeedback, which can be heard by the exercising subject as a part of the controlloop. Alternatively, the relay controller output signals can be converted to some special words which can be recognised by the exerciser. However, in both cases, to effectively communicate to the user a change in exercise intensity, the timing of this feedback signal relative to the positions of the pedals becomes quite critical. A feedback signal delivered when the pedals are not in a suitable position to efficiently exert force may be ineffective and may lead to a cognitive disengagement of the user form the feedback controller. In this paper we examine the need and the consequence of synchronising the delivery of the feedback signal with an optimal and user specific placement of the pedal.

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http://hdl.handle.net/10453/31797