Nonlinear modelling and control of heart rate response to treadmill walking exercise

Publisher:
Institute for Systems and Technologies of Information
Publication Type:
Conference Proceeding
Citation:
The First International Conference on Bio-inspired Systems and Signal Processing, 2008, pp. 498 - 503
Issue Date:
2008-01
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In this study, a nonlinear system was developed for the modelling of the heart rate response to treadmill walking exercise. The model is a feedback interconnected system which can represent the neural response and peripheral local response to exercise. The parameters of the model were identified from an experimental study which involved 6 healthy adult male subjects, each completed 3 sets of walking exercise at different speeds. The proposed model will be useful in explaining the cardiovascular response to exercise. Based on the model, a 2-degree-of-freedom controller was developed for the regulation of the heart rate response during exercise. The controller consists of a piecewise LQ and an H infinity controllers. Simulation results showed that the proposed controller had the ability to regulate heart rate at a given target, indicating that the controller can play an important role in the design of exercise protocols for individuals.
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