Control Module Design for a Continuous Positive Airway Pressure Ventilator

Min Dai; Zhi Sheng Zhang; Zhi Gang Liu; Dong Fu Yin

doi:10.4028/www.scientific.net/AMM.321-324.1657

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 321-324Control Module Design for a Continuous Positive...

Control Module Design for a Continuous Positive Airway Pressure Ventilator

Abstract:

Continuous positive airway pressure (CPAP) ventilator is an effective treatment device for obstructive sleep apnea syndrome (OSAS). A new control-module design for CPAP ventilator is discussed in this paper. The key technologies, which have improved the performance and reliability of the equipment, such as AVR-based module control, high-precision air pressure detection, improved digital PID control algorithm and smart motor-drive regulation, are described. As indicated by the results from our experiments, the proposed design promises a stable output pressure of the ventilator, the error being less than 0.5cmH₂O.

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Periodical:

Applied Mechanics and Materials (Volumes 321-324)

Pages:

1657-1661

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.321-324.1657

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Online since:

June 2013

Authors:

Min Dai, Zhi Sheng Zhang, Zhi Gang Liu, Dong Fu Yin

Keywords:

AVR Microcontroller, Control Module, CPAP Ventilator, Digital PID Algorithm

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