Teensy 마이크로 컨트롤러 기반 산소 유량 제어기 개발 및 성능평가Development and Evaluation of a Teensy Microcontroller-based O2 Mass Flow Controller
- Other Titles
- Development and Evaluation of a Teensy Microcontroller-based O2 Mass Flow Controller
- Authors
- 유민상; 장연숙; 김무환; 조성보
- Issue Date
- Aug-2021
- Publisher
- 대한의용생체공학회
- Keywords
- COVID-19; Mass flow controller; Respirator; Oxygen; Microcontroller
- Citation
- 의공학회지, v.42, no.4, pp.193 - 200
- Journal Title
- 의공학회지
- Volume
- 42
- Number
- 4
- Start Page
- 193
- End Page
- 200
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/82001
- ISSN
- 1229-0807
- Abstract
- Flowmeter and oxygen sensors are listed in COVID-19 essential medical devices. This article reports a Teensy microcontroller-based Oxygen mass flow controller (MFC), core part of the oxygen respirator or extracor- poreal membrane oxygenation (ECMO). The developed MFC consisting of the microcontroller, MEMS flow sensor, and solenoid valve was able to accurately control 0 to 100 sccm of oxygen flow rate. The pressure of vacuum chamber increased proportionally to the flow rate (0.998 of Pearson correlation coefficient). The experimental results proved that the developed MFC exhibits comparable performance to a commercial MFC in accuracy, settling time, linearity with pressure, and repeatability of oxygen mass flow control. It is expected that this simple and cheap MFC is utilized for oxygen therapy against the severe acute respiratory syndrome coronavirus 2.
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Collections - IT융합대학 > 전자공학과 > 1. Journal Articles
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