Ultrasonic anemometer for the measurement of respiratory flow in the forced oscillation technique

被引：0
|
作者：
Araujo, Guilherme A. L. [1 ]
Junior, Reginardo T. L. [2 ]
Freire, Raimundo C. S. [2 ]
Silva, Ivan S. S. [1 ]
da Silva, Jose F. [3 ]
Catunda, Yuri S. C. [4 ]
Carvalho, Elyson A. N. [2 ]
机构：
[1] UFPA CT DEEC, Rua Augusto Correa 01, BR-66075900 Belem, Para, Brazil
[2] UFCG DEE LIMC, BR-58109970 Campina Grande, Paraiba, Brazil
[3] UFPB CT DTM, BR-58051970 Joao Pessoa, Paraiba, Brazil
[4] UFMA CT DEE, BR-65080040 Sao Luis, Brazil
来源：
MEMEA 2007: SECOND - IEEE INTERNATIONAL WORKSHOP ON MEDICAL MEASUREMENT AND APPLICATIONS | 2007年
关键词：
respiratory flow; ultrasonic anemometer; forced oscillations technique;
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
In this paper it is proposed a method to the measurement of respiratory flow in the forced oscillations technique (FOT) using an ultrasonic anemometer. It is used the transit time method and the phase difference technique with the measurements of the phase angle between the signal at the transmission and at the receiver to detect changes in the transit time due to flow. The ultrasonic anemometer implementation is based on a microcontroller. The experimental results of the tests with the comparison among this flowmeter and a classical pneumotachometer used in the FOT for flow measurement will are presented
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页码：3 / +
页数：2
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