Development and application of pilot hypoxia endurance testing system
10.19745/j.1003-8868.2025177
- VernacularTitle:飞行员缺氧耐力检查系统的研制与应用
- Author:
Lin-xia LI
1
;
Guo-yun MAO
;
Ming-rui HU
;
Jia-ling XU
;
Yao-xuan JI
;
Na ZHI
;
Yan-qing BAI
;
Yun-ying WANG
Author Information
1. 空军军医大学航空航天医学系航空航天生理学教研室,西安 710032
- Publication Type:Journal Article
- Keywords:
pilot;
hypoxia endurance testing;
aviation physiological training;
acute high-altitude hypoxia;
flight safety
- From:
Chinese Medical Equipment Journal
2025;46(10):23-28
- CountryChina
- Language:Chinese
-
Abstract:
Objective To develop a hypoxia endurance testing system for aviation physiological training of pilots.Methods The hypoxia endurance testing system comprised a low-oxygen mixed gas generator,a pressurization system for low-oxygen mixed gas and a personal breathing apparatus.The low-oxygen mixed gas generator consisted of a main unit composed of an air compressor,a filter,a buffer tank,polymer membrane,a control module,sensors and regulators,wire cables,supporting hoses,etc.;the pressurization system for low-oxygen mixed gas was made up of a protective box,a cooling fan,a motor and a driver,a control module,a solenoid valve,a convergence block,a pressure gauge,etc.;the personal breating apparatus was composed of a gas cylinder,a pressure reducer,an oxygen supply regulator,etc.Forty-eight subjects were selected for hypoxia exposure tests to verify the effectiveness of the system.Results The system developed had the functions of low-oxygen gas preparation,pressurized filling and hypoxia experiment,and the experimental results indicated the acute hypoxia exposure by the system significantly caused signs and symptoms of hypoxia and weakened physiological functions.Conclusion The system developed gains advantages in high accuracy of gas volume fraction control,safety and remarkable effect of simulated hypoxia,and can be an effective tool for acute high-altitude hypoxia testing and training of pilots.[Chinese Medical Equipment Journal,2025,46(10):23-28]
