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目的目前，抗荷正压呼吸（ＰＢＧ）系统已在第三代战斗机上装备使用，并将在第四代战斗机上装备使用，存在的问题是各国所采用的ＰＢＧ压力制度具有较大差异。采用何种ＰＢＧ压力制度最佳，尚无定论。本研究将对１．６ｋＰａ／Ｇ、２．４ｋＰａ／Ｇ及３．２ｋＰａ／Ｇ三种压力制度ＰＢＧ的抗荷性能及受试者的主观感觉进行评价，以选出与大覆盖面抗荷服相配套的ＰＢＧ系统中最佳的ＰＢＧ压力制度。方法５名受试者穿ＧＺ－２抗荷服、中囊代偿背心，在快增长率（３．０Ｇ／ｓ）离心机＋ＧＺ暴露时分别进行了１．６ｋＰａ／Ｇ、２．４ｋＰａ／Ｇ及３．２ｋＰａ／Ｇ三种压力制度ＰＢＧ实验。分别测定了三种压力制度ＰＢＧ的抗荷性能，并对主观感觉进行评分。结果受试者穿抗荷服进行１．６ｋＰａ／Ｇ、２．４ｋＰａ／Ｇ、３．２ｋＰａ／Ｇ三种压力制度ＰＢＧ的＋ＧＺ耐力分别达到（８．１０±０．１４）ＧＺ、（８．５４±０．０５）ＧＺ及（８．５６±０．１３）ＧＺ，三者的抗荷性能分别为（２．００±０．３１）ＧＺ、（２．５４±０．３２）ＧＺ及（２．４４±０．３１）Ｇｚ；主观感觉评分表明，２．４ｋＰａ／Ｇ压力制度ＰＢＧ优于其它二者。结论ＰＢＧ系统的压力制度以采用２．４ｋＰａ／Ｇ为最佳。这?
OBJECTIVE: Currently, PBG system has been equipped on the third generation of fighter jets and will be equipped on the fourth generation of fighter jets. The existing problem is that the PBG pressure system used in various countries has great differences. What kind of PBG pressure system is the best, there is no conclusion. In this study, the anti-charge performance of PBG under 1.6kPa / G, 2.4kPa / G and 3.2kPa / G and the subjective feeling of the subjects were evaluated to select the best anti-wear clothing PBG system supporting the best PBG pressure system. Methods Five subjects were challenged with anti-GZ-2 anti-drug and medium-sac compensated vests and were subjected to 1.6kPa / G and 2.4kPa / G respectively when the rapid growth rate (3.0G / And 3.2kPa / G PBG three pressure system experiments. The anti-load properties of PBG were measured and the subjective feeling was evaluated. Results The GG endurance of PBG reached (8.10 ± 0.14) GZ, (8.10 ± 0.14) GG, respectively in the three stress systems of 1.6kPa / G, 2.4kPa / G and 3.2kPa / 54 ± 0.05) GZ and (8.56 ± 0.13) GZ, respectively. The anti-load performance of the three were (2.00 ± 0.31) GZ, 2.44 ± 0.31) Gz. The subjective sensory scores showed that the 2.4 kPa / G pressure system PBG was superior to the other two. Conclusion The PBG system pressure system to use 2.4kPa / G is the best. This?