Faults Detection Logic Updating of Fuel Metering Valve on Aero-engine

被引：2

作者：

Ao Liangzhong ^{[1
]}

机构：

[1] Civil Aviat Flight Univ China, Aero Engine Maintenance Training Ctr, Guanghan 618307, Sichuan, Peoples R China

来源：

FRONTIERS OF MANUFACTURING SCIENCE AND MEASURING TECHNOLOGY II, PTS 1 AND 2 | 2012年 / 503-504卷

关键词：

Faults detection; Fuel metering valve; In-flight shut-down; Aero-engine;

D O I：

10.4028/www.scientific.net/AMR.503-504.1660

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The basic faults detection logic of fuel flow metering valve can not detect all the faults. It may cause un-commanded in-flight shut-down (IFSD) on the aero-engine and threat the flight safety. The operation principle of fuel flow metering valve is introduced in this paper. The basic faults detection logic is given. Two IFSD examples are presented. To reduce the un-commanded IFSD, faults detection logic updating is discussed. It can be used to design the new control software of the aero-engine and improve the aero-engine's reliability.

引用

页码：1660 / 1663

页数：4

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