飞行控制系统振荡故障监控器设计及应用

Design and application of flight control system oscillation fault monitor

振荡故障是飞机故障类型中对飞行安全、飞机结构和系统控制影响较大的一类故障。本文针对飞机振荡故障,分析了故障产生原因及影响因素,明确了振荡故障监控设计路径和监控层级,提出一种振荡故障监控器设计及验证方法,并在某型号的飞行控制系统中应用证实其可行性。本研究对飞机飞行控制系统振荡故障监控器设计及试验验证有较好的指导作用,能够支持飞行控制系统振荡故障试验,验证振荡故障监控器与设计需求及相应适航条款的符合性。

Oscillation fault is a kind of aircraft fault which has a great influence on flight safety,aircraft structure and system control.This paper analyzes the causes and influencing factors of aircraft oscillation fault,and defines the design path and monitoring level of oscillation fault monitoring,proposes a design and verification method of oscillation fault monitor,and verifies its feasibility by applying it to a certain type of flight control system.This result has a good guiding role for the design and test verification of the aircraft flight control system oscillation fault monitor,can support the flight control system oscillation fault test,and verify the compliance of the oscillation fault monitor with the design requirements and corresponding airworthiness terms.