民用飞机轮载信号比较监控器验证方法和设计研究

Test method and design optimization of civil aircraft weight on wheel signal comparison monitor

飞机空地逻辑判定和飞行派遣状态判定的重要依据是轮载信号,当前民用飞机飞控系统轮载信号多采用余度表决监控器进行处理,其中余度表决监控器触发时间对飞机的空地状态和派遣状态具有重要影响。空地转换延迟会导致部分系统对当前飞机状态做出错误判断,影响飞机安全,飞机不派遣状态判断的过分严厉会降低航线中飞机的签派率,影响飞机市场竞争力。为了得到轮载信号监控器触发时间的最佳门限值,通过设计一种试验分析方法,得到了飞机轮载信号比较不一致持续时间的范围,再通过分析轮载信号对飞机着陆状态和派遣状态的影响,得到一种选择最佳轮载信号门限值的设计方法。此外,该方法可以进一步推广到其它具有比较监控器处理的信号上,通过试验与分析的方法,得到比较监控器的最佳门限值。

The important basis for aircraft air-ground logic judgment and flight dispatch status judgment is the weight on wheel signal.At present,the weight on wheel signal of civil aircraft flight control systems is mostly processed by a redundancy voting monitor.The triggering time of the redundancy voting monitor affects the state of vacant land and dispatch.Among them,the delay of air-ground conversion will cause some systems to make incorrect judgments on the current aircraft status,which will affect aircraft safety.Excessively strict aircraft dispatch status will reduce the dispatch rate of aircraft in the route and affect the competitiveness of the aircraft market.In order to obtain the optimal threshold for the trigger time of the weight on wheel signal monitor,this paper designs an experimental analysis method to obtain the range of inconsistent duration of aircraft weight on wheel signals.The influence of the state,a design method for selecting the best weight on wheel signal threshold was obtained.In addition,this method can be further extended to other signals processed by a comparison monitor,and the best threshold value can be obtained through the influence of the signal on the system.