本发明公开了飞机高温振动疲劳测试中基于映射修正的响应控制方法,涉及飞机测试技术领域,包括以下步骤:S1、试验系统构建;S2、正向控制:S2‑1、正向控制通道建立;S2‑2、正向测量通道建立;S2‑3、正向载荷施加;S2‑4、正向映射载荷谱测量;S3、反向控制:S3‑1、反向控制通道建立;S3‑2、反向测量通道建立;S3‑3、反向载荷施加;S3‑4、反向映射载荷谱测量;S4、载荷谱对比;S5、反向映射载荷谱修正;S6、映射控制。本发明综合考虑振动试验中各测点之间的映射关系以及高温环境下飞机结构的动力学特性变化,提出一种高温环境下的飞机振动控制方法。
The invention discloses a response control method based on mapping correction in an aircraft high-temperature vibration fatigue test, and relates to the technical field of aircraft testing, and the method comprises the following steps: S1, test system construction; s2, forward control: S2-1, establishing a forward control channel; s2-2, establishing a forward measurement channel; s2-3, applying a forward load; s2-4, carrying out forward mapping load spectrum measurement; s3, reverse control: S3-1, establishing a reverse control channel; s3-2, establishing a reverse measurement channel; s3-3, applying a reverse load; s3-4, carrying out reverse mapping load spectrum measurement; s4, load spectrum comparison; s5, correcting a reverse mapping load spectrum; and S6, performing mapping control. The invention provides an aircraft vibration control method in a high-temperature environment by comprehensively considering a mapping relation among measuring points in a vibration test and dynamic characteristic changes of an aircraft structure in the high-temperature environment.
飞机高温振动疲劳测试中基于映射修正的响应控制方法
2022-09-02
Patent
Elektronische Ressource
Chinesisch
IPC: | G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen / G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES , Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen |