大型飞机增压舱充气加载控制技术研究及应用  

Research and Application of Charging and Loading Control Technology in Pressurized Cabin of Large-Scale Aircraft

作　　者：燕晨耀 吝继锋[1] 尹伟[1] 王建涛 Yan Chenyao;Lin Jifeng;Yin Wei;Wang Jiantao(Aviation Technology Key Laboratory of Full-Scale Aircraft Static&Fatigue Test,Aircraft Strength Research Institute of China,Xi′an 710065,Shaanxi,China)

机构地区：[1]中国飞机强度研究所全尺寸飞机结构静力/疲劳试验航空科技重点实验室,陕西西安710065

出　　处：《工程与试验》2023年第1期12-15,共4页Engineering and Test

摘　　要：充压试验是飞机结构强度试验的组成部分,对飞机结构设计和验证具有重要意义。本文针对大型水陆两栖飞机增压舱充压试验的特点和需求,对大容积充气加载控制技术进行研究,提出一种基于计算回路的充压试验闭环控制方法,实现多充气台协同控制,提高充压试验加载过程的效率和加载精度;提出一种多充气台伺服控制信号优化算法,提高充压试验保载时的压力稳定性。试验应用结果表明,本文提出的方法合理、可行,试验加载过程平稳、准确,位移响应线性良好,满足试验要求。该技术在同类型试验中具有一定的推广价值。As an integral part of aircraft structural strength test,charging test is of great significance to aircraft structural design and verification.According to the characteristics and requirements of charging test of pressurized cabin of large amphibious aircraft,the control technology of large volume charging and loading is studied.A closed-loop control method based on computational loop is proposed to realize the cooperative control of multiple inflators and improve the efficiency and accuracy of the loading process of the charging test.A servo control signal optimization algorithm of multiple inflators is proposed to improve the pressure stability of the charging test during load holding.The application results show that the method proposed in the paper is reasonable and feasible,the loading process is stable and accurate,the strain response is linear and meets the test requirements.The technology has certain popularization value in the same type of tests.

关 键 词：大型飞机 结构强度试验 充压试验 协调加载控制 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]