新一代战斗机全机地面强度试验技术  

Full-scale aircraft strength test technology of next generation fighter

作　　者：王育鹏 裴连杰[2,3] 李秋龙[4] 郑建军 冯建民 王凡[4] WANG Yupeng;PEI Lianjie;LI Qiulong;ZHENG Jianjun;FENG Jianmin;WANG Fan(School of Aeronautics,Northwestern Polytechnical University,Xi’an 710072,China;AVIC Aircraft Strength Research Institute,Xi’an 710065,China;Aviation Technology Key Laboratory of Full Scale Aircraft Sturcture Static and Fatigue Test,Xi’an 710065,China;AVIC Chengdu Aircraft Design and Research Institute,Chengdu 610041,China)

机构地区：[1]西北工业大学航空学院,西安710072 [2]中国飞机强度研究所,西安710065 [3]全尺寸飞机结构静力/疲劳航空科技重点试验室,西安710065 [4]中国航空工业成都飞机设计研究所,成都610041

出　　处：《航空学报》2020年第6期335-347,共13页Acta Aeronautica et Astronautica Sinica

摘　　要：介绍了全机地面强度试验及验证要求,分析了试验的新问题和新挑战。通过试验顶层规划,采用全新设计模式、先进的加载技术,从试验的边界条件、综合平台、动力系统、测量与控制、损伤检测与监测等方面制定了总体技术方案。研究并应用了全硬式单侧双向加载技术、试验综合平台设计技术、试验边界条件模拟技术、动力系统设计技术等多项新技术,提高了设计效率、加快了试验实施速度、提升了试验安全性和可靠性。这些新技术在新一代战斗机多架次全机静力/疲劳试验中成功应用,结果表明各试验系统安全、可靠,达到了试验要求和预期试验目标,实现了全机地面强度试验技术的跨越式进步,技术成果为后续型号试验提供了较高参考价值。This paper introduced the full-scale aircraft ground strength test and its requirements and analyzed the new problems and challenges in the test.Through the top-level planning for the test,new design mode and advanced loading technology are adopted to develop the overall technical scheme from the aspects of test boundary conditions,integrated platform,power system,measurement and control,and damage detection and monitoring.A number of new technologies,such as fullhard single-side bidirectional loading technology,test comprehensive platform design technology,boundary condition simulation technology,and power system design technology,have been studied and applied,which have improved design efficiency,accelerated test implementation speed,and improved test safety and reliability.These new technologies of this project have been successfully applied in the full-scale aircraft static/fatigue tests.The results showed that the test systems are safe and reliable,indicating that the test requirements and expected objectives have been achieved.The technologies have made great progress in the full-scale aircraft ground strength test,and the results have provided a high reference value for subsequent tests.

关 键 词：战斗机 强度试验 双向加载 综合平台 边界条件 动力系统 

分 类 号：V216.1[航空宇航科学与技术—航空宇航推进理论与工程]