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首页> 外文会议>Conference of the International Committee on Aeronautical Fatigue and Structural Integrity >Service Life Extension Program based on operational load monitoring system and durability test of the ageing fighter-bomber jet
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Service Life Extension Program based on operational load monitoring system and durability test of the ageing fighter-bomber jet

机译：基于操作负荷监测系统的服务生活扩展程序及老化战斗机 - 轰炸机喷气机的耐久性试验

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In 2013 Polish Air Force have decided to continue the operation of the ageing Su-22 "Fitter" fighter-bomber. Currently, Air Force Institute of Technology (in cooperation with Military Aviation Works no. 2 JSC) finalizes implementation of an ASIP and modernization program aimed at service life extension for the Su-22. Main task for the institute is to determine the feasibility of the program and the safety for the extended service. The program includes flight tests, a Full Scale Durability Test, and operational loads monitoring (OLM). The program is focused on the double-seater version of the Fitter. Flight tests results and detailed calculation of the load distribution have served as a basis for the FSDT load sequence. Moreover, a fully instrumented, operational "leader" aircraft serves as an additional source of information about the flight profile and operation of the newly implemented OLM system. Detailed data about the actual operation and mission profiles, as well as additional durability tests are necessary for aircraft service life extension programs. In the paper, a life extension program for an aging, soviet-made fighter-bomber operated by the Polish Air Force is described. Some of the operated combat and trainer aircraft were selected for life extension. The trainers are of special interest because they accumulate significantly more landing - take-off cycles in their lifetime than the combat variant. Because of that, OLM system built around the SSR-500 Data Acquisition Recorder has been installed in six combat-trainer aircraft. The system monitors loads in areas of the airframe such as landing gear attachment points, main wing attachment points (8 strain gauge channels). The system also records 3 components of acceleration. Based on the recorded load time histories as well as g-force dynamics the life depletion rate can be assessed. The total service life reserve is determined during the Full Scale Durability Test results. Load analysis for the rest of the aircraft is done solely based on the classic flight data recorder parameters (not strain-gauge signals). This is done by relating the actual flight profile to the FSDT results. So far, the implemented analyses suggest that the life extension program is a success.
机译：2013年，波兰空军决定继续运行苏-22“钳工”战斗机 - 轰炸机。目前，空军技术研究所（与军事航空公司合作编号。该研究所的主要任务是确定该计划的可行性和扩展服务的安全性。该计划包括飞行测试，全尺度耐久性测试和操作负载监测（OLM）。该计划专注于钳工的双座版本。飞行试验结果和负载分布的详细计算已作为FSDT负载序列的基础。此外，一种完全仪器的操作性“领导者”飞行器用作关于飞行型材的额外信息来源和新实现的OLM系统的操作。有关实际操作和任务配置文件的详细数据，以及飞机服务生活扩展程序所需的额外耐用性测试。本文描述了一种由波兰空气力操作的老化的寿命延伸程序，苏联制造的战斗机 - 轰炸机。选择了一些操作的战斗和培训师飞机用于终身延长。培训师具有特殊兴趣，因为它们在其寿命中积累了比战斗变量更大的着陆周期。因此，围绕SSR-500数据采集记录器内置的OLM系统已安装在六架战斗机飞机中。该系统监控在机身的区域中的载荷，例如着陆齿轮附接点，主翼连接点（8个应变计通道）。该系统还记录了加速度的3个组件。基于记录的负载时间历史以及G效力动力学，可以评估寿命耗尽率。在全规模耐久性测试结果期间确定总使用寿命储备。该飞机其余部分的负载分析仅基于经典飞行数据记录器参数（不是应变计信号）进行。这是通过将实际飞行概况与FSDT结果相关联完成的。到目前为止，实施的分析表明，生命扩展计划是成功的。

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