某型飞行模拟器飞行性能验证数据预处理方法
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摘要
针对飞行模拟器的性能验证问题,对验证之前所采集的试飞数据和仿真数据进行了研究,对仿真模型验证的数据预处理方法进行了归纳和总结并指出了局限性,提出了对于模拟器动态数据和静态数据进行数据选段、去除异常值、采样点匹配、平稳性检验和平稳化处理、零均值处理、各态历经性检验和正态性检验的一套处理方法,并利用这些方法对所获得的试飞数据以及仿真数据进行了处理,通过预处理的验证数据再用于具体飞行性能的检验。研究结果表明:该预处理方法能够将所获得的数据处理为符合下一步具体验证的数据,为下一步验证工作奠定基础。
Aiming at simulation performance verification problem of the flight simulator,the previously collected test flight data and simulation data was studied,the method of simulation model validation data preprocessing was carried on the induction and limitation was pointed out,A set of processing methods to dynamic data and static data of simulator was presented to passage data,remove outliers,sampling points matching,stationarity test and smooth processing,zero mean processing,ergodic property inspection and normality,and these methods were used to the flight test data and simulation data obtained for processing,the data after preprocessing was used for the verification of specific flight performance. The results indicate that the pretreatment method can be gained by the data processing to meet the specific data validation,and the foundation of validation work is laid for the next step.
Aiming at simulation performance verification problem of the flight simulator,the previously collected test flight data and simulation data was studied,the method of simulation model validation data preprocessing was carried on the induction and limitation was pointed out,A set of processing methods to dynamic data and static data of simulator was presented to passage data,remove outliers,sampling points matching,stationarity test and smooth processing,zero mean processing,ergodic property inspection and normality,and these methods were used to the flight test data and simulation data obtained for processing,the data after preprocessing was used for the verification of specific flight performance. The results indicate that the pretreatment method can be gained by the data processing to meet the specific data validation,and the foundation of validation work is laid for the next step.
引文
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[4]刘藻珍.基于飞行试验数据的仿真模型验证方法的研究[J].系统仿真学报,2002,14(3):281-284.
[5]焦松,李伟,杨明.基于经验模态分解和灰色关联度分析的仿真模型验证方法[J].系统工程与电子技术,35(12):2613-2618.
[6]吴方.时频域分析方法在仿真模型验证中的应用研究[D].哈尔滨:哈尔滨工业大学控制与仿真中心,2013.
[7]温瑶.飞行过程中不安全因素的防范分析[J].技术与市场,2015,36(11):145.
[8]刘惠英,孙真,刘昕.导弹仿真模型系统的验证与实现[J].现代电子技术,2012,35(3):1-4.
[9]许天一.FPGA静态时序分析的研究与实现[D].哈尔滨:哈尔滨工业大学深圳研究生院,2014.
[10]裴立业.卫星信号自动检测与识别技术研究[D].郑州:解放军信息工程大学信息系统工程学院,2013.
[11]王志超.典型歼击机动力学仿真建模及性能参数调整方法的研究[D].沈阳:沈阳航空航天大学航空学院,2011.
[12]ZHANG Zheng-xin,HU Chang-hua,SI Xia-sheng,et al.Stochastic degradation process modeling and remaining useful life estimation with flexible random-effects[J].Journal of the Franklin Institute,2016,30(6):56-62.
[13]谢保川,范毅晟,曾鸣,等.基于飞参数据的飞行仿真模型验证方法研究[J].现代计算机,2014(2):3-8.
[14]刘爽.影响飞机平衡性试飞因素的验证与分析[C].2012航空实验测试技术学术交流会,桂林:中国航空学会,2012.
[15]曾鸣,李雪青,谢保川,等.基于飞参数据的飞行仿真模型验证[J].指挥控制与仿真,2011,33(6):80-83.
[16]路翠华,王瑛,徐君明.基于零均值特性的箕舌线变步长LMS算法[J].海军航空工程学院学报,2013,28(5):485-488.
[17]何迎辉,钱伟明.随机过程简明教程[M].1版.上海:同济大学出版社,2004.
[18]MANOLAKIS D,INGLE V,KOGON S,et al.Statisticalanddaptivesignalprocessing[M].Beijing:Tsinghua University Press,2003.