姿控发动机试验缓变参数数据修正方法
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摘要
为了缩短型号试验周期,提高试验数据处理工作效率,结合姿控发动机试验缓变参数测试异常数据案例,开展了多种数据修正方法的应用效果研究,给出了数据修正方法的机理、应用条件及效果。经试验验证该方法效果显著,能够真实反映产品特性,为姿控发动机试验缓变数据处理领域提供了一套完善的异常数据修正方法。
In order to shorten the model test period and improve the efficiency of test data processing,the application effect of several data correction methods is carried out in this paper based on the abnormal examples of slowly varying parameters in the attitude control engine test. The mechanism,application condition and efficiency about the data correction method are also given in this paper. The experimental results show that the method is effective and can reflect the product characteristics,and can provide a complete set of abnormal data correction measures for the data processing field of slowly varying parameters in attitude control engine test.
In order to shorten the model test period and improve the efficiency of test data processing,the application effect of several data correction methods is carried out in this paper based on the abnormal examples of slowly varying parameters in the attitude control engine test. The mechanism,application condition and efficiency about the data correction method are also given in this paper. The experimental results show that the method is effective and can reflect the product characteristics,and can provide a complete set of abnormal data correction measures for the data processing field of slowly varying parameters in attitude control engine test.
引文
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[2]混平,单琳,刘军,等.水击压力传感器现场校准方法研究[J].火箭推进,2016,42(3):93-98.HUN Ping,SHAN Lin,LIU Jun.Study on field calibration method of water hammer pressure sensor[J].Journal of rocket propulsion,2016,42(3):93-98.
[3]张俊岳、任敏.固体火箭发动机试验测量系统零位变化研究[J].推进技术,1999,20(3):103-106.
[4]赵万明.液体火箭发动机地面试验关键参数测量方案设计[J].火箭推进,2002,28(1):27-32.ZHAO Wanming.Design of key parameter measurement scheme for ground test of liquid rocket engine[J].Journal of rocket propulsion,2002,28(1):27-32.
[5]郭霄峰.液体火箭发动机试车中性能参数平均值测量的采样速率问题[J].推进技术,1987,8(2):60-68.
[6]王军刚,赵万明,唐丽萍.提高低温压力测量准确度的方法初探[J].火箭推进,2012,38(5):65-69.WANG Jungang,ZHAO Wanming,TANG Liping.Methods to improve the accuracy of low temperature pressure measurement[J].Journal of rocket propulsion,2012,38(5):65-69.
[7]马红宇,董锡鉴.液氧/煤油发动机低温压力测量系统校准和修正方法初探[J].火箭推进,2002,28(3):17-20.MA Hongyu,DONG Xijian.Preliminary study on calibration and correction method of cryogenic pressure measurement system for LOX kerosene engine[J].Journal of rocket propulsion,2002,28(3):17-20.
[8]商佳尚.差值法与比值法的误差修正效果比较研究及应用[J].计测技术,2009,29(4):12-16.
[9]姚晶晶,缪华清,詹娜.利用线性修正方法预判影像测量仪示值误差的调校效果[J].仪器仪表标准化与计量,2006(5):36-37.
[10]刘旭明,徐寅,赵海龙,等.运载火箭飞行测量数据奇异点检测和降噪处理的小波方法[J].电子世界,2016(7):106-107.