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传感器测量偏差下的航空发动机智能性能诊断

袁春飞 姚华

袁春飞, 姚华. 传感器测量偏差下的航空发动机智能性能诊断[J]. 航空动力学报, 2007, 22(1): 126-131.
引用本文: 袁春飞, 姚华. 传感器测量偏差下的航空发动机智能性能诊断[J]. 航空动力学报, 2007, 22(1): 126-131.
YUAN Chun-fei, YAO Hua. Intelligent perf ormance diagnosis of aeroengine withsensor measurement bias[J]. Journal of Aerospace Power, 2007, 22(1): 126-131.
Citation: YUAN Chun-fei, YAO Hua. Intelligent perf ormance diagnosis of aeroengine withsensor measurement bias[J]. Journal of Aerospace Power, 2007, 22(1): 126-131.

传感器测量偏差下的航空发动机智能性能诊断

基金项目: 江苏省博士后科研资助计划项目

Intelligent perf ormance diagnosis of aeroengine withsensor measurement bias

  • 摘要: 以某型涡扇发动机为研究对象, 构建了基于神经网络的航空发动机智能性能诊断方法, 讨论了测量噪声及测量偏差对诊断结果的影响及其处理方法.建立一簇并行的神经网络组和发动机模型, 通过比较各模型输出与发动机测量参数之间的误差, 判断传感器是否存在测量偏差.仿真结果表明, 该方法能有效消除测量噪声, 准确判断并隔离有测量偏差的传感器, 得出正确的发动机性能诊断结果.

     

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出版历程
  • 收稿日期:  2005-12-15
  • 修回日期:  2006-06-07
  • 刊出日期:  2007-01-28

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