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基于卡尔曼滤波-遗传算法的航空发动机性能诊断 被引量:3

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摘要 以某型涡扇发动机为研究对象,提出了基于卡尔曼滤波器和遗传算法的航空发动机性能诊断方法.根据发动机可测参数偏离额定特性时的变化量,利用卡尔曼滤波器对发动机性能参数进行了估计.当传感器存在测量偏差时,会使滤波器估计结果偏离真实情况.遗传算法以机载模型输出与发动机测量参数之间的误差最小为目标,通过优化计算,找出了存在测量偏差的传感器,确定其偏差,并最终消除了测量偏差对性能诊断的影响.
作者 袁春飞 姚华
机构地区 一航动控所
出处 《航空发动机》 2007年第z1期104-108,共5页 Aeroengine
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参考文献12

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