| 一种航空发动机性能衰退预测的优化算法 |
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| 引用本文： | 张营,左洪福,任淑红,朱磊.一种航空发动机性能衰退预测的优化算法[J].中国机械工程,2011(9). |
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| 作者姓名： | 张营 左洪福 任淑红 朱磊 |
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| 作者单位： | 南京航空航天大学; |
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| 基金项目： | 国家自然科学基金委员会-中国民用航空总局联合基金资助重点项目(60939003) |
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| 摘 要： | 针对航空发动机性能衰退预测问题,采用基于过程神经网络的优化算法来对发动机的燃气温度裕度(EGTM)进行预测。为克服过程神经网络学习速度慢的缺点,提出一种基于Tent映射的混沌粒子群优化算法对网络进行训练,建立预测模型。采用某航空公司的EGTM监测数据进行验证,分析结果表明,基于Tent映射的混沌粒子群优化算法具有较高的收敛速度和预测精度,可为航空发动机视情维修决策提供支持。
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| 关 键 词： | 混沌粒子群优化算法 过程神经网络 性能衰退 预测 |
Research on an Algorithm for Prediction of Aeroengine Performance Deterioration |
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| Zhang Ying Zuo Hongfu Ren Shuhong Zhu Lei Nanjing University of Aeronautics , Astronautics,Nanjing.Research on an Algorithm for Prediction of Aeroengine Performance Deterioration[J].China Mechanical Engineering,2011(9). |
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| Authors: | Zhang Ying Zuo Hongfu Ren Shuhong Zhu Lei Nanjing University of Aeronautics Astronautics Nanjing |
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| Affiliation: | Zhang Ying Zuo Hongfu Ren Shuhong Zhu Lei Nanjing University of Aeronautics and Astronautics,Nanjing,210016 |
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| Abstract: | Process neural networks were adopted to predict the engine gas temperature margin,which could reflect the performance deterioration of the civil aviation aircraft engine.In order to overcome the problem that the learning speed of existing learning algorithms for process neural network was slow,a chaotic particle swarm optimization based on Tent map was developed,which could improve the convergence speed and prediction accuracy.Simulation results demonstrate the validity and feasibility of the proposed algor... |
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| Keywords: | chaotic particle swarm optimization process neural network performance deterioration prediction |
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