基于LSTM神经网络的高机动目标航迹预测
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中国空空导弹研究院

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520.604

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航空科学基金


High Maneuvering Targets Trajectory Prediction Based on LSTM
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    摘要:

    博弈对抗场景下,对空飞机类目标一般采用S机动、桶滚机动规避导弹的打击,攻击机动目标弹道弯曲导弹能量损失大,弹目交会态势不佳容易造成引战配合效能下降,实现高机动目标航迹预测对实现预测制导,进而改善弹道性能具有重要意义。为解决对空目标机动样式复杂、模型建模困难等问题,提出了基于目标机动航迹的自适应预测方法,采用试验数据+模拟器+数字仿真混合建模生成数据集、测试集的设计方案,解决了智能训练模型构建难题,并设计了一种CNN-LSTM神经网络,提高了网络模型的自适应以及泛化能力,使识别准确率及识别精度大幅度提高。实验结果证明,目标航迹预测方法能够适应目标机动样式、参数不确定等作战使用场景。

    Abstract:

    In the scenario of game confrontation, S-maneuver and barrel roll maneuver are generally used to avoid missile strikes against airborne targets. When the target is maneuvering, the guided missile's trajectory bends, which can easily cause energy loss,and poor missile-target rendezvous can decrease the effectiveness of combat coordination,then the realization of high-mobility target trajectory prediction is of great significance to the realization of predictive guidance and thus the improvement of ballistic performance. To solve the problems of complex target maneuvering patterns and difficult modeling, an adaptive prediction method based on target maneuvering trajectories was proposed. To meet the massive data requirements of intelligent training, design of generating data sets and test sets which mixed modeling using experimental data、 digital and simulation were proposed. and CNN-LSTM neural network was designed to improve the adaptability and generalization ability of the network model, which significantly improving the recognition accuracy and precision. The experimental results demonstrate that the target trajectory prediction method can adapt to various combat scenarios such as target maneuvering styles and parameter uncertainties.

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  • 收稿日期:2024-10-31
  • 最后修改日期:2024-11-30
  • 录用日期:2024-12-04
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