临近空间高超声速飞行器机动模型及弹道预测

doi:10.3969/j.issn.1001-506X.2019.09.21

系统工程与电子技术 ›› 2019, Vol. 41 ›› Issue (9): 2072-2079.doi: 10.3969/j.issn.1001-506X.2019.09.21

临近空间高超声速飞行器机动模型及弹道预测

张博伦¹, 周荻¹, 吴世凯²

1. 哈尔滨工业大学航天学院, 黑龙江哈尔滨 150001; 2. 空军通信士官学校地空导航系, 辽宁大连 116600

出版日期:2019-08-27 发布日期:2019-08-20

Maneuver model and trajectory prediction of near space hypersonic aircraft

ZHANG Bolun¹, ZHOU Di¹, WU Shikai²

1. School of Astronautics, Harbin Institute of Technology, Harbin 150001, China;
2. Department of Ground Air Navigation, Airforce Communication NCO Academy, Dalian 116600, China

Online:2019-08-27 Published:2019-08-20

摘要/Abstract

摘要：

讨论了临近空间轴对称高超声速机动飞行器的跟踪及弹道预测问题。通过引入3个与气动力参数相关的状态变量,建立起一种非线性机动模型,并证明了基于该模型的非线性跟踪系统的可观性。针对此非线性跟踪系统,设计了扩展卡尔曼滤波器以及状态预报器,实现弹道跟踪和预测。仿真结果表明,对于临近空间飞行器在巡航末段的运动状态,采用所提出的机动模型,可以取得优良的跟踪和预测效果。

关键词: 临近空间飞行器, 机动模型, 非线性系统可观性, 跟踪滤波, 弹道预测

Abstract:

The tracking and trajectory prediction of axisymmetric hypersonic maneuvering aircraft in near space are discussed. By introducing three state variables related to aerodynamic parameters, a nonlinear maneuver model is established and the observability of the nonlinear tracking system based on the model is proved. For this nonlinear tracking system, an extended Kalman filter and a state predictor are designed to achieve trajectory tracking and prediction. The simulation results show that the proposed maneuver model achieves excellent tracking and prediction effects for the near space aircraft at the end of the cruise.

Key words: near space aircraft, maneuver model, observability of the nonlinear system, tracking filter, trajectory prediction

张博伦, 周荻, 吴世凯. 临近空间高超声速飞行器机动模型及弹道预测[J]. 系统工程与电子技术, 2019, 41(9): 2072-2079.

ZHANG Bolun, ZHOU Di, WU Shikai. Maneuver model and trajectory prediction of near space hypersonic aircraft[J]. Systems Engineering and Electronics, 2019, 41(9): 2072-2079.

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临近空间高超声速飞行器机动模型及弹道预测

Maneuver model and trajectory prediction of near space hypersonic aircraft

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