高超声速飞行器机动规避轨迹优化
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作者单位:

(哈尔滨工业大学 航天学院,哈尔滨 150001)

作者简介:

高长生(1978—),男,博士,教授; 荆武兴(1965—),男,教授,博士生导师

通讯作者:

荆武兴,jingwuxing@hit.edu.cn

中图分类号:

V412

基金项目:

国家自然科学基金(11572097);航天科技联合创新基金(CASC-HIT13-1C03)


Maneuver evasion trajectory optimization for hypersonic vehicles
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(School of Astronautics, Harbin Institute of Technology, Harbin 150001, China)

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    摘要:

    为研究高超声速滑翔飞行器规避禁飞区的轨迹设计问题,提出了一种基于拼接的机动规避轨迹优化方法.该方法通过引入拼接点将整条飞行轨迹分为若干段,然后利用能够处理分段优化问题和自动调整配点分布的自适应伪谱法,对高超声速滑翔飞行器的机动规避轨迹进行优化设计.仿真结果得到了不同禁飞区和拼接点分布下的机动规避轨迹,这些轨迹能够在满足各种约束条件的情况下有效规避禁飞区并到达指定点,且其中一种轨迹是全局优化方法无法得到的.仿真结果表明,该方法能够用于设计高超声速滑翔飞行器的横向大幅复杂机动轨迹,此外在该方法中拼接点位置还能够控制轨迹的形态.

    Abstract:

    To research the problem of designing hypersonic glide vehicle's no-fly zone evasion trajectory, a maneuver evasion trajectory optimization design method based on joint point is proposed. The hypersonic glide vehicle's trajectory is divided into several stages by joint points. Based on this concept, the design of hypersonic glide vehicle's maneuver evasion trajectory based on joint is implemented utilizing adaptive pseudospectral method's ability of solving multi-stage optimization problems and adjusting collocation points' distribution. The simulation results get maneuver evasion trajectories that can meet varieties of constraints and evade no-fly zones under different circumstances. It is demonstrated that this method is able to be used for the substantial lateral maneuver trajectory's design. Moreover, the joint points' positions can control the maneuver evasion trajectory's shape.

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高长生,陈尔康,荆武兴.高超声速飞行器机动规避轨迹优化[J].哈尔滨工业大学学报,2017,49(4):16. DOI:10.11918/j. issn.0367-6234.201605015

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  • 收稿日期:2016-05-04
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  • 在线发布日期: 2017-04-14
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