[1]徐文萤,江驹,甄子洋,等.改进多段高斯伪谱法的近空间可变翼飞行器小翼伸缩优化研究[J].哈尔滨工程大学学报,2020,41(7):1043-1051.[doi:10.11990/jheu.201901072]
 XU Wenying,JIANG Ju,ZHEN Ziyang,et al.Stretch-out and drawback optimization of the winglets of near-space morphing hypersonic aircraft based on the improved multiband Gauss pseudospectrum[J].hebgcdxxb,2020,41(7):1043-1051.[doi:10.11990/jheu.201901072]
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改进多段高斯伪谱法的近空间可变翼飞行器小翼伸缩优化研究(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
41
期数:
2020年7期
页码:
1043-1051
栏目:
出版日期:
2020-07-05

文章信息/Info

Title:
Stretch-out and drawback optimization of the winglets of near-space morphing hypersonic aircraft based on the improved multiband Gauss pseudospectrum
作者:
徐文萤 江驹 甄子洋 万月丰
南京航空航天大学 自动化学院, 江苏 南京 210016
Author(s):
XU Wenying JIANG Ju ZHEN Ziyang WAN Yuefeng
College of Automation, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
关键词:
近空间飞行器可变翼飞行器小翼伸缩多段轨迹优化高斯伪谱法非线性规划最优控制目标优化
分类号:
V412.4
DOI:
10.11990/jheu.201901072
文献标志码:
A
摘要:
针对Gauss伪谱法在处理近空间可变翼飞行器最省燃油轨迹优化与可变小翼伸缩状态的最优关系等问题时存在计算量大、计算效率低下、优化精度低等缺陷,本文提出一种改进的多段整合优化的高斯伪谱法的求解策略。考虑到本文研究对象带有可伸缩小翼的特殊性及飞行过程中声速、密度、地球引力及发动机推力变化等因素的影响,对爬升模态进行合理分段,建立多段优化模型,应用本文所提的改进方法进行了整体优化仿真试验。通过数值仿真得到整个爬升各子段的最少耗油爬升轨迹及小翼伸缩状态。仿真结果表明:改进后的优化方法在计算时长、优化精度等整体性能上得到了进一步的提升。

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相似文献/References:

[1]顾臣风,江驹,吴雨珊.近空间飞行器爬升段跟踪控制[J].哈尔滨工程大学学报,2016,37(11):1526.[doi:10.11990/jheu.201503056]
 GU Chenfeng,JIANG Ju,WU Yushan.Tracking control for a near-space vehicle in the ascent phase[J].hebgcdxxb,2016,37(7):1526.[doi:10.11990/jheu.201503056]

备注/Memo

备注/Memo:
收稿日期:2019-01-18。
基金项目:国家自然科学基金项目(61673209,71971115,71471087).
作者简介:徐文萤,男,硕士;江驹,男,教授,博士生导师.
通讯作者:江驹,E-mail:jiangju@nuaa.edu.cn.
更新日期/Last Update: 2020-08-15