高超声速伸缩式变形飞行器再入轨迹快速优化
V448.235; 针对高超声速变形飞行器再入轨迹优化问题,研究了一种基于改进高斯伪谱法(Gauss pseudospectral method,GPM)的快速优化方法.首先,针对一种采用伸缩式机翼的高超声速变形飞行器,建立了将展长变形量扩展成为控制变量的再入轨迹优化模型.其次,采用GPM将轨迹优化问题转化为非线性规划(nonlinear program-ming,NLP)问题,并基于NLP偏导数的稀疏性推导目标函数梯度和约束Jacobian矩阵的高效计算方法.最后,优化求解了变形飞行器的最大横向航程、再入可达区、最大终端速度和最小飞行时间.仿真结果表明,推导的梯度计算方法可有效提高优化求解效...
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| Published in | 系统工程与电子技术 Vol. 43; no. 8; pp. 2232 - 2243 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
北京理工大学宇航学院,北京100081%中国运载火箭技术研究院战术武器事业部,北京100076%中国北方工业有限公司,北京100053
01.08.2021
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-506X |
| DOI | 10.12305/j.issn.1001-506X.2021.08.25 |
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| Abstract | V448.235; 针对高超声速变形飞行器再入轨迹优化问题,研究了一种基于改进高斯伪谱法(Gauss pseudospectral method,GPM)的快速优化方法.首先,针对一种采用伸缩式机翼的高超声速变形飞行器,建立了将展长变形量扩展成为控制变量的再入轨迹优化模型.其次,采用GPM将轨迹优化问题转化为非线性规划(nonlinear program-ming,NLP)问题,并基于NLP偏导数的稀疏性推导目标函数梯度和约束Jacobian矩阵的高效计算方法.最后,优化求解了变形飞行器的最大横向航程、再入可达区、最大终端速度和最小飞行时间.仿真结果表明,推导的梯度计算方法可有效提高优化求解效率,变形飞行器相对于固定外形飞行器的性能更加优越,最大横向航程、可达区覆盖范围、最大终端速度和最小飞行时间等指标均有显著提升. |
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| AbstractList | V448.235; 针对高超声速变形飞行器再入轨迹优化问题,研究了一种基于改进高斯伪谱法(Gauss pseudospectral method,GPM)的快速优化方法.首先,针对一种采用伸缩式机翼的高超声速变形飞行器,建立了将展长变形量扩展成为控制变量的再入轨迹优化模型.其次,采用GPM将轨迹优化问题转化为非线性规划(nonlinear program-ming,NLP)问题,并基于NLP偏导数的稀疏性推导目标函数梯度和约束Jacobian矩阵的高效计算方法.最后,优化求解了变形飞行器的最大横向航程、再入可达区、最大终端速度和最小飞行时间.仿真结果表明,推导的梯度计算方法可有效提高优化求解效率,变形飞行器相对于固定外形飞行器的性能更加优越,最大横向航程、可达区覆盖范围、最大终端速度和最小飞行时间等指标均有显著提升. |
| Author | 郭杰 张浩强 岳彩红 唐胜景 王肖 |
| AuthorAffiliation | 北京理工大学宇航学院,北京100081%中国运载火箭技术研究院战术武器事业部,北京100076%中国北方工业有限公司,北京100053 |
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| Author_FL | YUE Caihong GUO Jie WANG Xiao ZHANG Haoqiang TANG Shengjing |
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| Keywords | 稀疏性 高超声速飞行器 轨迹优化 Gauss伪谱法 变形飞行器 |
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| Publisher | 北京理工大学宇航学院,北京100081%中国运载火箭技术研究院战术武器事业部,北京100076%中国北方工业有限公司,北京100053 |
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| Snippet | V448.235; 针对高超声速变形飞行器再入轨迹优化问题,研究了一种基于改进高斯伪谱法(Gauss pseudospectral method,GPM)的快速优化方法.首先,针对一种采用伸缩式机翼的高超... |
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| Title | 高超声速伸缩式变形飞行器再入轨迹快速优化 |
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