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跨声速机翼阵风减缓研究

张慰 张伟伟 全景阁 叶正寅

张慰, 张伟伟, 全景阁, 叶正寅. 跨声速机翼阵风减缓研究[J]. 力学学报, 2012, 44(6): 962-969. doi: 10.6052/0459-1879-12-087
引用本文: 张慰, 张伟伟, 全景阁, 叶正寅. 跨声速机翼阵风减缓研究[J]. 力学学报, 2012, 44(6): 962-969. doi: 10.6052/0459-1879-12-087
Zhang Wei, Zhang Weiwei, Quan Jingge, Ye Zhengyin. GUST ALLEVIATION OF TRANSONIC WING[J]. Chinese Journal of Theoretical and Applied Mechanics, 2012, 44(6): 962-969. doi: 10.6052/0459-1879-12-087
Citation: Zhang Wei, Zhang Weiwei, Quan Jingge, Ye Zhengyin. GUST ALLEVIATION OF TRANSONIC WING[J]. Chinese Journal of Theoretical and Applied Mechanics, 2012, 44(6): 962-969. doi: 10.6052/0459-1879-12-087

跨声速机翼阵风减缓研究

doi: 10.6052/0459-1879-12-087
基金项目: 航空科学基金(20121353014),国家自然科学基金(11172237)和西北工业大学基础研究基金资助项目.
详细信息
    通讯作者:

    叶正寅

  • 中图分类号: V211

GUST ALLEVIATION OF TRANSONIC WING

Funds: The project was supported by the Aeronautical Science Foundation of China(20121353014), the National Natural Foundation Science of China (11172237) and the Basic Research Foundation of Northwestern Polytechnical University.
  • 摘要: 阵风响应分析是大型民用飞机设计必不可少的工作. 利用操纵面的主动偏转实现机翼阵风减缓是未来民用飞行器的一个关键技术. 基于CFD/CSD耦合的气动弹性仿真方法,将阵风视为输入,翼根弯矩作为输出,通过系统辨识方法建立跨音速阵风响应的状态空间分析模型. 而后将副翼作动位移视为系统输入,建立副翼作动对应的机翼响应分析模型. 耦合上述2个模型,通过最优控制方法设计副翼偏转的控制律,实现跨音速机翼的阵风响应减缓. 通过设计状态观测器得到最优控制反馈所需的状态量. 通过数值算例验证了所设计的阵风减缓控制律的有效性,能将翼根弯矩减少60%~80%.

     

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出版历程
  • 收稿日期:  2012-03-30
  • 修回日期:  2012-08-15
  • 刊出日期:  2012-11-18

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