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重型直升机-吊挂耦合系统闭环飞行品质分析

朱笑宇 曹义华 曹龙

朱笑宇, 曹义华, 曹龙等 . 重型直升机-吊挂耦合系统闭环飞行品质分析[J]. 北京航空航天大学学报, 2016, 42(7): 1550-1556. doi: 10.13700/j.bh.1001-5965.2015.0442
引用本文: 朱笑宇, 曹义华, 曹龙等 . 重型直升机-吊挂耦合系统闭环飞行品质分析[J]. 北京航空航天大学学报, 2016, 42(7): 1550-1556. doi: 10.13700/j.bh.1001-5965.2015.0442
ZHU Xiaoyu, CAO Yihua, CAO Longet al. Heavy helicopter-slung-load coupling system flying qualities in closed-loop state[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(7): 1550-1556. doi: 10.13700/j.bh.1001-5965.2015.0442(in Chinese)
Citation: ZHU Xiaoyu, CAO Yihua, CAO Longet al. Heavy helicopter-slung-load coupling system flying qualities in closed-loop state[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(7): 1550-1556. doi: 10.13700/j.bh.1001-5965.2015.0442(in Chinese)

重型直升机-吊挂耦合系统闭环飞行品质分析

doi: 10.13700/j.bh.1001-5965.2015.0442
详细信息
    作者简介:

    朱笑宇 女,硕士研究生。主要研究方向:直升机飞行力学与控制。Tel: 15210967669 E-mail: zhuxiaoyu@buaa.edu.cn;曹义华 男,博士,教授,博士生导师。主要研究方向:直升机总体设计。Tel: 010-82339537 E-mail: yihuacaobu@126.com

    通讯作者:

    曹义华,Tel.: 010-82339537 E-mail: yihuacaobu@126.com

  • 中图分类号: V275;V212.4

Heavy helicopter-slung-load coupling system flying qualities in closed-loop state

  • 摘要: 以CH-53A/D直升机为对象,研究重型直升机在增稳控制系统工作条件下外挂载荷运输飞行任务中的飞行品质问题。基于单质点吊挂假设和控制系统模型,建立了直升机-吊挂耦合闭环系统的非线性动力学模型。在该假设下,吊挂物引入了额外的自由度和约束,使方程增加为13阶的微分方程组。针对闭环状态下的耦合系统,进行了小扰动线性化处理,在此基础上进行了吊挂飞行操纵响应的时域特性和频域特性分析,参照军用旋翼飞行器驾驶品质要求(ADS-33E)的品质指标分析了吊挂物质量、吊挂绳长和直升机前飞速度对耦合系统飞行品质的影响。结果表明,吊挂物质量、吊挂绳长和前飞速度对于系统的时域特性以及各项操纵品质有不同程度的影响。

     

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出版历程
  • 收稿日期:  2015-07-01
  • 网络出版日期:  2016-07-20

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