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store flutter
相关语句
  外挂颤振
     A study on low speed wind tunnel test of wing/store flutter suppressed by remote pivot decoupler pylon with alignment system is carried out.
     进行了带有调整系统的远铰解耦挂架抑制机翼/外挂颤振的低速风洞试验研究.
短句来源
     Asymmetric store flutter, a very important problem in aircraft engineering, is investigated in detail in this paper according to the mode localization theory and the transition mechanism of flutter modes.
     根据模态局部化理论及颤振模态的转变机理,详细研究了不对称外挂颤振这一重要的飞机工程问题。
短句来源
  “store flutter”译为未确定词的双语例句
     INVESTIGATION OF CONTROL LAWS FOR THE SUPPRESSION OF WING/STORE FLUTTER
     机翼/外挂颤振主动抑制的控制律研究
短句来源
     Investigation of Wing/Store Flutter Semi Active Suppression with Coulomb Damper
     电磁阻尼器对机翼外挂系统颤振增益调度控制
短句来源
     Control laws for the suppression of wing/store flutter are investigated in this paper.
     本文介绍了对机翼/外挂系统的颤振抑制控制律的研究。
短句来源
     Based on the use of impact damper to suppress the wing/store flutter, the effect of the clearance ratio of impact damper on flutter speed is analysed. The digital simulation model of semi-active wing/store flutter suppression system is estabished and the technique of using impact damper is investigated.
     本文在碰撞阻尼器引入机翼/外挂系统的基础上,分析了碰撞间隙对机翼/外挂系统颤振速度的影响,建立了半主动抑制颤振模型,用增益调度控制方法对带碰撞阻尼器的机翼/外挂系统进行反馈控制。
短句来源
  相似匹配句对
     SUBHARMONIC FLUTTER RESPONSE OF WING/STORE SYSTEM
     机翼/外挂的次谐颤振响应
短句来源
     EFFECTS OF THE PYLON PITCHING STIFFNESS ON WING-STORE FLUTTER
     外挂俯仰连接刚度对机翼颤振的影响
短句来源
     Store Automation
     商场自动化
短句来源
     Flutter as Butterfly
     彩蝶飞舞
短句来源
     The Store and Process of Soybean
     大豆贮藏与加工研究综述
短句来源
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Some new developments of aeroelastic research in China are reviewed, which include calculation of unsteady transonic aerodynamic forces, HAJIF-II, a program system for dynamic analysis of aircraft structures and its application, YIDOYU-1, a program system for structural optimization with multiconstraint, experimental investigation on external stores flutter and active flutter suppression.

本文概述近年来国内气动弹性研究的若干新进展。主要包括,跨音速非定常空气动力计算,航空结构动力分析系统H AJIF-Ⅱ及其应用,飞机结构多约束优化设计系统YIDOYU-Ⅰ,外挂物颤振的试验研究,以及颤振主动抑制。

Control laws for the suppression of wing/store flutter are investigated in this paper. The wing tunnel test was conducted for three control laws used. It shows that the design of control laws is successful and an excellent agreement between the calculated and test results is achieved.Two kinds of flutter suppression control laws based on modern control theory are presented emphatically. State feedback are obtained by the combination of optimal control theory and state-space method used in flutter...

Control laws for the suppression of wing/store flutter are investigated in this paper. The wing tunnel test was conducted for three control laws used. It shows that the design of control laws is successful and an excellent agreement between the calculated and test results is achieved.Two kinds of flutter suppression control laws based on modern control theory are presented emphatically. State feedback are obtained by the combination of optimal control theory and state-space method used in flutter analysis, and then the control laws with output feedback having various forms and performances are obtained. In addition, the gust alleviation and stability margin of this system is discussed.For comparison of different kinds of control laws, also the control laws based on aerodynamic energy concept and single rank method are listed.Control laws for the suppression of wing/store flutter are investigated in this paper. The wing tunnel test was conducted for three control laws used. It shows that the design of control laws is successful and an excellent agreement between the calculated and test results is achieved.Two kinds of flutter suppression control laws based on modern control theory are presented emphatically. State feedback are obtained by the combination of optimal control theory and state-space method used in flutter analysis, and then the control laws with output feedback having various forms and performances are obtained. In addition, the gust alleviation and stability margin of this system is discussed.For comparison of different kinds of control laws, also the control laws based on aerodynamic energy concept and single rank method are listed.

本文介绍了对机翼/外挂系统的颤振抑制控制律的研究。并用三种控制律的结果进行了风洞实验验证。结果表明:控制律的设计是成功的,理论计算与实验结果吻合良好。 文中重点介绍了两种控制律,它们都是以现代控制理论为基础。首先,把最优控制理论与颤振分析的状态空间法相结合,得到状态反馈。然后导出不同的输出反馈。文中,还讨论了该系统的阵风减缓和稳定裕度。 为对比起见,还给出了在同一模型上,用气动能量概念方法导出的控制律。由此,可看出它们在颤振抑制效益上的差异。

A study on low speed wind tunnel test of wing/store flutter suppressed by remote pivot decoupler pylon with alignment system is carried out.The tests are conducted on a wing model with large aspect ratio. The test results show that the flutters speed of the wing/remote pivot decoupler pylon/store is much higher than that of the wing/conventional pylon/store and is insensitive to the variation of the store inertia when the store pitch frequency lies in the soft region. The...

A study on low speed wind tunnel test of wing/store flutter suppressed by remote pivot decoupler pylon with alignment system is carried out.The tests are conducted on a wing model with large aspect ratio. The test results show that the flutters speed of the wing/remote pivot decoupler pylon/store is much higher than that of the wing/conventional pylon/store and is insensitive to the variation of the store inertia when the store pitch frequency lies in the soft region. The test results also show that the alignment system can adjust the static store deflections ralative to the wing into a very small design range. The paper also compares the flutter suppression effect of the remote pivot pylon with that of the single pivot pylon. Furthermore the test results show that the remote pivot pylon has substantially smaller store acceleration response and remote pivot pylon requires less frequent activation of its alignment system than does a single pivot pylon. The influence of the parameters of four-linkage in remote pivot pylon on store pitch frequency is discussed. The results of theoretical calculation are in good agreement with those of the test.

进行了带有调整系统的远铰解耦挂架抑制机翼/外挂颤振的低速风洞试验研究.试验是在大展弦比机翼颤振模型上进行的.试验结果表明:当外挂俯仰频率落在柔性区范围时,机翼/远铰解耦挂架/外挂的颤振速度比机翼/常规挂架/外挂的颤振速度有显著提高;且其颤振速度对外挂惯性特性的变化不敏感.试验结果还表明;调整系统可将外挂与机翼的相对静偏移修正到很小的设计角度内.文中还进行了单铰和远铰两种解耦挂架方案颤振抑制效果的比较,试验结果表明:远铰方案中外挂俯仰振动加速度响应比单铰时明显减小;且调整电机启动频率也比单铰时为低.文中还讨论了远铰挂架四连杆机构参数对外挂俯仰频率的影响.

 
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