The present disclosure provides a non-linear energy sink for damping a vibrating structure, comprising: a mass block; the components are used for providing combined rigidity and comprise components used for providing linear rigidity and components used for providing non-linear rigidity, and the components are connected in parallel; and the component for providing combined damping comprises a component for providing linear damping and a component for providing non-linear damping which are connected in parallel, and the component for providing the combined rigidity and the component for providing the combined damping are connected between the vibration structure and the mass block in parallel. The invention further provides a spacecraft with the nonlinear energy trap. By means of the nonlinear energy trap, a good vibration reduction effect can be provided for a vibration structure.

    本公开提供了一种用于对振动结构进行减振的非线性能量阱,其包括:质量块;用于提供组合刚度的构件,其包括并联连接的用于提供线性刚度的构件和用于提供非线性刚度的构件;以及用于提供组合阻尼的构件,其包括并联连接的用于提供线性阻尼的构件和用于提供非线性阻尼的构件,其中,用于提供组合刚度的构件与用于提供组合阻尼的构件以并联的方式连接在振动结构与质量块之间。本公开还提供了一种具有该非线性能量阱的航天器。通过该非线性能量阱,可以对振动结构提供较好的减振效果。


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    Title :

    Nonlinear energy trap and spacecraft


    Additional title:

    非线性能量阱和航天器


    Contributors:
    KONG XIANREN (author) / ZHANG YUNFA (author) / YUE CHENGFEI (author) / GUO JINSHENG (author) / CHEN XUEQIN (author)

    Publication date :

    2022-09-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS





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