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首页> 外文期刊>Transactions of the Japan society for aeronautical and space sciences >Experimental Demonstration of Cryogenic Cooler Disturbance Attenuation Using the Non-Linear Passive Isolation System
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Experimental Demonstration of Cryogenic Cooler Disturbance Attenuation Using the Non-Linear Passive Isolation System

机译：使用非线性被动隔离系统的低温冷却器扰动衰减的实验演示

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This study demonstrates the isolation performance of a non-linear passive isolator to enhance the pointing performance through isolating disturbances induced by a spaceborne cryogenic cooler. In this paper, a non-linear passive isolation system with varying stiffness under launching and under on-orbit conditions to attenuate the micro-vibration of the cooler is proposed. The isolation system provides low stiffness for small excitation of the cooler during on-orbit operation and high stiffness when the excitation range is relatively larger under the launch environment. The performance of the passive isolation system is investigated through both a launch environment test and a micro-vibration measurement test of the cooler combined with non-linear passive isolators.
机译：这项研究表明，非线性无源隔离器的隔离性能可通过隔离星载低温冷却器引起的干扰来增强指向性能。本文提出了一种非线性无源隔离系统，该系统在发射和在轨条件下具有变化的刚度，以减弱冷却器的微振动。隔离系统在轨道运行期间为冷却器的小激励提供低刚度，而在发射环境下激励范围相对较大时则提供高刚度。通过启动器测试和结合非线性无源隔离器的冷却器的微振动测量测试，可以研究无源隔离系统的性能。

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