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Updated: May 13, 2025

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Optimization, Test and Diagnostics of Miniaturized Hall Thrusters
Published on: February 16, 2019
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一个弹性摆形推力支架用于评估10mN级推进系统的六度自由推力
I Moriai1, H Koizumi1,2, K Komurasaki1
1Department of Aeronautics and Astronautics, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan.
The Review of scientific instruments
|April 15, 2025
概括
这项研究引入了一种新的弹性摆形推力支架,用于精确测量立方卫星推进系统中的六个组件推力向量. 新设计提高了低推力测量的精度,这对于任务质量至关重要.
科学领域:
- 航空航天工程 航空航天工程
- 机械工程 机械工程
- 太空飞船推进器 太空飞船推进器
背景情况:
- 精确测量六组件推力向量对于先进的立方卫星任务至关重要.
- 推进系统可能会产生意想不到的推力和扭矩,影响任务质量.
- 传统的推力支架在测量低推力 (mN类) 推进系统方面存在局限性.
研究的目的:
- 为立方卫星推进系统提出并演示弹性摆形六度自由度推力支架.
- 为了克服传统推力支架在测量低推力元件方面的局限性.
- 为了能够精确测量所有推力和扭矩组件.
主要方法:
- 设计了一种弹性摆形六度自由的推力支架,利用弹来支推进系统.
- 改进了有效的推力与重量比,以提高低推力测量的灵敏度.
- 实施了零平衡方法,使用六个声线圈电机进行精确的六度自由度推力测量.
- 执行了硬度矩阵的机械表征,以确认线性和功能.
主要成果:
- 通过测量10mN级冷气推进器来证明推进架的能力.
- 对于推力向量组件,达到0.82mN内的测量不确定性.
- 在扭矩组件中达到0.13mN·m内的测量不确定性.
- 使用传播分析,严格推导出不确定性.
结论:
- 拟议的弹性摆形推力支架有效地测量了CubeSat推进的六个组件推力向量.
- 这种新的设计显著提高了低推力系统的测量精度.
- 这项技术对于在立方卫星任务中确保高质量的推力和扭矩性能至关重要.
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