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A design study of a microthrust balance for space applications

机译:用于空间应用的微推力天平的设计研究

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Spacecraft drift from their desired orbit as a result of being subjected to external forces, such as gravity, atmospheric drag or solar pressure. In situ propulsion systems are employed to maintain a spacecraft in a specific orbit. Field emission electric propulsion (FEEP) has been proposed as a technique for maintaining orbits to very high precision for applications such as the measurement of the effects of gravitational waves. The specification of the PEEP thrusters is very demanding and they require calibration over a range of 1-30 mu N to an accuracy of +/-0.1 mu N in the frequency range of 0.1 to 10 Hz. A design study has been completed of two balances, one with a real pivot and the other with a virtual pivot, for calibrating FEEP thrusters. [References: 11]
机译:由于受到外力(例如重力,大气阻力或太阳压力)的影响,航天器偏离了期望的轨道。采用原位推进系统将航天器维持在特定轨道上。已经提出了场发射电推进(FEEP)作为一种用于将轨道保持在非常高精度的技术,以用于诸如重力波影响的测量的应用。 PEEP推进器的规格要求很高,它们需要在1-30μN的范围内进行校准,以在0.1至10 Hz的频率范围内达到+/- 0.1μN的精度。已经完成了两个天平的设计研究,一个带有真实枢轴,另一个带有虚拟枢轴,用于校准FEEP推进器。 [参考:11]

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