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ROBUST FAULT DIAGNOSIS OF THE MICROSCOPE SATELLITE MICRO-THRUSTERS

机译:显微镜卫星微推动的强大故障诊断

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摘要

This paper addresses the fault diagnosis task of the satellite Microscope actuators. The considered faults are the Field Emission Electric Propulsion (FEEP) thrusters faults occurring when a thruster blocks itself or closes itself during operating. The proposed diagnosis scheme is based on the non-conservative residual generation scheme proposed in (Henry and Zolghadri, 2005 a) for LTI uncertain systems under feedback control, combined with a post-residual auto-piloted filter. The proposed scheme is optimal in the sense that the effects that thrusters faults have on the residuals is maximized and the influence of both spatial disturbances and sensor noises, minimized, in the H_∞/H_--norm sense.
机译:本文解决了卫星显微镜执行器的故障诊断任务。考虑的断层是当推动器块本身或在运行过程中关闭时发生的场发射电推进器(Feep)推进器故障。所提出的诊断方案基于(HENRY和Zolghadri,2005A)中提出的非保守剩余发电方案,用于LTI不确定系统在反馈控制下,结合剩余后的自动驾驶过滤器。所提出的方案在意义上是最佳的,即推进误差对残留物的效果最大化,并且空间扰动和传感器噪声的影响最小化,最小化,在H_∞/ h __--常态中。

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