Micro-Vibration Environment Parameters Measurement and Analysis of a Novel Satellite in Orbit

Wu, Panfeng; Xu, Zhenlong; Wang, Xiaoyu; Yang, Jiandong; Wang, Debo

doi:10.1007/978-3-030-27300-2_31

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2022

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“…Fourier transform infrared spectrometer is widely used to explore the composition of planetary atmosphere and the characteristics of solid surface due to its wide spectral range, high spectral resolution, accurate wavenumber and radiance calibration and high detection reliability [1][2]. The high-resolution spectrometers "Fy-3", "Fy-4" and "GF-5" launched in China in recent years are all time-modulated Fourier transform spectrometers.…”

Section: Introductionmentioning

confidence: 99%

Spatial High Precision Scanning Control Method Based on Feedforward Closed-Loop Model Reference Adaptive

Guo¹,

Wang²,

Song³

2022

J. Phys.: Conf. Ser.

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The time-modulated Fourier transform spectrometer realizes spectrum detection by scanning the optical path of the corner mirror. During the scanning process, the servo system is required to have high-precision and low-speed characteristics. Aiming at the fluctuation of scanning speed caused by spatial micro-vibration during scanning, a closed-loop model reference adaptive control algorithm based on feedforward is studied. The permanent magnet synchronous linear motor is used to drive the angle mirror to move back and forth along the guide rail to achieve large optical path and high-precision scanning with the maximum optical path difference of ± 34cm, the speed stability ≥ 99%.

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Section: Introductionmentioning

confidence: 99%