A ZERO GYRO-ZERO WHEEL CONTROLLER FOR HUBBLE SPACE TELESCOPE

机译：太空望远镜的零回转陀螺零控制器

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Since its deployment the Hubble Space Telescope (HST) has experienced two gyro failures and one anomaly. A new safemode, Zero-Gyro, Zero-Wheel (ZGZW) safemode is proposed, this safemode is designed to ensure a power positive state in case of concurrent gyro and reaction wheel failure. The control law provides for initial sun capture, nutation damping and pointing control, without the use of Rate Gyro Assembly (RGA) and Reaction Wheel Assembly (RWA). The controller's stability and performance are validated through a simulation. This paper presents an overview of the ZGZW algorithm, control system design, and the simulation results.

机译：自部署以来，哈勃太空望远镜（HST）经历了两次陀螺仪故障和一次异常。提出了一种新的安全模式，零陀螺，零车轮（ZGZW）安全模式，该安全模式旨在确保在同时发生陀螺仪和反作用轮故障时确保动力为正状态。该控制法规定了初始太阳捕获，章动阻尼和指向控制，而无需使用速率陀螺仪组件（RGA）和反作用轮组件（RWA）。通过仿真验证了控制器的稳定性和性能。本文概述了ZGZW算法，控制系统设计和仿真结果。

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来源
《AIAA Guidance, Navigation and Control Conference Pt.2, Aug 1-3, 1994, Scottsdale, AZ》|1994年|p.663-673|共11页
会议地点 Scottsdale AZ(US)
作者
Gurpartap S. Sandhoo; Nabih E. Bedewi; Tom W. Flatley; David J. Mangus; F. Landis Markley;
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CMEE, SEAS George Washington University, Washington DC, 20052;

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原文格式 PDF
正文语种 eng
中图分类航空;
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2. The deep blue color of HD 189733b: Albedo measurements with Hubble Space Telescope/Space Telescope imaging spectrograph at visible wavelengths [J] . Evans T.M., Pont F., Sing D.K., The Astrophysical Journal. Letters . 2013,第2aPta2期

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3. ABSOLUTE FLUX CALIBRATION OF THE IRAC INSTRUMENT ON THE SPITZER SPACE TELESCOPE USING HUBBLE SPACE TELESCOPE FLUX STANDARDS [J] . R. C. Bohlin1, K. D. Gordon1, G. H. Rieke2, The Astrophysical journal . 2011,第5期

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4. A ZERO GYRO-ZERO WHEEL CONTROLLER FOR HUBBLE SPACE TELESCOPE [C] . Gurpartap S. Sandhoo, Nabih E. Bedewi, Tom W. Flatley, AIAA guidance, navigation and control conference . 1994

机译：用于哈勃太空望远镜的零陀螺零轮控制器
5. Investigating the Wavelength Dependence of Weak Lensing Measurement From a Space Telescope and Estimating the Reduced Shear Signal in the Hubble Space Telescope Frontier Parallel Fields [D] . Tung, Nathan 2019

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A ZERO GYRO-ZERO WHEEL CONTROLLER FOR HUBBLE SPACE TELESCOPE

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