A pointing control system is developed for the Gamma-Ray Imager/Polarimeter for Solar flares (GRIPS) balloon-borne instrument which provides a near-optimal combination of high-resolution imaging, spectroscopy, and polarimetry of solar-flare gamma-ray/hard X-ray emissions from ∼20 keV to ∼10 MeV. Within the narrow field of view of its sun sensor, the telescope must track the sun with a 0.5 degrees rms accuracy. This paper introduces the mechanical structure of the pointing control system and investigates the dynamics and control strategy and presents the simulation and experimental results.
- Dynamic Systems and Control Division
Dynamic Analysis and Controller Design of the Balloon Point Control System of Gamma-Ray Imager/Polarimeter for Solar Flares
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Mao, Y, Auslander, D, Wiputra, E, Dokko, B, Pankow, D, & Saint Hilaire, P. "Dynamic Analysis and Controller Design of the Balloon Point Control System of Gamma-Ray Imager/Polarimeter for Solar Flares." Proceedings of the ASME 2014 Dynamic Systems and Control Conference. Volume 1: Active Control of Aerospace Structure; Motion Control; Aerospace Control; Assistive Robotic Systems; Bio-Inspired Systems; Biomedical/Bioengineering Applications; Building Energy Systems; Condition Based Monitoring; Control Design for Drilling Automation; Control of Ground Vehicles, Manipulators, Mechatronic Systems; Controls for Manufacturing; Distributed Control; Dynamic Modeling for Vehicle Systems; Dynamics and Control of Mobile and Locomotion Robots; Electrochemical Energy Systems. San Antonio, Texas, USA. October 22–24, 2014. V001T03A002. ASME. https://doi.org/10.1115/DSCC2014-5894
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