Documentdetail
ID kaart
oai:arXiv.org:2410.07376
Onderwerp
Astrophysics - Instrumentation and... Electrical Engineering and Systems...Auteur
Cachim, Pedro Kraus, Will Manchester, Zachary Lourenco, Pedro Ventura, RodrigoCategorie
wetenschappen: astrofysica
Jaar
2024
vermelding datum
06-11-2024
Trefwoorden
controller structuresBeschrijving
Recent spacecraft mission concepts propose larger payloads that have lighter, less rigid structures.
For large lightweight structures, the natural frequencies of their vibration modes may fall within the attitude controller bandwidth, threatening the stability and settling time of the controller and compromising performance.
This work tackles this issue by proposing an attitude control design paradigm of distributing momentum actuators throughout the structure to have more control authority over vibration modes.
The issue of jitter disturbances introduced by these actuators is addressed by expanding the bandwidth of the attitude controller to suppress excess vibrations.
Numerical simulation results show that, at the expense of more control action, a distributed configuration can achieve lower settling times and reduce structural deformation compared to a more standard centralized configuration.
;Comment: 10 pages, 9 figures
Cachim, Pedro,Kraus, Will,Manchester, Zachary,Lourenco, Pedro,Ventura, Rodrigo, 2024, Optimal Attitude Control of Large Flexible Space Structures with Distributed Momentum Actuators
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