Tabletop Testbed for Attitude Determination and Control of Nanosatellites

SILVA, R.C.D., GUIMARÃES, F.C., LOIOLA, J.V.L.D., BORGES, R.A., BATTISTINI, Simone and CAPPELLETTI, C. (2018). Tabletop Testbed for Attitude Determination and Control of Nanosatellites. Journal of Aerospace Engineering, 32 (1), 04018122-04018122.

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To simulate the conditions of the space environment at ground, the Laboratory of Application and Innovation in Aerospace Science (LAICA) of the University of Brasília (UnB) is developing a dedicated testbed to reproducing nanosatellite attitude motion. The testbed is composed of an air-bearing table and a Helmholtz cage. The air-bearing table is a spacecraft simulator that can simulate frictionless conditions with three rotational degrees of freedom. Balancing the simulator is essential in order to make the gravitational torque negligible. The testbed is also equipped with a Helmholtz cage to recreate the Earth's magnetic field conditions that spacecrafts encounter in orbit. This paper presents the design and realization of this low-cost testbed. A simple and efficient automated balancing algorithm based on the least-squares method (LSM) is proposed and validated by experiments. The performance of the proposed simulator is evaluated and compared with previous works.

Item Type: Article
Uncontrolled Keywords: 0901 Aerospace Engineering; 0913 Mechanical Engineering; Aerospace & Aeronautics
Identification Number:
Page Range: 04018122-04018122
SWORD Depositor: Symplectic Elements
Depositing User: Symplectic Elements
Date Deposited: 22 Jul 2019 10:31
Last Modified: 18 Mar 2021 03:55

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