Direct Closed-Loop Control Structure for the Three-Axis Satcom-on-the-Move Antenna
Jiao Ren,
Xiaoxiang Ji,
Lei Han
et al.
Abstract:The traditional Satcom-on-the-Move (SOTM) mechanical structure consists of a dual-axis configuration with an azimuth axis and a pitch axis. In this structure, when the pitch angle is 90 degrees, the rotation of the azimuth axis cannot change the antenna’s direction. To solve this issue, a three-axis SOTM mechanical structure has been developed. The traditional three-axis SOTM servo control system adopts a closed-loop control scheme. In this scheme, due to the difficulty in directly obtaining the antenna’s rota… Show more
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