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The Control System Design of Antenna Trails Based on TMS320LF2407 Chip |
HUA Feng-lei, LIU Si-yu, FU Wen-jun |
(Center for Space Science and Applied Research,Chinese Academic of Science,Beijing100080,China) |
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Abstract To resolve the problem of antenna aims at synchronous satellite automatically in plane, we designed control method of antenna trails based on TMS320LF2407 Chip by counting quadrature encoded pulses(QEP). The quadrature encoded pulses consist of two sequences of pulses with variable frequencies and fixed phase shifts of a quarter of a period (90 degrees).The method used position and speed closed-loop to achieve preferable dynamic response and trail precision, at the same time gave software flow chart in scheme. In addition to, the article deduced calculational formula of antenna trailling angle.
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Received: 04 December 2006
Published: 25 November 2011
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