"Moving" Antenna Servo Control System Design And Implementation Hardware Research On The Measurement System Of Ring Laser Resonant Cavity On Ship

Content of this paper is satellite antenna servo control platform. The device is mainly used to control sea vessels and satellite communications. This paper conducted the following research:1. Proposed overall system design, including the mechanical structure of the system and the corresponding device selection. System hardware module has three parts to carry on the design, the AHRS unit, the motor drive unit and control unit.2. Select different models feature of the same series tilt sensor to comparison test, use single-axis gyro output、differential biaxial hardware、differential biaxial software to compare measurements, ultimately determine single-axis tilt sensor inside from differential mode, dual-axis gyroscope hardware differential mode constitutes SINS.3. In order to eliminate the influence of external interference AHRS subsystem, use sliding least squares polynomial tilt sensor for digital filter. Tilt sensor measurements can’t reflect the tilt angle under the influence of acceleration moreover the gyroscope prone to zero drift and temperature drift in static when the vessel moves and generates acceleration. So it uses mutual compensation between the tilt sensor and gyroscope.4. Research on algorithm about geodetic coordinates and the coordinates on the Carrie. Three-axis motor with closed-loop control for the azimuth,pitch and roll, design of intelligent partition PID control algorithm for three-axis. 5. The software of the whole system is designed, which includes system’s initialization module, stabilization tracking module, the monitoring module and Protection module. Also, the method of how to realize them is proposed.6. The platform works well under the disturbances, which is supplied by the three-axis motion simulator, gives the stable tracking accuracy of the system.Finally, the results of this system and the deficiencies were summarized, and the ship "Moving" of the satellite antenna system further development were discussed, in the next stage on the system accuracy and superiority on energy can be on a more level.