| 摘要 |
PURPOSE:To attain automatic tracking toward a satellite by making a gyro axis coincident with a vertical stabilizing shaft, making the center of gravity of a structure coincident around a correction shaft of the latter shaft, utilizing the gyro effect and controlling a signal of a tilt angle with a motor coupled directly to the correcting shaft. CONSTITUTION:The tilt of the gyro axis of the vertical stabilizing shaft VAX is detected by level sensors LS1, LS2 in the shaft VAX and controlled by torque motors M1, M2 respectively. There is a sufficient margin in the degree of mechanical freedom of the device of this invention, but in order to provide further margin, elastic stoppers ST1, ST2 having a proper friction resistance over the entire movable range of the shaft VAX are provided to the vertical stabilizing shaft VAX and a pedestal supporting post PD in parallel with the correcting shafts AX1, AX2 as the stoppers in the antenna device. If the shaft VAX contacts the stopper ST2, a torque cancelling presession by means of the friction with the stopper ST2 is delivered to the axis AX1 so as to support the shaft VAX. |
