JPS6242319U

JPS6242319U -

Info

Publication number: JPS6242319U
Application number: JP13251385U
Authority: JP
Priority date: 1985-08-30
Filing date: 1985-08-30
Publication date: 1987-03-13

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す概略図、第
２図はギヤツプセンサを切り換えるタイミング信
号図、第３図は従来の人工衛星のアンテナ制御装
置を示す概略図である。図において、１はアンテナ、２Ａ〜２Ｄはギヤ
ツプセンサ、３Ａ〜３Ｄはギヤツプセンサアンプ
、４は演算回路、５は制御回路、６はパワーアン
プ、７はアンテナ駆動機構、８はギヤツプコント
ローラ、９はコマンド信号解読器、１０はメモリ
回路、１１は地上コマンド信号、ＶＣ_１は外部ア
ンテナ制御信号、ＶＣ_２はギヤツプセンサ切換え
タイミング信号、ＶＣ_２Ａ〜ＶＣ_２Ｄはギヤツプ
センサ個々の切換えタイミング信号、ｔはタイミ
ング信号のサンプリングレートである。なお、図
中同一あるいは相当部分には同一符号を付して示
してある。 FIG. 1 is a schematic diagram showing an embodiment of this invention, FIG. 2 is a timing signal diagram for switching a gap sensor, and FIG. 3 is a schematic diagram showing a conventional antenna control device for an artificial satellite. In the figure, 1 is an antenna, 2A to 2D are gap sensors, 3A to 3D are gap sensor amplifiers, 4 is an arithmetic circuit, 5 is a control circuit, 6 is a power amplifier, 7 is an antenna drive mechanism, and 8 is a gap controller. , 9 is a command signal decoder, 10 is a memory circuit, 11 is a ground command signal, VC ₁ is an external antenna control signal, VC ₂ is a gap sensor switching timing signal, VC ₂ A to VC ₂ D are switching timing signals for individual gap sensors, t is the sampling rate of the timing signal. It should be noted that the same or corresponding parts in the figures are indicated by the same reference numerals.

Claims

[Scope of utility model registration request]

A device for controlling the antenna of an artificial satellite for three-axis attitude control, in which a plurality of gap sensors are arranged in each of the X and Y axes of the antenna, and a command that generates a signal to switch the gap sensors by command control from the ground. a signal decoder, a memory circuit that stores the signal from the command signal decoder, a gap controller that is controlled by the timing signal of the memory circuit, and an arithmetic circuit that converts the output of the gap controller into an antenna angle. , a control circuit that detects a difference between the output of the arithmetic circuit and the output of the arithmetic circuit based on a command from an external antenna signal, a power amplifier that amplifies the minute signal output from the control circuit, and an antenna that directs the antenna in a predetermined direction using the output of the power amplifier. An antenna control device for an artificial satellite, characterized by comprising a drive mechanism.