JPH0338907U - - Google Patents
Info
- Publication number
- JPH0338907U JPH0338907U JP3344490U JP3344490U JPH0338907U JP H0338907 U JPH0338907 U JP H0338907U JP 3344490 U JP3344490 U JP 3344490U JP 3344490 U JP3344490 U JP 3344490U JP H0338907 U JPH0338907 U JP H0338907U
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- azimuth
- moving body
- directional
- detection signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 206010034719 Personality change Diseases 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 2
- 230000009466 transformation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
Description
第１図は従来のアンテナ装着構造を示した説明
図、第２図は本考案におけるアンテナ装着を示し
たヘリコプタの側面図、第３図は第２図の平面図
、第４図は本考案の実施例を示したブロツク図、
第５図は第４図の計算機構部の具体的構成を示し
たブロツク図、第６図は本考案で用いるコンパレ
ータの回路図、第７図は第６図の入出力特性図、
第８図は第６図のコンパレータの動作による信号
波形図、第９図は本考案によるアンテナ切換えの
作用を示した地球座標の平面図である。
１……移動体、２，２Ａ，２′Ａ，２Ｂ……ア
ンテナ、３……アンテナロツド、４……計算機構
部、５Ａ，５Ｂ……駆動機構部、６……基準ベク
トル発生器、７……アンテナ−機体座標変換部、
８……機体−地球座標変換部、９……方位−俯仰
角計算部、１０，１１，１８，１９，２４……シ
ンクロ制御発信機、１２，１３……増幅器、１４
，１５……モータ、１６，１７……ギヤートレー
ン、２０，２１……手動−自動設定機構、２２…
…アンテナ方位角指示器、２３……アンテナ俯仰
角指示器、２５……同期整流器、２６……コンパ
レータ、２７，２８……増幅器、２９……ダイオ
ード・スイツチ、３０……オペアンプ。
Fig. 1 is an explanatory diagram showing a conventional antenna mounting structure, Fig. 2 is a side view of a helicopter showing the antenna mounting according to the present invention, Fig. 3 is a plan view of Fig. 2, and Fig. 4 is a diagram showing the antenna mounting structure of the present invention. A block diagram showing an example,
FIG. 5 is a block diagram showing the specific configuration of the calculation mechanism section in FIG. 4, FIG. 6 is a circuit diagram of a comparator used in the present invention, and FIG. 7 is an input/output characteristic diagram of FIG. 6.
FIG. 8 is a signal waveform diagram due to the operation of the comparator shown in FIG. 6, and FIG. 9 is a plan view on earth coordinates showing the operation of antenna switching according to the present invention. DESCRIPTION OF SYMBOLS 1... Moving body, 2, 2A, 2'A, 2B... Antenna, 3... Antenna rod, 4... Calculation mechanism section, 5A, 5B... Drive mechanism section, 6... Reference vector generator, 7... ...Antenna-aircraft coordinate conversion unit,
8...Aircraft-Earth coordinate conversion unit, 9...Azimuth-elevation angle calculation unit, 10, 11, 18, 19, 24...Synchronized control transmitter, 12, 13...Amplifier, 14
, 15... Motor, 16, 17... Gear train, 20, 21... Manual-automatic setting mechanism, 22...
...Antenna azimuth angle indicator, 23...Antenna elevation angle indicator, 25...Synchronous rectifier, 26...Comparator, 27, 28...Amplifier, 29...Diode switch, 30...Operation amplifier.
Claims (1)
性アンテナの方向制御を方向ジヤイロから得られ
る基準方位に対する方位角及び鉛直ジヤイロから
得られる水平面に対するピツチ角及びロール角を
検出信号として座標変換を行ない最終的に上記基
準方位及び水平面に設定した方位及び俯仰の２設
定角に対応する２つのサーボ駆動系により方向自
動制御する装置において、 前記移動体に２つの指向性アンテナを装備し、
該アンテナのうち移動体の姿勢により影響を受け
ないいずれか一方の指向性アンテナを前記サーボ
駆動系によるアンテナ方向角に基づいて選択して
電波を地上基地局へ送信するアンテナ選択手段を
設け、該アンテナ選択手段は調整自在なヒステリ
シス幅をもつ基準値とアンテナ方位角との比較出
力に基づいてアンテナの選択を指令するヒステリ
シス特性を有す比較器を備えたことを特徴とする
アンテナ自動指向装置。[Claims for Utility Model Registration] Directional control of a directional antenna installed on a moving body whose orientation and attitude change is achieved by controlling the direction of a directional antenna installed on a moving body whose orientation and attitude change by controlling the azimuth angle relative to a reference direction obtained from a direction gyroscope, and the pitch angle and roll angle relative to a horizontal plane obtained from a vertical gyroscope. In a device that performs coordinate transformation using a detection signal as a detection signal and finally automatically controls direction using two servo drive systems corresponding to two set angles of azimuth and elevation set on the reference azimuth and the horizontal plane, the moving body has two directivity. Equipped with an antenna,
Antenna selection means is provided for selecting one of the directional antennas, which is not affected by the attitude of the mobile object, based on the antenna direction angle by the servo drive system and transmitting radio waves to the ground base station; An antenna automatic pointing device characterized in that the antenna selection means includes a comparator having a hysteresis characteristic that commands selection of an antenna based on a comparison output between a reference value having an adjustable hysteresis width and an antenna azimuth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990033444U JPH0416487Y2 (en) | 1990-03-29 | 1990-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990033444U JPH0416487Y2 (en) | 1990-03-29 | 1990-03-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0338907U true JPH0338907U (en) | 1991-04-15 |
| JPH0416487Y2 JPH0416487Y2 (en) | 1992-04-14 |
Family
ID=31537108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990033444U Expired JPH0416487Y2 (en) | 1990-03-29 | 1990-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416487Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51115716A (en) * | 1975-04-02 | 1976-10-12 | Mitsubishi Electric Corp | Diversity receiver |
| JPS52660A (en) * | 1975-06-23 | 1977-01-06 | Fumakiraa Kk | Method of insecticide and disinfection by ultrasonic oscillator |
-
1990
- 1990-03-29 JP JP1990033444U patent/JPH0416487Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51115716A (en) * | 1975-04-02 | 1976-10-12 | Mitsubishi Electric Corp | Diversity receiver |
| JPS52660A (en) * | 1975-06-23 | 1977-01-06 | Fumakiraa Kk | Method of insecticide and disinfection by ultrasonic oscillator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0416487Y2 (en) | 1992-04-14 |
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