CN1547285A - Antenna servo tracking system - Google Patents
Antenna servo tracking system Download PDFInfo
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- CN1547285A CN1547285A CNA200410045441XA CN200410045441A CN1547285A CN 1547285 A CN1547285 A CN 1547285A CN A200410045441X A CNA200410045441X A CN A200410045441XA CN 200410045441 A CN200410045441 A CN 200410045441A CN 1547285 A CN1547285 A CN 1547285A
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Abstract
The present invention relates to an antenna servo tracking system which comprises an antennae turn plate and a control box. Said system is characterized in that the output port of the control box is connected with the antennae turn plate, the input port of the control box is connected with a PC machine, the input port of the PC machine is connected with a data radio station, and a GPS receiver is connected with an aspect sensor at the antennae turn plate through the control box. The present invention has a compact conformation, a low price and a light weight, is convenient to carry, is safe and reliable when being used, can track aerial crafts on real time, can improve transmission effects of a data chain, and can alleviate the interferes generated by the antenna system itself. The present invention is suitable for various unmanned aerial vehicles.
Description
Technical field
The present invention relates to a kind of antenna servo tracking system, is a kind of antenna servo tracking system that is mainly used in the data chainning transmission of unmanned plane.
Background technology
Along with selected antenna frequency range in the communication is more and more higher, the beamwidth of antenna is more and more narrow, has reached several years even several years at zero point, makes more and more higher to the requirement of antenna servo system.Add that unmanned plane enters civil area more and more, for cost costliness, complex operation, the antenna system of carrying inconvenience is actually and exists in name only, and is difficult to put goods on the market.
In the prior art, to the existing people's research of servo antenna.Present most of antenna servo system all is to adopt two-dimensional scan, turntable is relatively heavier, the controller more complicated, Institutes Of Technology Of Nanjing has reported a kind of antenna servo system, the controller of whole system is made up of Display And Keyboard plate, measurement and control board, excited signal, aspect sensor, pitch sensor, polarization sensor and electric machine controller, the cost of whole system does not have price advantage with respect to a unmanned plane during flying platform, and systematic comparison is huge, the energy consumption height is unfavorable for promoting generally.
Summary of the invention
The object of the present invention is to provide a kind of antenna servo tracking system, its compact conformation, cheap, in light weight, be easy to carry, easy to operate, and can reach the real-time tracking aircraft, and improve the laser propagation effect of data chainning, alleviate the interference that antenna system itself produces.
In order to realize such purpose, design of the present invention is: a kind of antenna servo system based on COMPASS is provided, is made up of control cabinet, PC, turntable, high-gain aerial etc.Processing host adopts PC, owing to all can use PC in whole flight control system the inside, we only need expansion dual serial communication port just can utilize existing resources, the complexity of mitigation system and cost here.Turntable adopts alternating current machine to drive, and it is very little that volume, weight and cost can be reduced to, and very steady by handling the back running, and driving force is strong, compares with system driven by stepper motors, and price is wanted considerably cheaper.Control cabinet mainly is the control command of power supply and PC to be changed into control signal pass to antenna rotating platform, simultaneously aspect sensor and gps signal and vision signal is passed to the PC processing, and its volume is little, in light weight, and is safe and reliable.
The present invention adopts following technical proposals:
A kind of antenna tracking servo tracking system, comprise antenna rotating platform and control cabinet, the delivery outlet that it is characterized in that control cabinet connects antenna rotating platform, and the input port connects PC, and the input port of PC connects data radio station, GPS receiver and the aspect sensor on control cabinet connection antenna rotating platform.
The structure of above-mentioned antenna rotating platform is: settle a motor and circuit switching plate in the turntable framework, motor is by the adjustable interface support at gear driven turntable top, and the adjustable interface support is installed high-gain aerial and center arrangement aspect sensor; Circuit switching plate power supply after filtering connects motor, and by central tube connection orientation transducer, the holding wire of aspect sensor is by central tube and circuit switching plate, connect PC through control cabinet again, the video interface of the holding wire of high-gain aerial on turntable connects PC through control cabinet.
The circuit structure of above-mentioned system is: be connected antenna rotating platform behind power-supply filter, air switch and the solid-state relay of 220V AC power in control cabinet; The input of a PC connects GPS receiver, data radio station and aspect sensor, and delivery outlet access control case is connected solid-state relay behind level translator, single-chip microcomputer and driving amplifier in control cabinet.
Level translator in the above-mentioned control cabinet is made of a MAX232CPE cake core and four electric capacity, single chip circuit is made of an AT89C2051 cake core, a crystal oscillator, three electric capacity and a resistance, driving amplifier is made of a MC1413P cake core, two light-emitting diodes and a resistance, and solid-state relay adopts two GJ1-V type solid-state relays.
Operation principle of the present invention is as follows: as shown in the figure, the alternating current of 220V is through after the power-supply filter, pass through air switch, receive then on the interchange end pin of solid-state relay, simultaneously PC is read into coordinate points as aerial position to the gps data on ground, the position signalling of the aircraft that data radio station is sent back is read into again, calculate the azimuth of antenna coordinate point and aircraft current location line, read a secondary data each second, in this second, send 30 reading data signals to aspect sensor simultaneously, will obtain 30 groups of data, carry out then being used for comparing after the smoothing processing with the azimuth of trying to achieve previously, calculate differential seat angle, utilize the difference signal that says the word again, command signal is sent to single-chip microcomputer by the RS232 level conversion, and single-chip microcomputer sends control signal according to this order, drive two solid-state relays by Darlington transistor MC1413P, the start and stop and the rotating of control turntable.
The present invention compared with prior art, have following conspicuous outstanding feature and remarkable advantage: compact conformation of the present invention, cheap, in light weight, be easy to carry, safe and reliable during use, energy real-time tracking aircraft, improve the laser propagation effect of data chainning, alleviate the purpose of the interference of antenna system generation itself.The present invention is applicable to various unmanned planes.
Description of drawings
Fig. 1 is the system construction drawing of one embodiment of the present of invention
Fig. 2 is Fig. 1 example system circuit structure block diagram
Fig. 3 is Fig. 1 example system schematic diagram
Fig. 4 is Fig. 1 example single-chip microcomputer software flow pattern that order transmits control signal according to PC
Fig. 5 is the flow chart of the host computer of Fig. 1 example
Embodiment
A preferred embodiment of the present invention is: referring to Fig. 1, this antenna tracking servo tracking system, comprise antenna rotating platform 5 and control cabinet 3, the delivery outlet that it is characterized in that control cabinet 3 connects antenna rotating platform 5, and the input port connects PC 1, the aspect sensor 8 that the input port of PC 1 connects data radio station 4, GPS receiver 2 and connects on the antenna rotating platform 5 through control cabinet 3.The structure of antenna rotating platform 5 is: settle a motor 11 and circuit switching plate 13 in the turntable framework, motor 11 is by the adjustable interface support 9 at gear driven turntable top, and adjustable interface support 9 is installed high-gain aerial 7 and center arrangement aspect sensor 8; Circuit switching plate 13 power supply after filtering connects motor 11, and by central tube 12 connection orientation transducers 8, the holding wire of aspect sensor 8 is by central tube 12 and circuit switching plate 13, connect PC 1 through control cabinet 3 again, the video interface 6 of the holding wire of high-gain aerial 7 on turntable connects PC 1 through control cabinet 3.The circuit structure of system is: be connected antenna rotating platform 5 behind power-supply filter 14, air switch 15 and the solid-state relay 16 of 220V AC power in control cabinet 3; The input of a PC 1 connects GPS receiver 2, data radio station 4 and aspect sensor 8, and delivery outlet access control case 3 is connected solid-state relay 16 behind level translator 17, single-chip microcomputer 18 and driving amplifier 19 in control cabinet 3.Level translator 17 in the control cabinet 3 is made of a MAX232CPE cake core and four capacitor C 1-C4, single chip circuit 18 is made of an AT89C2051 cake core, crystal oscillator Y1, three capacitor C 5-C7 and a resistance R 1, driving amplifier 19 is made of a MC1413P cake core, two light-emitting diode D1, D2 and a resistance R 2, and solid-state relay 16 adopts two GJ1-V type solid-state relays.
Referring to Fig. 4, utilize serial ports to interrupt receiving host signal, if determine serial port the data input is arranged, the verification of just data being read into to carry out then data just produces control signal according to these data if data are correct, otherwise just requires main frame to resend.
Referring to Fig. 5, provide the flow chart of host computer.At first aspect sensor is carried out hard iron compensation and the correction of positive north, set the data format (GPGGA) of GPS then, read gps data, whether the CHECKSUM judgment data according to GPS is correct, if data are correctly taken out the GPGGA data, obtain longitude and latitude and height value, make the azimuth of 2 lines.If error in data just reads the value of next GPS again.Simultaneously, sending the angle value that instructs the angle information that reads current antenna, native system to get 30 times carries out participating in computing after the smoothing processing.Two angle values all are to be benchmark with positive north, compare at last, send control command and give single-chip microcomputer.
Claims (4)
1. antenna tracking servo tracking system, comprise antenna rotating platform (5) and control cabinet (3), the delivery outlet that it is characterized in that control cabinet (3) connects antenna rotating platform (5), and the input port connects PC (1), and the input port of PC (1) connects data radio station (4), GPS receiver (2) and the aspect sensor (8) on control cabinet (3) connection antenna rotating platform (5).
2. antenna tracking servo tracking system according to claim 1, the structure that it is characterized in that antenna rotating platform (5) is: settle a motor (12) and circuit switching plate (13) in the turntable framework, motor (12) is by the adjustable interface support (9) at gear driven turntable top, and adjustable interface support (9) is installed high-gain aerial (7) and center arrangement aspect sensor (8); Circuit switching plate (13) power supply after filtering connects motor (12), and by central tube (12) connection orientation transducer (8), the holding wire of aspect sensor (8) is by central tube (12) and circuit switching plate (13), pass through control cabinet (3) again and connect PC (1), the video interface (6) of the holding wire of high-gain aerial (7) on turntable connects PC (1) through control cabinet (3).
3. antenna tracking servo tracking system according to claim 1 is characterized in that the circuit structure of system is: be connected antenna rotating platform (5) behind power-supply filter (14), air switch (15) and the solid-state relay (16) of 220V AC power in control cabinet (3); The input of a PC (1) connects GPS receiver (2), data radio station (4) and aspect sensor (8), and delivery outlet access control case (3) is connected solid-state relay (16) behind level translator (17), single-chip microcomputer (18) and driving amplifier (19) in control cabinet (3).
4. antenna tracking servo tracking system according to claim 3, it is characterized in that the level translator (17) in the control cabinet (3) is made of a MAX232CPE cake core and four electric capacity (C1-C4), single chip circuit (18) is made of an AT89C2051 cake core, a crystal oscillator (Y1), three electric capacity (C5-C7) and a resistance (R1), driving amplifier (19) is made of a MC1413P cake core, two light-emitting diodes (D1, D2) and a resistance (R2), and solid-state relay (16) adopts two GJ1-V type solid-state relays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200410045441XA CN1547285A (en) | 2003-12-11 | 2004-05-20 | Antenna servo tracking system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200310109269 | 2003-12-11 | ||
| CN200310109269.5 | 2003-12-11 | ||
| CNA200410045441XA CN1547285A (en) | 2003-12-11 | 2004-05-20 | Antenna servo tracking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1547285A true CN1547285A (en) | 2004-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200410045441XA Pending CN1547285A (en) | 2003-12-11 | 2004-05-20 | Antenna servo tracking system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109850B (en) * | 2009-12-25 | 2013-04-10 | 中国科学院沈阳自动化研究所 | Portable automatic antenna tracking system for unmanned aerial vehicle (UAV) |
| CN105720369A (en) * | 2014-12-03 | 2016-06-29 | 中航通飞研究院有限公司 | Novel telemetry antenna tracking method |
| WO2017211030A1 (en) * | 2016-06-07 | 2017-12-14 | 南方科技大学 | Communications control method and device for unmanned aerial vehicle |
| CN108429014A (en) * | 2018-05-14 | 2018-08-21 | 江苏师范大学 | A kind of omnidirectional angle antenna |
-
2004
- 2004-05-20 CN CNA200410045441XA patent/CN1547285A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109850B (en) * | 2009-12-25 | 2013-04-10 | 中国科学院沈阳自动化研究所 | Portable automatic antenna tracking system for unmanned aerial vehicle (UAV) |
| CN105720369A (en) * | 2014-12-03 | 2016-06-29 | 中航通飞研究院有限公司 | Novel telemetry antenna tracking method |
| WO2017211030A1 (en) * | 2016-06-07 | 2017-12-14 | 南方科技大学 | Communications control method and device for unmanned aerial vehicle |
| CN108429014A (en) * | 2018-05-14 | 2018-08-21 | 江苏师范大学 | A kind of omnidirectional angle antenna |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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