CN102637954A - Multidata fusion technique applied to SCM (satellite communication in motion) control - Google Patents
Multidata fusion technique applied to SCM (satellite communication in motion) control Download PDFInfo
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- CN102637954A CN102637954A CN2012100448146A CN201210044814A CN102637954A CN 102637954 A CN102637954 A CN 102637954A CN 2012100448146 A CN2012100448146 A CN 2012100448146A CN 201210044814 A CN201210044814 A CN 201210044814A CN 102637954 A CN102637954 A CN 102637954A
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Abstract
The invention discloses a multidata fusion technique applied to SCM (satellite communication in motion) control, which relates to a multidata fusion technique. The multidata fusion technique is implemented by using a sensor assembly, a signal acquisition interface device, a signal processing device, a signal amplification device, a driver motor, a speed reducer, a rotary table bracket and an antenna feeder assembly, wherein the sensor assembly is connected with the signal acquisition interface device, the signal acquisition interface device is connected with the signal processing device, the signal processing device is connected with the signal amplification device, the signal amplification device is connected with the driver motor, the driver motor is connected with the speed reducer, and the speed reducer is connected with the rotary table bracket. The invention discloses a compensation method for MEMS (micro-electromechanical system) inertial navigation and a technique for rapid alignment of a moving carrier with a satellite. The technique disclosed by the invention is low in cost, high in gain, and low in height, not only can further improve the current SCM technique, but also can play a great role in promoting the popularization and development of SCM products.
Description
Technical field:
The present invention relates to a kind of multidata integration technology, be specifically related to a kind of multidata integration technology that is applied in the communication in moving control.
Background technology:
Got into since 21 century, the China's economic develop rapidly, international status is cumulative day by day; The thing followed is international, domestic geopolitics; Economic interaction and natural calamity etc. have had renewal, faster and higher requirement to the development of information technology, although the ground communication network is gradually improved, 3G, 4G technology also have greatly improved the speed of communication; But in some special applications; In the middle of earthquake, snow disaster, national defense construction, emergency communication, still can't satisfy in real time jumboly to transmission of Information such as data, images, thereby it is fast-developing in some important field of security guarantee to have expedited the emergence of communication technology of satellite; The provincial emergency command satellite communication network system of self has been set up in public security, fire-fighting, people's air defense; Army by the application of the strategic level fast steering tactical level in past, has strengthened the fighting capacity of army to the development dynamics of satellite communication greatly, also makes it in international affairs, can bear prior task.
In the world to Evolution of Satellite Communication Techniques comparative maturity; Developed country such as U.S. particularly; Application to satellite communication network has been deep into fields of society; Particularly in military field, communication technology of satellite has become the core means of military communication network, and becoming can be in a big important leverage of global military presence.
The application form of satellite communication mainly contains: fixed station, Jing Zhongtong, communication in moving, several big application of portable station, the construction of satellite communication network is formed by these several types of establishments according to scale and needs basically.
Mobile satellite communication technology (being called for short the communication in moving technology) is meant carrier in moving, and can realize the big volume transport of data via satellite.The communication in moving technology can guarantee in the motion process of carrier, can stablize all the time, tracking satellite reliably.
The development of domestic communication in moving technology also is in the stage of high speed development, although existing procucts can be used in some fields, with respect to external product some gaps is being arranged aspect performance of products, outward appearance, the cost performance; Control core part particularly; Basically adopt traditional High Accuracy Inertial pointing technology and single-pulse track technology to accomplish, also have the technology of development of new in communication in moving, to use, but aspects such as its tracking accuracy, availability and stability; Still there is very big defective; Particularly the price height has been the core difficult problem of communication in moving popularization, and therefore, the communication in moving product of developing a kind of low cost, high-gain, low clearance has become the task of top priority.
Summary of the invention:
The purpose of this invention is to provide a kind of multidata integration technology that is applied in the communication in moving control; Its cost is low, gain is high, highly low; Can not only further promote the technology of current communication in moving, and the popularization and the development of communication in moving product had great facilitation.
In order to solve the existing problem of background technology, the present invention adopts following technical scheme: it comprises sensor cluster 1, signals collecting interface arrangement 2, signal processing apparatus 3, signal amplifying apparatus 4, driver motor 5, decelerator 6, turntable support 7, antenna feeder assembly 8; Sensor cluster 1 is connected with signals collecting interface arrangement 2; Signals collecting interface arrangement 2 is connected with signal processing apparatus 3; Signal processing apparatus 3 is connected with signal amplifying apparatus 4; Signal amplifying apparatus 4 is connected with driver motor 5, and driver motor 5 is connected with decelerator 6, and decelerator 6 is connected with turntable support 7.
Described sensor cluster 1 comprises electronic compass 1-1, Mems inertial navigation 1-2, GPS/ Big Dipper 1-3, revolves change harvester 1-4, receiver 1-5; Revolve change harvester 1-4 and be connected with turntable support 7, receiver 1-5 is connected with antenna feeder assembly 8.
Described antenna feeder assembly 8 comprises antenna major-minor face 8-1, loudspeaker 8-2, duplexer 8-3, LNB8-4; Antenna major-minor face 8-1 is connected with loudspeaker 8-2, and loudspeaker 8-2 is connected with duplexer 8-3, and duplexer 8-3 is connected with LNB8-4.
The present invention is MEMS inertial navigation data, electronic compass data, GPS/ Big Dipper data, and data such as aerial angle data and satellite-signal intensity collect internal system through control main board; Merge, obtain orientation, pitching, the pairing error signal of polarization, be input to the driver drives antenna and turn to assigned address; Beacon signal via satellite receives back, amplification through antenna, obtains L frequency range radiofrequency signal; Obtain the AGC signal through receiver again; Feed back to main control system, forming with the satellite link is the closed-loop on basis, as the foundation of the MEMS inertial navigation compensation data in the traveling process.
The present invention has following beneficial effect: cost is low, gain is high, highly low, can not only further promote the technology of current communication in moving, and the popularization and the development of communication in moving product had great facilitation.
Description of drawings:
Fig. 1 is a structural representation of the present invention.
Embodiment:
Referring to Fig. 1, this embodiment adopts following technical scheme: it comprises sensor cluster 1, signals collecting interface arrangement 2, signal processing apparatus 3, signal amplifying apparatus 4, driver motor 5, decelerator 6, turntable support 7, antenna feeder assembly 8; Sensor cluster 1 is connected with signals collecting interface arrangement 2; Signals collecting interface arrangement 2 is connected with signal processing apparatus 3; Signal processing apparatus 3 is connected with signal amplifying apparatus 4; Signal amplifying apparatus 4 is connected with driver motor 5, and driver motor 5 is connected with decelerator 6, and decelerator 6 is connected with turntable support 7.
Described sensor cluster 1 comprises electronic compass 1-1, Mems inertial navigation 1-2, GPS/ Big Dipper 1-3, revolves change harvester 1-4, receiver 1-5; Revolve change harvester 1-4 and be connected with turntable support 7, receiver 1-5 is connected with antenna feeder assembly 8.
Described antenna feeder assembly 8 comprises antenna major-minor face 8-1, loudspeaker 8-2, duplexer 8-3, LNB8-4; Antenna major-minor face 8-1 is connected with loudspeaker 8-2, and loudspeaker 8-2 is connected with duplexer 8-3, and duplexer 8-3 is connected with LNB8-4.
This embodiment is passed through intelligent algorithm with MEMS inertial navigation data, electronic compass data, GPS/ Big Dipper data and aerial angle data; After data are carried out twice processing; The control communication in moving rotates, and has effectively overcome communication in moving zig zag, cold start-up, mobile startup fast and static state and has sought the magnitude function fast.
At first MEMS inertial navigation data are carried out preliminary treatment, because MEMS inertial navigation drift is bigger, particularly the drift of course data is more obvious; Also direct relation the tracking accuracy of system, generally, and satellite beacon decline 3dB; Should close the emission of antenna as requested, be example with 0.8 meter antenna, beacon decline 3dB (half-power beam width); Corresponding azimuth is about 1 degree, and when just cheap 1 degree in course was above, antenna just can't effectively be worked.For present MEMS inertial navigation performance, just may float to more than 1 degree, and therefore need in ten seconds, the data to inertial navigation compensate in tens seconds.In general, according to the geometrical relationship of fixed statellite and ground target:
Among the figure, A representes earth station, and S representes fixed statellite; B is the warp of earth station A and the intersection point in equator, and the 0 intersection point C that goes up at the earth's surface with the line of s is called substar, and the camber line AC of ordering through A point and C on the earth surface is called rhumb line; AN is the tangent line of AC, and AM is the tangent line of AB, and face OAS is an azimuth plane; D is the intersection point of tangent line AM and equatorial plane, and E is the intersection point of tangent line AN and equatorial plane.
After deriving orientation, pitching and polarizing angle, fine setting just can be adopted the feedback of receiver satellite-signal, utilizes the azimuth oppositely to compensate the course heading of inertial navigation, is similar to be about 1: 1 compensation relationship.
Just in seeking star and long-play process first; Need carry out calibration compensation to the data of inertial navigation; The concrete co-ordinates of satellite that adopts is demarcated the initial position of inertial navigation; Through the mode of orientation, pitching circular scanning dynamic position is carried out calibration compensation in the running, reach MEMS inertial navigation data and reach in the acceptable error range of system.
Electronic compass is installed on the pitch axis; Can provide the geodetic coordinates of satellite pitch axis accurately in static state, the initial coarse course of electronic compass can be similar to the course value of the system of obtaining; Under inertial navigation and GPS initially can not the situation of quick lock in, improved greatly system initially to star speed.In conjunction with electronic compass technology and fast cross track algorithm, can catch satellite in 20 seconds, than dwindling the start-up time of existing communication in moving nearly two minutes.
This embodiment is MEMS inertial navigation data, electronic compass data, GPS/ Big Dipper data, and data such as aerial angle data and satellite-signal intensity collect internal system through control main board; Merge, obtain orientation, pitching, the pairing error signal of polarization, be input to the driver drives antenna and turn to assigned address; Beacon signal via satellite receives back, amplification through antenna, obtains L frequency range radiofrequency signal; Obtain the AGC signal through receiver again; Feed back to main control system, forming with the satellite link is the closed-loop on basis, as the foundation of the MEMS inertial navigation compensation data in the traveling process.
This embodiment cost is low, gain is high, highly low, can not only further promote the technology of current communication in moving, and the popularization and the development of communication in moving product had great facilitation.
Claims (5)
1. a multidata integration technology that is applied in the communication in moving control is characterized in that it comprises sensor cluster (1), signals collecting interface arrangement (2), signal processing apparatus (3), signal amplifying apparatus (4), driver motor (5), decelerator (6), turntable support (7), antenna feeder assembly (8); Sensor cluster (1) is connected with signals collecting interface arrangement (2); Signals collecting interface arrangement (2) is connected with signal processing apparatus (3); Signal processing apparatus (3) is connected with signal amplifying apparatus (1); Signal amplifying apparatus (4) is connected with driver motor (5), and driver motor (5) is connected with decelerator (6), and decelerator (6) is connected with turntable support (7).
2. a kind of multidata integration technology that is applied in the communication in moving control according to claim 1 is characterized in that described sensor cluster (1) comprises electronic compass (1-1), Mems inertial navigation (1-2), the GPS/ Big Dipper (1-3), revolves change harvester (1-4), receiver (1-5); Revolve change harvester (1-4) and be connected with turntable support (7), receiver (1-5) is connected with antenna feeder assembly (8).
3. a kind of multidata integration technology that is applied in the communication in moving control according to claim 1 is characterized in that described antenna feeder assembly (8) comprises antenna major-minor face (8-1), loudspeaker (8-2), duplexer (8-3), LNB (8-4); Antenna major-minor face (8-1) is connected with loudspeaker (8-2), and loudspeaker (8-2) are connected with duplexer (8-3), and duplexer (8-3) is connected with LNB (8-4).
4. a kind of multidata integration technology that is applied in the communication in moving control according to claim 1 is characterized in that it is with MEMS inertial navigation data, electronic compass data, GPS/ Big Dipper data; Data such as aerial angle data and satellite-signal intensity collect internal system through control main board, merge, and obtain orientation, pitching, the pairing error signal of polarization; Be input to the driver drives antenna and turn to assigned address; Beacon signal via satellite receives back, amplification through antenna, obtains L frequency range radiofrequency signal; Obtain the AGC signal through receiver again; Feed back to main control system, forming with the satellite link is the closed-loop on basis, as the foundation of the MEMS inertial navigation compensation data in the traveling process.
5. a kind of multidata integration technology that is applied in the communication in moving control according to claim 1; It is characterized in that it is through being installed on electronic compass on the pitch axis; Can provide the geodetic coordinates of satellite pitch axis accurately in static state, the initial coarse course of electronic compass can be similar to the course value of the system of obtaining; Under inertial navigation and GPS initially can not the situation of quick lock in, improved greatly system initially to star speed.In conjunction with electronic compass technology and fast cross track algorithm, can catch satellite in 20 seconds, than dwindling the start-up time of existing communication in moving nearly two minutes.
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| CN2012100448146A CN102637954A (en) | 2012-02-27 | 2012-02-27 | Multidata fusion technique applied to SCM (satellite communication in motion) control |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337704A (en) * | 2013-02-19 | 2013-10-02 | 中国人民解放军66061部队 | Device and method for automatic satellite aiming of Ku waveband satellite communication portable station antenna |
| WO2015188409A1 (en) * | 2014-06-13 | 2015-12-17 | 北京航天控制仪器研究所 | Method and system for controlling antenna of mobile communication application system based on double quaternions in mems inertial navigation |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201638084U (en) * | 2010-04-23 | 2010-11-17 | 西安欧赛通信科技有限公司 | Fully automatic finder portable satellite communication station antenna control system |
| CN201717865U (en) * | 2010-07-30 | 2011-01-19 | 中国人民解放军第二炮兵工程学院 | Wideband mobile satellite communication system with plate slot phased array antenna |
-
2012
- 2012-02-27 CN CN2012100448146A patent/CN102637954A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201638084U (en) * | 2010-04-23 | 2010-11-17 | 西安欧赛通信科技有限公司 | Fully automatic finder portable satellite communication station antenna control system |
| CN201717865U (en) * | 2010-07-30 | 2011-01-19 | 中国人民解放军第二炮兵工程学院 | Wideband mobile satellite communication system with plate slot phased array antenna |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337704A (en) * | 2013-02-19 | 2013-10-02 | 中国人民解放军66061部队 | Device and method for automatic satellite aiming of Ku waveband satellite communication portable station antenna |
| WO2015188409A1 (en) * | 2014-06-13 | 2015-12-17 | 北京航天控制仪器研究所 | Method and system for controlling antenna of mobile communication application system based on double quaternions in mems inertial navigation |
| US9574881B2 (en) | 2014-06-13 | 2017-02-21 | Beijing Aerospace Wanda Hi-Tech Ltd. | Method and system for controlling antenna of mobile communication application system based on double quaternions in MEMS inertial navigation |
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Application publication date: 20120815 |