CN103471584A - Posture recognition device of mobile satellite antenna automatic tracking system - Google Patents
Posture recognition device of mobile satellite antenna automatic tracking system Download PDFInfo
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- CN103471584A CN103471584A CN2013104650019A CN201310465001A CN103471584A CN 103471584 A CN103471584 A CN 103471584A CN 2013104650019 A CN2013104650019 A CN 2013104650019A CN 201310465001 A CN201310465001 A CN 201310465001A CN 103471584 A CN103471584 A CN 103471584A
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Abstract
The invention relates to a posture recognition device of a mobile satellite antenna automatic tracking system. The posture recognition device is arranged in the mobile satellite antenna automatic tracking system, and comprises a GPS module, a gyroscope sensor, a magnetic angle sensor and a conditioning circuit module, wherein the GPS module is used for detecting information of position where the mobile satellite antenna automatic tracking system is located currently; the gyroscope sensor is used for collecting horizontal, rolling and pitching movement data of antennas and converting the movement data into analog signals to be output to a signal conditioning circuit; the magnetic angle sensor is used for collecting the analog signals of the current pitching angle of the antennas; the conditioning circuit module is used for receiving the analog signals, processing the received signals and then outputting the processed signals to a microprocessor in the tracking system. The posture recognition device can greatly save the time for finding satellites and improve the execution efficiency of the mobile satellite antenna automatic tracking system.
Description
Technical field
The present invention relates to the automatic tracking technique of mobile satellite antenna, relate in particular to a kind of gesture recognition device of mobile satellite antenna automatic tracking system.
Background technology
Along with the development of communication technology of satellite and automatic control technology, to realize at the volley will becoming more and more general with the exchange of satellite real time data, the mobile-satellite TV is wherein a kind of application.Nowadays people are in and see that TV is not a problem, but along with growth in the living standard, people are in the urgent need to, as automobile, train, steamer etc. on mobile vehicle, recognizing in time topical news, watch physical culture broadcasting etc., just the mobile-satellite TV can meet such demand.
Realize watching satellite television on mobile vehicle, gordian technique is automatic tracking system.Automatic tracking system makes satellite antenna also can, all the time to satelloid, guarantee the stable of TV receiving signal when carrier movement.Existing automatic tracking system comprises that microprocessor, GPS, antenna attitude determine device, satellite tuner, tuner, control motor, antenna and mechanical transmission mechanism.System starts to look for star or loses star while again looking for star afterwards, at first according to GPS, determines the longitude and latitude of current carrier positions, and determines the angle of pitch of antenna alignment satellite according to this longitude and latitude.But antenna must first turn to level reference by current state and be diverted to satellite direction again, and such process is more loaded down with trivial details, has increased the time of looking for star, has reduced the stability of signal.
Summary of the invention
The object of the invention is to overcome the deficiency of above prior art, provides and makes the mobile satellite antenna automatic tracking system look for star a kind of gesture recognition device of mobile satellite antenna automatic tracking system more efficiently, specifically by following technical scheme, is realized:
The gesture recognition device of described mobile satellite antenna automatic tracking system, be arranged in the mobile satellite antenna automatic tracking system, comprising:
Gyro sensor, for gathering level, roll, the luffing data of measuring antenna and described exercise data being converted to the simulating signal of measuring current antenna movement situation;
The magnetic deviation sensor, for the simulating signal of the luffing angle that gathers current antenna, described luffing angle is the angle between current aerial signal dash receiver and predefined level reference;
And signal conditioning circuit module: for receiving described simulating signal and the signal received being processed, the signal after processing is exported to the microprocessor in described tracker.
The further design of described gesture recognition device is, described gyro sensor comprises azimuth gyroscope, pitch gyroscope, described azimuth gyroscope faces up and is vertically mounted on antenna, and after antenna finds satellite, azimuth gyroscope is sensation level and roll motion simultaneously like this; The luffing of pitch gyroscope induction antenna.
The further design of described gesture recognition device is, described signal conditioning circuit comprises three amplification filtering branch roads, and described amplification filtering branch road is connected with azimuth gyroscope, pitch gyroscope and magnetic deviation sensor communication respectively accordingly.
The further design of described gesture recognition device is, each described amplification filtering branch road comprises the first amplifier and the second amplifier, the inverting input of described the first amplifier and output terminal are connected with divider resistance and electric capacity, to filter the ripple in signal, signal voltage is carried out to a certain proportion of dwindling simultaneously; The inverting input of the second amplifier is connected with the signal output part of the first amplifier, signal is carried out reverse in proportion, makes it revert to the forward level.
The further design of described gesture recognition device is, described divider resistance and electric capacity also connect.
The further design of described gesture recognition device is, the output terminal of described the second amplifier is connected with the digital-to-analog conversion interface of microprocessor respectively.
Advantage of the present invention is as follows:
The gesture recognition device of mobile satellite antenna automatic tracking system provided by the invention, while utilizing the magnetic deviation sensor again to look for star after system starts to look for star or loses star, the residing angle of antenna current state is sent to microprocessor and is revised with the place angle of satellite by the magnetic deviation sensor, again according to described angle correction rotary antenna, until find satellite, do not need that antenna is turned to level reference by current state and be diverted to again satellite direction, saved widely and looked for the star time, increased the execution efficiency of system.
The accompanying drawing explanation
The structured flowchart that Fig. 1 is the gesture recognition device.
The circuit theory diagrams that Fig. 2 is the amplification filtering branch road.
Fig. 3 is mobile satellite antenna automatic tracking system structured flowchart.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Gesture recognition device provided by the invention is arranged in corresponding mobile satellite antenna automatic tracking system, comprises gyro sensor, magnetic deviation sensor and signal conditioning circuit, referring to Fig. 1.Gyro sensor is for gathering level, roll, the luffing data of antenna and exercise data being converted to simulating signal; The magnetic deviation sensor is for gathering the simulating signal of luffing angle of current antenna; The simulating signal that the signal conditioning circuit module is exported for receiving gyro sensor and magnetic deviation sensor, and the signal received is processed, the signal after processing is exported to microprocessor in above-mentioned tracker.
Above-mentioned gyro sensor comprises azimuth gyroscope and pitch gyroscope, and above-mentioned azimuth gyroscope faces up and is vertically mounted on antenna, and after antenna finds satellite, azimuth gyroscope is sensation level and roll motion simultaneously like this; The luffing of pitch gyroscope induction antenna.
For degree of accuracy and the high efficiency of transmission that guarantees collection signal, signal conditioning circuit is designed to three amplification filtering branch roads, referring to Fig. 2.These three amplification filtering branch roads are connected with azimuth gyroscope, pitch gyroscope and magnetic deviation sensor communication respectively accordingly.
Further, each amplification filtering branch road comprises the first transport and placing device and the second transport and placing device, the inverting input of the first transport and placing device and defeated end are connected with divider resistance and electric capacity, this divider resistance and electric capacity also connect, can reach the ripple filtered in signal, signal voltage be carried out to a certain proportion of purpose of dwindling simultaneously.The inverting input of the second amplifier is connected with the signal output part of the first amplifier, signal is carried out reverse in proportion, makes it revert to the forward level.The output terminal that goes out of the second amplifier is connected with the digital-to-analog conversion interface of microprocessor respectively.
As Fig. 3, comprise microprocessor, GPS, gesture recognition device, satellite tuner, driving mechanism, antenna and mechanical transmission mechanism with the corresponding mobile satellite antenna automatic tracking system of above-mentioned gesture recognition device.The corresponding output terminal communication connection of microprocessor wherein and the conditioning circuit module of above-mentioned gesture recognition device.Microprocessor, according to the carrier geographical location information of living in of GPS output, the antenna attitude information of gesture recognition device output and the AGC level signal of satellite tuner output, sends motion control commands to driving mechanism, and control antenna rotates; Gesture recognition device, tuner send antenna attitude information, AGC level signal to microprocessor again, thereby have formed a complete mobile satellite antenna automatic tracking system simultaneously.Wherein driving mechanism comprises that motor, motor drive and mechanical transmission mechanism.
When the mobile satellite antenna automatic tracking system with gesture recognition device of the present invention is again looked for star after starting to look for star or losing star, at first microprocessor obtains the longitude and latitude of carrier by the GPS module, calculate the luffing angle to satelloid through microprocessor processes, then coordinate the magnetic deviation sensor to obtain the luffing angle of current antenna, and export this angle-data to microprocessor, calculate angle correction through microprocessor, directly to driving mechanism, send the driving signal, make driving mechanism drive antenna and directly go to the angle to star, do not need that antenna is turned to level reference by current state and be diverted to again satellite direction.Then antenna bearingt is rotated, the size of the AGC level signal of tuner output via satellite judges whether to find satellite, after finding satellite, detect the motion state of antenna by gyro sensor, and motion state is fed back to microprocessor, and detect the level signal of AGC every certain hour, through certain algorithm process, control driving mechanism work, make antenna all the time to satelloid, saved widely and looked for the star time, increased the execution efficiency of system.
Claims (6)
1. the gesture recognition device of a mobile satellite antenna automatic tracking system, be arranged in the mobile satellite antenna automatic tracking system, it is characterized in that comprising:
Gyro sensor, for gathering level, roll, the luffing data of measuring antenna and described exercise data being converted to the simulating signal of measuring current antenna movement situation;
The magnetic deviation sensor, for the simulating signal of the luffing angle that gathers current antenna, described luffing angle is the angle between current aerial signal dash receiver and predefined level reference;
And signal conditioning circuit module: for receiving described simulating signal and the signal received being processed, the signal after processing is exported to the microprocessor in described tracker.
2. gesture recognition device according to claim 1, it is characterized in that described gyro sensor comprises azimuth gyroscope, pitch gyroscope, described azimuth gyroscope faces up and is vertically mounted on antenna, after antenna finds satellite, azimuth gyroscope is sensation level and roll motion simultaneously like this; The luffing of pitch gyroscope induction antenna.
3. gesture recognition device according to claim 2, is characterized in that described signal conditioning circuit comprises three amplification filtering branch roads, and described amplification filtering branch road is connected with azimuth gyroscope, pitch gyroscope and magnetic deviation sensor communication respectively accordingly.
4. gesture recognition device according to claim 3, it is characterized in that each described amplification filtering branch road comprises the first amplifier and the second amplifier, the inverting input of described the first amplifier and output terminal are connected with divider resistance and electric capacity, to filter the ripple in signal, signal voltage is carried out to a certain proportion of dwindling simultaneously; The inverting input of the second amplifier is connected with the signal output part of the first amplifier, signal is carried out reverse in proportion, makes it revert to the forward level.
5. gesture recognition device according to claim 4, is characterized in that described divider resistance and electric capacity and connect.
6. gesture recognition device according to claim 4, is characterized in that the output terminal of described the second amplifier is connected with the digital-to-analog conversion interface of microprocessor respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013104650019A CN103471584A (en) | 2013-09-29 | 2013-09-29 | Posture recognition device of mobile satellite antenna automatic tracking system |
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| CN2013104650019A CN103471584A (en) | 2013-09-29 | 2013-09-29 | Posture recognition device of mobile satellite antenna automatic tracking system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107885233A (en) * | 2017-10-19 | 2018-04-06 | 安徽工程大学 | A kind of automatic tracking system of satellite-signal |
| US9966650B2 (en) | 2015-06-04 | 2018-05-08 | Viasat, Inc. | Antenna with sensors for accurate pointing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003058755A1 (en) * | 2001-12-21 | 2003-07-17 | The Boeing Company | Antenna arrangement with rf components mounted to the back surface of a reflector element |
| CN101577367A (en) * | 2008-05-08 | 2009-11-11 | 南京理工大学 | Stable tracking control system for satellite communication antenna for motion carrier |
| CN201355451Y (en) * | 2009-03-02 | 2009-12-02 | 江苏捷诚车载电子信息工程有限公司 | Vehicle-mounted antenna lifting mechanism control circuit |
| CN201374011Y (en) * | 2009-01-13 | 2009-12-30 | 张伟强 | Circuit structure of steering television receiving antenna with memory function |
| CN102495564A (en) * | 2011-11-18 | 2012-06-13 | 柳州市数控机床研究所 | Vehicle mounted antenna lodging device controller |
| CN203550963U (en) * | 2013-09-29 | 2014-04-16 | 朱兵 | Gesture recognition device of automatic mobile satellite antenna tracking system |
-
2013
- 2013-09-29 CN CN2013104650019A patent/CN103471584A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003058755A1 (en) * | 2001-12-21 | 2003-07-17 | The Boeing Company | Antenna arrangement with rf components mounted to the back surface of a reflector element |
| CN101577367A (en) * | 2008-05-08 | 2009-11-11 | 南京理工大学 | Stable tracking control system for satellite communication antenna for motion carrier |
| CN201374011Y (en) * | 2009-01-13 | 2009-12-30 | 张伟强 | Circuit structure of steering television receiving antenna with memory function |
| CN201355451Y (en) * | 2009-03-02 | 2009-12-02 | 江苏捷诚车载电子信息工程有限公司 | Vehicle-mounted antenna lifting mechanism control circuit |
| CN102495564A (en) * | 2011-11-18 | 2012-06-13 | 柳州市数控机床研究所 | Vehicle mounted antenna lodging device controller |
| CN203550963U (en) * | 2013-09-29 | 2014-04-16 | 朱兵 | Gesture recognition device of automatic mobile satellite antenna tracking system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9966650B2 (en) | 2015-06-04 | 2018-05-08 | Viasat, Inc. | Antenna with sensors for accurate pointing |
| US10651534B2 (en) | 2015-06-04 | 2020-05-12 | Viasat, Inc. | Antenna with sensors for accurate pointing |
| US11303006B2 (en) | 2015-06-04 | 2022-04-12 | Viasat, Inc | Antenna with sensors for accurate pointing |
| US11699838B2 (en) | 2015-06-04 | 2023-07-11 | Viasat Inc. | Antenna with sensors for accurate pointing |
| CN107885233A (en) * | 2017-10-19 | 2018-04-06 | 安徽工程大学 | A kind of automatic tracking system of satellite-signal |
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Application publication date: 20131225 |