CN101943913A - Intelligent control system for portable satellite antenna and method - Google Patents
Intelligent control system for portable satellite antenna and method Download PDFInfo
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Abstract
The invention discloses an intelligent control system for a portable satellite antenna and a method, wherein the method comprises the steps of initializing an antenna; controlling the antenna through an antenna main control module to search; reading satellite signal level data transmitted by a receiver module at a certain frequency; regulating the direction and the pitch angle of the antenna to the direction and the pitch angle corresponding to the maximum satellite signal level data; adopting a step tracking way to regulate the direction and the pitch angle of the antenna; controlling motors to carry out regulatiion by a step in the current direction by the antenna main control module if the regulated level data of the current time is larger than the level data obtained after the last regulation; and controlling the motors to carry out regulation by a step in the opposite direction by the antenna main control module until the antenna receives the maximum signal level if the regulated level data of the current time is less than the level data obtained after the last regulation. The invention can ensure that the efficiency and the accuracy of star pairing can be enhanced; the star pairing time is saved; and the star pairing operation is simplified.
Description
Technical field
The present invention relates to satellite antenna control technology field, particularly a kind of portable satellite antenna intelligence control system and method.
Background technology
Satellite antenna is responsible for satellite-signal is reflexed to feed and the tuner that is positioned at the focus place.The effect of satellite antenna is to collect the feeble signal that is transmitted by satellite, and removes noise as far as possible.Most of satellite antennas are parabolic shape, and it is to be combined by sphere and parabola that some many focuses antennas are also arranged.The general employing manually of existing portable satellite antenna controlled, the orientation of operating personnel's hand rotation antenna, the elevation angle, the angle of depression and polarization, and use the instrumental observation satellite-signal, up to the satellite-signal maximum, to satelloid.Thisly manually there is following problem in the star mode: the one, to the star complicated operation, need the professional to cooperate the meter specially could be to star; The 2nd, low to star efficient, to the star length that expends time in; The 3rd, manually poor to the star degree of accuracy, can not be accurately to arriving required satellite.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is how to improve to the star degree of accuracy with to star efficient, reduces the star time, and simplifies star is operated.
(2) technical scheme
For this reason, the invention provides a kind of portable satellite antenna intelligence control system, comprising:
Antenna main control module (1), the spacing module in orientation (2) that is connected respectively with described antenna main control module (1), polarized potential device module (3), GPS receiver module (4), inclinator receiver module (5), polarization motor module (6), azimuth-drive motor module (7), pitching motor module (8), beacon receiver module (9), DVB receiver module (10) and wireless module (11), also comprise: the host computer that is connected with described wireless module (11), be used to be provided with the parameter of described antenna, by wireless module (11) parameter that is provided with is sent to antenna main control module (1), antenna main control module (1) is used for according to described parameter antenna being controlled.
Wherein, described host computer comprises personal computer, personal digital assistant.
Described antenna main control module comprises: main control unit (101) is provided with unit (104) and display unit (105) with A/D sampling unit (102), electric-motor drive unit (103), the timer that main control unit (101) is connected respectively; Described A/D sampling unit (102) is used for the DC level of beacon receiver (9) that receives and DVB receiver (10) transmission is carried out digital-to-analog conversion; Electric-motor drive unit (103) is used for drives polarization motor module (6), azimuth-drive motor module (7) and pitching motor module (8); Timer is provided with unit (104) and is used for realizing counting and timing; Display unit (105) is used to show the various real time datas of antenna.
The present invention also provides a kind of portable satellite antenna intelligence control method, may further comprise the steps:
Also comprise before the described step 10:
Host computer is checked the number of the account and the password of input, if number of the account and password are correct, and network connects normally, and then described host computer is provided with to the star parameter with to the star mode and be sent to antenna main control module;
Described antenna reads the Satellite Tracking parameter of storage according to the information that host computer sends, and reads antenna attitude parameter and initial pitching parameter by the inclinator receiver module, reads the geographical longitude and latitude of earth station by the GPS receiver module; Obtain the antenna theory polarizing angle and the theoretical angle of pitch according to Satellite Tracking parameter and antenna attitude calculation of parameter; Theoretical polarizing angle is adjusted in the polarization of the described antenna of antenna main control module controls, controls the pitching of described antenna and adjusts to the theoretical angle of pitch.
Described step 20 specifically comprises:
Described step 30 specifically comprises:
Step 31, described antenna main control module controls azimuth-drive motor module and pitching motor module are adjusted described antenna bearingt and pitching in the scope of setting;
Step 34 ', change the direction of search, the motor of described another direction of antenna main control module drive is adjusted a step, receives maximum signal level until antenna;
The scope of setting in the described step 31 specifically comprises: the scope of current location ± 3 °.
Described antenna main control module is gathered the parameter of antenna in real time and described parameter is sent to host computer.
(3) beneficial effect
Technique scheme has following beneficial effect: by host computer is set, give the instruction of antenna main control module controls by host computer, the intelligence that realizes antenna is sought star, is locked star and following function, make portable antenna intelligent more, efficient aspect manipulating, accelerated antenna to star speed, improved the precision of antenna, improved the automaticity of seeking star lock star, reduced labor intensity of operating personnel star.
Description of drawings
Fig. 1 is the portable satellite antenna intelligence control system structural representation of the embodiment of the invention;
Fig. 2 is an antenna main control modular structure synoptic diagram among Fig. 1;
Fig. 3 is a servomotor apparatus structure synoptic diagram among Fig. 1;
Fig. 4 is the portable satellite antenna intelligence control method process flow diagram of the embodiment of the invention;
Fig. 5 is the initialized method flow diagram of antenna of the present invention;
Fig. 6 is the method flow diagram of open loop satellite-signal search of the present invention;
Fig. 7 is the method flow diagram that closed loop satellite-signal of the present invention is followed the tracks of.
Wherein, 1: antenna main control module; 2: the spacing module in orientation; 3: polarized potential device module; The 4:GPS receiver module; 5: the inclinator receiver module; 6: the polarization motor module; 7: the azimuth-drive motor module; 8: the pitching motor module; 9: the beacon receiver module; The 10:DVB receiver module; The 11:WiFi wireless module; 12: computer module; 101: main control unit; The 102:A/D sampling unit; 103: electric-motor drive unit; 104: timer is provided with the unit; 105: display unit; 21: orientation right limit switch; 22: orientation left limit switch; 23: limit switch in the middle of the orientation; 61: transmission gear is adjusted in polarization; 62: the polarization motor; 71: azimuth-drive motor; 72: the orientation speed reduction unit; 81: pitching motor; 82: the pitching speed reduction unit.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, portable satellite antenna intelligence control system structural representation for the embodiment of the invention, native system comprises antenna main control module 1, the spacing module 2 in orientation that is connected with antenna main control module 1, polarized potential device module 3, GPS receiver module 4, inclinator receiver module 5, polarization motor module 6, azimuth-drive motor module 7, pitching motor module 8, beacon receiver module 9, DVB receiver module 10 and WiFi wireless module 11, these 11 modules are formed the slave computer of the portable satellite antenna intelligence control system of present embodiment; Also comprise computer module 12 as host computer, computer module 12 is used for monitoring aerial, parameter to antenna is provided with, antenna main control module 1 communicates by WiFi wireless module 11 and computer module 12, computer module 12 comprises PC (Personal Computer, PC), and personal digital assistant (Personal Digital Assistant, PDA).On antenna main control module 1, PC and the PDA control corresponding software is arranged all.
Wherein antenna main control module 1 is installed in the next cabin of antenna, is used for the adjustment of orientation, luffing angle and the polarization angle of control antenna, realizes the function that intelligence is sought star, locked star and tracking satellite; The spacing module 2 in orientation is installed in the both sides of azimuth-drive motor module 7 and pitching motor module 8, is used to antenna main control module 1 to provide antenna reflective face current location status, and is used to protect antenna, prevents that antenna from rotating to a direction always; Polarized potential device module 3 is installed in the waveguide next door at feed rear, is used for exporting this polarizing angle corresponding voltage value according to the current polarizing angle of antenna; GPS receiver module 4 is installed in the next cabin of antenna, is used to read the geographical longitude and latitude of earth station; Inclinator receiver module 5 is installed on the horizontal base of feed below, is used to read the antenna attitude parameter, the initial luffing angle of antenna reflective face; Polarization motor module 6 is contained in the waveguide next door at feed rear, is used to adjust the polarization angle of antenna; Azimuth-drive motor module 7 is installed on the antenna base of antenna reflective face back, is used to adjust the orientation of antenna; Pitching motor module 8 is installed on the antenna base of antenna reflective face back, is used to adjust the luffing angle of antenna; Beacon receiver 9 is installed in the next cabin of antenna, be used to export the beacon DC level, DVB receiver 10 is installed in the next cabin of antenna, is used to export the DVB DC level, and WiFi wireless module 11 is used for communicating by letter between antenna main control module 1 and the computer module 12.
Again as shown in Figure 2, structural representation for antenna main control module among Fig. 1, the antenna main control module 1 of present embodiment comprises main control unit 101, with A/D sampling unit 102, electric-motor drive unit 103, the timer that main control unit 101 is connected respectively unit 104 and display unit 105 is set.Wherein electric-motor drive unit 103 is used for drives polarization motor module 6, azimuth-drive motor module 7 and pitching motor module 8; Timer is provided with counting and the timing that unit 104 is used for the realization program; The DC level that 102 pairs of beacon receivers that receive 9 of A/D sampling unit and DVB receiver 10 send is carried out digital-to-analog conversion; Display unit 105 is used to show the various real time datas of antenna, seeks in the star process at antenna, and the parameter that antenna main control module 1 can be gathered antenna in real time shows, and sends to computer module 12, the duty that supplies the operator to check antenna.
10 pairs of satellite-signals that receive of beacon receiver 9 and DVB receiver amplify, filtering and detection are handled, export beacon DC level and DVB DC level respectively to A/D sampling unit 12, carry out analog to digital conversion, for main control unit 11 provides the signal level indication.
Again as shown in Figure 3, be servomotor modular structure synoptic diagram among Fig. 1, in the present embodiment, the servomotor device comprises polarization motor module, pitching motor module and azimuth-drive motor module.Polarization motor module 6 comprises that transmission gear 61 is adjusted in polarization and the motor 62 that polarizes; Azimuth-drive motor module 7 comprises azimuth-drive motor 71 and orientation speed reduction unit 72; The spacing module 2 in orientation comprises limit switch 23 and pitching lower position switch 24 in the middle of orientation right limit switch 21, orientation left limit switch 22, the orientation; Pitching motor module 8 comprises pitching motor 81, pitching speed reduction unit 82.
Wherein, polarization motor module 6 is used to finish the adjustment at antenna polarization angle, and antenna main control module 1 control polarization motor 62 rotates, and drives polarization and adjusts the polarization that transmission gear 61 is adjusted antenna; Azimuth-drive motor module 7 is finished the adjustment of antenna azimuth, and antenna main control module 1 control azimuth motor 71 rotates, and reduces velocity of rotation and improves moment of torsion through orientation speed reduction unit 72, drives antenna bearingt and rotates; Limit switch 23 and pitching lower position switch 24 are used to carry out antenna running status location in the middle of orientation right limit switch 21, orientation left limit switch 22, the orientation, and prevent that antenna from exceeding range of movement; Pitching motor module 8 is finished the adjustment of antenna elevation angle, and antenna main control module 1 control pitching motor 81 rotates, and reduces velocity of rotation and improves moment of torsion through pitching speed reduction unit 82, drives the antenna pitch rotation.
As shown in Figure 4, the portable satellite antenna intelligence control method process flow diagram for the embodiment of the invention specifically may further comprise the steps:
This step is mainly finished the adjustment of polarization adjustment and antenna pitching.Antenna main control module obtains the antenna theory polarizing angle and the theoretical angle of pitch according to the Satellite Tracking parameter and the antenna attitude calculation of parameter of storage, control the polarization of described antenna and adjust to theoretical polarizing angle, control the pitching of described antenna and adjust to the theoretical angle of pitch, as shown in Figure 5, be the initialized method flow diagram of antenna of the present invention, comprise following substep:
The step of step 20, the search of open loop satellite-signal:
The step of open loop satellite-signal search is finished antenna to tentatively the catching of satellite-signal, and as shown in Figure 6, the method flow diagram for open loop satellite-signal search of the present invention specifically comprises following substep:
Particularly, antenna reflective face is adjusted on the orientation earlier, changes moving a step after the maximum search angle of arrival bearing on the angle of pitch, keeps this elevation angle to move in the opposite direction then, repeats said process, up to searching satellite-signal; The difference of DC level data and noise signal DC level that is beacon receiver output is greater than the threshold value of setting.
The step that step 30, closed loop satellite-signal are followed the tracks of:
Present embodiment use closed loop satellite-signal tracing mode finish antenna to satellite-signal from motion tracking, employing be hill climb system, as shown in Figure 7, the method flow diagram for closed loop satellite-signal of the present invention is followed the tracks of specifically comprises following substep:
Step 31, antenna main control module controls azimuth-drive motor module/pitching motor module, make the antenna reflective face orientation set among a small circle in adjust;
The scope of this setting can be ± 3 ° scope;
Step 34 ', change the direction of search, antenna main control module controls azimuth-drive motor module/pitching motor module drive antenna reflective face is adjusted a step round about, follows the tracks of so length by length, receives maximum signal level until antenna;
Therefore, antenna direction keeps best receptivity all the time to satelloid.
Portable satellite antenna intelligence control system provided by the invention and method, by host computer is set, give the instruction of antenna main control module controls by host computer, the intelligence that realizes antenna is sought star, is locked star and following function, make portable antenna intelligence, efficient more aspect manipulating, accelerated antenna to star speed, improved the precision of antenna to star, improve the automaticity of seeking star lock star, reduced labor intensity of operating personnel.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (9)
1. portable satellite antenna intelligence control system, it is characterized in that, comprise: antenna main control module (1), the spacing module in orientation (2) that is connected respectively with described antenna main control module (1), polarized potential device module (3), GPS receiver module (4), inclinator receiver module (5), polarization motor module (6), azimuth-drive motor module (7), pitching motor module (8), beacon receiver module (9), DVB receiver module (10) and wireless module (11), the host computer that is connected with described wireless module (11), be used to be provided with the parameter of described antenna, by wireless module (11) parameter that is provided with is sent to antenna main control module (1), antenna main control module (1) is used for according to described parameter antenna being controlled.
2. portable satellite antenna intelligence control system as claimed in claim 1 is characterized in that described host computer comprises personal computer, personal digital assistant.
3. portable satellite antenna intelligence control system as claimed in claim 1, it is characterized in that, described antenna main control module comprises: main control unit (101) is provided with unit (104) and display unit (105) with A/D sampling unit (102), electric-motor drive unit (103), the timer that main control unit (101) is connected respectively; Described A/D sampling unit (102) is used for the DC level of beacon receiver (9) that receives and DVB receiver (10) transmission is carried out digital-to-analog conversion; Electric-motor drive unit (103) is used for drives polarization motor module (6), azimuth-drive motor module (7) and pitching motor module (8); Timer is provided with unit (104) and is used for realizing counting and timing; Display unit (105) is used to show the various real time datas of antenna.
4. a portable satellite antenna intelligence control method is characterized in that, may further comprise the steps:
Step 10, antenna main control module obtain the antenna theory polarizing angle and the theoretical angle of pitch according to the Satellite Tracking parameter and the antenna attitude calculation of parameter of storage, control the polarization of described antenna and adjust to theoretical polarizing angle, control the pitching of described antenna and adjust to the theoretical angle of pitch;
Step 20, described antenna main control module controls antenna are searched for, and read the satellite signal levels data of receiver module output with certain frequency, the orientation and the angle of pitch that the orientation and the angle of pitch of antenna are adjusted to maximum satellite signal levels data correspondence;
Step 30, employing hill climb system are adjusted the orientation and the angle of pitch of antenna, and greater than adjusted level data of last time, then described antenna main control module controls motor is adjusted a step on current direction as if this adjusted level data; If this adjusted level data is less than adjusted level data of last time, then described antenna main control module controls motor is adjusted a step in the opposite direction, receives maximum signal level until antenna.
5. portable satellite antenna intelligence control method as claimed in claim 4 is characterized in that, also comprises before the described step 10:
Host computer is checked the number of the account and the password of input, if number of the account and password are correct, and network connects normally, and then described host computer is provided with to the star parameter with to the star mode and be sent to antenna main control module;
Described antenna reads the Satellite Tracking parameter of storage according to the information that host computer sends, and reads antenna attitude parameter and initial pitching parameter by the inclinator receiver module, reads the geographical longitude and latitude of earth station by the GPS receiver module.
6. portable satellite antenna intelligence control method as claimed in claim 4 is characterized in that described step 20 specifically comprises:
Step 21, described antenna main control module controls azimuth-drive motor module and pitching motor module make the orientation of described antenna reflective face, pitching search for according to mesh shape;
Step 22, described A/D sampling unit read the satellite-signal intensity level data of described beacon receiver and the output of DVB receiver with certain frequency; And calculate in real time the level data and the difference of noise signal DC level that reads, when described difference during, enter closed loop satellite-signal tracing mode greater than the setting threshold value.
7. portable satellite antenna intelligence control method as claimed in claim 4 is characterized in that described step 30 specifically comprises:
Step 31, described antenna main control module controls azimuth-drive motor module and pitching motor module are adjusted described antenna bearingt and pitching in the scope of setting;
Step 32, one step of every adjustment, described A/D sampling unit all reads the satellite-signal intensity level data of beacon receiver and the output of DVB receiver;
Step 33, the level data that reads after current level data that reads and the previous step adjustment is compared, judge that whether current level data is greater than the adjusted level data of previous step, execution in step 34, otherwise execution in step 34 ';
Step 34, described antenna main control module controls azimuth-drive motor module and pitching motor module are adjusted a step again on current direction;
Step 34 ', change the direction of search, the motor of described another direction of antenna main control module drive is adjusted a step, receives maximum signal level until antenna;
Step 35, judge that level data that described A/D sampling unit reads whether greater than thresholding, is that then antenna direction is in hold mode; Otherwise, execution in step 31.
8. portable satellite antenna intelligence control method as claimed in claim 7 is characterized in that, the scope of setting in the described step 31 specifically comprises: the scope of current location ± 3 °.
9. portable satellite antenna intelligence control method as claimed in claim 4 is characterized in that, also comprises: described antenna main control module is gathered the parameter of antenna in real time and described parameter is sent to host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102452363A CN101943913B (en) | 2010-08-04 | 2010-08-04 | Intelligent control system for portable satellite antenna and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102452363A CN101943913B (en) | 2010-08-04 | 2010-08-04 | Intelligent control system for portable satellite antenna and method |
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| CN101943913A true CN101943913A (en) | 2011-01-12 |
| CN101943913B CN101943913B (en) | 2012-11-21 |
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| CN102299400A (en) * | 2011-06-22 | 2011-12-28 | 南京中网卫星通信股份有限公司 | Automatic star-finding portable station pedestal and supporting assembly thereof |
| CN102496781A (en) * | 2011-12-29 | 2012-06-13 | 上海杰盛无线通讯设备有限公司 | Portable satellite earth station antenna surface celerity satellite apparatus |
| CN104199465A (en) * | 2014-07-16 | 2014-12-10 | 北京遥测技术研究所 | Self-tracking servo control system for flat plate with high integration and high precision |
| CN104538745A (en) * | 2014-12-10 | 2015-04-22 | 南京邮电大学 | Method for controlling wave beams to accurately point at target in antenna pedestal heeling state |
| CN104932532A (en) * | 2015-05-05 | 2015-09-23 | 南京中网卫星通信股份有限公司 | Backpack type satellite communication portable station control device and application method thereof |
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| CN102299400B (en) * | 2011-06-22 | 2013-09-18 | 南京中网卫星通信股份有限公司 | Automatic star-finding portable station pedestal and supporting assembly thereof |
| CN102299400A (en) * | 2011-06-22 | 2011-12-28 | 南京中网卫星通信股份有限公司 | Automatic star-finding portable station pedestal and supporting assembly thereof |
| CN102496781A (en) * | 2011-12-29 | 2012-06-13 | 上海杰盛无线通讯设备有限公司 | Portable satellite earth station antenna surface celerity satellite apparatus |
| CN104199465A (en) * | 2014-07-16 | 2014-12-10 | 北京遥测技术研究所 | Self-tracking servo control system for flat plate with high integration and high precision |
| CN104199465B (en) * | 2014-07-16 | 2016-09-21 | 北京遥测技术研究所 | A kind of highly integrated High Accuracy Flat self-tracking antenna servo-control system |
| CN104538745A (en) * | 2014-12-10 | 2015-04-22 | 南京邮电大学 | Method for controlling wave beams to accurately point at target in antenna pedestal heeling state |
| CN104538745B (en) * | 2014-12-10 | 2017-08-25 | 南京邮电大学 | Wave beam is accurately directed to the control method of target under antenna pedestal heeling condition |
| CN104681986B (en) * | 2015-02-16 | 2017-05-17 | 南京中网卫星通信股份有限公司 | Satellite finding method of satellite antenna in inclined state |
| CN104932532A (en) * | 2015-05-05 | 2015-09-23 | 南京中网卫星通信股份有限公司 | Backpack type satellite communication portable station control device and application method thereof |
| CN106299696B (en) * | 2015-05-13 | 2019-10-11 | 中国科学院国家空间科学中心 | A method of it is realized using received signal level and automatically controls tracking antenna |
| CN106299696A (en) * | 2015-05-13 | 2017-01-04 | 中国科学院空间科学与应用研究中心 | A kind of method utilizing received signal level to realize automatically controlling tracking antenna |
| CN105337039B (en) * | 2015-10-21 | 2018-02-13 | 北京华胜天成信息技术发展有限公司 | Satellite antenna polarization Closed loop track method and apparatus |
| CN105337039A (en) * | 2015-10-21 | 2016-02-17 | 北京华胜天成信息技术发展有限公司 | Satellite antenna polarized closed loop tracking method and device |
| CN105306132A (en) * | 2015-11-18 | 2016-02-03 | 南京中网卫星通信股份有限公司 | Close-loop control portable station with automatic monitoring function |
| CN106532266A (en) * | 2016-10-31 | 2017-03-22 | 西安坤蓝电子技术有限公司 | Satellite capture method capable of preventing VSAT antenna wrong orientation |
| CN106685519A (en) * | 2017-03-09 | 2017-05-17 | 北京爱科迪通信技术股份有限公司 | Satellite finding system and method based on power detector |
| CN107064680A (en) * | 2017-04-17 | 2017-08-18 | 柳州汽车检测有限公司 | Automobile EMC detects aerial position opened loop control method of adjustment |
| CN108650012A (en) * | 2018-03-30 | 2018-10-12 | 中国空间技术研究院 | It a kind of satellite antenna shake monitoring and influences to eliminate analysis method and system |
| CN108897244A (en) * | 2018-07-05 | 2018-11-27 | 北京星网卫通科技开发有限公司 | A kind of control system of antenna control unit |
| CN108897244B (en) * | 2018-07-05 | 2020-03-17 | 北京星网卫通科技开发有限公司 | Control system of antenna control unit |
| CN112909547A (en) * | 2019-12-04 | 2021-06-04 | ***通信集团上海有限公司 | System and method for adjusting directional antenna of unmanned aerial vehicle |
| CN112909547B (en) * | 2019-12-04 | 2022-12-02 | ***通信集团上海有限公司 | System and method for adjusting directional antenna of unmanned aerial vehicle |
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