CN206249088U - The half object test device based on satellite navigation control system - Google Patents
The half object test device based on satellite navigation control system Download PDFInfo
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- CN206249088U CN206249088U CN201621188181.6U CN201621188181U CN206249088U CN 206249088 U CN206249088 U CN 206249088U CN 201621188181 U CN201621188181 U CN 201621188181U CN 206249088 U CN206249088 U CN 206249088U
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- navigation
- satellite navigation
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- satellite
- signal
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Abstract
The utility model discloses a kind of object test device of control system half based on satellite navigation, including the carrier navigation controller and satellite navigation signal simulator that are connected with each other, the satellite navigation signal simulator is connected with host computer respectively again with carrier navigation controller.The half object test device can carry out half object test to carrier navigation controller, the whole machine for possessing the carrier navigation controller may not necessarily be waited carries out navigation test again after preparing completely and assembling, also more limited not necessarily in external environment conditions such as outdoor weather, places, simple reperformance test can indoors be carried out repeatedly, shorten the R＆D cycle, accelerate Time To Market.
Description
Technical field
The utility model is related to navigation field, more particularly to a kind of half object test dress based on satellite navigation control system
Put.
Background technology
Independent navigation equipment in recent years, particularly unmanned technology is constantly captured and innovation, such as unmanned plane, unmanned vapour
The fields such as car, unmanned naval vessel show the development of explosion type, particularly in civil area, from simple unmanned, model plane and
Take photo by plane, be rapidly spread to the fields such as plant protection, tracking, rescue, search, security.And the release per a new product, or produced
The upgrading of product, the matured product for even just having assembled will be tested and adjusted, so as to possess lead before market is entered
The software and hardware of the independent navigation equipment of function of navigating is all in optimum state.
Test general arrangement at this stage just carries out system test after the completion of the preparation of a full set of product, if test goes wrong,
Then to tear machine examination open to test, maintenance of doing over again, or reset, testing efficiency is low, so as to cause the R＆D cycle long, leverages the upper of finished product
City's opportunity.
The content of the invention
The utility model overcomes the shortcomings of prior art problem, real specifically designed for the whole that need not make satellite navigation carrier
The half of a kind of satellite navigation control system that thing can be tested efficiently the navigation control system of satellite navigation carrier again is real
Thing test device.
A kind of half object test device based on satellite navigation control system described in the utility model, including be connected with each other
Carrier navigation controller and satellite navigation signal simulator, the satellite navigation signal simulator and carrier navigation controller are again
It is connected with host computer respectively.
Further, carrier navigation controller is connected by serial ports or network interface with host computer.
Further, it is at least any one in satellite navigation signal simulator generation BDS, GPS, GLONASS, GALILEO
Plant emulation satellite navigation signals.
Compared with prior art, the utility model has the following advantages that：
Position coordinates is sent to satellite navigation signal simulator, satellite navigation signal simulator by carrier navigation controller
According to position coordinates generation emulation satellite navigation signals, and emulation satellite navigation signals are sent respectively to the carrier Navigation Control
Device and host computer, carrier navigation controller send current position coordinates to host computer, host computer will emulate satellite navigation signals with
Current position coordinates are estimated analysis, so as to judge whether the implementation status of satellite navigation system is qualified.Carrier is navigated and is controlled
Device processed carries out the navigation test of half material object, it may not be necessary to wait the whole machine for possessing the carrier navigation controller to prepare completely and group
Navigation test is carried out after installing again, also more not necessarily in outdoor by freezing winter and in sultry summer, the weather such as wind speed, temperature influenceed, and outdoor
The external environment conditions such as size, the layout in place are limited, and can indoors carry out multiple simple and quick, reperformance test, shorten research and development
Cycle, with raising machine product qualification rate and quickening Time To Market.
Brief description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing being further understood to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain the utility model, does not constitute to improper restriction of the present utility model.
Fig. 1 is the structure chart of test device described in a kind of embodiment of the utility model；
Fig. 2 is the structure chart of test device described in the utility model another kind embodiment；
Fig. 3 is the schematic diagram of the satellite navigation signal simulator in test device shown in Fig. 2；
Fig. 4 is the structured flowchart of the mathematical simulation unit in satellite navigation signal simulator shown in Fig. 3；
Fig. 5 is the structured flowchart of the signal simulation unit in satellite navigation signal simulator shown in Fig. 3.
Specific embodiment
The utility model is described in detail below in conjunction with the accompanying drawings, the description of this part be only it is exemplary and explanatory,
There should not be any restriction effect to protection domain of the present utility model.Additionally, those skilled in the art's retouching according to presents
State, respective combination can be carried out to the feature in embodiment in presents and in different embodiments.
As depicted in figs. 1 and 2, a kind of object test device of control system half based on satellite navigation, including be connected with each other
Carrier navigation controller and satellite navigation signal simulator, the satellite navigation signal simulator and carrier navigation controller are again
It is connected with host computer respectively.
Further, GNSS receiver is additionally provided between the satellite navigation signal simulator and host computer, to avoid
The satellite navigation signal simulator problem inconsistent with the decay of carrier navigation controller, testing result reliability is higher.
Specifically, carrier navigation controller is connected by serial ports or network interface with host computer.
At least any one emulation satellite in satellite navigation signal simulator generation BDS, GPS, GLONASS, GALILEO
Navigation signal.
Test device described in above the utility model embodiment be adapted to China, GPS of America, Europe Galileo,
In Russian GlONASS the carrier of any one satellite navigation system, i.e. satellite navigation signal simulator can generate BDS, GPS,
At least any one emulation satellite navigation signals in GLONASS, GALILEO, QZSS and GAGAN, there is provided a kind of compatibility
Satellite navigation analog signal is suitable for the navigation controller of different satellite navigation carriers.Further, in other embodiments, defend
Star navigation carrier track simulation parameter dispensing unit includes at least one motion model in vehicle-mounted, naval vessel, aircraft and guided missile, also
It is to say that navigation carrier can be the unmanned plane with satellite navigation system, unmanned automobile, unmanned naval vessel, even guided missile etc., carrier
The leading test of navigation controller is just more prominent for the importance that guided missile is developed.
On the basis of above-described embodiment, in another embodiment of the utility model, with reference to shown in Fig. 1 to Fig. 5, specifically,
The object test device of control system half based on satellite navigation, first by carrier navigation controller send position coordinates to
Satellite navigation signal simulator, satellite navigation signal simulator is according to position coordinates generation emulation satellite navigation signals, and difference
The emulation satellite navigation signals are sent to the carrier navigation controller and host computer, the carrier navigation controller also will
Current position coordinates are sent to the host computer, and the host computer is commented satellite navigation emulation signal with current position coordinates
Analysis is estimated, so as to judge the navigation performance that carrier navigation controller carries out half material object, it may not be necessary to which wait possesses this
The whole machine of carrier navigation controller carries out navigation test again after preparing completely and assembling, more cruel by severe cold not necessarily in outdoor
The influence of the weather such as heat, wind speed, temperature, and outdoor sports the limitation of the external environment condition such as size, layout, can carry out indoors many
Secondary simple and quick, reperformance test, shortens the R＆D cycle, with raising machine product qualification rate and quickening Time To Market.
Further, satellite navigation signal simulator can also be sent to GNSS receiver, and GNSS receiver leads satellite
Boat signal is sent to host computer, and analysis is compared by GNSS receiver and carrier navigation controller in host computer, judges
Whether the implementation status of satellite navigation system is qualified, can avoid declining for satellite navigation signal simulator and carrier navigation controller
Subtract inconsistent problem, detection data comparativity is high, and testing result reliability is higher.
Specifically, as shown in figure 3, satellite navigation signal simulator can include the Simulation Control list of signal connection successively
Unit, mathematical simulation unit, signal simulation unit, Simulation Control unit, for controlling emulation beat and configuration satellite navigation carrier
Track emulation parameter；Mathematical simulation unit, the emulation data of satellite navigation are calculated according to the simulation parameter；Signal simulation list
Unit, the radio frequency navigation letter that the emulation data conversion that the mathematical simulation unit is generated can be received into carrier navigation controller
Number.Specifically, in the present embodiment, as shown in figure 3, satellite navigation signal simulator includes calculating aeronautical satellite according to simulation parameter
Emulate the mathematical simulation unit of data, the emulation data conversion that mathematical simulation unit is generated is imitated into the signal of radio frequency navigation signal
True unit, for control emulation beat and configuration simulation parameter Simulation Control unit and for controlled output radio frequency navigation signal
Power attenuation scope power control unit, mathematical simulation unit Simulation Control unit control emulation beat and configuration emulate
The calculating that aeronautical satellite emulates data is carried out under parameter instruction, by data transfer, the signal in satellite navigation signal simulator
Simulation unit will emulate data conversion into radio frequency navigation signal, and power control unit controls the power attenuation model of radio frequency navigation signal
Enclose, have been adapted for the satellite navigation signals under optimal test mode, being transmitted to carrier navigation controller, GNSS by antenna receives
Machine；As shown in figure 4, generally the mathematical simulation unit includes space-time system model, satellite orbit and clock correction computation model, Yong Hufang
Very, basic observation data genaration model, space environment model, multipath model and navigation message generation model.Wherein, user's emulation
Including user trajectory attitude technology model, outside input track and inertial navigation parameter；The basic observation data genaration model includes
Relativistic effect is corrected and earth rotation effects correction；The space environment model include ionospheric model, Tropospheric Models and
Atmospheric attenuation model；The text generation model includes track fitting, clock correction fitting, ionosphere fitting and navigation message layout mould
Type.The major function of mathematical simulation unit is to complete to appoint in China BDS, GPS of America, Europe Galileo, Russia GlONASS
A kind of satellite orbit of satellite navigation system, user trajectory and space environment, calculate what user antenna mouthful face received in real time
The navigation signal characteristic of whole satellites in view, including satellite is with respect to the pseudorange of user, Doppler, doppler changing rate and Doppler
The data such as the rate of change of rate of change, for navigation signal and antenna that drive signal generating unit generation user antenna mouthful face receives
The navigation signal of rear end.Further, signal simulation unit includes baseband signal emulation module and upconverting unit, baseband signal
Emulation module observes data and produces base band navigation signal, upconverting unit to be responsible for become on base band navigation signal according to aeronautical satellite
Frequency is radio frequency navigation signal.As shown in figure 5, signal simulation unit includes baseband signal emulation and two parts of upconverting unit,
Baseband signal emulation module by system bus come aeronautical satellite observe data produce base band navigation signal, baseband signal emulation
Completed using Digital Signal Processing, base band FPGA and base band DA is constituted in structure, the common essence for completing digital baseband signal
Close to postpone control and code, carrier phase control, upconverting unit is responsible for for base band navigation signal up-converting to radio frequency navigation signal.
Simulation Control unit is responsible for showing whole equipment emulation rhythm control, simulation parameter configuration and simulation status real-time monitoring.
Simulation Control unit includes the real-time monitoring unit of display simulation status.Simulation Control unit also include user interface, visualization,
Scene configuration and administrative unit, user trajectory parameter configuration unit, Simulation Control and parameter set unit, aerial array parameter are matched somebody with somebody
Put unit.Simulation Control unit also includes self calibration unit control unit, the automatic calibration for completing time delay, power parameter.
Simulation Control unit is operational control center, is run in Simulation Control computer, realizes the coordinated management of navigation signal emulation,
To ensure the harmony and synchronism between each part.In the present embodiment, mathematical simulation unit constructs one in testing
Individual good test condition.
On the basis of above-described embodiment, in another embodiment of the utility model, the signal power control unit can be with
Including digital power signal control and program-controlled attenuator Power Control, wherein digital power signal control, is in digital baseband
Part is controlled to satellite-signal power.The power bracket of the radiofrequency signal of navigation signal simulator requirement output is -60dBm
~-150dBm, power resolution is 0.1dB, and power accuracy is 0.2dB.Therefore need to be divided the radiofrequency signal of output
Level treatment.Signal power control unit complete output radiofrequency signal power attenuation control, including digital power signal control and
Program-controlled attenuator Power Control two parts.Digital power signal control mainly completes satellite-signal work(in digital baseband part
The control of rate, so as to meet testing requirement of the user to satellite power 0.1dB resolution ratio.Program-controlled attenuator Power Control is main
Task is to complete to carry out the navigation signal of combining output the large-scale power attenuation controls of 0 overall~90dB.
Compared with prior art, the utility model has the following advantages that：
Position coordinates is sent to satellite navigation signal simulator, satellite navigation signal simulator by carrier navigation controller
According to position coordinates generation emulation satellite navigation signals, and emulation satellite navigation signals are sent respectively to the carrier Navigation Control
Device and host computer, carrier navigation controller send current position coordinates to host computer, host computer will emulate satellite navigation signals with
Current position coordinates are estimated analysis, so as to judge whether the implementation status of satellite navigation system is qualified.Carrier is navigated and is controlled
Device processed carries out the navigation test of half material object, it may not be necessary to wait the whole machine for possessing the carrier navigation controller to prepare completely and group
Navigation test is carried out after installing again, also more not necessarily in outdoor by freezing winter and in sultry summer, the weather such as wind speed, temperature influenceed, and outdoor
The external environment conditions such as size, the layout in place are limited, and can indoors carry out multiple simple and quick, reperformance test, shorten research and development
Cycle, with raising machine product qualification rate and quickening Time To Market.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (4)
1. a kind of half object test device based on satellite navigation control system, it is characterised in that：Including the carrier being connected with each other
Navigation controller and satellite navigation signal simulator, the satellite navigation signal simulator and carrier navigation controller again respectively with
Host computer is connected.
2. test device according to claim 1, it is characterised in that：The satellite navigation signal simulator and host computer it
Between be additionally provided with GNSS receiver.
3. test device according to claim 1, it is characterised in that：Carrier navigation controller by serial ports or network interface with it is upper
Position machine connection.
4. test device according to claim 1, it is characterised in that：Satellite navigation signal simulator generation BDS, GPS,
At least any one satellite navigation emulation signal in GLONASS, GALILEO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188181.6U CN206249088U (en) | 2016-10-28 | 2016-10-28 | The half object test device based on satellite navigation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621188181.6U CN206249088U (en) | 2016-10-28 | 2016-10-28 | The half object test device based on satellite navigation control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206249088U true CN206249088U (en) | 2017-06-13 |
Family
ID=59000401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621188181.6U Withdrawn - After Issue CN206249088U (en) | 2016-10-28 | 2016-10-28 | The half object test device based on satellite navigation control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206249088U (en) |
-
2016
- 2016-10-28 CN CN201621188181.6U patent/CN206249088U/en not_active Withdrawn - After Issue
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211108 Address after: 410000 building 16, phase I, Changsha Zhongdian Software Park, No. 39, Jianshan Road, high tech Development Zone, Changsha City, Hunan Province Patentee after: HUNAN MATRIX ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 410000 Room 302, 16 Building, Changsha Zhongdian Software Park Phase I, 39 Jianshan Road, Changsha High-tech Development Zone, Hunan Province Patentee before: HUNAN GUOKE DEFENSE ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170613 Effective date of abandoning: 20220831 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170613 Effective date of abandoning: 20220831 |