CN210089712U - Multi-carrier combined navigation simulation device - Google Patents
Multi-carrier combined navigation simulation device Download PDFInfo
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- CN210089712U CN210089712U CN201922435398.2U CN201922435398U CN210089712U CN 210089712 U CN210089712 U CN 210089712U CN 201922435398 U CN201922435398 U CN 201922435398U CN 210089712 U CN210089712 U CN 210089712U
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Abstract
The utility model belongs to the technical field of the navigation simulation, concretely relates to multi-carrier combination navigation simulation device. The carrier comprises N carriers, wherein one carrier consists of a CPCI signal generation board card, a radio frequency module and an inertial navigation signal generation board card, and N is more than or equal to 2 and less than or equal to 6; one CPCI bottom plate is respectively connected with one time-frequency board card, one CPCI industrial control board and N carriers; the CPCI signal generation board card is respectively connected with the radio frequency module and the inertial navigation signal generation board card. The multi-carrier combined navigation simulation in a single 3U device can be realized only by the expansion board card, and the random multi-carrier combined navigation simulation in the single device can be realized, so that the problems of complex composition, large volume and high cost of the multi-carrier combined navigation simulation test device can be solved; and the problem that the time synchronization of the multi-carrier combined navigation simulation test equipment is difficult to maintain and correct internally can be solved.
Description
Technical Field
The utility model belongs to the technical field of the navigation simulation, concretely relates to multi-carrier combination navigation simulation device.
Background
No matter in civil or military field in recent years, unmanned aerial vehicle's proportion of use is higher and higher, and unmanned aerial vehicle's navigation precision is its key that can accomplish the task. The unmanned aerial vehicle navigation mainly depends on the integrated navigation combining inertial navigation and satellite navigation, and the multi-carrier integrated navigation simulation device is specially used for unmanned aerial vehicle formation simulation test.
At present, the existing multi-carrier combined navigation simulation device is realized by connecting a plurality of simulation devices in parallel, the synchronization among the devices is realized by adopting an external clock source or the clock cascade of the devices, and the devices have complex composition, large volume and high cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a many carriers combination navigation analogue means only needs to realize the many carriers combination navigation simulation in the single unit 3U equipment through the extension integrated circuit board to it is complicated to solve many carriers combination navigation simulation test equipment constitution, and is bulky, problem with high costs.
The utility model is realized by the following technical proposal, comprising N carriers, wherein one carrier consists of a CPCI signal generation board card, a radio frequency module and an inertial navigation signal generation board card, and N is more than or equal to 2 and less than or equal to 6; one CPCI bottom plate is respectively connected with one time-frequency board card, one CPCI industrial control board and N carriers; the CPCI signal generation board card is respectively connected with the radio frequency module and the inertial navigation signal generation board card. The CPCI bottom plate maximally supports six sets of CPCI signal generation board cards to be installed with the inertial navigation signal generation board card, so that two to six carrier combination navigation simulation is realized through board card configuration.
The time-frequency board card provides a reference clock or receives an external clock as the reference clock; the CPCI signal generation board card and the radio frequency module generate a satellite-guided analog signal of the carrier; the inertial navigation signal generating board generates an inertial navigation analog signal corresponding to the carrier;
the time-frequency board card is started by simulation software in a starting process in a time service mode, and then automatically runs in a time-keeping mode, and synchronization of internal simulation in the time-keeping mode is provided.
And the CPCI industrial control board completes the simulation calculation of each carrier combined navigation signal parameter, and then sends the result with the timestamp to the CPCI signal generation board card and the inertial navigation signal generation board card.
The CPCI signal generation board card and the inertial navigation signal generation board card adopt the reference time provided by the time frequency board card, receive data with time stamps issued by the CPCI industrial control board, compare the local time with the sending time stamps of the data in the cache queue respectively, and then generate the satellite navigation analog signal and the inertial navigation analog signal at corresponding moments.
The utility model has the advantages that the multi-carrier combination navigation simulation in a single 3U device can be realized only by the expansion board card, and the random multi-carrier combination navigation simulation in a single device can be realized, thereby solving the problems of complex composition, large volume and high cost of the multi-carrier combination navigation simulation test device; and the problem that the time synchronization of the multi-carrier combined navigation simulation test equipment is difficult to maintain and correct internally can be solved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a diagram showing the structure of a vector.
Detailed Description
The following describes a multi-carrier combined navigation simulation apparatus according to an embodiment of the present invention with reference to fig. 1 and 2, which includes N carriers 1, where one carrier 1 is composed of a CPCI signal generation board 11, a radio frequency module 12, and an inertial navigation signal generation board 13, where N is greater than or equal to 2 and less than or equal to 6; one CPCI bottom plate 2 is respectively connected with one time-frequency board card 3, one CPCI industrial control board 4 and N carriers 1; the CPCI signal generation board 11 is respectively connected to the radio frequency module 12 and the inertial navigation signal generation board 13. The CPCI bottom plate 2 supports the installation of six sets of CPCI signal generation board cards 11 and inertial navigation signal generation board cards 13 to the maximum extent, so that two to six carrier combined navigation simulation is realized through board card configuration.
The time-frequency board card 3 provides a reference clock or receives an external clock as the reference clock; the CPCI signal generating board 11 and the radio frequency module 12 can generate a guard guide analog signal of the carrier 1; the inertial navigation signal generating board 13 can generate an inertial navigation analog signal corresponding to the carrier 1;
the time-frequency board card 3 is timed and started by simulation software in a starting process, and then automatically runs in a time-keeping mode, so that internal simulation time-keeping synchronization is provided.
And the CPCI industrial control board 4 completes the simulation calculation of the combined navigation signal parameters of each carrier 1, and then sends the result with the timestamp to the CPCI signal generation board card 11 and the inertial navigation signal generation board card 13.
The CPCI signal generation board 11 and the inertial navigation signal generation board 13 receive data with timestamps issued by the CPCI industrial control board 4 by using the reference time provided by the time-frequency board 3, compare the local time with the transmission timestamps of the data in the cache queue, and then generate the satellite navigation analog signal and the inertial navigation analog signal at corresponding moments.
Specifically, the CPCI signal generation board 11 is designed with four DACs and 2K 7 FPGA chips, supports 80 signal generation channels, receives simulation parameters issued by the CPCI industrial control board 4 to generate a navigation simulation intermediate frequency signal, and the matched radio frequency module 12 is a four-channel radio frequency module to complete four-band navigation signal simulation; the inertial navigation signal generation board card can generate inertial navigation analog signals of a gyro model and an accelerometer model.
According to the utility model discloses an embodiment, the 2 biggest support of CPCI bottom plate 6 CPCI signal generation integrated circuit boards 11 of group and the installation of being used to lead signal generation integrated circuit board 13, consequently 1 combination navigation analogue means of many carriers can realize 2 to 6 carriers 1 combination navigation simulation through the integrated circuit board configuration.
According to the utility model discloses a many carriers combination navigation analogue means realizes 1 combination navigation simulation of arbitrary many carriers in the single unit equipment to can solve many carriers combination navigation simulation test equipment time synchronization and be difficult to maintain and the problem of interior school.
Claims (4)
1. A multi-carrier combined navigation simulation device is characterized in that:
the carrier comprises N carriers, wherein one carrier consists of a CPCI signal generation board card, a radio frequency module and an inertial navigation signal generation board card, and N is more than or equal to 2 and less than or equal to 6; one CPCI bottom plate is respectively connected with one time-frequency board card, one CPCI industrial control board and N carriers; the CPCI signal generation board card is respectively connected with the radio frequency module and the inertial navigation signal generation board card.
2. The multi-carrier integrated navigation simulation device according to claim 1, wherein: the time-frequency board card provides a reference clock or receives an external clock as the reference clock; the CPCI signal generation board card and the radio frequency module generate satellite guide analog signals corresponding to the carrier; the inertial navigation signal generating board generates an inertial navigation analog signal corresponding to the carrier;
the time-frequency board card is started by simulation software in a starting process in a time service mode, and then automatically runs in a time-keeping mode, and synchronization of internal simulation in the time-keeping mode is provided.
3. The multi-carrier integrated navigation simulation device according to claim 1, wherein: and the CPCI industrial control board completes the simulation calculation of each carrier combined navigation signal parameter, and then sends the result with the timestamp to the CPCI signal generation board card and the inertial navigation signal generation board card.
4. The multi-carrier integrated navigation simulation device according to claim 1, wherein: the CPCI signal generation board card and the inertial navigation signal generation board card adopt the reference time provided by the time frequency board card, receive data with time stamps issued by the CPCI industrial control board, compare the local time with the sending time stamps of the data in the cache queue respectively, and then generate the satellite navigation analog signal and the inertial navigation analog signal at corresponding moments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922435398.2U CN210089712U (en) | 2019-12-30 | 2019-12-30 | Multi-carrier combined navigation simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922435398.2U CN210089712U (en) | 2019-12-30 | 2019-12-30 | Multi-carrier combined navigation simulation device |
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| Publication Number | Publication Date |
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| CN210089712U true CN210089712U (en) | 2020-02-18 |
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| CN201922435398.2U Active CN210089712U (en) | 2019-12-30 | 2019-12-30 | Multi-carrier combined navigation simulation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112379396A (en) * | 2020-06-11 | 2021-02-19 | 襄阳达安汽车检测中心有限公司 | System and method for calibrating time and distance parameters of automobile satellite navigation tester |
-
2019
- 2019-12-30 CN CN201922435398.2U patent/CN210089712U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112379396A (en) * | 2020-06-11 | 2021-02-19 | 襄阳达安汽车检测中心有限公司 | System and method for calibrating time and distance parameters of automobile satellite navigation tester |
| CN112379396B (en) * | 2020-06-11 | 2021-10-26 | 襄阳达安汽车检测中心有限公司 | System and method for calibrating time and distance parameters of automobile satellite navigation tester |
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| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yonghu Inventor after: Xu Lanxia Inventor after: Dai Zhichun Inventor before: Zhang Yonghu Inventor before: Xu Lanxia Inventor before: Dai Zhichun Inventor before: Wu Shunxiao |
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| CB03 | Change of inventor or designer information |