Satellite test star catalog plug device for high-grade device and satellite test device

Abstract

The invention provides a satellite test star catalog plug device and a satellite test device for a high-grade device, and the device comprises a satellite-borne switching module which achieves the network switching of a whole satellite; the star catalogue plug support and the star catalogue plug are connected with a whole-satellite test cable, the test cable is connected with satellite test equipment to realize whole-satellite test, and the star catalogue network port plug is connected with a ground test switch through a network cable; and the ground test switch is connected with the star catalogue network port plug, and the ground test switch is connected with ground test equipment. By adding a satellite AIT test star catalogue network plug and in-satellite network switching module interaction technology, the problems of difficulty in software updating of high-grade devices of a satellite-borne operating system, difficulty in test data interaction and the like are solved, and the effect of interconnection, intercommunication and interoperation of a satellite information system and a ground test information system in an AIT stage is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of satellite AIT testing, in particular to a satellite test star table plug device for high-level devices and a satellite test device. BACKGROUND

[0002] The star table plug of the traditional satellite AIT testing link lacks a network port, and the traditional satellite star table plug mainly comprises a 1553 bus plug, a CAN bus plug, a pyrotechnic plug, an RS422 plug, a travel switch plug and the like. With the large use of high-level devices, the traditional star table plug design cannot meet the testing requirements of high-level devices. High-level devices are widely used on satellites, and the satellite testing link needs to be updated and debugged by trivial software. During the single machine debugging stage, the network IP address is used to log in to the high-level device for code upgrade and maintenance, and during the whole satellite AIT stage, the star table socket also needs to provide a network port to log in to the high-performance device for code upgrade and maintenance.

[0003] At present, the whole satellite AIT testing stage of the on-board high-level device lacks a network interconnection environment. For a single integrated electronic CPU, the software can be loaded by logging in through an RS422 serial port and the like, but with the increase in the number of on-board high-level devices and the increase in the complexity of the software functions of the high-level devices, a single RS422 interface cannot meet the AIT testing requirements of multiple high-function-density processors, and it is urgent to solve the high-level device testing problem by using an AIT stage satellite-ground integrated network environment. SUMMARY

[0004] In view of the defects in the prior art, the application aims to provide a satellite test star table plug device for high-level devices and a satellite test device.

[0005] The satellite test star table plug device for high-level devices provided by the application comprises an on-board switching module, a star table plug support and a network port and a ground test switch.

[0006] The on-board switching module realizes whole satellite network switching and is connected with a data transmission single machine high-performance computer, a load single machine high-performance computer, an on-board processing high-performance computer and an integrated electronic high-performance computer.

[0007] The star table plug support and the network port are arranged at an opening of a satellite side cabin plate, and a whole satellite test cable is connected through the star table plug support and the star table plug, the test cable is connected with a satellite test device to realize whole satellite testing, and the star table network port plug is connected with a ground test switch through a network cable.

[0008] The ground test switch is connected with the star table network port plug, and the ground test switch is connected with a ground test device.

[0009] Preferably, the satellite-borne switching module is connected with the data transmission single high-performance computer, the payload single high-performance computer, the satellite processing high-performance computer and the integrated electronic high-performance computer through wired connection or intrastellar wireless connection.

[0010] The data transmission single high-performance computer realizes satellite remote sensing data compression, preprocessing, storage, and ground transmission functions; the payload single high-performance computer realizes satellite payload data management functions, and data transmission to satellite processing or data creation; the satellite processing high-performance computer realizes satellite remote sensing data processing, completes image preprocessing, target intelligent interpretation and data storage functions; and the integrated electronic high-performance computer realizes satellite telemetry and remote control and satellite state monitoring functions.

[0011] Preferably, the satellite-borne switching module is an independent single machine, which is inserted into any single machine as a network switching module through a VPX backplane.

[0012] Preferably, code debugging and maintenance are performed on the satellite-borne single high-performance processing chip through network remote login through a star table plug, the high-performance processing chip is installed with a corresponding version of operating system, and the high-performance processing chip has an independent IP address.

[0013] Preferably, the satellite-borne switching module identifies different satellite high-performance computers through IP addresses.

[0014] Preferably, the satellite network switching is only for intrasatellite network switching, and the switching object is a satellite-borne CPU processor having an operating system and a fixed IP address, and the intrasatellite network switching realizes data interaction access through TCP / UDP protocol.

[0015] Preferably, each CPU has an independent IP address, and AIT ground test stage accesses IP of any CPU on the satellite through a star table network plug.

[0016] Preferably, code debugging and maintenance are performed on the satellite-borne single high-performance processing chip through network remote login through a star table plug, and the specific steps include the following steps:

[0017] Step 1: The ground test computer and the satellite-borne high-performance processor are configured to the same network segment, and the satellite-borne high-performance processor is set with a fixed IP address.

[0018] Step 2: The ground test computer remotely logs in the satellite-borne high-performance processor using SSH, inputs a high-performance processor username and login password, or logs in using a super user root;

[0019] Step 3: A server and a client are set through tftp service, and debugging software code or executable files, dependent environment and solidification parameters are transmitted.

[0020] Step 4: Exit remote login, reboot to run the new version of the program on the high-performance processor.

[0021] Preferably, the star table network plug is a standard universal RJ45 female head, which is single or multiple according to test needs.

[0022] The satellite test device for high-level devices according to the present application comprises the satellite test star table plug device for high-level devices.

[0023] Compared with the prior art, the present application has the following beneficial effects:

[0024] The present application solves the problems of software updating difficulty and test data interaction difficulty of high-level devices with operating systems on satellites by adding the satellite AIT test star table network plug and the star-in-network exchange module interaction technology, and achieves the effect of interconnection, intercommunication and interoperation of the satellite information system and the ground test information system in the AIT stage. BRIEF DESCRIPTION OF DRAWINGS

[0025] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0026] Figure 1 Satellite test network star table plug device and interface

[0027] Figure 2 Star table and device connection relationship block diagram. DETAILED DESCRIPTION

[0028] The present application will be described in detail below with reference to specific embodiments. The following embodiments will help those skilled in the art to further understand the present application, but do not limit the present application in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present application. These all belong to the protection scope of the present application.

[0029] EMBODIMENT

[0030] As Figure 1 and Figure 2 The present application provides a satellite test star table plug device and interface for high-level devices, comprising: a star-borne exchange module, a star table plug support and a network port, and a ground test switch.

[0031] The star-borne exchange module realizes whole-star network exchange and is connected with a data transmission single high-performance computer, a load single high-performance computer, a star-borne processing high-performance computer, an integrated electronic high-performance computer, etc. through a network, including wired connection or star-in-network wireless connection. The star-borne exchange module can be an independent single machine or can be inserted into any single machine as a network exchange module through a VPX backboard.

[0032] Whole satellite network exchange is only for whole satellite internal network exchange, and the exchange object is a satellite-borne CPU processor, the satellite-borne CPU processor has an operating system and a fixed IP address, the whole satellite internal network exchange realizes data interaction access through a TCP / UDP protocol, and each CPU has an independent IP address. In the AIT ground test stage, the IP of any CPU on the satellite can be accessed through the star table network plug.

[0033] The data transmission single computer high-performance computer realizes the functions of satellite remote sensing data compression, preprocessing, storage, and ground transmission. The payload high-performance computer realizes the management function of satellite payload data, and the data is transmitted to the satellite processing or data creation. The satellite processing high-performance computer realizes satellite remote sensing data processing, completes image preprocessing, target intelligent interpretation and data storage. The integrated electronic high-performance computer realizes the functions of satellite remote sensing telemetry and remote control and satellite state monitoring.

[0034] The star table plug support and the network port are arranged at the opening of the satellite side cabin plate, the star table plug support and the star table plug are connected with the whole satellite test cable, the test cable is connected with the satellite test equipment to realize the whole satellite test. The star table network port plug is connected with the ground test switch through a network cable.

[0035] The whole satellite test in the application mainly increases remote login of ground test equipment to CPU operation of satellite-borne high-performance devices, facilitates code updating and maintenance of the satellite-borne high-performance devices, software debugging and environment updating.

[0036] The ground test switch is connected with the star table network port plug, and the ground test switch is connected with the ground test equipment, including but not limited to a data transmission ground test machine, a payload ground test machine and a satellite processing test machine.

[0037] The satellite-borne single computer high-performance processing chip can be remotely logged in through the star table plug to realize code debugging and maintenance. The high-performance processing chip is installed with a corresponding version of an operating system, and the high-performance processing chip has an independent IP address.

[0038] The network exchange module identifies different high-performance computers such as ARM, DSP, GPU and Ascend processor of the whole satellite through IP addresses.

[0039] The satellite-borne processor is installed with an embedded operating system such as linux, Fengyun Yihui, ubuntu and Euler.

[0040] The remote login high-performance processor realizes software upgrading and maintenance, including the following steps:

[0041] Step one: the ground test computer and the on-board high-performance processor are configured to the same network segment, the on-board high-performance processor is set with a fixed IP address, such as the on-board high-performance processor IP address is 192.168.0.10, and the ground test computer IP address is set to 192.168.0.100;

[0042] Step two: the ground test computer uses SSH to remotely log in the on-board high-performance processor, and inputs the high-performance processor username and login password, or uses the super user root to log in;

[0043] Step three: the server and the client are set through the tftp service, and files such as debugging software code or executable files, dependent environment, and solidification parameters are transmitted;

[0044] Step four: exit the remote login, reboot the high-performance processor to run the new version program.

[0045] The on-board switching module is a space product, and the ground test switch is a ground test equipment.

[0046] The star network port plug is a standard general rj45 female head, which can be single or multiple according to the test needs.

[0047] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0048] Those skilled in the art know that in addition to implementing the system, device and each module thereof provided by the present application in the form of pure computer readable program code, the same program can also be realized by logically programming the method steps to make the system, device and each module thereof provided by the present application in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers and embedded microcontrollers. Therefore, the system, device and each module thereof provided by the present application can be considered as a hardware component, and the modules included therein for realizing various programs can also be considered as structures within the hardware component; the modules for realizing various functions can also be considered as both software programs for realizing methods and structures within the hardware component.

[0049] The specific embodiments of the present application are described above. It needs to be understood that the present application is not limited to the specific embodiments described above, and various changes or modifications can be made by those skilled in the art within the scope of the claims, which does not affect the essential content of the present application. The embodiments of the present application and the features in the embodiments can be combined with each other at will without conflict.

Claims

1. A satellite test array connector device for high-level devices, characterized in that, include: Spaceborne switching module, satellite array plug bracket and network port and ground test switch; The onboard switching module enables whole-satellite network switching and connects to the data transmission stand-alone high-performance computer, the payload stand-alone high-performance computer, the onboard processing high-performance computer, and the integrated electronic high-performance computer. The satellite display plug bracket and network port are located at the opening of the side panel of the satellite. The satellite test cable is connected to the satellite test equipment through the satellite display plug bracket and the satellite display plug. The test cable is connected to the satellite test equipment to realize the whole satellite test. The satellite display network port plug is connected to the ground test switch through a network cable. The ground test switch is connected to the satellite network port plug, and the ground test switch is connected to the ground test equipment.

2. The satellite test array connector device for high-level devices according to claim 1, characterized in that, The onboard switching module connects to the data transmission stand-alone high-performance computer, the payload stand-alone high-performance computer, the onboard processing high-performance computer, and the integrated electronic high-performance computer via wired or onboard wireless connection. The single-unit high-performance computer for data transmission realizes the functions of on-board remote sensing data compression, preprocessing, storage, and transmission to the ground; the single-unit high-performance computer for payload realizes the function of satellite payload data management, and transmits the data to on-board processing or data creation; the high-performance computer for on-board processing realizes on-board processing of remote sensing data, and completes the functions of image preprocessing, intelligent target interpretation, and data storage; the integrated electronic high-performance computer realizes the functions of whole-satellite mission telemetry and remote control and whole-satellite status monitoring.

3. The satellite test array connector device for high-level devices according to claim 1, characterized in that, The onboard switching module is a standalone unit that can be plugged into any standalone unit via a VPX backplane as a network switching module.

4. The satellite test array connector device for high-level devices according to claim 1, characterized in that, Remote login via network using the satellite connector allows for code debugging and maintenance of the onboard high-performance processing chip. The high-performance processing chip is equipped with the corresponding version of the operating system and has an independent IP address.

5. The satellite test array connector device for high-level devices according to claim 1, characterized in that, The onboard switching module identifies different high-performance computers on the satellite by their IP addresses.

6. The satellite test array connector device for high-level devices according to claim 1, characterized in that, The satellite-wide network switching only applies to the internal network switching of the entire satellite. The switching object is the onboard CPU processor, which has an operating system and a fixed IP address. The internal network switching of the entire satellite achieves data interaction and access through the TCP / UDP protocol.

7. The satellite test array connector device for high-level devices according to claim 6, characterized in that, Each CPU has an independent IP address. During the AIT ground testing phase, the IP address of any CPU on the satellite can be accessed through the satellite network connector.

8. The satellite test array connector device for high-level devices according to claim 4, characterized in that, Remotely log in via network using the satellite array connector to debug and maintain the code of the onboard high-performance processing chip. The specific steps include the following: Step 1: Configure the ground test computer and the onboard high-performance processor to the same network segment, and set a fixed IP address for the onboard high-performance processor; Step 2: The ground test computer remotely logs into the onboard high-performance processor using SSH, enters the high-performance processor username and login password, or logs in using the super user root. Step 3: Configure the server and client via TFTP service to transfer debugging software code or executable files, dependencies, and fixed parameters; Step 4: Exit remote login and reboot to restart the high-performance processor and run the new version of the program.

9. The satellite test array connector device for high-level devices according to claim 1, characterized in that, The satellite network port connector is a standard universal RJ45 female connector, and can be single or multiple depending on the testing requirements.

10. A satellite testing device for high-level devices, characterized in that, A satellite test array plug device for high-level devices, comprising any one of claims 1 to 9.

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