CN115373289B - Automatic testing device of space-sky cooperative remote sensing system - Google Patents
Automatic testing device of space-sky cooperative remote sensing system Download PDFInfo
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Abstract
The application provides an automatic testing device of a space-adjacent-space collaborative remote sensing system, which is used for automatically testing a tested system. The automatic test equipment includes: the test and monitoring management subsystem comprises: satellite data management system, airship data management system, unmanned aerial vehicle data management system and ground monitoring management system; and the time system equipment is used for completing time alignment of all units in the tested system and the automatic testing device. The time system equipment transmits satellite time service information to a satellite platform ground simulation verification subsystem, an airship platform ground simulation verification subsystem, an unmanned plane platform ground simulation verification subsystem, a ground platform simulation verification subsystem and a ground monitoring management system.
Description
Technical Field
The application belongs to the field of automatic test and verification of space-adjacent-space collaborative remote sensing systems in whole, and particularly relates to an automatic test device and system of an integrated collaborative comprehensive remote sensing system constructed by space-based satellites, nearby space airships, aviation unmanned planes or large/small unmanned planes.
Background
Both research and development of aerospace technology require qualitative, quantitative testing and inspection of automated testing techniques. With the rapid development of computer technology, microelectronic technology, network communication technology and testing technology, the complexity of aerospace systems and devices is increased, and the traditional testing mode cannot meet the testing requirement of a large system. The system is characterized in that a satellite, an airship, an unmanned aerial vehicle and other multi-domain platforms are comprehensively adopted for collaborative remote sensing, so that all-day, all-weather and high-precision remote sensing image information is acquired, accurate emergency application data service is provided for users, the testing system is very complex, the testing subsystems are long in testing period, the traditional testing method is characterized in that the processes of manually operating equipment, reading and recording instrument data and the like are complicated, the testing of each subsystem is easy to be asynchronous, the testing process is broken and the like, meanwhile, tiny human testing errors introduced in the middle process of testing possibly cause overlarge deviation and even errors of the whole testing result after being accumulated by all-level errors, the traditional testing mode is difficult to be applied to testing verification of a complex system, an automatic testing device and a system are required to be constructed, the simulation of the complex system is integrated in a laboratory, the simulation and simulation data are adopted as input, the working state of the whole flow of the simulation system is automatically acquired and calculated in the automatic testing process, the testing efficiency can be greatly improved, the reliability of the testing result is improved, the construction of the automatic testing device and the system is extremely significant in the future construction and the time of the automatic testing device and the system is greatly consumed and the automatic construction and the time of the automatic testing system is more and more important in the future.
Because the space-adjacent-space collaborative remote sensing system really enters the development and construction stage in recent years, and the testing system is complex and has large investment, the automatic testing method is not applied to the testing field.
Disclosure of Invention
In order to solve the problems of system resource structure, load composition, information flow, application mode, scene design, integrated simulation method and the like related to integrated simulation verification of the space-adjacent-space collaborative remote sensing system, the application provides an automatic testing device of the space-adjacent-space collaborative remote sensing system.
The application provides an automatic testing device of space-adjacent-space collaborative remote sensing system for automatic test is carried out to the system under test, the system under test is the ground emulation verification system of space-adjacent-space collaborative remote sensing system, the system under test includes: a satellite platform ground simulation verification subsystem, an airship platform ground simulation verification subsystem, an unmanned plane platform ground simulation verification subsystem and a ground platform simulation verification subsystem,
wherein, the automatic testing device includes:
the test and monitoring management subsystem comprises: satellite data management system, airship data management system, unmanned aerial vehicle data management system and ground monitoring management system;
the time system equipment is used for completing time alignment of all units in the tested system and the automatic testing device;
wherein the satellite data management system, the airship data management system and the unmanned aerial vehicle data management system are respectively connected with a satellite platform ground simulation verification subsystem, an airship platform ground simulation verification subsystem and an unmanned aerial vehicle platform ground simulation verification subsystem, the ground platform simulation verification subsystem is connected with a ground monitoring management system,
wherein the time system equipment transmits satellite time service information to a satellite platform ground simulation verification subsystem, an airship platform ground simulation verification subsystem, an unmanned plane platform ground simulation verification subsystem, a ground platform simulation verification subsystem and a ground monitoring management system,
the system comprises a satellite data management system, an airship data management system and an unmanned aerial vehicle data management system, wherein the satellite data management system, the airship data management system and the unmanned aerial vehicle data management system are used for respectively receiving load state information reported by each load in the satellite platform ground simulation verification subsystem, the airship platform ground simulation verification subsystem and the unmanned aerial vehicle platform ground simulation verification subsystem, and forwarding the reported load state information to a ground monitoring management system, and the ground monitoring management system performs index calculation on the load state information to obtain index test values and display the index test values in real time.
In at least one embodiment according to the present application, the time system device comprises an NTP time network server, a pulse-per-second distributor, a navigation receiver,
the navigation receiver receives the navigation signal and transmits satellite time service information to a satellite data management system, an airship data management system, an unmanned aerial vehicle data management system and an NTP time network server through a network switch,
the satellite data management system, the airship data management system and the unmanned aerial vehicle data management system broadcast and distribute satellite time service information to the satellite platform ground simulation verification subsystem and all load units of the airship platform ground simulation verification subsystem and the unmanned aerial vehicle platform ground simulation verification subsystem,
the NTP time network server is connected with the ground platform simulation verification subsystem and the ground monitoring management system,
the navigation receiver is also connected to the satellite platform ground simulation verification subsystem, the airship platform ground simulation verification subsystem and the unmanned plane platform ground simulation verification subsystem through the radio frequency line and the second pulse distributor, and the time setting function is completed in a matched mode.
In at least one embodiment according to the present application, the payload status information includes a test time stamp and critical data.
In at least one embodiment according to the present application, the test indicators of the automatic test equipment include data transmission rate, packet loss rate, task planning time, co-observation positioning accuracy, multi-source data fusion time, data distribution time, task maximum response time.
In at least one embodiment according to the present application, the test and monitoring management subsystem further comprises an auxiliary test unit, which is a network switch.
In at least one embodiment according to the present application, a satellite platform ground simulation verification subsystem includes an onboard camera controller, a mission planning system, a data processing system, and a communication unit;
the ground simulation verification subsystem of the airship platform comprises a boat-mounted camera controller, a data processing system and a communication unit;
the unmanned aerial vehicle ground simulation verification subsystem comprises an airborne camera controller, a data processing system and a communication unit;
the ground simulation verification subsystem comprises a task planning system, data exchange equipment, a user terminal and a communication unit.
In at least one embodiment in accordance with the present application, wherein,
the satellite platform ground simulation verification subsystem, the airship platform ground simulation verification subsystem and the unmanned plane platform ground simulation verification subsystem are respectively connected to the satellite data management system, the airship data management system and the unmanned plane data management system through the CAN bus and the OC control bus.
In at least one embodiment according to the present application, wherein the ground platform emulation verification subsystem is connected to the ground monitoring management system through a LAN network.
The application also provides a test method of the space-adjacent-space collaborative remote sensing system, which is used for testing by using the automatic test device, and comprises the following steps:
s1: completing the starting self-checking and time alignment of the automatic testing device;
s2: the tested system automatically executes the business process and simultaneously carries out the automatic test process of the automatic test device,
in the process of automatically executing the business flow by the tested system, all loads in the satellite platform ground simulation verification subsystem, the airship platform ground simulation verification subsystem and the unmanned aerial vehicle platform ground simulation verification subsystem report the load state information to the satellite data management system, the airship data management system and the unmanned aerial vehicle data management system respectively,
the satellite data management system, the airship data management system and the unmanned aerial vehicle data management system forward the load state information to the ground monitoring management system,
and the ground monitoring management system performs index calculation on the load state information, acquires an index test value and displays the index test value in real time.
The present application also provides a computer readable storage medium having stored thereon software instructions that when executed implement the above-described method.
Under laboratory environment, the automatic testing device provided by the application completes the environment integration, installation and debugging of the automatic testing device, completes the automatic testing of the space-adjacent-space collaborative remote sensing system based on the system, runs through the system business process, acquires the key index test value, completes the comprehensive efficiency evaluation of the space-adjacent-space collaborative remote sensing system based on the test data, builds the space-adjacent-space collaborative remote sensing system test environment in the outfield by referring to the design thought of the automatic testing system, develops the outfield test, and achieves the expectations of indoor and outfield test results, thereby having good effect. The automatic testing device provided by the application has scientific and reasonable properties.
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The above features, technical features, advantages and the manner of attaining them will be further described in the following description of preferred embodiments in conjunction with the accompanying drawings in a clear and understandable manner. The following drawings are only for purposes of illustration and explanation of the present application and are not intended to limit the scope of the present application. Wherein:
fig. 1 shows a schematic structural diagram of an automatic test device of an air-space collaborative remote sensing system according to an embodiment of the present application.
Fig. 2 shows a schematic structural diagram of a system under test according to an embodiment of the present application.
Fig. 3 illustrates a connection relationship between a test and monitoring management subsystem and a system under test according to an embodiment of the present application.
Fig. 4 shows a timing device test connection diagram according to an embodiment of the present application.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present application, a specific embodiment of the present application will be described with reference to the accompanying drawings.
Fig. 1 shows a schematic structural diagram of an automatic test device of an air-space collaborative remote sensing system according to an embodiment of the present application. As shown in fig. 1, the automatic test device is used for realizing automatic test of a tested system (namely, a ground simulation verification system of an sky-space collaborative remote sensing system) in a laboratory environment. The automatic test equipment includes: a test and monitoring management subsystem; a time system device.
1. System under test
As shown in figure 1, the tested system is a ground simulation verification system of a space-above-ground collaborative remote sensing system, and comprises a satellite platform ground simulation verification subsystem, an airship platform ground simulation verification subsystem, an unmanned plane platform ground simulation verification subsystem and a ground platform simulation verification subsystem.
The structure of the system under test is shown in fig. 2. The satellite platform ground simulation verification subsystem comprises an on-board camera controller, a mission planning system, a data processing system and a communication unit. The ground simulation verification subsystem of the airship platform comprises a boat-mounted camera controller, a data processing system and a communication unit. The unmanned aerial vehicle ground simulation verification subsystem comprises an airborne camera controller, a data processing system and a communication unit. The ground simulation verification subsystem comprises a task planning system, data exchange equipment, a user terminal and a communication unit.
Fig. 2 also shows the interfacing relationship of the system under test. In the satellite platform ground simulation verification subsystem, the airship platform ground simulation verification subsystem, the unmanned plane platform ground simulation verification subsystem and the ground platform simulation verification subsystem, the subsystems are connected by radio frequency lines in pairs, and wireless communication is replaced by wired connection to form a full communication network, so that information interaction and communication of the two-by-two subsystems are realized.
As shown in fig. 2, the satellite platform ground simulation verification subsystem, the airship platform ground simulation verification subsystem, and the unmanned plane platform ground simulation verification subsystem can be connected to the ground platform simulation verification subsystem through radio frequency lines, respectively.
The satellite platform ground simulation verification subsystem, the airship platform ground simulation verification subsystem and the unmanned plane platform ground simulation verification subsystem are connected to the test and monitoring management subsystem through the CAN bus and the OC control bus so as to realize the functions of load control, state monitoring, key information downloading and the like. The ground platform simulation verification subsystem is connected to the test and monitoring management subsystem through a LAN network. The tested system is connected to the time system equipment through a 1PPS radio frequency line and completes the functions of system time synchronization and the like by matching with the time information broadcast by the CAN bus.
2. Test and monitoring management subsystem
The test and monitoring management subsystem mainly completes the automatic test and the monitoring management of the state, data and the like of the tested prototype system. As shown in fig. 3, the test and monitoring management subsystem includes a satellite data management system, an airship data management system, an unmanned aerial vehicle data management system, a ground monitoring management system, and an auxiliary test unit (such as a network switch, etc.). The specific connection structure of the test and monitor management subsystem and the tested system is shown in fig. 3.
The system comprises a satellite, an airship, and a data management system of each platform of the unmanned aerial vehicle, wherein the data management system is connected to a satellite platform ground simulation verification subsystem, an airship platform ground simulation verification subsystem and an unmanned aerial vehicle platform ground simulation verification subsystem through a CAN bus and an OC control bus respectively, and is used for completing tasks such as load instruction/OC control, instruction analysis, load status summarization and downloading, test process information downloading, platform attitude data and time data broadcasting distribution of each platform of the satellite, the airship and the unmanned aerial vehicle. The ground platform simulation verification subsystem is connected to the ground monitoring management system through a LAN network. The ground monitoring management system provides a display platform for executing and monitoring test tasks, and has the functions of monitoring test progress, monitoring load states of all platforms in real time, displaying image products and test indexes in real time and the like.
3. Time system equipment
The time system equipment comprises an NTP time network server, a second pulse distributor and a navigation receiver, and is used for completing time alignment of each platform subsystem, ensuring that the time of all units of the whole system is uniform, and providing a uniform time standard for normal operation of the system and subsequent test index calculation. The principle of the time system equipment is shown in fig. 4.
The navigation receiver receives the navigation signal and transmits satellite time service information to a data management system (including a satellite data management system, an airship data management system and an unmanned aerial vehicle data management system) of each platform and an NTP time network server through a network switch. After the time key information is extracted by each platform data management system and format conversion is carried out, the time information is broadcast and distributed to all load units of the satellite platform ground simulation verification subsystem, the airship platform ground simulation verification subsystem and the unmanned plane platform ground simulation verification subsystem through the CAN bus, and each load is time aligned according to the broadcast time.
The NTP time network server is connected to the ground platform simulation verification subsystem and the ground monitoring management system. The ground platform simulation verification subsystem and the ground monitoring management system are server devices, and mainly time alignment is completed by software time alignment and obtaining a time reference from an NTP time network server through a network cable. In the automatic testing device, all units adopt a high-precision time service receiver to perform unified time service and 1pps signals to perform time synchronization, the time sequence of the whole automatic testing device is highly consistent, and other platforms reach ns levels except that the time synchronization precision of software of a ground system is ms level.
The automatic testing device provided by the application can complete one-key automatic testing of key indexes such as data transmission rate, packet loss rate, task planning time, collaborative observation positioning precision, multi-source data fusion time, data distribution time, task maximum response time and the like of the space-adjacent-space collaborative remote sensing system, and is divided into seven testing subjects, wherein the seven testing subjects are respectively: ground task planning, task instruction uploading, satellite wide area searching and online autonomous planning, airship key area staring observation, unmanned aerial vehicle accurate confirmation, multi-source data fusion and intelligent data product distribution.
The specific test process of the automatic test device provided by the application comprises the following steps:
s1: the test devices are connected according to fig. 1 to 4, and the power-on self-test and time alignment are completed.
S2: the tested system automatically executes the business process and simultaneously carries out the automatic test process of the automatic test device. The business process automatically executed by the tested system comprises the following steps:
1) And planning ground tasks.
The ground user terminal simulates the observation requirement initiated by a single user or command post, the requirement is forwarded to the task planning system, and the ground task planning system performs task planning, scheduling and control according to the requirement of the user to generate satellite, airship and unmanned plane observation tasks;
2) The task instruction is annotated.
The satellite, the airship and the unmanned aerial vehicle observation tasks are respectively forwarded and uploaded to a satellite, the airship and an unmanned aerial vehicle data management system through a communication unit;
3) Satellite wide area search and online autonomous planning.
After receiving a ground task instruction, the satellite platform data management system analyzes the instruction, and schedules the camera controller to start up, the camera controller correctly analyzes the instruction after receiving a wide area search instruction, and downloads a preset target area image to the on-board processing system, the on-board processing system processes the target area image, determines the approximate azimuth and range of the observed area, and sends an image slice to the on-board task planning system, and the on-board task planning system performs autonomous task planning according to the satellite wide area search result to generate a satellite collaborative observation task, and completes multi-source data fusion of the preset high-resolution remote sensing image and the low-resolution remote sensing image to generate an on-board multi-source remote sensing image product. The satellite data management system controls the on-board processing system to send the on-board multi-source remote sensing image product to the airship platform through the communication unit for on-board multi-source data fusion;
4) Staring observation is carried out on important areas of the airship.
After receiving the ground task instruction, the airship communication unit forwards the task instruction to the on-board data management system, and after analyzing the instruction, the on-board data management system controls the camera controller to start up and work and transmits a preset staring image to the on-board processing system; the airship communication unit receives the satellite multi-source remote sensing image and then forwards the satellite multi-source remote sensing image to the on-board processing system; the airship communication unit receives the multi-source remote sensing image of the unmanned aerial vehicle and then forwards the multi-source remote sensing image to the on-board processing system;
5) And (5) accurately confirming the unmanned aerial vehicle.
After receiving a ground task instruction, the unmanned aerial vehicle communication unit forwards the instruction to an on-board data management system, the on-board data management system analyzes the task instruction and controls a camera controller to start up to work so as to accurately confirm a designated observation area, the camera controller sends a preset accurate confirmation image to the on-board data processing system, the on-board processing system processes image data to acquire accurate information of the observation area, and the data management system controls the data processing system to upload a processed accurate confirmation image product to an airship platform through the communication unit so as to enable the airship platform to perform multi-source data fusion;
6) Multisource data fusion on-boat
The on-board processing system performs multi-source data fusion and comprehensive processing on the on-board staring observation image issued by the airship camera controller, the satellite and the on-board multi-source remote sensing image product issued by the unmanned aerial vehicle and the precisely confirmed image product, and acquires precise information such as the position, the number and the development state of the observation target.
7) Intelligent distribution of data products
In the emergency support mode, the multisource fusion data image of the airship platform is directly transmitted to the user terminal through the communication unit for decision making and emergency rescue. In a conventional observation mode, original image information of satellites, airships and unmanned aerial vehicles is issued to a ground data processing system through a communication unit, the ground data processing system carries out multi-source fusion and product production on original data of each platform, and issues product data to a user terminal through data exchange equipment.
After the steps 1) to 7) are completed, the automatic execution process of one business process of the system is completed. In the process of automatically executing the service by the tested system, all loads in the satellite platform ground simulation verification subsystem, the airship platform ground simulation verification subsystem and the unmanned plane platform ground simulation verification subsystem of the tested system report the self load state information to respective data management systems through CAN buses at the frequency of 1Hz, and report the information such as test time marks, key data and the like according to a defined protocol. The satellite data management system, the airship data management system and the unmanned aerial vehicle data management system receive and collect information reported by each load in the corresponding platform, after data formatting processing is completed, load data packets of each platform are forwarded to the ground monitoring management system through communication units of each platform, the ground monitoring management system analyzes the received load data packets of each platform, and the load states of each platform are displayed in real time, so that state monitoring of each platform is realized. And the ground monitoring management system calculates indexes of the received test time mark information, key data and other information, acquires an index test value and displays the index test value on an interface in real time. The image products generated by each platform in real time are forwarded to the ground monitoring management system through the communication unit, and the ground monitoring management system graphically displays the received image data products, so that testers can know the system test conditions in time.
Through verification, the image products are collected from the user demands and the index test values are displayed in the monitoring management system, the whole flow is 5-10 minutes on average, and more than ten people are needed to participate in the whole flow test manually, and at least more than two days and even more than one week are needed. Therefore, by adopting the automatic testing device provided by the application, the testing efficiency is greatly improved, the consumption of manpower and material resources is saved, a large amount of measured data can be obtained in a short time, and great convenience and support are provided for researchers to analyze and process the data.
In addition, the automatic testing device provided by the application opens up business processes and interfaces between platforms of the space-near-air collaborative remote sensing system, and lays a foundation for developing a outfield test.
In the automatic testing device of the space-adjacent-sky collaborative remote sensing system, the number of load carrying platforms such as satellites, airships, aviation planes and small unmanned aerial vehicles in each domain can be increased according to actual demands, and the load types and the number carried by each platform can be dynamically adapted. Due to the complexity of the system and the increasing expansion of the space-sky collaborative remote sensing system, the system construction method provided by the invention can further refine task requirements, design corresponding system configurations aiming at different tasks, configure reasonable load resources and ensure that the optimal earth observation effect is achieved with the least system cost.
The automatic testing device for the space-sky cooperative remote sensing system provided by the embodiment of the application consists of a satellite to be tested, an airship, an unmanned aerial vehicle, a ground system and a testing and monitoring management subsystem, wherein the structure, the function and the interface of each subsystem are shown in figures 1-4. The test and monitoring management subsystem consists of auxiliary test units such as a satellite, an airship, an unmanned aerial vehicle data management system, a monitoring management system, a network switch and the like, and mainly completes automatic test of a prototype system and monitoring management of states, data and the like; the time system equipment consists of an NTP time network server, a second pulse distributor and a navigation receiver, mainly completes time alignment of all platforms of the whole system, ensures that the time of all units of the system is uniform, and provides a uniform time standard for normal operation of the system and subsequent test index calculation. The simulation verification environment and the monitoring and test management subsystem of each platform are mainly connected with the OC control bus through the CAN bus, so that the functions of load control, state monitoring, key information downloading and the like are realized; the system is connected with the time system equipment through a 1PPS radio frequency line, and the functions of system time synchronization and the like are completed by matching with time information broadcast by the CAN bus.
According to the automatic testing device provided by the embodiment of the application, seven testing subjects can be completed, and the seven testing subjects are respectively: ground task planning, task instruction uploading, satellite wide area searching and online autonomous planning, airship key area staring observation, unmanned aerial vehicle accurate confirmation, multi-source data fusion and intelligent data product distribution. According to the automatic testing device provided by the embodiment of the application, starting from the proposal of the user requirement, the closed-loop workflow of issuing the image products to the user terminal is completed after seven testing subjects are automatically executed in sequence.
According to one embodiment of the application, the key indexes of the space-sky collaborative remote sensing system which can be completed by the testing device comprise: the ground monitoring management system automatically completes index calculation and display through the collected and recorded key node time marks and data information.
Through verification, the whole process of collecting image products from user demands and displaying index test values on a ground monitoring management system is 5-10 minutes on average, and the whole process of manually completing the whole process test needs more than ten people to participate and takes at least more than two days and even more than one week.
On one hand, the on-line processing of the self image is finished, and on the other hand, the multi-source data fusion is carried out on the data from other platforms and the self image, but the specific key work of which satellite or airship is used as a core node to finish the on-line processing of the data is not given in detail. In the automatic testing device provided by the application, through design and solidification to the test flow, regard airship node as automatic test system's core node, because this node is located the intermediate level of satellite and unmanned aerial vehicle, ground system, can realize the nimble communication with other domain platforms, it is big to gaze the observation in addition because the time is long, the processing degree of difficulty is big, it needs to consume more resources to transmit to other platform processes, and carry out data processing with satellite, unmanned aerial vehicle data transmission to the airship platform and compare with data processing with airship platform data transmission to platforms such as satellite can save more communication resources, therefore, automatic test system puts forward multisource data and fuses the processing at the ship, and accomplish the automatic test of system based on this thinking.
In the automatic testing device provided by the application, because a plurality of indexes are all related to time, all devices in the system have to have high time consistency, on one hand, the whole automatic testing system can be ensured to work according to a specified time sequence, on the other hand, the index testing value calculated based on time scale information can have stronger correctness and credibility, in the automatic testing device, all the systems adopt a high-precision time service receiver to uniformly time service and 1pps signal to time, the time sequence of the whole automatic testing device is high consistent, and other platforms reach ns level except that the time precision of software time setting of a ground system is in ms level.
In the automatic testing device provided by the application, the data management system of the satellite, the airship and the unmanned aerial vehicle mainly realizes the following functions: (1) the control and analysis of the load instruction in the platform mainly receives the ground task instruction, translates the instruction into a load control instruction, and issues and controls the load to execute corresponding actions; (2) the method comprises the steps of summarizing and downloading load states, wherein each load in a platform reports the working state of the load state per se through a CAN bus at the frequency of 1Hz, for example, the camera load states comprise normal/fault, camera shooting count, image slice number, camera exposure position and the like, the data management system receives all load state information of the platform and performs data formatting, the load state information is transmitted to a ground system through a platform communication unit, and the load state information is further transmitted to the ground monitoring management system through a LAN (local area network) for display; (3) receiving and controlling a load to send process data to a ground monitoring management system, wherein the load process data comprises time scale data, data size, event information, self-calculated precision information and the like used for index calculation, and the data management system controls the load to send the data to a ground communication unit through a communication unit according to a system time sequence and forwards the data to the ground monitoring management system for index calculation; (4) information such as time, position and gesture is broadcast and distributed, the data management system receives information such as time service sent by time system equipment, and time system information is broadcast to all equipment in a platform through a CAN bus of the platform, wherein the CAN bus adopts a standard frame of 2.0 version, and the baud rate is 500kbit/s. (5) And the OC control function is used for controlling the on-off state of the response load through the OC switch according to the test time sequence, so that the equipment is ensured not to generate interference with each other.
In the automatic testing device that this application provided, ground control management system provides the show platform for the execution and the control of test task, possesses functions such as test progress control, each platform load state real-time supervision and image product and test index real-time demonstration, includes: (1) all load states of each platform are monitored, load state information collected and issued by each platform data management system is received and analyzed, and all equipment states are respectively displayed by each platform for testers to master the overall condition of the system; (2) the process image products are displayed in real time, the airship platform multisource fusion data images and the image products generated after ground processing are transmitted to a ground monitoring management system through a communication unit, the real-time display is performed, and testers can quickly check the data processing conditions of all the platforms; (3) and calculating key indexes, wherein the ground monitoring management system receives the load process data of each platform, wherein the load process data comprises time scale data, data size, event information, self-calculated precision information and the like for index calculation, calculates index test values according to a convention algorithm, and displays the index test values in real time in an imaging manner on an interface.
It should be understood that although the present disclosure has been described in terms of various embodiments, not every embodiment is provided with a separate technical solution, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the technical solutions in the various embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
The foregoing is illustrative of the present application and is not to be construed as limiting the scope of the present application. Any equivalent alterations, modifications and combinations thereof will be effected by those skilled in the art without departing from the spirit and principles of this application, and it is intended to be within the scope of this application.
Claims (9)
1. An automatic testing device of a space-adjacent-space collaborative remote sensing system is used for automatically testing a tested system, wherein the tested system is a ground simulation verification system of the space-adjacent-space collaborative remote sensing system, and the tested system comprises: a satellite platform ground simulation verification subsystem, an airship platform ground simulation verification subsystem, an unmanned plane platform ground simulation verification subsystem and a ground platform simulation verification subsystem,
wherein, the automatic testing device includes:
the test and monitoring management subsystem comprises: satellite data management system, airship data management system, unmanned aerial vehicle data management system and ground monitoring management system;
the time system equipment is used for completing time alignment of all units in the tested system and the automatic testing device;
wherein the satellite data management system, the airship data management system and the unmanned aerial vehicle data management system are respectively connected with a satellite platform ground simulation verification subsystem, an airship platform ground simulation verification subsystem and an unmanned aerial vehicle platform ground simulation verification subsystem, the ground platform simulation verification subsystem is connected with a ground monitoring management system,
wherein the time system equipment transmits satellite time service information to a satellite platform ground simulation verification subsystem, an airship platform ground simulation verification subsystem, an unmanned plane platform ground simulation verification subsystem, a ground platform simulation verification subsystem and a ground monitoring management system,
the system comprises a satellite data management system, an airship data management system and an unmanned aerial vehicle data management system, wherein the satellite data management system, the airship data management system and the unmanned aerial vehicle data management system are used for respectively receiving load state information reported by each load in a satellite platform ground simulation verification subsystem, an airship platform ground simulation verification subsystem and an unmanned aerial vehicle platform ground simulation verification subsystem, and forwarding the reported load state information to a ground monitoring management system, and the ground monitoring management system carries out index calculation on the load state information to obtain an index test value and display the index test value in real time;
the time system equipment comprises an NTP time network server, a second pulse distributor and a navigation receiver,
the navigation receiver receives the navigation signal and transmits satellite time service information to a satellite data management system, an airship data management system, an unmanned aerial vehicle data management system and an NTP time network server through a network switch,
the satellite data management system, the airship data management system and the unmanned aerial vehicle data management system broadcast and distribute satellite time service information to the satellite platform ground simulation verification subsystem and all load units of the airship platform ground simulation verification subsystem and the unmanned aerial vehicle platform ground simulation verification subsystem,
the NTP time network server is connected with the ground platform simulation verification subsystem and the ground monitoring management system,
the navigation receiver is also connected to the satellite platform ground simulation verification subsystem, the airship platform ground simulation verification subsystem and the unmanned plane platform ground simulation verification subsystem through the radio frequency line and the second pulse distributor, and the time setting function is completed in a matched mode.
2. The automatic test equipment of claim 1, wherein the load status information includes a test time stamp and critical data.
3. The automatic test device of claim 1, wherein the test indicators of the automatic test device comprise data transmission rate, packet loss rate, mission planning time, co-observation positioning accuracy, multi-source data fusion time, data distribution time, mission maximum response time.
4. The automatic test equipment of claim 1, wherein the test and monitoring management subsystem further comprises an auxiliary test unit, the auxiliary test unit being a network switch.
5. The automatic test equipment of claim 1 wherein,
the satellite platform ground simulation verification subsystem comprises a satellite-borne camera controller, a task planning system, a data processing system and a communication unit;
the ground simulation verification subsystem of the airship platform comprises a boat-mounted camera controller, a data processing system and a communication unit;
the unmanned aerial vehicle ground simulation verification subsystem comprises an airborne camera controller, a data processing system and a communication unit;
the ground simulation verification subsystem comprises a task planning system, data exchange equipment, a user terminal and a communication unit.
6. The automatic test equipment of claim 1 wherein,
the satellite platform ground simulation verification subsystem, the airship platform ground simulation verification subsystem and the unmanned plane platform ground simulation verification subsystem are respectively connected to the satellite data management system, the airship data management system and the unmanned plane data management system through the CAN bus and the OC control bus.
7. The automatic test equipment of claim 1, wherein the ground platform emulation verification subsystem is connected to the ground monitoring management system through a LAN network.
8. A method of testing a space-over-the-sky collaborative remote sensing system using the automatic testing apparatus of any one of claims 1-7, the method comprising:
s1: completing the starting self-checking and time alignment of the automatic testing device;
s2: the tested system automatically executes the business process and simultaneously carries out the automatic test process of the automatic test device,
in the process of automatically executing the business flow by the tested system, all loads in the satellite platform ground simulation verification subsystem, the airship platform ground simulation verification subsystem and the unmanned aerial vehicle platform ground simulation verification subsystem report the load state information to the satellite data management system, the airship data management system and the unmanned aerial vehicle data management system respectively,
the satellite data management system, the airship data management system and the unmanned aerial vehicle data management system forward the load state information to the ground monitoring management system,
and the ground monitoring management system performs index calculation on the load state information, acquires an index test value and displays the index test value in real time.
9. A computer readable storage medium having stored thereon software instructions which, when executed, implement the method of claim 8.
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