CN113468054B - Automatic test system and method for satellite interface and function test - Google Patents
Automatic test system and method for satellite interface and function test Download PDFInfo
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- CN113468054B CN113468054B CN202110754349.4A CN202110754349A CN113468054B CN 113468054 B CN113468054 B CN 113468054B CN 202110754349 A CN202110754349 A CN 202110754349A CN 113468054 B CN113468054 B CN 113468054B
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- 238000004088 simulation Methods 0.000 claims abstract description 89
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- 239000011159 matrix material Substances 0.000 claims description 13
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- 238000002474 experimental method Methods 0.000 claims description 2
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- 238000010923 batch production Methods 0.000 description 2
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- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/36—Preventing errors by testing or debugging software
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Abstract
The invention relates to the technical field of satellite testing, and provides an automatic testing system and method for a satellite interface and a function. The system includes an automated input system; an automated data simulation acquisition system; and the ground automation testing device. The invention can collect test signals and simultaneously send simulation signals to the test satellites, and support various tests of a plurality of test satellites. The method can support the rapid automatic test of the desktop and interface test stages, can adapt to the mode requirements of different test stages of the functional test stages to generate an automatic sequence, and supports the satellite automatic test of each stage.
Description
Technical Field
The present invention relates generally to the field of satellite testing technology. In particular, the present invention relates to an automated test system and method for satellite interfaces and functions.
Background
At present, satellite automatic testing mainly focuses on automatic sending and interpretation of satellite instructions, and remote control of testing is achieved by means of network transmission. However, the automatic sending and interpretation of satellite instructions can be applied only when the whole satellite test result is stable and the single machine response is clear. The establishment of intelligent criteria for satellite instruction interpretation requires analysis of a large amount of data, and in the initial stage of novel satellite test and the interface test stage, a large amount of criteria need to be manually interpreted, but the current automatic test mode hardly meets the requirement of automatic sequence sending.
In the prior art, when an interface test is performed on a satellite single machine, various devices such as a thermal control equivalent device, an initiating explosive device equivalent device, a CAN bus detector, an oscilloscope and a universal meter are required to be connected to realize load simulation and signal acquisition. The method has the problems of complex operation and indefinite joints, and the test progress is slow and cannot be performed in parallel.
In addition, in the prior art, the automatic transmission of the satellite instruction is a test sequence designed for the test data stream, only the continuous transmission of the formal test instruction is realized, the automatic transmission cannot adapt to the change of the test mode in different test stages, and the automatic test still requires a large number of test sequences to be edited by a tester.
Disclosure of Invention
In order to at least partially solve the problems that in the prior art, the interface of a satellite single machine is complex, so that the test progress is slow and can not be carried out in parallel, and a large number of test sequences are compiled in the test process of the satellite, the invention provides an automatic test system for the satellite interface and the function, which comprises the following steps:
an automated input system comprising automated test software, wherein the automated input system is configured to perform the following actions:
receiving test information;
sending a test instruction to a test satellite according to the test information; and
the test information is sent to an automatic data simulation acquisition system;
an automated data simulation acquisition system comprising automated data simulation acquisition software, wherein the automated data simulation acquisition system is configured to perform the following actions:
generating a simulation instruction and/or an acquisition instruction according to the test information;
sending the simulation instruction and/or the acquisition instruction to a ground automation testing device;
and
Receiving and displaying a test signal; and
a ground automation test device, the ground automation test device being connected to a test satellite and the ground automation test device being configured to perform the following actions:
generating a simulation signal according to the simulation instruction and sending the simulation signal to a test satellite; and
and collecting test signals generated by the test satellite according to the collection instruction.
In the present invention, the term "automated" refers to a system that automatically performs subsequent operations after performing a single or a small number of operations.
In one embodiment of the invention, it is provided that the ground automation test device comprises:
a signal simulator configured to receive the simulation instructions, generate the simulation signals, and transmit the simulation signals to a test satellite;
a signal acquisition listener configured to receive the acquisition instructions, acquire and/or listen for the test signals and send the test signals to an automated data emulation acquisition system; and
the satellite ground test cable transfer box connects a test satellite with the signal simulator and connects the test satellite with the signal acquisition listener.
In one embodiment of the invention, provision is made for: the signal simulator generates one/a plurality of simulation signals; and/or
The signal acquisition listener acquires and/or listens for one/a plurality of test signals; and/or
The ground test cable transfer box is used for connecting the signal simulator and the signal acquisition monitor to one or more test satellites.
In one embodiment of the invention, provision is made for: the signal simulator generates the simulation signal by programming and transmitting different types of high and low levels and time sequences; and/or
The signal simulator adjusts the impedance, the output voltage or the current of the single satellite unit of the simulated test satellite generated by the simulation signal.
In one embodiment of the invention, provision is made for: the signal acquisition listener comprises a plurality of data acquisition boards which acquire one/more test signals from one/more test satellites based on different bandwidths and rates.
In one embodiment of the invention, provision is made for: the ground test cable transfer box is uniformly provided with a plurality of test signals.
In one embodiment of the invention, provision is made for: the automatic data simulation acquisition software generates a first display interface according to the simulation instruction and/or the acquisition instruction, and the first display interface displays the signal curves of the simulation signals and/or the test signals.
In one embodiment of the invention, provision is made for: in the satellite interface testing stage, inputting an interface testing type through the automatic testing software to perform automatic testing; and
in the satellite function test stage, a test matrix is established for the function test items through the automatic test software, and a test sequence is automatically called and compiled by selecting a mode option in the test matrix so as to perform automatic test.
In one embodiment of the invention, it is provided that the satellite interface and function automation test system further comprises a first database server, wherein the data, protocols and instructions of the automation test software and the automation data simulation acquisition software are stored together and correlated in the first database server.
The invention also provides a method for testing the satellite interface and the function by using the automatic testing system for the satellite interface and the function, which comprises the following steps:
inputting test information through the automatic test software in a satellite interface test stage\functional test stage;
the automatic test software sends a test instruction to a test satellite according to the test information;
the automatic test software sends the test information to an automatic data simulation acquisition system;
generating simulation instructions and/or acquisition instructions by the automated data simulation acquisition software according to the test information;
the simulation instruction and/or the acquisition instruction are/is sent to a ground automation testing device by the automation data simulation acquisition software;
receiving and displaying test signals by the automated data simulation acquisition software;
generating a simulation signal according to the simulation instruction by a ground automation testing device and sending the simulation signal to a testing satellite; and
and acquiring test signals generated by the test satellite by the ground automation test device according to the acquisition instruction.
The invention has at least the following beneficial effects: the simulation signal can be sent to the test satellites while the test signals can be collected, and various tests of a plurality of test satellites are supported. The method can support the rapid automatic test of the desktop and interface test stages, can adapt to the mode requirements of different test stages of the functional test stages to generate an automatic sequence, and supports the satellite automatic test of each stage.
Drawings
To further clarify the advantages and features present in various embodiments of the present invention, a more particular description of various embodiments of the present invention will be rendered by reference to the appended drawings. It is appreciated that these drawings depict only typical embodiments of the invention and are therefore not to be considered limiting of its scope. In the drawings, for clarity, the same or corresponding parts will be designated by the same or similar reference numerals.
FIG. 1 illustrates a schematic diagram of an automated test system for satellite interfaces and functions in one embodiment of the invention.
FIG. 2 is a schematic diagram of a ground automation test device interfacing with a test satellite in accordance with one embodiment of the present invention.
FIG. 3 illustrates a flow diagram of an automated test for interface testing in one embodiment of the invention.
FIG. 4 illustrates a flow diagram of an automated test for functional testing in one embodiment of the invention.
Detailed Description
It should be noted that the components in the figures may be shown exaggerated for illustrative purposes and are not necessarily to scale. In the drawings, identical or functionally identical components are provided with the same reference numerals.
In the present invention, unless specifically indicated otherwise, "disposed on …", "disposed over …" and "disposed over …" do not preclude the presence of an intermediate therebetween. Furthermore, "disposed on or above" … merely indicates the relative positional relationship between the two components, but may also be converted to "disposed under or below" …, and vice versa, under certain circumstances, such as after reversing the product direction.
In the present invention, the embodiments are merely intended to illustrate the scheme of the present invention, and should not be construed as limiting.
In the present invention, the adjectives "a" and "an" do not exclude a scenario of a plurality of elements, unless specifically indicated.
It should also be noted herein that in embodiments of the present invention, only a portion of the components or assemblies may be shown for clarity and simplicity, but those of ordinary skill in the art will appreciate that the components or assemblies may be added as needed for a particular scenario under the teachings of the present invention. In addition, features of different embodiments of the invention may be combined with each other, unless otherwise specified. For example, a feature of the second embodiment may be substituted for a corresponding feature of the first embodiment, or may have the same or similar function, and the resulting embodiment would fall within the disclosure or scope of the disclosure.
It should also be noted herein that, within the scope of the present invention, the terms "identical", "equal" and the like do not mean that the two values are absolutely equal, but rather allow for some reasonable error, that is, the terms also encompass "substantially identical", "substantially equal". By analogy, in the present invention, the term "perpendicular", "parallel" and the like in the table direction also covers the meaning of "substantially perpendicular", "substantially parallel".
The numbers of the steps of the respective methods of the present invention are not limited to the order of execution of the steps of the methods. The method steps may be performed in a different order unless otherwise indicated.
The invention is further elucidated below in connection with the embodiments with reference to the drawings.
In one embodiment of the invention, an automatic test system for satellite interface and function test is provided, which can automatically establish and carry out the test flow from interface test to function test of the satellite in each stage from desktop test to transmitting field test of the batch production satellite. The automatic test system for satellite interface and function test comprises a ground automatic test device, an automatic data simulation acquisition system and an automatic input system. The ground automation testing device comprises a signal simulator, a signal acquisition monitor and a ground testing cable switching box; the automated test system comprises automated test software; the automated data simulation acquisition system comprises automated data simulation acquisition software.
As shown in fig. 1, the automated test software in the automated test system and the automated data simulation acquisition software in the automated data simulation acquisition system send information through a routing network based on the same database server, and the ground test cable transfer box is connected with the signal simulator and the signal acquisition monitor and can be connected with a test satellite.
The automated input system is configured to perform the following actions:
inputting test information through the automatic test software;
the automatic test software sends a test instruction to a test satellite according to the test information; and
and the automated test software sends the test information to an automated data simulation acquisition system.
The automated data simulation acquisition system is configured to perform the following actions:
generating simulation instructions and/or acquisition instructions by the automated data simulation acquisition software according to the test information;
the simulation instruction and/or the acquisition instruction are/is sent to a ground automation testing device by the automation data simulation acquisition software; and
test signals are received and displayed by the automated data simulation acquisition software.
A ground automation test device is connected to the test satellite and is configured to perform the following actions:
generating a simulation signal according to the simulation instruction by a ground automation testing device and sending the simulation signal to a testing satellite; and
and acquiring test signals generated by the test satellite by the ground automation test device according to the acquisition instruction.
The automatic test input system can run automatic test software, can classify test types at different stages of testing, and define different test nodes by combining an interface test device.
In the desktop test stage, the automatic test input system automatically invokes a data protocol, signal requirements and signal nodes, an operator only needs to select a test type, a test instruction can be triggered on an automatic software interface and sent to an automatic data acquisition or simulation system, and then the automatic data acquisition or simulation system executes signal simulation sending or acquisition operation to realize one-touch test.
In the functional test stage, a test matrix is established for the functional test items, and mode options in the test matrix are selected according to different requirements of a desktop, an environment experiment, a transition test and a transmitting field test stage, so that automatic calling and compiling of a test sequence can be completed without repeatedly writing test rules.
The automatic data acquisition or simulation software can be operated in the automatic data simulation acquisition system, test signals can be sampled, processed and displayed in the automatic data simulation acquisition system, the test signals are transmitted to the database server through the routing network, simulation instructions can be generated according to protocol requirements in the database server, and simulation signal instructions are transmitted to corresponding test signal simulation board cards in the signal simulator
The test signal simulator can receive the index requirements of the analog signals, program and send different types of high and low levels and time sequences, simulate single-machine communication signals, meet the requirements of communication protocols, support and send the signals to different satellites, and can also be used as an on-satellite equivalent load device to realize the function of signal simulation by adjusting the impedance, the output voltage or the current.
The test signal acquisition monitor adopts a data acquisition board card meeting different bandwidths and rates to poll and acquire different channels, and displays curves in an automatic data simulation acquisition system to obtain signal performance indexes so as to support the simultaneous acquisition of signals of different channels of different satellites.
The ground test cable switching box is used for connecting the acquisition signal wire or the interception wire of the satellite cable to the wiring terminal corresponding to the switching box and supporting the switching of different signals of a plurality of satellites. The system can adapt to the change of the quantity of batch satellites and signal channels, and different types of signals can be uniformly configured in a circuit box and then output to automatic data acquisition or simulation software.
As shown in fig. 2, the ground automation testing device can be connected with a plurality of batch production satellites through a satellite ground testing cable switching box, and can realize all test signal management and realize signal access, disconnection and interception under signal connection through the satellite ground testing cable switching box.
The test signal simulator can generate simulation signals in the test process, for example, can simulate single machine sending signals, artificially set or import historical single machine data, and output signals can change the number of single machines and ID numbers according to field definition. For example, in order to check the stability of satellite software communication, the signal of the flywheel RS422 interface can be simulated, the correct response and the error response can be set, the function of the satellite software can be checked, and the abnormal command signal of the satellite can be simulated in the process of butting the flywheel and the satellite, so that the fault tolerance of a single machine can be checked.
The signal acquisition listener samples the detection signal, and can output switching signals, analog quantity and pulse signals in real time through the graphical interface, and can intercept the bus on the satellite. For example, after the flywheel is connected, surge signals of starting voltage are directly collected and displayed on an upper computer, and the maximum surge and surge duration time are analyzed graphically; after the power-on, the RS422 signal is intercepted from the signal acquisition board and displayed on an automatic data acquisition and simulation software interface, and the process is also suitable for testing various single-machine on-satellite interfaces, and one-key acquisition testing is carried out, so that the testing is more convenient and visual, the manual operation is reduced, and the testing speed is accelerated.
The data, protocol and instruction of the automatic test software and the automatic data acquisition and simulation software are stored in a database together and are related to each other, and test management and operation selection are performed through the ground automatic test software.
As shown in fig. 3, the interface test type may be input by the automation test software for automation testing during the satellite interface test phase. For example, the operation object can be selected as a flywheel, a power supply test is selected, the automatic test software automatically sends a flywheel starting instruction to the ground test uplink channel, at the moment, the set values of the surge, the working current and the working voltage stored in the database are sent to the automatic data acquisition and simulation software, the board card acquisition work is automatically triggered, and the data curve is displayed on the automatic data acquisition and simulation software. Based on the system, the one-key test of the interface is realized through one-key operation.
As shown in fig. 4, during the satellite functional test phase, a test matrix may be established for functional test items by the automated test software, and a test sequence may be automatically invoked and compiled for automated testing by selecting a mode option within the test matrix. For example, in the state inspection test after satellite installation, the ground automation testing device interface reserves an on-satellite bus and a ground measurement uplink and downlink communication interface, and the monitoring and problem inquiry of the testing process are realized through interception, transmission and reception. Based on the interface and functional test data acquired in the desktop test stage, a test matrix of each test mode is written, and the test matrix can be used for batch satellite simultaneous or pipelining test. The operator selects a single satellite or a plurality of satellites, then selects different test conditions and test modes, indexes a corresponding test sequence matrix at the moment, and then calls a test sequence to execute in sequence, for example: selecting a gesture control semi-physical simulation working condition and a satellite and rocket separation gesture test mode, and automatically calling test sequences such as a measurement and control transit test, a GNSS test and the like by a test matrix; if the state checking working condition is selected, the test matrix automatically calls the mode sequences of power supply test, flywheel state checking, star sensitivity checking and the like in the transition quick test mode. The test sequence is compiled to generate test satellites, test objects, test instructions, execution criteria and sending time information, and sequentially sends the test satellite, the test objects, the test instructions, the execution criteria and the sending time information to automatic data acquisition or simulation software, interface configuration is started according to the test objects to generate a monitoring interface, finally the acquisition and monitoring instructions are sent to corresponding test boards, a satellite bus and a ground test serial port are monitored, waveforms and data can be checked, and the data is sent back to the automatic test software interface for display.
While various embodiments of the present invention have been described above, it should be understood that they have been presented by way of example only, and not limitation. It will be apparent to those skilled in the relevant art that various combinations, modifications, and variations can be made therein without departing from the spirit and scope of the invention. Thus, the breadth and scope of the present invention as disclosed herein should not be limited by any of the above-described exemplary embodiments, but should be defined only in accordance with the following claims and their equivalents.
Claims (9)
1. An automated testing system for satellite interfaces and functions, comprising:
an automated input system comprising automated test software, wherein the automated input system is configured to perform the following actions:
receiving test information;
sending a test instruction to a test satellite according to the test information; and
the test information is sent to an automatic data simulation acquisition system;
an automated data simulation acquisition system comprising automated data simulation acquisition software, wherein the automated data simulation acquisition system is configured to perform the following actions:
generating a simulation instruction and/or an acquisition instruction according to the test information;
sending the simulation instruction and/or the acquisition instruction to a ground automation testing device; and
receiving and displaying a test signal; and
a ground automation test device, the ground automation test device being connected to a test satellite and the ground automation test device being configured to perform the following actions:
generating a simulation signal according to the simulation instruction and sending the simulation signal to a test satellite; and
collecting test signals generated by a test satellite according to the collection instruction;
the automatic input system automatically calls a data protocol, signal requirements and signal nodes in a desktop test stage, triggers a test instruction on an automatic software interface, sends the test instruction to the automatic data simulation acquisition system, and then the automatic data simulation acquisition system executes signal simulation sending or acquisition operation to realize one-key test;
in the functional test stage, a test matrix is established for the functional test items, mode options in the test matrix are selected according to different requirements of a desktop, an environment experiment, a transition test and a transmitting field test stage, and automatic calling and compiling of a test sequence are performed for automatic testing.
2. The automated satellite interface and function testing system of claim 1, wherein the ground automated testing apparatus comprises:
a signal simulator configured to receive the simulation instructions, generate the simulation signals, and transmit the simulation signals to a test satellite;
a signal acquisition listener configured to receive the acquisition instructions, acquire and/or listen for the test signals and send the test signals to an automated data emulation acquisition system; and
the satellite ground test cable transfer box is connected with the test satellite and the signal simulator and is connected with the test satellite and the signal acquisition monitor.
3. The automated testing system of satellite interfaces and functions of claim 2, wherein:
the signal simulator generates one/a plurality of simulation signals; and/or
The signal acquisition listener acquires and/or listens for one/a plurality of test signals; and/or
The ground test cable transfer box is used for connecting the signal simulator and the signal acquisition monitor to one or more test satellites.
4. The automated testing system of satellite interfaces and functions of claim 2, wherein: the signal simulator generates the simulation signal by programming and transmitting different types of high and low levels and time sequences; and/or
The signal simulator generates the impedance, the output voltage or the current of the single satellite unit of the simulated test satellite by adjusting the simulation signal.
5. An automated testing system for satellite interfaces and functions according to claim 3, wherein: the signal acquisition listener comprises a plurality of data acquisition boards which acquire one/more test signals from one/more test satellites based on different bandwidths and rates.
6. An automated testing system for satellite interfaces and functions according to claim 3, wherein: the ground test cable transfer box is uniformly provided with a plurality of test signals.
7. The automated testing system of satellite interfaces and functions of claim 1, wherein: the automatic data simulation acquisition software generates a first display interface according to the simulation instruction and/or the acquisition instruction, and the first display interface displays the signal curves of the simulation signals and/or the test signals.
8. The automated testing system of satellite interfaces and functions of claim 1, further comprising a first database server, wherein the data, protocols, and instructions of the automated testing software and the automated data emulation acquisition software are stored together and interrelated in the first database server.
9. A method of performing satellite interface and function testing using the automated satellite interface and function testing system of any one of claims 1-8, comprising the steps of:
inputting test information through the automatic test software in a satellite interface test stage\functional test stage;
the automatic test software sends a test instruction to a test satellite according to the test information;
the automatic test software sends the test information to an automatic data simulation acquisition system;
generating simulation instructions and/or acquisition instructions by the automated data simulation acquisition software according to the test information;
the simulation instruction and/or the acquisition instruction are/is sent to a ground automation testing device by the automation data simulation acquisition software;
receiving and displaying test signals by the automated data simulation acquisition software;
generating a simulation signal according to the simulation instruction by a ground automation testing device and sending the simulation signal to a testing satellite; and
and acquiring test signals generated by the test satellite by the ground automation test device according to the acquisition instruction.
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| CN107807541A (en) * | 2017-11-06 | 2018-03-16 | 航天东方红卫星有限公司 | A kind of integrated satellite dynamics emulation test system of modularization and method |
| CN112946404A (en) * | 2018-08-20 | 2021-06-11 | 上海微小卫星工程中心 | Comprehensive test method for mass production satellites |
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| CN112532299A (en) * | 2020-11-17 | 2021-03-19 | 上海利正卫星应用技术有限公司 | Satellite test automatic execution system based on module splicing |
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