CN115407226A - Power supply test system and method - Google Patents
Power supply test system and method Download PDFInfo
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- CN115407226A CN115407226A CN202210907863.1A CN202210907863A CN115407226A CN 115407226 A CN115407226 A CN 115407226A CN 202210907863 A CN202210907863 A CN 202210907863A CN 115407226 A CN115407226 A CN 115407226A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/30—Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier
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Abstract
The application relates to the technical field of test verification, and discloses a power supply test system and a power supply test method, which comprise the following steps: the system comprises a real-time simulation system, a power supply and distribution system, a power supply system test bed and an electricity utilization system test bed; the power supply and distribution system comprises a first power amplifier and a second power amplifier; the real-time simulation system runs a power cross-linking simulation model, collects the power quality of a power system test bed and the load of an electric system test bed; the power cross-linking simulation model acquires a first control factor for adjusting the second power amplifier according to the power supply quality, and the adjusted second power amplifier provides a voltage source with the same quality as the power supply quality of the power supply system test bed for the power consumption system test bed; the power cross-linking simulation model obtains a second control factor for adjusting the first power amplifier according to the load, the adjusted load is the same as the load of the power utilization system test bed, the test range and the test depth of the power supply test are enlarged, and the purpose that the test effect is closer to that of a real airplane is achieved.
Description
Technical Field
The invention relates to the technical field of test verification, in particular to a power supply test system and a power supply test method
Background
In order to meet the development requirements of modern aircraft power systems and meet the requirements of new-generation aircraft power systems on electric energy distribution, system control, system safety protection, energy efficiency management and the like, a system design and verification method based on models and simulation needs to be adopted in the power systems, and power hardware-in-loop simulation tests with wider range, higher real-time performance and higher simulation degree with various power systems are also needed to promote accelerated iteration of power system design and more sufficient verification of power system integration laboratories.
In the aircraft power supply system test bench, the equipment of electrical power system self adopts true, and the consumer of other systems is analog load, and there is the gap with true load characteristic, leads to that the experimental verification degree of supplying and distributing real aircraft of electrical power system is limited, and latent problem need leave over the aircraft final assembly stage and can expose even the stage of trying to fly. Therefore, the existing aircraft power supply testing method has the problem that the effect of the test, the test breadth and the test depth are all limited.
Disclosure of Invention
The invention aims to solve the problems and provides a power supply testing system and a power supply testing method, which expand the testing range and the testing depth of power supply testing and achieve the aim that the testing effect is closer to that of a real airplane.
In order to solve the above problem, an embodiment of the present application provides a power supply testing system, including: the system comprises a real-time simulation system, a power supply and distribution system, a power supply system test bed, an electricity utilization system test bed and an upper computer system; wherein, power supply and distribution system includes: a first power amplifier and a second power amplifier; the power supply system test bed is a power supply end of the first power amplifier, and the power utilization system test bed is a power utilization end of the second power amplifier; the real-time simulation system is connected with the first power amplifier and the second power amplifier through optical fibers; the real-time simulation system is used for operating the power cross-linking simulation model, collecting the power quality of the power system test bed and the load of the power system test bed; the power cross-linking simulation model is used for acquiring a first control factor for adjusting the power quality of the second power amplifier according to the power quality of the power system test bed, and the adjusted second power amplifier provides a voltage source which is consistent with the power quality of the power system test bed for the power system test bed; the power cross-linking simulation model is further used for obtaining a second control factor used for adjusting the load of the first power amplifier according to the load of the power utilization system test bed, and the adjusted load of the first power amplifier is the same as the load of the power utilization system test bed. The upper computer system is connected with the real-time simulation system through an Ethernet switch; the upper computer system is used for managing the power supply test system and developing a power cross-linking simulation model.
In order to solve the above problem, an embodiment of the present application provides a power supply testing method, which is applied to the power supply testing system, and the method includes: collecting the power quality of a power supply system test bed and the load of an electricity utilization system test bed; obtaining a first control factor through the power supply quality of the power cross-linking simulation model and the power supply system test bed, and adjusting the power supply quality of the second power amplifier according to the first control factor so that the second power amplifier provides a voltage source with the same quality as the power supply quality of the power supply system test bed for the power consumption system test bed; and obtaining a second control factor through the power cross-linking simulation model and the load of the power consumption system test bed, and adjusting the load of the first power amplifier according to the second control factor, wherein the adjusted load of the first power amplifier is the same as the load of the power consumption system test bed.
According to the power supply testing system and the power supply testing method, the real-time simulation system is connected with the first power amplifier and the second power amplifier through the optical fibers, a copper cable direct connection mode is replaced, the problem that power supply quality is different from that of a real airplane due to the fact that a copper cable is directly connected between remote test beds is solved, the power supply quality of the power supply system test bed and the load of the power utilization system test bed, which are obtained through the real-time simulation system, are processed through the running power cross-linking simulation model, the second control factor and the first control factor are obtained for adjusting the first power amplifier and the second power amplifier, the adjusted second power amplifier provides a voltage source which is consistent with the power supply quality of the power supply system test bed for the power utilization system test bed, the load of the adjusted first power amplifier is the same as that of the power utilization system test bed, the problem that power supply characteristics are different due to the fact that the power supply characteristics are long distance between the power supply system test bed and the power utilization system test bed are connected is avoided, the problem that the physical space distances of the test beds are far is solved, the power supply system design and the testing level is improved, and the testing effect is closer to that of the real airplane is achieved.
In addition, the simulation system comprises a real-time simulator and an FPGA simulator; the real-time simulator is connected with the FPGA simulator through a PCIE bus, and the FPGA simulator is connected with the first power amplifier and the second power amplifier through optical fibers; the FPGA simulator is used for data transmission with the first power amplifier and the second power amplifier, and high-frequency data transmission of the real-time simulation system with the first power amplifier and the second power amplifier is achieved.
In addition, the upper computer system includes: the test management host and the model development management host; the test management host is used for collecting and displaying the power supply quality of the power supply system test bed and the load of the power utilization system test bed; the model development management host is used for adjusting parameters of the cross-linked power simulation model, and can adjust model parameters in the power supply testing process according to actual requirements.
In addition, the power supply and distribution system also comprises a distribution board box; the distribution board box is connected with the second power amplifier and used for independently supplying power to each electric device in the electric system test bed, so that independent power supply of each electric device is realized.
In addition, the number of the power utilization system test beds is N, and the number of the second power amplifiers is M; wherein N and M are integers of 1 or more, and M = N.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a schematic structural diagram of a power supply test system according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a power testing system according to another embodiment of the present application;
fig. 3 is a flowchart of a power testing method according to another embodiment of the present application.
Detailed Description
As can be seen from the background art, in the conventional aircraft power supply test, there is a problem that the effect of the test, the test breadth and the test depth are all limited.
The main reason for the above problems is found through analysis that the electric equipment of other electric system test beds is analog load, and has difference with the real load special effect, so that the process of the power supply system test bed for supplying and distributing power to the real airplane is different from the actual situation, for example, if the power supply system test bed of the airplane is connected with the power supply and distribution circuit between the other electric system test beds, the comprehensive power supply system power supply and distribution test of the whole airplane can be realized, and the effect and the depth of the power supply and distribution test of the airplane power supply system are greatly improved.
However, the power supply system test bed and each power consumption system test bed are all established at independent positions, and a certain physical distance exists between the system test beds, if the system test beds are connected in a conventional mode such as a copper cable, the length of the cable between the test beds is far larger than that of a real airplane cable, so that the power supply characteristics of a power supply are different, and the airplane power supply and distribution experiment with a real verification degree is difficult to achieve.
In order to solve the above problem, an embodiment of the present application provides a power supply testing system, including: the system comprises a real-time simulation system, a power supply and distribution system, a power supply system test bed, an electric system test bed and an upper computer system; wherein, power supply and distribution system includes: a first power amplifier and a second power amplifier; the power supply system test bed is a power supply end of the first power amplifier, and the power utilization system test bed is a power utilization end of the second power amplifier; the real-time simulation system is connected with the first power amplifier and the second power amplifier through optical fibers; the real-time simulation system is used for operating the power cross-linking simulation model, collecting the power quality of the power system test bed and the load of the power system test bed; the power cross-linking simulation model is used for acquiring a first control factor for adjusting the power quality of the second power amplifier according to the power quality of the power system test bed, and the adjusted second power amplifier provides a voltage source with the same quality as the power quality of the power system test bed for the power system test bed; the power cross-linking simulation model is further used for obtaining a second control factor used for adjusting the load of the first power amplifier according to the load of the power consumption system test bed, and the adjusted load of the first power amplifier is the same as the load of the power consumption system test bed. The upper computer system is connected with the real-time simulation system through an Ethernet switch; the upper computer system is used for managing the power supply test system and developing a power cross-linking simulation model.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following describes each embodiment of the present application in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in various embodiments of the present application in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
An embodiment of the present application relates to a power supply testing system, as shown in fig. 1, specifically including: the power supply and distribution system 102 comprises a first power amplifier 1021 and a second power amplifier 1022, the power supply system test bed 103 is a power supply end of the first power amplifier 1021, and the power consumption system test bed 104 is a power consumption end of the second power amplifier 1022.
Specifically, the power system test stand 103 includes therein a plurality of power system devices for supplying power to the first power amplifier 1021; the power consumption system test stand 104 includes a plurality of power consumption devices.
Specifically, the power supply and distribution system 102 includes a first power amplifier 1021 and at least one second power amplifier 1022, the number of the second power amplifiers 1022 is determined by the number of the power consumption system test benches participating in the power supply test, each second power amplifier 1021 provides an analog voltage source for one power consumption system test bench; the power supply and distribution system 102 further includes: and each second power amplifier 1022 is provided with a distribution board box directly connected through a cable, and the distribution board boxes are used for independently supplying power to each electric device in the electric system test bed 104.
In the embodiment of the application, through the distribution board box which is customized and developed, the electric equipment of each electric system test bed can be independently controlled to be connected and disconnected, and the test can be conveniently and rapidly adjusted according to the test requirements.
Specifically. The real-time simulation system 101 is connected with a first power amplifier 1021 and a second power amplifier 1022 through optical fibers; the real-time simulation system 101 is used for running a power cross-linking simulation model, and acquiring the power quality of a power supply system test bed 103 and the load of an electric system test bed 104; the power cross-linking simulation model is used for acquiring a first control factor for adjusting the power quality of the second power amplifier 1022 according to the power quality of the power system test bed 103, and the adjusted second power amplifier 1022 provides a voltage source with the same quality as the power quality of the power system test bed 103 for the power system test bed 104; the power cross-linking simulation model is further configured to obtain a second control factor for adjusting a load of the first power amplifier 1021 according to the load of the power consumption system test bed 104, where the adjusted load of the first power amplifier 1021 is the same as the load of the power consumption system test bed 104. The load is power consumption of each electric device in the electric system test stand.
In one example, the real-time simulation system 101 includes a real-time simulator and an FPGA (Field Programmable Gate Array) simulator, wherein the real-time simulator is connected to the FPGA simulator through a PCIE (Peripheral Component Interconnect Express) bus for transmitting data in the real-time simulation process; the FPGA simulator is connected with the first power amplifier and the second power amplifier in a mode of directly connecting optical fibers, and is used for collecting the power quality of a power supply end (a power supply system test stand) of the first power amplifier and collecting the load of a power utilization end (a power utilization system test stand) of the second power amplifier.
Specifically, the upper computer system 105 performs data interaction with the real-time simulation system 101 through an ethernet switch, and the upper computer system 105 is used for managing a power supply test system and developing a power cross-linking simulation model. The upper computer system consists of a test management host and a model development management host, wherein the test management host is used for collecting and displaying the power supply quality of the power supply system test bed 103 and the load of the power utilization system test bed 104; the model development management host is used for adjusting the parameters of the cross-linking power simulation model.
In the embodiment of the application, the test management host can also be used for designing and managing test cases for testing the power supply; the model development management host also has a model development management function, and can realize the functions of compiling, downloading, running, stopping/exiting, simulation process management, online parameter adjustment, signal monitoring and the like of the power cross-linking simulation model.
In the embodiment of the application, the power interconnection of the power supply system test bed and each power consumption system test bed is realized through the real-time detection and control of the first power amplifier, the second power amplifier and the power cross-linking simulation model, and the problem that each test bed is far in physical space is solved; the first power amplifier and the second power amplifier are connected with optical fiber signals of the FPGA real-time simulator, a copper cable direct connection mode is replaced, and the problem that power supply quality is different from that of a real airplane due to the fact that copper cables are directly connected between remote test beds is solved; the FPGA real-time simulator and the power cross-linking simulation model realize the acquisition and processing of signals with extremely low delay, and the simulation step length can be controlled within dozens of microseconds, so that the FPGA simulator can perform data acquisition and output with higher frequency with the first power amplifier and the second power amplifier.
The power supply test system provided by the embodiment of the application does not limit the number of the power utilization system test beds, and can add or reduce the corresponding power utilization system test beds according to actual requirements; the simulation models of a power supply system and various power utilization systems can be added, and corresponding analog/digital signal communication connection consistent with that of a real airplane is built to replace the functions of a power supply system test bed and a power utilization system test bed, so that the multi-system combined power/control hardware in-loop test with wider test range, more similar test effect to that of the real airplane and deeper verification degree is realized.
In order to make the power testing system more clear, the power testing system is specifically described with reference to fig. 2:
in one example, a power supply test system includes: the test management system comprises a test management host, a model development management host, an Ethernet switch, a real-time simulator, an FPGA simulator, a first power unit, N second power units, N distribution board boxes, N power utilization system test beds and 1 power system test bed, wherein the power system test bed consists of M power system devices, each power system test bed consists of K power utilization devices, and N, M and K are integers more than or equal to 1. Connecting the real-time simulation machine with a test management host and a model development management host through an Ethernet switch; the real-time simulator and the FPGA simulator are connected through a high-speed serial bus; connecting the FPGA simulator with the first power amplifier and each second power amplifier through optical fibers; the first power amplifier is connected with each power system device through a copper cable; connecting the second power amplifier with the distribution board box through a copper cable; and all the electric equipment in the electric system test bed are connected through copper cables.
The embodiment of the present application further provides a power supply testing method, which is applied to the power supply testing system, and the method includes: collecting the power quality of a power supply system test bed and the load of an electricity utilization system test bed; obtaining a first control factor through the power supply quality of the power cross-linking simulation model and the power supply system test bed, adjusting the power supply quality of the second power amplifier according to the first control factor, and providing a voltage source with the same quality as the power supply quality of the power supply system test bed for the power consumption system test bed by the second power amplifier; and obtaining a second control factor through the power cross-linking simulation model and the load of the power utilization system test bed, and adjusting the load of the first power amplifier according to the second control factor, wherein the adjusted load of the first power amplifier is the same as the load of the power utilization system test bed.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following describes each embodiment of the present application in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in various embodiments of the present application in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
The implementation details of the power testing method in this embodiment are specifically described below, and the following description is only for facilitating understanding of the implementation details of this solution, and is not necessary for implementing this solution. The specific process is shown in fig. 3, and may include the following steps:
step 301: and collecting the power quality of the power supply system test bed and the load of the power utilization system test bed.
In one example, the power quality of the power supply terminal (power system test bench) of the first power amplifier and the load of the power utilization terminal (power system test bench) of the second power amplifier are collected.
Step 302: obtaining a first control factor through the power supply quality of the power cross-linking simulation model and the power supply system test bed, adjusting the power supply quality of the second power amplifier according to the first control factor, and providing a voltage source with the same quality as the power supply quality of the power supply system test bed for the power consumption system test bed by the second power amplifier;
in one example, the real-time simulation system inputs the power supply quality of the power supply system test bed into the running power cross-linking simulation model to obtain a first control factor, adjusts the power supply quality of the second power amplifier in a harmonic injection mode according to the first control factor in real time, and the second power amplifier with the adjusted power supply quality can provide a voltage source which is consistent with the power supply quality of the power supply system test bed for the power consumption system test bed.
Step 303: and obtaining a second control factor through the power cross-linking simulation model and the load of the power utilization system test bed, and adjusting the load of the first power amplifier according to the second control factor, wherein the adjusted load of the first power amplifier is the same as the load of the power utilization system test bed.
It should be noted that the order of the operations in step 302 and step 303 is not fixed, and the operations may be executed simultaneously, or the operations in step 303 may be executed first and then the operations in step 302 may be executed.
In one example, the real-time simulation system inputs the load of the power utilization system test bed into the running power cross-linking simulation model to obtain a second control factor, and adjusts the load of the first power amplifier according to the second control factor, wherein the adjusted load of the first power amplifier is the same as the load of the power utilization system test bed.
According to the power supply testing method provided by the embodiment of the application, the first power amplifier and the second power amplifier are monitored and controlled through real-time operation of the power cross-linking simulation model, the voltage source with the same power supply quality as that of the power supply system test bed is provided for each power supply system test bed, the integrated simulation load with the same real load as that of each power supply system test bed is provided for each power supply system test bed, the difference of power supply characteristics caused by long-distance connection between the power supply system test bed and the power supply system test bed is avoided, the problem that the physical space distance of each test bed is long is solved, the design and test verification level of the power supply system is improved, the power supply and distribution integrated test verification close to a real airplane is realized, the problem that the conventional airplane assembly manufacturing stage can be exposed is advanced to the design stage and the test chamber test stage, meanwhile, the related faults of the power supply system during the trial flight period are effectively reduced, the trial flight efficiency is improved, and the progress of model number evidence obtaining is guaranteed.
It should be understood that this embodiment is a method embodiment corresponding to the power testing system embodiment, and the embodiment can be implemented in cooperation with the above embodiments. The related technical details mentioned in the above embodiments are still valid in this embodiment, and are not described herein again in order to reduce repetition. Accordingly, the related-art details mentioned in the present embodiment can also be applied to the above-described embodiments.
The steps of the above methods are divided for clarity, and the implementation may be combined into one step or split some steps, and the steps are divided into multiple steps, so long as the same logical relationship is included, which are all within the protection scope of the present patent; it is within the scope of this patent to add insignificant modifications or introduce insignificant designs to the algorithms or processes, but not to change the core designs of the algorithms and processes.
It should be noted that, all the modules referred to in the foregoing embodiments of the present application are logic modules, and in practical applications, one logic unit may be one physical unit, may also be a part of one physical unit, and may also be implemented by a combination of multiple physical units. In addition, in order to highlight the innovative part of the present application, a unit that is not so closely related to solving the technical problem proposed by the present application is not introduced in the present embodiment, but it does not indicate that no other unit exists in the present embodiment.
Those skilled in the art can understand that all or part of the steps in the method according to the above embodiments may be implemented by a program to instruct related hardware, where the program is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-described embodiments are provided for the realization and use of the present application by a person skilled in the art, who may make modifications or changes to the above-described embodiments without departing from the inventive idea of the present application, and therefore the scope of protection of the present application is not limited by the above-described embodiments, but should be accorded the widest scope of the inventive features set forth in the claims.
Claims (7)
1. A power supply test system, comprising: the system comprises a real-time simulation system, a power supply and distribution system, a power supply system test bed, an electricity utilization system test bed and an upper computer system; wherein the power supply and distribution system comprises: a first power amplifier and a second power amplifier; the power supply system test bed is a power supply end of the first power amplifier, and the power utilization system test bed is a power utilization end of the second power amplifier;
the real-time simulation system is connected with the first power amplifier and the second power amplifier through optical fibers; the real-time simulation system is used for operating a power cross-linking simulation model, and acquiring the power supply quality of the power supply system test bed and the load of the power utilization system test bed; the power cross-linking simulation model is used for acquiring a first control factor for adjusting the power quality of the second power amplifier according to the power quality of the power system test bed, and the adjusted second power amplifier provides a voltage source with the same power quality as the power quality of the power system test bed for the power system test bed;
the power cross-linking simulation model is further used for obtaining a second control factor used for adjusting the load of the first power amplifier according to the load of the power utilization system test bed, and the adjusted load of the first power amplifier is the same as the load of the power utilization system test bed;
the upper computer system is connected with the real-time simulation system through an Ethernet switch; the upper computer system is used for managing the power supply testing system and developing the power cross-linking simulation model.
2. The power supply testing system of claim 1, wherein the real-time simulation system comprises a real-time simulator and an FPGA simulator;
the real-time simulator is connected with the FPGA simulator through a PCIE bus, and the FPGA simulator is connected with the first power amplifier and the second power amplifier through optical fibers; the FPGA simulator is used for carrying out data transmission with the first power amplifier and the second power amplifier.
3. The power supply test system of claim 1, wherein the upper computer system comprises: the test management host and the model development management host;
the test management host is used for collecting and displaying the power supply quality of the power supply system test bed and the load of the power utilization system test bed;
the model development management host is used for adjusting the parameters of the cross-linking power simulation model.
4. The power testing system of claim 1, wherein the power distribution system further comprises a power distribution panel box;
the distribution board box is connected with the second power amplifier and used for independently supplying power to each electric device in the electric system test bed.
5. The power supply testing system according to any one of claims 1-4, wherein the number of power utility system test benches is N, and the number of second power amplifiers is M; wherein N and M are integers of 1 or more, and M = N.
6. A power supply test method applied to the power supply test system according to any one of claims 1 to 5, comprising:
collecting the power quality of a power supply system test bed and the load of an electricity utilization system test bed;
obtaining a first control factor through a power cross-linking simulation model and the power supply quality of the power supply system test bed, and adjusting the power supply quality of a second power amplifier according to the first control factor so that the second power amplifier provides a voltage source with the same quality as the power supply quality of the power supply system test bed for the power consumption system test bed;
and obtaining a second control factor through the power cross-linking simulation model and the load of the power utilization system test bed, and adjusting the load of the first power amplifier according to the second control factor, wherein the adjusted load of the first power amplifier is the same as the load of the power utilization system test bed.
7. The power supply testing method of claim 6, wherein the adjusting the power supply quality of the second power amplifier according to the first control factor comprises:
and adjusting the power supply quality of the second power amplifier in a harmonic injection mode according to the first control factor.
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| CN202210907863.1A CN115407226A (en) | 2022-07-29 | 2022-07-29 | Power supply test system and method |
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| CN202210907863.1A CN115407226A (en) | 2022-07-29 | 2022-07-29 | Power supply test system and method |
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