CN113109648B - Equipment electromagnetic environment adaptability boundary test system based on response equivalence - Google Patents
Equipment electromagnetic environment adaptability boundary test system based on response equivalence Download PDFInfo
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- CN113109648B CN113109648B CN202110390320.2A CN202110390320A CN113109648B CN 113109648 B CN113109648 B CN 113109648B CN 202110390320 A CN202110390320 A CN 202110390320A CN 113109648 B CN113109648 B CN 113109648B
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- 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
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
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Abstract
The invention discloses a boundary test system for equipment electromagnetic environment adaptability based on response equivalence, which comprises front-end hardware equipment, an industrial personal computer and a rear-end software platform, wherein the front-end hardware equipment is connected with the industrial personal computer; the front-end hardware equipment comprises a servo combined module, an electromagnetic attitude control assembly and an electromagnetic environment construction module, wherein the servo combined module is connected with the electromagnetic environment construction module through an I/O port; the electromagnetic attitude control assembly comprises an electromagnetic attitude control module, a plurality of independent servos and environment radiation sources arranged on the independent servos; the servo combination module is connected with the electromagnetic attitude control module, the electromagnetic attitude control module is respectively connected with each independent servo, and the electromagnetic environment construction module is respectively connected with each environment radiation source. The invention realizes the comprehensive test of the working performance of the electronic equipment and the edge-touching bottom detection of the adaptability boundary of the electromagnetic environment.
Description
Technical Field
The invention relates to an electromagnetic environment adaptability test of electronic equipment, in particular to a boundary test system for electromagnetic environment adaptability of equipment based on response equivalence.
Background
The electromagnetic environment that the actual work of electronic equipment faces has electromagnetic signal various, the form is various, and spatial layout is unpredictable, characteristics such as difficult to describe, and electronic equipment can receive normal function signal except, still can receive other equipment in the surroundings to the influence of different types of signals such as external radiation signal, natural electromagnetic environment, electronic interference for the performance index of electronic equipment receives degradation of different degree even can not normally work. In order to ensure the normal performance of the electronic equipment in an actual working scene, the performance boundaries of the electronic equipment under different electromagnetic waveforms and typical working scenes are tested by combining the working scene and performance indexes of the electronic equipment, namely, a boundary test conclusion of what working performance is not available and available in what electromagnetic environment is given.
The system for testing the electromagnetic environment adaptability of the electronic equipment at present has three problems, firstly, the system is mainly constructed in a functional environment and an electronic interference environment, and the construction of the electromagnetic interference environment is lacked, so that the functional test, the electronic interference test and the electromagnetic compatibility test of the electronic equipment are carried out independently, and the electromagnetic environment adaptability of the electronic equipment is not comprehensively tested; secondly, the experimental construction environment is difficult to traverse the electromagnetic environment actually faced by the electronic equipment, and a plurality of electromagnetic environments cannot be realized on the physical level; finally, the test result is difficult to establish a relationship with an actual scene, that is, an electromagnetic environment adaptability boundary under an actual working scene of the electronic equipment cannot be obtained.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a device electromagnetic environment adaptability boundary test system based on response equivalence, can realize the comprehensive construction of the electromagnetic environment of the functions, electronic interference and electromagnetic interference of electronic equipment, can carry out irradiation boundary test and current injection boundary test on the electronic equipment, and further completes the comprehensive test of the working performance of the electronic equipment and the edge-touching detection of the electromagnetic environment adaptability boundary.
The purpose of the invention is realized by the following technical scheme: a boundary test system based on response equivalence equipment electromagnetic environment adaptability comprises front-end hardware equipment, an industrial personal computer and a rear-end software platform;
the front-end hardware equipment comprises a servo combined module, an electromagnetic attitude control assembly and an electromagnetic environment construction module, wherein the servo combined module is connected with the electromagnetic environment construction module through an I/O port; the electromagnetic attitude control assembly comprises an electromagnetic attitude control module, a plurality of independent servos and environment radiation sources arranged on the independent servos; the servo combined module is connected with the electromagnetic attitude control module, the electromagnetic attitude control module is respectively connected with each independent servo, and the electromagnetic environment construction module is respectively connected with each environment radiation source;
the servo combination module is used for carrying out spatial arrangement and quantity combination of an environment radiation source and an independent servo of the electromagnetic environment adaptability boundary test system of the electronic equipment;
the electromagnetic attitude control module is used for establishing a three-dimensional scanning grid from a pitching surface and a horizontal plane according to a preset angle interval according to the angle transformation precision of the independent servo and controlling the electromagnetic attitude change of the environmental radiation source from the pitching surface and the horizontal plane according to a preset three-dimensional scanning route;
the electromagnetic environment construction module is used for generating an electromagnetic environment under the working scene of the electronic equipment so as to facilitate the adaptive boundary test of the electromagnetic environment;
the industrial personal computer is respectively connected with the back-end software platform, the servo combined module and the electromagnetic environment construction module through the I/0 port and is used for transmitting data and control instructions to the front-end hardware equipment according to the information of the back-end software platform.
The back-end software platform comprises an environment simulation control module, a response simulation module, a response equivalent module, an electronic equipment electromagnetic boundary evaluation module and a database;
the environment simulation control module is used for setting the combination and parameters of a functional environment, an electronic interference environment and an electromagnetic interference environment, realizing the excitation and dynamic control of the electromagnetic environment signal generation of front-end hardware equipment, and simultaneously providing simulation environment input for responding the task distribution of the simulation module;
the response simulation module is used for establishing an electromagnetic model and a theoretical model of the typical port of the electronic equipment, performing electric field distribution calculation, cable coupling effect calculation, shielding effectiveness calculation, resonance characteristic calculation and surface current calculation according to the set electromagnetic environment, forming a response rule of the typical port of the electronic equipment in different electromagnetic environments, and uploading the calculation result to the response equivalent module;
the response equivalent module is used for calculating the radio frequency port response equivalent, the shell response equivalent, the power line response equivalent, the radio frequency line response equivalent and the interconnection line response equivalent under the set electromagnetic environment, synthesizing the calculation result uploaded by the response simulation module, and controlling the external radiation or current injection quantity value of the electromagnetic environment of the environment simulation control module so as to realize the equivalent construction of the set electromagnetic environment;
the electronic equipment electromagnetic boundary evaluation module is used for taking simulation calculation and theoretical derivation results as output values of external irradiation or current injection of the system, testing whether the electronic equipment is sensitive in a planned working scene, and deducing the sensitive boundary tested by the test to obtain an electronic equipment working scene corresponding to the sensitive boundary through the simulation calculation and theoretical derivation results;
the database is used for carrying out centralized management and data interaction on electromagnetic environment data, an electromagnetic environment propagation model, a typical port electromagnetic model, a theoretical model, simulation calculation data, equivalent calculation data and electromagnetic boundary evaluation data.
The invention has the beneficial effects that: the invention establishes an electromagnetic model and a theoretical model of a typical port of electronic equipment, and tests whether the electronic equipment is sensitive in a planned working scene by using simulation calculation and theoretical derivation results as output values of external irradiation or current injection of the system through simulation calculation and theoretical derivation of a coupling effect of the system on the typical electromagnetic environment of the port, and deduces the sensitive boundary of a test through simulation calculation and theoretical derivation results to obtain the working scene of the electronic equipment corresponding to the sensitive boundary.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1, a boundary test system based on response equivalence equipment electromagnetic environment adaptability includes a front-end hardware device, an industrial personal computer and a back-end software platform;
the front-end hardware equipment comprises a servo combined module, an electromagnetic attitude control assembly and an electromagnetic environment construction module, wherein the servo combined module is connected with the electromagnetic environment construction module through an I/O port; the electromagnetic attitude control assembly comprises an electromagnetic attitude control module, a plurality of independent servos and environment radiation sources arranged on the independent servos; the servo combined module is connected with the electromagnetic attitude control module, the electromagnetic attitude control module is respectively connected with each independent servo, and the electromagnetic environment construction module is respectively connected with each environment radiation source (through a radio frequency cable);
the servo combination module is used for carrying out spatial arrangement and quantity combination of an environment radiation source and an independent servo of the electromagnetic environment adaptability boundary test system of the electronic equipment;
the electromagnetic attitude control module is used for establishing a three-dimensional scanning grid from a pitching surface and a horizontal plane according to a preset angle interval according to the angle transformation precision of the independent servo and controlling the electromagnetic attitude change of the environmental radiation source from the pitching surface and the horizontal plane according to a preset three-dimensional scanning route;
the electromagnetic environment construction module is used for generating an electromagnetic environment under the working scene of the electronic equipment so as to facilitate the adaptive boundary test of the electromagnetic environment;
the industrial personal computer is respectively connected with the back-end software platform, the servo combined module and the electromagnetic environment construction module through the I/0 port and is used for transmitting data and control instructions to the front-end hardware equipment according to the information of the back-end software platform.
The back-end software platform comprises an environment simulation control module, a response simulation module, a response equivalent module, an electronic equipment electromagnetic boundary evaluation module and a database;
the environment simulation control module is used for setting the combination and parameters of a functional environment, an electronic interference environment and an electromagnetic interference environment, realizing the excitation and dynamic control of the electromagnetic environment signal generation of front-end hardware equipment, and simultaneously providing simulation environment input for responding the task distribution of the simulation module;
the response simulation module is used for establishing an electromagnetic model and a theoretical model of the typical port of the electronic equipment, performing electric field distribution calculation, cable coupling effect calculation, shielding effectiveness calculation, resonance characteristic calculation and surface current calculation according to the set electromagnetic environment, forming a response rule of the typical port of the electronic equipment in different electromagnetic environments, and uploading the calculation result to the response equivalent module;
the response equivalent module is used for calculating the radio frequency port response equivalent, the shell response equivalent, the power line response equivalent, the radio frequency line response equivalent and the interconnection line response equivalent under the set electromagnetic environment, synthesizing the calculation result uploaded by the response simulation module, and controlling the external radiation or current injection quantity value of the electromagnetic environment of the environment simulation control module so as to realize the equivalent construction of the set electromagnetic environment;
the electronic equipment electromagnetic boundary evaluation module is used for taking simulation calculation and theoretical derivation results as output values of external irradiation or current injection of the system, testing whether the electronic equipment is sensitive in a planned working scene, and deducing the sensitive boundary tested by the test to obtain an electronic equipment working scene corresponding to the sensitive boundary through the simulation calculation and theoretical derivation results;
the database is used for carrying out centralized management and data interaction on electromagnetic environment data, an electromagnetic environment propagation model, a typical port electromagnetic model, a theoretical model, simulation calculation data, equivalent calculation data and electromagnetic boundary evaluation data.
In the embodiment of the application, the test system further comprises a power supply module, wherein the power supply module is respectively connected with the front-end hardware equipment, the industrial personal computer and the rear-end software platform and used for realizing power supply of the whole test system. The typical port of the electronic device includes an antenna, cable or housing. The power supply module includes: the electromagnetic environment building module is connected with each independent servo through a radio frequency cable; the industrial personal computer is connected with an environment simulation control module and a corresponding simulation module in the back-end software platform through an I/0 port.
In the embodiment of the application, the servo combination module comprises a data processing unit and a plurality of lifting towers, wherein the data processing unit is connected with an industrial personal computer through an I/O (input/output) port and is used for receiving a lifting control command from the industrial personal computer, controlling the lifting and the height of the lifting towers, receiving an attitude control command from the industrial personal computer and transmitting the attitude control command to the electromagnetic attitude control module; each lifting tower is provided with one independent servo (composed of a servo motor and a mounting platform, the mounting platform is fixed with an output shaft of the servo motor, and an environment radiation source is fixed on the mounting platform); the electromagnetic attitude control module controls an independent servo (driving an environmental radiation source) to move according to a specified position, angle, speed and acceleration after receiving a control instruction from an industrial personal computer; since the data processing unit of the servo combination module is able to control the height of the tower, the individual environmental radiation sources are in fact able to move according to prescribed positions, angles, speeds and accelerations at different heights.
Further, the electromagnetic attitude control module includes:
an azimuth adjustment unit for presetting an azimuth scanning range
And azimuthal scan interval
And controlling the independent servo to drive the environmental radiation source to move according to a scanning route of a preset azimuth plane, wherein
The azimuth angle transformation precision of the independent servo is obtained;
the pitching surface adjusting unit is used for presetting a pitching angle scanning range theta and a pitching angle scanning interval delta theta, and controlling the independent servo to drive the environment radiation source to move according to a preset pitching surface scanning route, wherein the delta theta is more than or equal to the theta ', and the theta' is the pitching surface angle transformation precision of the independent servo;
the horizontal plane adjusting unit is used for presetting a horizontal plane moving range omega and a horizontal plane moving interval delta omega, and controlling the independent servo to drive the environment radiation source to move according to a preset horizontal plane scanning route, wherein delta omega is more than or equal to omega ', and omega' is the horizontal plane adjusting precision of the independent servo;
and the three-dimensional follow-up unit is used for controlling the independent servo to drive the environmental radiation source to scan in a three-dimensional linkage manner on the pitching plane, the azimuth plane and the horizontal plane according to a preset route.
Further, the electromagnetic environment construction module comprises an electromagnetic irradiation simulation unit and a current injection simulation unit;
the electromagnetic irradiation simulation unit comprises a target signal/interference signal simulator, a power amplifier and an electromagnetic environment signal generator; the target signal/interference signal simulator is used for generating a functional signal environment and an intentional interference signal environment which are faced by the actual work of the electronic equipment; the electromagnetic environment signal generator is used for generating a natural electromagnetic environment and an unintentional interference signal environment which are faced by the actual working of the electronic equipment; the output ends of the target signal/interference signal simulator and the electromagnetic environment signal generator are connected with a power amplifier, and the power amplifier is used for transmitting the received signals to each environment radiation source after power amplification (through a radio frequency cable);
the current injection simulation unit comprises a current injection probe and a signal output port, wherein the current injection probe is used for generating different electromagnetic injection signals according to the test requirements of the electronic equipment cable and outputting the electromagnetic injection signals to the outside through the signal output port so that the tested cable is connected with the signal output port to obtain the test signals.
Further, the environmental simulation control module includes:
the test platform electromagnetic attitude control unit is used for setting electromagnetic attitude parameters and changing the attitude of the environmental radiation source on a pitching plane, an azimuth plane and a horizontal plane;
the function simulator control unit is used for setting, generating excitation and dynamically controlling functional electromagnetic environment parameters faced by the actual work of the electronic equipment;
the interference simulator control unit is used for setting parameters of an intentional interference electromagnetic environment faced by the actual work of the electronic equipment, generating excitation and dynamically controlling the parameters;
and the background environment simulation control unit is used for setting, generating excitation and dynamically controlling parameters of a natural electromagnetic environment and an unintentional interference signal environment faced by the actual work of the electronic equipment.
Further, the response simulation module includes:
the electric field distribution calculation unit is used for establishing an electromagnetic model and a theoretical model of a typical port of the electronic equipment and carrying out simulation calculation on the electric field distribution at the port and near the port according to the set electromagnetic environment;
the cable coupling effect calculation unit is used for establishing an electromagnetic model and a theoretical model of the cable of the electronic equipment and carrying out simulation calculation on the current and the voltage of the cable at different positions according to the set electromagnetic environment;
the shielding effectiveness calculating unit is used for establishing an electromagnetic model and a theoretical model of the shell of the electronic equipment and carrying out simulation calculation on the electric field distribution and the shielding effectiveness of different positions in the shell according to the set electromagnetic environment;
the resonance characteristic calculation unit is used for establishing an electromagnetic model and a theoretical model of a typical port of the electronic equipment and carrying out simulation calculation on the resonance characteristic in the port according to the set electromagnetic environment;
the surface current calculation unit is used for establishing an electromagnetic model and a theoretical model of a typical port of the electronic equipment and carrying out simulation calculation on surface current distribution of the port surface according to a set electromagnetic environment;
and the response rule unit forms a response rule of the typical port of the electronic equipment under different electromagnetic environments according to the simulation calculation result of the typical port of the electronic equipment.
Further, the response equivalence module comprises:
the radio frequency port response equivalent unit is used for controlling the external radiation signal power of the electromagnetic environment of the environment simulation control module by combining the result of the response simulation module under the set electromagnetic environment, so as to realize equivalent construction of the set electromagnetic environment;
the shell response equivalent unit is used for controlling the external radiation signal power of the electromagnetic environment of the environment simulation control module by combining a shell response simulation result in the set electromagnetic environment, so as to realize equivalent construction of the set electromagnetic environment;
the power line response equivalent unit is used for controlling the current injection amplitude of the environment simulation control module in combination with a power line response simulation result under the set electromagnetic environment so as to realize equivalent construction of the set electromagnetic environment;
the radio frequency line response equivalent unit is used for controlling the current injection amplitude of the environment simulation control module by combining a radio frequency line response simulation result under the set electromagnetic environment so as to realize equivalent construction of the set electromagnetic environment;
and the interconnection line response equivalent calculation unit is used for controlling the current injection amplitude of the environment simulation control module by combining the interconnection line response simulation result under the set electromagnetic environment, so as to realize equivalent construction of the set electromagnetic environment.
Further, the electronic device electromagnetic boundary assessment module comprises:
the function and interference environment parameter calling unit is used for calling parameter setting of the test construction environment;
an electromagnetic environment propagation model for characterizing the propagation characteristics of an electromagnetic signal from a radiation source to an electronic device port; at present, there are two models for evaluating the propagation characteristics of radio waves, an empirical model and a deterministic model. The empirical propagation model is a model obtained by inducing a large amount of measured data in different propagation environments by adopting a certain statistical method, the establishment of the deterministic model is mainly based on the description of the environment and an electromagnetic calculation method of electromagnetic wave propagation loss, and the description of the environment can be obtained from a terrain and surface feature database with different precision levels.
The system loss determining unit is used for setting or calling energy loss caused by transmission processing of electromagnetic environment signals among modules in the electronic equipment;
and the electromagnetic boundary evaluation unit is used for testing whether the electronic equipment is sensitive in a planned working scene by taking the simulation calculation and theoretical derivation result as an output value of external irradiation or current injection of the system, and deducing the electronic equipment working scene corresponding to the sensitive boundary by using the simulation calculation and theoretical derivation result of the sensitive boundary tested in the test.
Aiming at the requirements of development, test identification and the like of electronic equipment on a complex electromagnetic environment, the invention builds an electromagnetic environment adaptability boundary test system suitable for the functions, electronic interference and electromagnetic interference of the electronic equipment. The radiation source irradiation boundary test and the current injection boundary test can be carried out on the electronic equipment. The irradiation boundary test adopts a radiation source array to simulate the environments of typical functions with fixed angles, interference, background electromagnetism and the like, and can be flexibly constructed by adjusting the position of a radiation source. When the radiation source is arranged at the top of the lifting tower, functional signals, electronic interference signals and electromagnetic interference signals which are generated in the same wave beam or not in the same wave beam can be simulated, a typical working scene is constructed, and the sensitive boundary of the electronic equipment is tested; the current injection boundary test tests the sensitive boundary of the electronic equipment by injecting an electromagnetic signal from the electronic equipment cable through the current injection probe. Establishing an electromagnetic model and a theoretical model of a typical port of the electronic equipment, and performing simulation calculation and theoretical derivation on the coupling effect of the typical electromagnetic environment of the port by using the system, so that on one hand, the simulation calculation and theoretical derivation results can be used as output values of external irradiation or current injection of the system to test whether the electronic equipment is sensitive in a planned working scene, and on the other hand, the sensitive boundary of the test can be deduced to obtain the working scene of the electronic equipment corresponding to the sensitive boundary through the simulation calculation and theoretical derivation results. The open software and hardware system architecture is adopted, so that the system is compatible with the existing system, and the comprehensive test of the working performance of the electronic equipment and the edge-touching bottom detection of the electromagnetic environment adaptability boundary are realized.
While the foregoing description shows and describes a preferred embodiment of the invention, it is to be understood, as noted above, that the invention is not limited to the form disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and may be modified within the scope of the inventive concept described herein by the above teachings or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A response equivalence-based boundary test system for equipment electromagnetic environment adaptability is characterized in that: the system comprises front-end hardware equipment, an industrial personal computer and a rear-end software platform;
the front-end hardware equipment comprises a servo combined module, an electromagnetic attitude control assembly and an electromagnetic environment construction module, wherein the servo combined module is connected with the electromagnetic environment construction module through an I/O port; the electromagnetic attitude control assembly comprises an electromagnetic attitude control module, a plurality of independent servos and environment radiation sources arranged on the independent servos; the servo combined module is connected with the electromagnetic attitude control module, the electromagnetic attitude control module is respectively connected with each independent servo, and the electromagnetic environment construction module is respectively connected with each environment radiation source;
the servo combination module is used for carrying out spatial arrangement and quantity combination of an environment radiation source and an independent servo of the electromagnetic environment adaptability boundary test system of the electronic equipment;
the electromagnetic attitude control module is used for establishing a three-dimensional scanning grid from a pitching surface and a horizontal plane according to a preset angle interval according to the angle transformation precision of the independent servo and controlling the electromagnetic attitude change of the environmental radiation source from the pitching surface and the horizontal plane according to a preset three-dimensional scanning route;
the electromagnetic environment construction module is used for generating an electromagnetic environment under the working scene of the electronic equipment so as to facilitate the adaptive boundary test of the electromagnetic environment;
the industrial personal computer is respectively connected with the back-end software platform, the servo combined module and the electromagnetic environment construction module through an I/0 port and is used for transmitting data and control instructions to the front-end hardware equipment according to the information of the back-end software platform;
the back-end software platform comprises an environment simulation control module, a response simulation module, a response equivalent module, an electronic equipment electromagnetic boundary evaluation module and a database;
the environment simulation control module is used for setting the combination and parameters of a functional environment, an electronic interference environment and an electromagnetic interference environment, realizing the excitation and dynamic control of the electromagnetic environment signal generation of front-end hardware equipment, and simultaneously providing simulation environment input for responding the task distribution of the simulation module;
the response simulation module is used for establishing an electromagnetic model and a theoretical model of the typical port of the electronic equipment, performing electric field distribution calculation, cable coupling effect calculation, shielding effectiveness calculation, resonance characteristic calculation and surface current calculation according to the set electromagnetic environment, forming a response rule of the typical port of the electronic equipment in different electromagnetic environments, and uploading the calculation result to the response equivalent module;
the response equivalent module is used for calculating the radio frequency port response equivalent, the shell response equivalent, the power line response equivalent, the radio frequency line response equivalent and the interconnection line response equivalent under the set electromagnetic environment, synthesizing the calculation result uploaded by the response simulation module, and controlling the external radiation or current injection quantity value of the electromagnetic environment of the environment simulation control module so as to realize the equivalent construction of the set electromagnetic environment;
the electronic equipment electromagnetic boundary evaluation module is used for taking simulation calculation and theoretical derivation results as output values of external irradiation or current injection of the system, testing whether the electronic equipment is sensitive in a planned working scene, and deducing the sensitive boundary tested by the test to obtain an electronic equipment working scene corresponding to the sensitive boundary through the simulation calculation and theoretical derivation results;
the database is used for carrying out centralized management and data interaction on electromagnetic environment data, an electromagnetic environment propagation model, a typical port electromagnetic model, a theoretical model, simulation calculation data, equivalent calculation data and electromagnetic boundary evaluation data.
2. The response equivalence-based plant electromagnetic environment adaptive boundary test system of claim 1, wherein: the test system further comprises a power supply module, wherein the power supply module is respectively connected with the front-end hardware equipment, the industrial personal computer and the rear-end software platform and used for realizing power supply of the whole test system.
3. The response equivalence-based plant electromagnetic environment adaptive boundary test system of claim 1, wherein: the typical port of the electronic device includes an antenna, cable or housing.
4. The response equivalence-based plant electromagnetic environment adaptive boundary test system of claim 1, wherein: the electromagnetic attitude control module includes:
an azimuth adjustment unit for presetting an azimuth scanning range
And azimuthal scan interval
And controlling the independent servo to drive the environmental radiation source to move according to a scanning route of a preset azimuth plane, wherein
The azimuth angle transformation precision of the independent servo is obtained;
the pitching surface adjusting unit is used for presetting a pitching angle scanning range theta and a pitching angle scanning interval delta theta, and controlling the independent servo to drive the environment radiation source to move according to a preset pitching surface scanning route, wherein the delta theta is more than or equal to the theta ', and the theta' is the pitching surface angle transformation precision of the independent servo;
the horizontal plane adjusting unit is used for presetting a horizontal plane moving range omega and a horizontal plane moving interval delta omega, and controlling the independent servo to drive the environment radiation source to move according to a preset horizontal plane scanning route, wherein delta omega is more than or equal to omega ', and omega' is the horizontal plane adjusting precision of the independent servo;
and the three-dimensional follow-up unit is used for controlling the independent servo to drive the environmental radiation source to scan in a three-dimensional linkage manner on the pitching plane, the azimuth plane and the horizontal plane according to a preset route.
5. The response equivalence-based plant electromagnetic environment adaptive boundary test system of claim 1, wherein: the electromagnetic environment construction module comprises an electromagnetic irradiation simulation unit and a current injection simulation unit;
the electromagnetic irradiation simulation unit comprises a target signal/interference signal simulator, a power amplifier and an electromagnetic environment signal generator; the target signal/interference signal simulator is used for generating a functional signal environment and an intentional interference signal environment which are faced by the actual work of the electronic equipment; the electromagnetic environment signal generator is used for generating a natural electromagnetic environment and an unintentional interference signal environment which are faced by the actual working of the electronic equipment; the output ends of the target signal/interference signal simulator and the electromagnetic environment signal generator are connected with a power amplifier, and the power amplifier is used for amplifying the power of the received signal and transmitting the amplified signal to each environment radiation source;
the current injection simulation unit comprises a current injection probe and a signal output port, wherein the current injection probe is used for generating different electromagnetic injection signals according to the test requirements of the electronic equipment cable and outputting the electromagnetic injection signals to the outside through the signal output port so that the tested cable is connected with the signal output port to obtain the test signals.
6. The response equivalence-based plant electromagnetic environment adaptive boundary test system of claim 1, wherein: the environment simulation control module includes:
the test platform electromagnetic attitude control unit is used for setting electromagnetic attitude parameters and changing the attitude of the environmental radiation source on a pitching plane, an azimuth plane and a horizontal plane;
the function simulator control unit is used for setting, generating excitation and dynamically controlling functional electromagnetic environment parameters faced by the actual work of the electronic equipment;
the interference simulator control unit is used for setting parameters of an intentional interference electromagnetic environment faced by the actual work of the electronic equipment, generating excitation and dynamically controlling the parameters;
and the background environment simulation control unit is used for setting, generating excitation and dynamically controlling parameters of a natural electromagnetic environment and an unintentional interference signal environment faced by the actual work of the electronic equipment.
7. The response equivalence-based plant electromagnetic environment adaptive boundary test system of claim 1, wherein: the response simulation module comprises:
the electric field distribution calculation unit is used for establishing an electromagnetic model and a theoretical model of a typical port of the electronic equipment and carrying out simulation calculation on the electric field distribution at the port and near the port according to the set electromagnetic environment;
the cable coupling effect calculation unit is used for establishing an electromagnetic model and a theoretical model of the cable of the electronic equipment and carrying out simulation calculation on the current and the voltage of the cable at different positions according to the set electromagnetic environment;
the shielding effectiveness calculating unit is used for establishing an electromagnetic model and a theoretical model of the shell of the electronic equipment and carrying out simulation calculation on the electric field distribution and the shielding effectiveness of different positions in the shell according to the set electromagnetic environment;
the resonance characteristic calculation unit is used for establishing an electromagnetic model and a theoretical model of a typical port of the electronic equipment and carrying out simulation calculation on the resonance characteristic in the port according to the set electromagnetic environment;
the surface current calculation unit is used for establishing an electromagnetic model and a theoretical model of a typical port of the electronic equipment and carrying out simulation calculation on surface current distribution of the port surface according to a set electromagnetic environment;
and the response rule unit forms a response rule of the typical port of the electronic equipment under different electromagnetic environments according to the simulation calculation result of the typical port of the electronic equipment.
8. The response equivalence-based plant electromagnetic environment adaptive boundary test system of claim 1, wherein: the response equivalence module comprises:
the radio frequency port response equivalent unit is used for controlling the external radiation signal power of the electromagnetic environment of the environment simulation control module by combining the result of the response simulation module under the set electromagnetic environment, so as to realize equivalent construction of the set electromagnetic environment;
the shell response equivalent unit is used for controlling the external radiation signal power of the electromagnetic environment of the environment simulation control module by combining a shell response simulation result in the set electromagnetic environment, so as to realize equivalent construction of the set electromagnetic environment;
the power line response equivalent unit is used for controlling the current injection amplitude of the environment simulation control module in combination with a power line response simulation result under the set electromagnetic environment so as to realize equivalent construction of the set electromagnetic environment;
the radio frequency line response equivalent unit is used for controlling the current injection amplitude of the environment simulation control module by combining a radio frequency line response simulation result under the set electromagnetic environment so as to realize equivalent construction of the set electromagnetic environment;
and the interconnection line response equivalent calculation unit is used for controlling the current injection amplitude of the environment simulation control module by combining the interconnection line response simulation result under the set electromagnetic environment, so as to realize equivalent construction of the set electromagnetic environment.
9. The response equivalence-based plant electromagnetic environment adaptive boundary test system of claim 1, wherein: the electronic device electromagnetic boundary assessment module comprises:
the function and interference environment parameter calling unit is used for calling parameter setting of the test construction environment;
an electromagnetic environment propagation model for characterizing the propagation characteristics of an electromagnetic signal from a radiation source to an electronic device port;
the system loss determining unit is used for setting or calling energy loss caused by transmission processing of electromagnetic environment signals among modules in the electronic equipment;
and the electromagnetic boundary evaluation unit is used for testing whether the electronic equipment is sensitive in a planned working scene by taking the simulation calculation and theoretical derivation result as an output value of external irradiation or current injection of the system, and deducing the electronic equipment working scene corresponding to the sensitive boundary by using the simulation calculation and theoretical derivation result of the sensitive boundary tested in the test.
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