CN109633407A - A kind of the resistor intelligent adjustment method and its debugging system of radar circuit plate - Google Patents
A kind of the resistor intelligent adjustment method and its debugging system of radar circuit plate Download PDFInfo
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- CN109633407A CN109633407A CN201811473748.8A CN201811473748A CN109633407A CN 109633407 A CN109633407 A CN 109633407A CN 201811473748 A CN201811473748 A CN 201811473748A CN 109633407 A CN109633407 A CN 109633407A
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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
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2834—Automated test systems [ATE]; using microprocessors or computers
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Abstract
The invention discloses a kind of resistor intelligent adjustment method of radar circuit plate and its debugging systems, this method is on the basis of sufficiently debugging practical experience automatically with reference to radar circuit plate resistance, the information technologies such as integrated use case library, database, go out the automatic debugging result of radar circuit plate resistance using expertise knowledge reasoning, provides foundation for the maintenance of radar daily maintenance；The present invention has built a kind of test macro for combining resistance debugging and automatic test intelligence, and applied to the resistance debugging efforts of radar circuit plate, result of practical application shows that the system is fast and reliable, can greatly improve the production efficiency of radar circuit plate.
Description
Technical field
The present invention relates to automatic test fields, and in particular to a kind of resistor intelligent adjustment method of radar circuit plate and
Its debugging system.
Background technique
Radar circuit plate is the complicated circuit being made of many precision components, the correlation between each precision components
It is very high.Often it is difficult to determine the several resistance of adjustment some or certain and its debugging resistance using single adjustment method when fault diagnosis
Value, and debugging efficiency is extremely low.
Current debugging process relies on artificial means more, and technical staff is by some on experience adjustments circuit board when debugging
Or several crucial resistance, board failure is excluded, keeps circuit board parameter qualified.Debugging efficiency and Usefulness Pair commissioning staff's experience
More stringent requirements are proposed, is affected by the technical level of commissioning staff.The resistance tune of radar circuit plate fault diagnosis at present
Examination and parameter testing are two workflows being completely exfoliated, it is common practice to first carry out the resistance tune of Fault Diagnosis of Circuit Board
Examination carries out circuit board parameter testing after debugging is qualified.Not only test resource is wasted, but also can inevitably cause inefficiency.
The resistance debugging efforts of traditional radar circuit plate fault diagnosis often need mainly by the purely manual completion of commissioning staff
It is tested after first welding a debugging resistance on circuit boards, if test result is unsatisfactory for index request, commissioning staff is needed
It wants oneself and suitable resistance value is selected to be adjusted according to test result, the original resistance of removal welds new resistance again to be continued
Test.This mode is time-consuming and laborious, not only inefficiency, but also proposes more requirements to commissioning staff.In actual production
In the process, commissioning staff's quality is irregular, and certain circuit boards are even more to be related to multiple debugging resistance, the insufficient tune of some experiences
Examination personnel need to take a substantial amount of time.
Therefore the problem lower for original radar circuit plate debugging method efficiency, the present invention devise a kind of intelligence
Resistance debugging system achieves good application effect applied in the debugging production of radar circuit plate.
The content of patent application 1 (CN200410077534.0, a kind of the test circuit and test method of ground resistance): it relates to
And a kind of test circuit of ground resistance, this method comprises: the test circuit of ground resistance includes ground resistance test cell, ground resistance is surveyed
Examination unit mainly includes microprocessor, frequency generator, scan power amplification, jaw coil, master pattern generator, compares
Device and analog-digital converter, jaw coil connect the damping information that can receive ground resistance to be measured at the both ends of ground resistance to be measured, jaw coil
Connector lead-out wire be connected on frequency generator and comparator, which is connected with comparator, puts
Big device is connected to the rear class of comparator, and through A/D converter microprocessor.The invention is related to resistance testing device, but is not related to
Resistance automatic test and resistance debugging.
Patent application 2 (CN201110079371.X resistance test structure and test method) is although also relate to resistance test
Method, but the method for testing resistance used, are not related to resistance automatic test and resistance is debugged.
Document " the gadget of knowledge-based inference disclosed in 2010 the 5th phase " Computer Science and Technology " periodicals
Fault prediction expert system " describe the expert system of knowledge-based inference for gadget failure predication a kind of.But no
It is related to resistance automatic test, expert system is mainly used in gadget failure predication, is different from electricity of the present invention
The resistance of road plate fault diagnosis debugs expert system.
" the platinum electricity based on LabVIEW of document disclosed in the 12nd phase " sensor and micro-system " periodical of volume 32 in 2012
Resistance device Auto-Test System " a kind of platinum resistor Auto-Test System based on LabVIEW is devised, it is used for multichannel platinum resistor
Automatic, precise measurement.Using the method for PXI series chassis and board, four-line measurement resistance, carries out the measurement of resistance and lead to
The switching in road carries out the acquisition of data and the filtering of signal using LabVIEW software.Although the document relates to the automatic of resistance
Test method, but it is not related to the intelligent debugging of resistance.
Document " the relay based on LabVIEW disclosed in the 12nd phase " electronic measurement technique " periodicals of volume 35 in 2012
Resistance continuous and automatic testing system " describe a kind of magnetic latching relay resistance Auto-Test System based on LabVIEW software.
The system is made of arbitrary waveform generator, gpib interface card, digital multimeter, self-control power amplifier and PC, passes through wave
Drive waveforms occur for shape generator, promote relay constantly to switch in closure and disconnection two states, while by digital versatile
Table constantly measures the resistance value under each state at relay contact and is transmitted on PC and saves.Although the document relates to resistance
Automatic test approach, but it is not related to the intelligent debugging of resistance.
The radar system of a new generation is all the complication system being made of many subsystems, the correlation between each subsystem
Very high, the circuit board quantity of composed different type different function is various, and structure is complicated, resistance, capacitor, inductance, transformer,
The difference electronic component such as diode is mutually coupled, and generally requires to be adjusted certain several crucial resistance value in a certain range
To meet performance indicator requirement.Aiming at the problem that original resistance adjustment method inefficiency, a kind of radar circuit plate is provided
Resistor intelligent adjustment method and its debugging system are actually necessary.
Summary of the invention
The purpose of the present invention is to provide a kind of resistor intelligent adjustment method of radar circuit plate and its debugging systems, will
Resistance debugging and automatic test intelligence combine, fast and reliable applied to the resistance debugging efforts of radar circuit plate, can substantially mention
The production efficiency of high radar circuit plate, while the technologies such as integrated use case library, database, solve radar using expert system
Circuit board resistance debugging problem, overcomes the shortcomings of traditional program, makes full use of the Heuristics of expert to infer reasonable electricity
Hinder matching result, preferably realize radar circuit plate test parameter quick adjustment, for radar daily maintenance repair provide according to
According to.
In order to achieve the above object, the present invention provides a kind of resistor intelligent debugging system of radar circuit plate, include:
PXI controller is connected separately with the data collecting card of collecting test data, transmits the digital I/O of digital signal
Card, the adjustable resistance card of resistance value and the switch card for switching the electricity resistor intelligent debugging system internal components, it is described
Resistance card is adapted with circuit board under test；
Adapter connects with the switch card, the data collecting card, the number I/O card, the resistance card respectively
It connects；It is provided on the adapter on the first interface and the adapter that realization is connect with the circuit board under test and also sets
Be equipped with for realizing with several adapter resistance sockets for connect of resistance welding point are debugged on the circuit board under test, it is described to fit
Orchestration resistance socket is adapted with the resistance card.
Preferably, the switch card includes one or both of matrix switch card, multiplexer switch card.
Preferably, the PXI controller is also connect with multimeter card, and the multimeter card is connect with the adapter.
Preferably, the resistance card, the data collecting card, the number I/O card, the multimeter card are based on PXI
Bus connect with the PXI controller and is placed in PXI cabinet jointly.
Preferably, be additionally provided with several slide rheostats on the adapter, the slide rheostat with it is described to be measured
Circuit board is adapted.
Preferably, the first interface is 20 core sockets or 40 core sockets or 50 core sockets；The 20 core socket or institute
40 core sockets are stated to be directly connected to the circuit board under test；The 50 core socket is connected by respective cable and the circuit board under test
It connects.
Preferably, the resistor intelligent debugging system of the radar circuit plate further includes resistance debugging intelligent diagnostics
System, the resistance debugging intelligent diagnosis system includes:
Integrated data library module authenticates personnel identity information, Xiang Suoshu resistor intelligent debugging system input to
The case data of resistors match extracts the resistance characteristic information in case data, uses for reasoning by cases；
Expert system module is added case, modifies and deletes, and the matching after completing the identification of new case classification is searched
Rope work, provides optimal resistance matching scheme；
The automatic test module of automatic running test program.
Preferably, the expert system module includes: storing the database of various current composite data；
Case library is debugged, it includes what is obtained in various manners to debug case and radar work shape about radar circuit plate
The expertise of state；Inference machine, when its at runtime, the resistor intelligent debugging system is retrieved from the debugging case library
The debugging case that one or more matches with the feature set extracted in current composite database, with similarity size sequence for
Family checks that if retrieval is less than matched debugging case, expert and special debugging technique personnel participate in jointly, searches former
Cause establishes the feature set of the debugging case, enriches in debugging case library.
The present invention also provides a kind of resistor intelligentization debugging using resistor intelligent debugging system as described above
Method, this method include following procedure:
Circuit board under test accesses resistor intelligent debugging system by adaptor interface；
Into log-in interface, program is matched with database register information automatically after user inputs identity information, successful match
User obtains operating right, the circuit board under test of system automatically scanning access system afterwards, and matches with database information；
The debugging resistance value of resistance card is set, and commissioning staff confirms the debugging resistance of adapter resistance socket and circuit board
Whether tie point is correct, when connection error, then provides miscue, program stopped；When connection is correct, then into resistance debugging
Main program；
After the completion of connection, debugging resistance value of the commissioning staff by setting resistance card, operation autotest program progress
Test, alternatively, commissioning staff's selection builds resistance debugging in adapter panel, by the sliding on circuit board under test couple in adapter
Rheostat runs autotest program；
When test result meets technical requirement, continue to debug next resistance, circulation carries out, until completing all
Resistance debugging, work terminates.
Preferably, the resistor intelligent adjustment method further includes: wanting when test result is unsatisfactory for technical indicator
When asking, the resistor intelligent debugging system calls resistance to debug intelligent diagnosis system, the test item result of analysis debugging resistance
And suggestion is provided, commissioning staff according to the actual situation, continues to test or commissioning staff passes through setting after setting new resistance value
The resistance value range of resistance is debugged, stepping resistance value and step direction, automatic running debugging routine are set, is referred to until meeting technology
Mark requires.
Compared with prior art, the invention has the benefit that the present invention has built and a kind of by resistance debugging and automatic surveyed
The intelligent test macro combined of examination, applied to the resistance debugging efforts of radar circuit plate, result of practical application shows the system
It is fast and reliable, the production efficiency of radar circuit plate can be greatly improved, the present invention is sufficiently debugging in fact with reference to radar circuit plate resistance
On the basis of trampling experience, the information technologies such as integrated use case library, database go out radar circuit using expertise knowledge reasoning
Plate resistance debugging result provides foundation for the maintenance of radar daily maintenance.
Detailed description of the invention
The resistor intelligent debugging system of radar circuit plate forms figure in Fig. 1 present invention；
The resistor intelligent debugging system adapter schematic block of radar circuit plate in Fig. 2 present invention；
The resistor intelligent debugging system work flow diagram of radar circuit plate in Fig. 3 present invention.
Specific embodiment
In order to keep the present invention more obvious and easy to understand, the present invention is done furtherly below in conjunction with the drawings and specific embodiments
It is bright.
The automatic test and fault diagnosis resistance debugging function phase of resistor intelligent debugging system of the invention by circuit board
In conjunction with.As shown in Figure 1, the resistor intelligent debugging system of radar circuit plate includes PXI cabinet, PXI controller, electricity in the present invention
Blocked portion, matrix switch card, multiplexer switch card (also referred to as multiplexer card), data collecting card (also referred to as analog acquisition board,
For collecting test data), number I/O card (numeral input/output port, be used for transmission digital signal), multimeter card and suitable
Orchestration.Resistance card, data collecting card, number I/O card, multimeter card are based on PXI bus and are placed in together with PXI controller
In PXI cabinet, i.e., operation to these boards is realized by PXI controller, adapter respectively with matrix switch card, multiplexing
Switch card, data collecting card, number I/O card, resistance card connection.
The bright resistance card that different circuit board matching respective models can be allocated to by database of we, is opened by matrix
Pass or multiplexer switching system internal resource (various boards as escribed above etc.).In addition, when minority is related to power module
Circuit board need to use high-power resistance, the debugging resistance card of this kind of special circuit plate can be replaced with slide rheostat, institute
To be combined by resistance card and slide rheostat, all debugging resistance demands of certain type radar circuit plate can be met.
As shown in Fig. 2, be provided with 20 core sockets, multiple 40 core sockets on adapter of the invention, realize adapter with to
Slowdown monitoring circuit plate is directly connected to.The adapter is additionally provided with 50 core sockets, is attached by corresponding cable with circuit board under test.
Adapter resistance socket that several match with resistance card is additionally provided on adapter (such as adapter resistance socket 1, to be adapted to
Device resistance socket 2, adapter resistance socket 3 etc.), each adapter resistance socket is debugged by test cable and circuit board under test
The connection of resistance connection welding.Multiple slide rheostats can also be provided on adapter to carry out the high-power electricity for meeting special circuit plate
Hinder testing requirement.
In the present embodiment, user can be according to software prompt, by test cable by adapter resistance preset on adapter
It is connected at socket and the solder joint where debugging circuit board resistance, to realize that program-controlled resistor substitution welding kesistance is adjusted automatically
Examination.Illustratively, when certain block circuit board is related to multiple debugging resistance, while realizing that multichannel debugging resistance is replaced using program-controlled resistor
It changes.
As shown in figure 3, the resistor intelligent adjustment method of radar circuit plate of the invention is specific as follows:
Log-in interface is initially entered, program is matched with database register information automatically after user inputs identity information, is matched
User obtains operating right, the object to be measured (circuit board under test) of system automatically scanning access system, and and database after success
Information matches；The debugging resistance value of resistance card is set, while commissioning staff needs to confirm adapter resistance socket and circuit board
Whether correct debug ohmic connection points.When connection error, then miscue, program stopped are provided；It is correct when connecting, then enter
Resistance debugs main program.
After the completion of connection, commissioning staff, which can choose, builds resistance debugging in adapter panel, i.e., by circuit board under test
Slide rheostat on couple in adapter, runs autotest program, and commissioning staff can also pass through the debugging of setting resistance card
Resistance value, when resistance card debugging resistance value after setting completed, operation autotest program tested.Wherein, to ensure electricity
The test safety of road plate, program can call multimeter resource to the resistance value of setting after the completion of the debugging resistance value of resistance card is arranged
Resistance measurement is carried out to be confirmed.
After the completion of test, automatically generates and save test result.When test result is unsatisfactory for index request, system meeting
Call resistance to debug intelligent diagnosis system, the test item of analysis debugging resistance as a result, and provide suggestion, such as increase or reduce electricity
Resistance value, commissioning staff can continue to test after setting new resistance value according to the actual situation, can also pass through setting debugging resistance
Resistance value range, sets stepping resistance value and step direction, and system meeting automatic running debugging routine is wanted until meeting technical indicator
It asks.
Radar circuit plate resistor intelligent debugging system of the invention is carried out in fact by graphical programming language LabVIEW
Existing, which mainly includes integrated data library module, expert system module and automatic test module.Integrated data library module
It is main to complete personnel identity Information Authentication, the case number of cases to resistors match is inputted to radar circuit plate resistor intelligent debugging system
According to, extract data in resistance characteristic information, for reasoning by cases use；Expert system module completes the addition of case, modifies, deletes
Except etc. functions, complete new case classification identification after detailed matching search work, provide optimal resistance matching scheme.
Expert system application of the invention debugs field in radar circuit plate resistance, is by artificial intelligence technology and technology people
The knowledge that member provides combines, and using the past experience of technical staff, simulates the thought process that human expert makes a policy, solves
Originally the challenge for needing just to can solve by expert.Radar circuit plate resistance debugs expert system, has as the field is special
Family's knowledge and experience equally abundant, and expert can be copied to use itself knowledge and experience, by reasoning to being solved
Practical problem judge and decision.
In the present embodiment, the expert system of radar circuit plate resistor intelligent debugging system mainly by case library, inference machine with
And database composition.For expert system, first have to establish case library, the case library initial stage of establishing is the history debugging manually added
Case includes the expertise that case and radar working condition are debugged about radar circuit plate obtained in various manners.Specially
The case library of family's system is with the learning ability to new knowledge, is to constantly update and expanding.It is needing to change or increase
When deleting case, radar circuit plate resistor intelligent debugging system can modify case library in the presence of expert and technical staff.
When inference machine operation, radar circuit plate resistor intelligent debugging system retrieves one or more from debugging case library
The debugging case that the feature set extracted in a same current composite database matches is checked with the sequence of similarity size for user.
If matched debugging case cannot be retrieved, expert and special debugging technique personnel is needed to participate in jointly, searches reason, build
The feature set for founding the case is enriched in debugging case library.New case deposit case library is the collection of a new and old case library
At process, such expert system also further enhances itself analytic ability to knowledge while solving new problem.
Therefore, the technologies such as integrated use case library, database solve the debugging of radar circuit plate resistance using expert system
Problem can overcome the shortcomings of traditional program, make full use of the Heuristics of expert inferring reasonable resistors match as a result,
It can preferably realize the quick adjustment of radar circuit plate test parameter.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a kind of resistor intelligent debugging system of radar circuit plate, characterized by comprising:
PXI controller, the number for being connected separately with the data collecting card for collecting test data, being used for transmission digital signal
The adjustable resistance card of I/O card, resistance value and switch card for switching the electricity resistor intelligent debugging system internal components, institute
Resistance card is stated to be adapted with circuit board under test；
Adapter is connect with the switch card, the data collecting card, the number I/O card, the resistance card respectively；Institute
It states to be provided on adapter on the first interface and the adapter that realization is connect with the circuit board under test and is additionally provided with use
In several adapter resistance sockets realized and debugging resistance welding point is connect on the circuit board under test, the adapter electricity
Resistance socket is adapted with the resistance card.
2. the resistor intelligent debugging system of radar circuit plate as described in claim 1, which is characterized in that the switch card packet
One or both of card containing matrix switch, multiplexer switch card.
3. the resistor intelligent debugging system of radar circuit plate as claimed in claim 1 or 2, which is characterized in that the PXI control
Device processed is also connect with multimeter card, and the multimeter card is connect with the adapter.
4. the resistor intelligent debugging system of radar circuit plate as claimed in claim 3, which is characterized in that the resistance card,
The data collecting card, the number I/O card, the multimeter card are based on PXI bus and connect and be total to the PXI controller
It is same to be placed in PXI cabinet.
5. the resistor intelligent debugging system of radar circuit plate as described in claim 1, which is characterized in that on the adapter
Several slide rheostats are additionally provided with, the slide rheostat is adapted with the circuit board under test.
6. the resistor intelligent debugging system of radar circuit plate as described in claim 1, which is characterized in that
The first interface is 20 core sockets or 40 core sockets or 50 core sockets；
The 20 core socket or the 40 core socket are directly connected to the circuit board under test；
The 50 core socket is connect by respective cable with the circuit board under test.
7. the resistor intelligent debugging system of radar circuit plate as described in claim 1, which is characterized in that it is further included
Resistance debugs intelligent diagnosis system, and the resistance debugging intelligent diagnosis system includes:
Integrated data library module authenticates personnel identity information, and Xiang Suoshu resistor intelligent debugging system is inputted to resistance
Matched case data extracts the resistance characteristic information in case data, uses for reasoning by cases；
Expert system module is added case, modifies and deletes, and work is searched in the matching after completing the identification of new case classification
Make, optimal resistance matching scheme is provided；
The automatic test module of automatic running test program.
8. the resistor intelligent debugging system of radar circuit plate as claimed in claim 7, which is characterized in that the expert system
Module includes:
Store the database of various current composite data；
Case library is debugged, it includes obtain to debug case and radar working condition about radar circuit plate in various manners
Expertise；
Inference machine, when its at runtime, the resistor intelligent debugging system retrieves one or more from the debugging case library
The debugging case that the feature set extracted in a same current composite database matches is sorted with similarity size and is checked for user,
If retrieval is less than matched debugging case, expert and special debugging technique personnel participate in jointly, search reason, and establishing should
The feature set for debugging case is enriched in debugging case library.
9. a kind of resistor intelligentization debugging side using the resistor intelligent debugging system as described in claim 1-8 any one
Method, which is characterized in that this method includes following procedure:
Circuit board under test accesses resistor intelligent debugging system by adaptor interface；
Into log-in interface, program is matched with database register information automatically after user inputs identity information, is used after successful match
Family obtains operating right, the circuit board under test of system automatically scanning access system, and matches with database information；
The debugging resistance value of resistance card is set, and commissioning staff confirms that adapter resistance socket is connected with the debugging resistance of circuit board
Whether point is correct, when connection error, then provides miscue, program stopped；When connection is correct, then into the main journey of resistance debugging
Sequence；
After the completion of connection, commissioning staff is run autotest program and is tested by the debugging resistance value of setting resistance card,
Alternatively, commissioning staff's selection builds resistance debugging in adapter panel, by the sliding variable resistance on circuit board under test couple in adapter
Device runs autotest program；
When test result meets technical requirement, continue to debug next resistance, circulation carries out, until completing all electricity
Resistance debugging, work terminate.
10. resistor intelligent adjustment method as claimed in claim 9, which is characterized in that
It further includes:
When test result is unsatisfactory for technical requirement, the resistor intelligent debugging system calls resistance to debug intelligent diagnostics
System, analysis debugging resistance test item result simultaneously suggestion is provided, commissioning staff according to the actual situation, after setting new resistance value
Continue to test or commissioning staff is by the resistance value range of setting debugging resistance, sets stepping resistance value and step direction, from
Dynamic operation debugging routine, until meeting technical requirement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811473748.8A CN109633407A (en) | 2018-12-04 | 2018-12-04 | A kind of the resistor intelligent adjustment method and its debugging system of radar circuit plate |
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| CN201811473748.8A CN109633407A (en) | 2018-12-04 | 2018-12-04 | A kind of the resistor intelligent adjustment method and its debugging system of radar circuit plate |
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Cited By (1)
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| CN111596194A (en) * | 2020-04-23 | 2020-08-28 | 上海机电工程研究所 | Test resource switching circuit device suitable for PCB board maintenance test equipment |
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Application publication date: 20190416 |