CN106598025B - Test method, system and the nuclear power generating equipment of Nuclear Safety grade I&C system priority block - Google Patents
Test method, system and the nuclear power generating equipment of Nuclear Safety grade I&C system priority block Download PDFInfo
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- CN106598025B CN106598025B CN201611138093.XA CN201611138093A CN106598025B CN 106598025 B CN106598025 B CN 106598025B CN 201611138093 A CN201611138093 A CN 201611138093A CN 106598025 B CN106598025 B CN 106598025B
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0221—Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
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Abstract
The invention belongs to nuclear power control technology fields, disclose test method, system and the nuclear power generating equipment of a kind of Nuclear Safety grade I&C system priority block.The test method of Nuclear Safety grade I&C system priority block, comprising: obtain the input signal of priority block；Generate the test case quantity of N parameter combination test；The test of N parameter combination is carried out according to input signal of the test case quantity of the N parameter combination of generation test to the priority block of acquisition；The test result for detecting the test of N parameter combination whether there is defect；And step up N value and carry out N parameter combination test, until detecting the test result of N parameter combination test, there is no defects.Compared with the existing technology, the present invention is combined test to the input value of priority block by stepping up combined test intensity, under the premise of guaranteeing test coverage, reduces the quantity of test case, testing time and test labor cost are reduced, the working efficiency of test is improved.
Description
Technical field
The invention belongs to nuclear power control technology fields, it is more particularly related to a kind of Nuclear Safety grade instrument control system
Test method, system and the nuclear power generating equipment for priority block of uniting.
Background technique
In Nuclear Safety grade I&C system field, in order to avoid the common cause fault of software systems, usually to safety level instrument control
The all possible combination of the input value of system priority module carries out Complete test.
But it quantity and numerous types due to the input signal of Nuclear Safety grade I&C system priority block and patrols
Complexity is collected, in the prior art, the test case quantity size of Complete test is very huge, and manual test and verifying work expend greatly
Time and manpower are measured, causes the working efficiency of test lower.
In view of this, it is necessory to provide test method, the system of a kind of Nuclear Safety grade I&C system priority block
And nuclear power generating equipment, to improve the working efficiency of Nuclear Safety grade I&C system priority block test.
Summary of the invention
It is an object of the invention to: test method, the system of a kind of Nuclear Safety grade I&C system priority block are provided
And nuclear power generating equipment, it is asked with solving the lower technology of working efficiency of existing Nuclear Safety grade I&C system priority block test
Topic.
In order to achieve the above-mentioned object of the invention, according to an embodiment of the present invention, a kind of Nuclear Safety grade instrument control system is provided
The test method for priority block of uniting, comprising: obtain the input signal of priority block；Generate the test of N parameter combination test
Use-case quantity；According to the test case quantity of the N parameter combination of generation test to the input signal of the priority block of acquisition into
The test of row N parameter combination；The test result for detecting the test of N parameter combination whether there is defect；And it steps up N value and carries out
The test of N parameter combination, until detecting the test result of N parameter combination test, there is no defects.
A kind of improvement of test method as Nuclear Safety grade I&C system priority block of the present invention, it is described gradually
It improves N value and carries out N parameter combination test, until defect is not present in the test result of N parameter combination test, further includes:
Generate the test case quantity of N+1 parameter combination test；N+1 is carried out to the input signal of the priority block of acquisition twice in succession
Parameter combination test；The test result of the N+1 parameter combination test of detection twice in succession whether there is defect；And works as and detect
When the test result existing defects of N+1 parameter combination test twice in succession, steps up N value and carry out the test of N parameter combination, directly
Defect is not present to the test result for detecting the test of N parameter combination.
A kind of improvement of test method as Nuclear Safety grade I&C system priority block of the present invention, the generation N
The test case quantity of parameter combination test, comprising: used by the test that combined test tool PICT generates the test of N parameter combination
Number of cases amount.
A kind of improvement of test method as Nuclear Safety grade I&C system priority block of the present invention, the generation N
The test case quantity of parameter combination test, comprising: the test case number of N parameter combination test is generated by orthogonal array algroithm
Amount；The test case quantity of N parameter combination test is generated by heuristic search algorithm；Or N parameter is generated by greedy algorithm
The test case quantity of combined test.
A kind of improvement of test method as Nuclear Safety grade I&C system priority block of the present invention, in the generation
Before the test case quantity of N parameter combination test, further includes: analyze the class signal of the input signal of the priority block of acquisition
Type and number of signals；And N value is determined according to the signal type and number of signals of the input signal of the priority block of analysis.
In order to achieve the above-mentioned object of the invention, according to a further embodiment of the invention, a kind of Nuclear Safety grade instrument is additionally provided
Control the test macro of system priority module, comprising: module is obtained, for obtaining the input signal of priority block；Generate mould
Block, for generating the test case quantity of N parameter combination test；Test module, the N ginseng for being generated according to the generation module
The test case quantity of number combined test carries out N parameter combination to the input signal for the priority block that the acquisition module obtains
Test；Detection module, for detecting the test result of the test module N parameter combination test with the presence or absence of defect；And control
Molding block carries out the test of N parameter combination for stepping up N value and controlling the test module, until the detection module is examined
Defect is not present in the test result for measuring the N parameter combination test of the test module.
A kind of improvement of test macro as Nuclear Safety grade I&C system priority block of the present invention, the test mould
Block, which is also used to step up N value in the control module and control the test module, carries out the test of N parameter combination, until described
When detection module detects the test result of the N parameter combination test of the test module there is no defect, basis twice in succession
The priority block that the test case quantity for the N+1 parameter combination test that the generation module generates obtains the acquisition module
Input signal carry out the test of N+1 parameter combination, the detection module is also used to detect the N+1 of the test module twice in succession
The test result of parameter combination test whether there is defect, when the detection module detects the test module twice in succession
When the test result existing defects of N+1 parameter combination test, the control module control steps up N value and controls the test
Module carries out the test of N parameter combination, until the detection module detects the test of the N parameter combination test of the test module
As a result defect is not present.
A kind of improvement of test macro as Nuclear Safety grade I&C system priority block of the present invention, the generation mould
Block generates the test case quantity of N parameter combination test by combined test tool PICT.
A kind of improvement of test macro as Nuclear Safety grade I&C system priority block of the present invention, the generation mould
Block generates the test case quantity of N parameter combination test by orthogonal array algroithm, heuristic search algorithm or greedy algorithm.
According to still another embodiment of the invention, and a kind of nuclear power generating equipment is provided comprising Nuclear Safety grade instrument control system
The test macro for the priority block and above-mentioned Nuclear Safety grade I&C system priority block of uniting.
Compared with the existing technology, the test method of Nuclear Safety grade I&C system priority block provided by the invention, be
System and nuclear power generating equipment obtain the input signal of priority block, the test case quantity of N parameter combination test are generated, according to life
At the test case quantity of N parameter combination test the test of N parameter combination is carried out to the input signal of the priority block of acquisition,
Detect N parameter combination test test result whether there is defect, and step up N value and carry out the test of N parameter combination until
Detect that defect is not present in the test result of N parameter combination test, by stepping up combined test intensity to priority block
Input value be combined test, under the premise of guaranteeing test coverage, reduce the quantity of test case, reduce test
Time and test labor cost improve the working efficiency of test.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is that the process of the test method of nuclear power safety level I&C system priority block in one embodiment of the invention is shown
It is intended to.
Fig. 2 is the detailed stream of the test method of nuclear power safety level I&C system priority block in one embodiment of the invention
Journey schematic diagram.
Fig. 3 is N parameter in the test method of nuclear power safety level I&C system priority block in one embodiment of the invention
The schematic diagram of combined test use-case quantity.
Fig. 4 is to pass through in the test method of nuclear power safety level I&C system priority block in one embodiment of the invention
The schematic diagram for the 3 parameter combination test cases that PICT tool generates.
Fig. 5 is the process of the test method of nuclear power safety level I&C system priority block in another embodiment of the present invention
Schematic diagram.
Fig. 6 is the detailed of the test method of nuclear power safety level I&C system priority block in another embodiment of the present invention
Flow diagram.
Fig. 7 is that the structure of the test macro of nuclear power safety level I&C system priority block in one embodiment of the invention is shown
It is intended to.
Fig. 8 is the structural schematic diagram of nuclear power generating equipment in another embodiment of the present invention.
Specific embodiment
Further more detailed description is made to technical solution of the present invention with reference to the accompanying drawings and detailed description.It is aobvious
So, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art's every other embodiment obtained without creative labor,
It all should belong to the scope of protection of the invention.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indication or suggestion relative importance.In the description of the present invention, it should be noted that unless otherwise specific regulation
And restriction, term " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood in the present invention in conjunction with concrete condition
Concrete meaning.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Fig. 1 is that the process of the test method of nuclear power safety level I&C system priority block in one embodiment of the invention is shown
It is intended to, please refers to shown in Fig. 1, the test method of Nuclear Safety grade I&C system priority block, comprising:
Step S101: the input signal of priority block is obtained.
In the present invention, priority block is the pith of Nuclear Safety grade I&C system, and complex programmable can be used
Logical device (Complex Programmable Logic Device, CPLD) or field programmable gate array (Field
Programmable Gate Array, FPGA) it realizes.The priority block can be such as safe from different instrument control subsystems
Grade system, non-security grade system receive Special safety facility driving signal, and export the order with highest priority.In this reality
It applies in example, in order to test the input value combination that can cause common cause fault in the priority block, first described in acquisition
All input signals of priority block, including safety level command signal, non-security grade command signal and on the spot control command believe
Number etc..
Step S102: the test case quantity of N parameter combination test is generated.
After getting all input signals of the priority block, the input signal of the priority block of acquisition is analyzed
Signal type and number of signals, and determined according to the signal type of the input signal of the priority block of analysis and number of signals
The test parameter of initial combined test.
According to software test empirical data, the defect failure of software systems is almost by four to six specific input signal phases
Triggering is mutually influenced, therefore does not need to ensure that interacting defects failure will not occur for software systems using Complete test.Referring to figure
2, the present invention is tested using N parameter combination, and the test case number of N parameter combination test is generated by combined test tool PICT
Amount can cover all combinations of any N number of variable test numerical value, and wherein N represents test intensity (n=2,3 ... ...), compared to
Existing Complete test mode, the present invention are tested under the premise of guaranteeing software test coverage rate by N parameter combination, greatly
The quantity for reducing test case, reduces testing time and test labor cost, improves test job efficiency.
It refers to shown in Fig. 3 and Fig. 4, in the present embodiment, the combined test tool PICT carried by microsoft system is raw
At the test case quantity that N parameter combination is tested, the corresponding test case quantity of different test intensity n, test intensity are produced
Higher, corresponding test case quantity is bigger.In some embodiments of the invention, can also by orthogonal array algroithm, open
Hairdo searching algorithm or greedy algorithm generate the test case quantity of N parameter combination test.
Step S103: according to the test case quantity of the N parameter combination of generation test to the defeated of the priority block of acquisition
Enter signal and carries out the test of N parameter combination.
After generating the test case quantity of N parameter combination test and getting the input signal of priority block, according to
The test case quantity of the N parameter combination test of generation carries out the survey of N parameter combination to the input signal of the priority block of acquisition
Examination, tests the various combinations of the input signal of the priority block according to test case quantity, and exports test knot
Structure is to judge defect failure that may be present.
Step S104: the test result of detection N parameter combination test whether there is defect.
Shown in referring to figure 5., after carrying out the test of N parameter combination (such as n=3), the survey of detection three parameter combinations test
Test result whether there is defect.When detecting when the test result existing defects of first three parameter combination test, need further
It improves combined test intensity n=n+1 and carries out four parameter combination tests again；When detect when first three parameter combination test test
When defect is as a result not present, do not need to further increase the four parameter combination tests of progress of combined test intensity, combined test knot
Beam.
Step S105: stepping up N value and carries out N parameter combination test, the test until detecting the test of N parameter combination
As a result defect is not present.
In the present embodiment, N is stepped up there is no before defect in the test result for detecting the test of N parameter combination
Value generates the test case of N parameter testing, and carries out N parameter combination test, steps up the test intensity of combined test, until
Defect is not present in the test result of current N parameter combination test, and combined test terminates.By stepping up combined test intensity pair
The input value of priority block is combined test, under the premise of guaranteeing test coverage, effectively reduces test case
Quantity, reduce testing time and test labor cost, improve test job efficiency.
In the test method of the Nuclear Safety grade I&C system priority block of the present embodiment, priority block is obtained
Input signal generates the test case quantity of N parameter combination test, the test case number tested according to the N parameter combination of generation
It measures and the test of N parameter combination is carried out to the input signal of the priority block of acquisition, the test result of detection N parameter combination test is
No existing defects, and step up N value and carry out test result of the N parameter combination test until detecting the test of N parameter combination
There is no defects, are combined test to the input value of priority block by stepping up combined test intensity, are guaranteeing to survey
Under the premise of trying coverage rate, reduces the quantity of test case, reduce testing time and test labor cost, improve test
Working efficiency.
Fig. 5 is the process of the test method of nuclear power safety level I&C system priority block in another embodiment of the present invention
Schematic diagram.As shown in figure 5, the test method of the Nuclear Safety grade I&C system priority block, comprising:
Step S201: the input signal of priority block is obtained.
Step S202: the test case quantity of N parameter combination test is generated.
Step S203: according to the test case quantity of the N parameter combination of generation test to the defeated of the priority block of acquisition
Enter signal and carries out the test of N parameter combination.
Step S204: the test result of detection N parameter combination test whether there is defect.
Step S205: stepping up N value and carries out N parameter combination test, the test until detecting the test of N parameter combination
As a result defect is not present.
Step S206: the test case quantity of N+1 parameter combination test is generated.
Step S207: twice in succession according to the test case quantity of the N+1 parameter combination of generation test to the preferential of acquisition
The input signal of grade module carries out the test of N+1 parameter combination.
Step S208: the test result of N+1 parameter combination test twice in succession is detected with the presence or absence of defect.
Step S209: it when detecting the test result existing defects of N+1 parameter combination test twice in succession, gradually mentions
High N value carries out the test of N parameter combination, and until detecting the test result of N parameter combination test, there is no defects.
It please refers to shown in Fig. 6, it is on the basis of the above embodiments, straight stepping up N value and carrying out the test of N parameter combination
To when detecting that defect is not present in the test result of N parameter combination test, the test for further generating the test of N+1 parameter combination is used
Number of cases amount, twice in succession according to the test case quantity of the N+1 parameter combination of generation test to the defeated of the priority block of acquisition
Enter signal and carry out the test of N+1 parameter combination, when the test result existing defects for detecting N+1 parameter combination test twice in succession
When, it steps up N value and the test case for generating the test of N parameter combination carries out the test of N parameter combination, until detecting N parameter
Defect is not present in the test result of combined test, i.e., ought detect that defect is not present constantly in the test result of N parameter combination test,
The N+1 parameter combination test confirmation composite test result of higher intensity is carried out, twice in succession further to verify and ensure previous N
The accuracy and reliability of the test result of parameter combination test, improves the accuracy and reliability of priority block test.
Fig. 7 is that the structure of the test macro of nuclear power safety level I&C system priority block in one embodiment of the invention is shown
It is intended to, please refers to shown in Fig. 7, on the basis of above method embodiment, Nuclear Safety grade I&C system provided in this embodiment
The test macro 100 of priority block, including obtain module 10, generation module 20, test module 30, detection module 40 and control
Module 50.
In the present invention, priority block is the pith of Nuclear Safety grade I&C system, and complex programmable can be used
Logical device (Complex Programmable Logic Device, CPLD) or field programmable gate array (Field
Programmable Gate Array, FPGA) it realizes.The priority block can be such as safe from different instrument control subsystems
Grade system, non-security grade system receive Special safety facility driving signal, and export the order with highest priority.In this reality
It applies in example, in order to test the input value combination that can cause common cause fault in the priority block, first by described
It obtains module 10 and obtains all input signals of the priority block, including safety level command signal, non-security grade order letter
Number and control command signal etc. on the spot.
After the acquisition module 10 gets all input signals of the priority block, the generation module 20 divides
Analyse the signal type and number of signals of the input signal of the priority block obtained, and the input of the priority block according to analysis
The signal type and number of signals of signal determine the test parameter of initial combined test.
According to software test empirical data, the defect failure of software systems is almost by four to six specific input signal phases
Triggering is mutually influenced, therefore does not need to ensure that interacting defects failure will not occur for software systems using Complete test.The present invention
It is tested using N parameter combination, the generation module 20 is used by the test that combined test tool PICT generates the test of N parameter combination
Number of cases amount can cover all combinations of any N number of variable test numerical value, and wherein N represents test intensity (n=2,3 ... ...), phase
Than in existing Complete test mode, the present invention tests pole under the premise of guaranteeing software test coverage rate by N parameter combination
The earth reduces the quantity of test case, reduces testing time and test labor cost, improves test job efficiency.
In the present embodiment, the generation module 20 generates N ginseng by the combined test tool PICT that microsoft system carries
The test case quantity of number combined tests produces the corresponding test case quantity of different test intensity n, and test intensity is higher,
Corresponding test case quantity is bigger.In some embodiments of the invention, the generation module 20 can also pass through orthogonal function
Group algorithm, heuristic search algorithm or greedy algorithm generate the test case quantity of N parameter combination test.
The test case quantity of N parameter combination test is generated in the generation module 20 and the acquisition module 10 is got
After the input signal of priority block, the test module 30 is tested according to the N parameter combination that the generation module 20 generates
Test case quantity carries out the test of N parameter combination to the input signal for the priority block that the acquisition module 10 obtains, according to
Test case quantity tests the various combinations of the input signal of the priority block, and exports test structure to judge
Defect failure that may be present.
After the test module 30 carries out the test of N parameter combination (such as n=3), the detection module 40 detects described
The test result of 30 3 parameter combination of test module test whether there is defect.When the detection module 40 detects the test
Module 30 needs the test module 30 to further increase combination when the test result existing defects that first three parameter combination is tested
Test intensity n=n+1 carries out four parameter combination tests again；When the detection module 40 detects that the test module 30 is current
When defect is not present in the test result of three parameter combinations test, does not need the test module 30 and further increase combined test
Intensity carries out four parameter combination tests, and combined test terminates.
In the present embodiment, the test of the test module 30N parameter combination test is detected in the detection module 40
As a result there is no before defect, the control module 50 steps up N value and controls the generation of the generation module 20 N parameter testing
Test case, control the test module 30 and carry out the test of N parameter combination, control module 50 controls test module 30 and gradually mentions
The test intensity of high combined test, until the detection module 40 detects that the current N parameter combination of the test module 30 is tested
Test result defect is not present, combined test terminates.Combined test intensity is stepped up to excellent by the test module 30
The input value of first grade module is combined test, under the premise of guaranteeing test coverage, effectively reduces test case
Quantity reduces testing time and test labor cost, improves test job efficiency.
In the test macro 100 of the Nuclear Safety grade I&C system priority block of the present embodiment, obtains module 10 and obtain
Taking the input signal of priority block, generation module 20 generates the test case quantity of N parameter combination test, and test module 30
The test case quantity of the N parameter combination test generated according to generation module 20 is defeated to the priority block for obtaining the acquisition of module 10
Enter signal and carry out the test of N parameter combination, whether the test result that detection module 40 detects the test of test module 30N parameter combination deposits
In defect, and steps up N value test module 30 and carry out the test of N parameter combination until detection module 40 detects test module
Defect is not present in the test result of 30N parameter combination test, steps up combined test intensity to preferential by test module 30
The input value of grade module is combined test, under the premise of guaranteeing test coverage, reduces the quantity of test case, reduces
Testing time and test labor cost, improve test job efficiency.
In the test macro 100 of the Nuclear Safety grade I&C system priority block of another embodiment of the invention
In, the test module 30, which is also used to step up N value in the control module 50 and control the test module 30, carries out N ginseng
Number combined test detects that the test result of the N parameter combination test of the test module 30 is not deposited until the detection module 40
In defect, the test case quantity of the N+1 parameter combination test generated twice in succession according to the generation module 20 is to described
The input signal for obtaining the priority block that module 10 obtains carries out the test of N+1 parameter combination, and the detection module 40 is also used to
The test result of the N+1 parameter combination test of the test module 30 twice in succession is detected with the presence or absence of defect, when the detection
It is described when module 40 detects the test result existing defects of the N+1 parameter combination test of the test module 30 twice in succession
The control of control module 50, which steps up N value and controls the test module 30, carries out the test of N parameter combination, until the detection mould
Block 40 detects that defect is not present in the test result of the N parameter combination test of the test module 30.
On the basis of the above embodiments, N value is stepped up in the control module 50 control and control the generation mould
Block generates the test case quantity of N parameter combination test, and controls the test module 30 and carry out the test of N parameter combination until institute
State detection module 40 detect the test result of test module 30N parameter combination test there is no when defect, the generation
Module 20 further generates the test case quantity of N+1 parameter combination test, and the test module 30 is twice in succession according to
The priority block that the test case quantity for the N+1 parameter combination test that generation module 20 generates obtains the acquisition module 10
Input signal carry out the test of N+1 parameter combination, when the detection module 40 detects the N of the test module 30 twice in succession
When the test result existing defects of+1 parameter combination test, the control of control module 50 steps up N value and controls the life
The test case of N parameter combination test is generated at module 20, the test module 30 carries out the test of N parameter combination, until described
Detection module 40 detects that defect is not present in the test result of the test module 30N parameter combination test, i.e., when the detection
Module 40 detects that defect is not present constantly in the test result of the test module 30N parameter combination test, the test module
The 30 N+1 parameter combinations for further carrying out higher intensity twice in succession, which test and pass through the detection module 40, confirms combined test
As a result, the accuracy and reliability of the test result to verify and ensure the test of the test module 30 previous N parameter combination, mentions
The high accuracy and reliability of priority block test.
Fig. 8 is the structural schematic diagram of nuclear power generating equipment in another embodiment of the present invention, is please referred to shown in Fig. 8, the nuclear power
Equipment 300 includes Nuclear Safety grade instrument control described in Nuclear Safety grade I&C system priority block 200 and above-described embodiment
The test macro 100 of the test macro 100 of system priority module, the Nuclear Safety grade I&C system priority block is logical
It crosses and steps up combined test intensity survey is combined to the input value of the Nuclear Safety grade I&C system priority block 200
Examination, under the premise of guaranteeing test coverage, reduce the quantity of test case, reduce the testing time and test manually at
This, improves test job efficiency, improves working efficiency and convenience that the nuclear power generating equipment 300 is tested.
It should be appreciated that each section of the invention can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The descriptions such as example " or " some examples " mean particular features, structures, materials, or characteristics described in conjunction with this embodiment or example
It is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are different
Surely identical embodiment or example is referred to.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in one or more embodiment or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of test method of Nuclear Safety grade I&C system priority block characterized by comprising
Obtain the input signal of priority block；
Generate the test case quantity of N parameter combination test；
N ginseng is carried out according to input signal of the test case quantity of the N parameter combination of generation test to the priority block of acquisition
Number combined test；
The test result for detecting the test of N parameter combination whether there is defect；And
It steps up N value and carries out N parameter combination test, there is no lack until detecting the test result of N parameter combination test
It falls into.
2. the test method of Nuclear Safety grade I&C system priority block according to claim 1, which is characterized in that
It is described to step up N value and carry out N parameter combination test, until defect is not present in the test result of N parameter combination test,
Further include:
Generate the test case quantity of N+1 parameter combination test；
The input of the priority block of acquisition is believed according to the test case quantity of the N+1 parameter combination of generation test twice in succession
Number carry out the test of N+1 parameter combination；
The test result of the N+1 parameter combination test of detection twice in succession whether there is defect；And
When detecting the test result existing defects of N+1 parameter combination test twice in succession, steps up N value and carry out N ginseng
Number combined test, until detecting the test result of N parameter combination test, there is no defects.
3. the test method of Nuclear Safety grade I&C system priority block according to claim 1, which is characterized in that institute
State the test case quantity for generating the test of N parameter combination, comprising:
The test case quantity of N parameter combination test is generated by combined test tool PICT.
4. the test method of Nuclear Safety grade I&C system priority block according to claim 1, which is characterized in that institute
State the test case quantity for generating the test of N parameter combination, comprising:
The test case quantity of N parameter combination test is generated by orthogonal array algroithm；
The test case quantity of N parameter combination test is generated by heuristic search algorithm；Or
The test case quantity of N parameter combination test is generated by greedy algorithm.
5. the test method of Nuclear Safety grade I&C system priority block according to claim 1, which is characterized in that
Before the test case quantity for generating the test of N parameter combination, further includes:
Analyze the signal type and number of signals of the input signal of the priority block obtained；And
N value is determined according to the signal type of the input signal of the priority block of analysis and number of signals.
6. a kind of test macro of Nuclear Safety grade I&C system priority block characterized by comprising
Module is obtained, for obtaining the input signal of priority block；
Generation module, for generating the test case quantity of N parameter combination test；
Test module, the test case quantity of the N parameter combination test for being generated according to the generation module is to the acquisition
The input signal for the priority block that module obtains carries out the test of N parameter combination；
Detection module, for detecting the test result of the test module N parameter combination test with the presence or absence of defect；And
Control module carries out the test of N parameter combination for stepping up N value and controlling the test module, until the detection
Module detects that defect is not present in the test result of the N parameter combination test of the test module.
7. the test macro of Nuclear Safety grade I&C system priority block according to claim 6, which is characterized in that institute
Test module is stated to be also used to step up N value in the control module and control the test module progress N parameter combination test
When the detection module detects the test result of the N parameter combination test of the test module there is no defect, continuously
The test case quantity of the N+1 parameter combination test generated twice according to the generation module obtains the acquisition module excellent
The input signal of first grade module carries out the test of N+1 parameter combination, and it is continuous that the detection module is also used to detect the test module
The test result of N+1 parameter combination test twice whether there is defect, when the detection module detects the test module
When the test result existing defects of N+1 parameter combination test twice in succession, the control module control steps up N value and controls
It makes the test module and carries out the test of N parameter combination, until the detection module detects the N parameter combination of the test module
Defect is not present in the test result of test.
8. the test macro of Nuclear Safety grade I&C system priority block according to claim 6, which is characterized in that institute
State the test case quantity that generation module generates the test of N parameter combination by combined test tool PICT.
9. the test macro of Nuclear Safety grade I&C system priority block according to claim 6, which is characterized in that institute
Generation module is stated to use by the test that orthogonal array algroithm, heuristic search algorithm or greedy algorithm generate the test of N parameter combination
Number of cases amount.
10. a kind of nuclear power generating equipment, which is characterized in that the nuclear power generating equipment include Nuclear Safety grade I&C system priority block and
According to the test macro of the described in any item Nuclear Safety grade I&C system priority blocks of claim 6 to 9.
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