CN107291062A - A kind of digitalized I＆C system logic function experimental rig of PWR nuclear power plant core - Google Patents
A kind of digitalized I＆C system logic function experimental rig of PWR nuclear power plant core Download PDFInfo
- Publication number
- CN107291062A CN107291062A CN201710212672.2A CN201710212672A CN107291062A CN 107291062 A CN107291062 A CN 107291062A CN 201710212672 A CN201710212672 A CN 201710212672A CN 107291062 A CN107291062 A CN 107291062A
- Authority
- CN
- China
- Prior art keywords
- test
- digitalized
- experiment
- logic function
- power plant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- 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
- G05B23/0256—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 injecting test signals and analyzing monitored process response, e.g. injecting the test signal while interrupting the normal operation of the monitored system; superimposing the test signal onto a control signal during normal operation of the monitored system
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to nuclear process reliability control system detection field, and in particular to a kind of digitalized I＆C system logic function experimental rig of PWR nuclear power plant core.The digitalized I＆C system logic function experimental rig of the PWR nuclear power plant core includes host computer, interchanger, printer, network connecting media；The present apparatus uses the apparatus structure based on network communication mode.Special testing device is accessed into KCS before execution logic function test, the communication that Special testing device and KCS are disconnected after the completion of experiment is connected.Also, network when experimental network is with normal operation is relatively independent, uses independent communication fastener, it is ensured that KCS security.
Description
Technical field
The invention belongs to nuclear process reliability control system detection field, and in particular to a kind of PWR nuclear power plant core series
Word I＆C system logic function experimental rig.
Background technology
The digitalized I＆C system of core (hereinafter referred to as KCS) is important security system in digital instrument control system of nuclear power plant,
Its major function is under unusual service condition or accident conditions, by shutdown and (or) startup engineered safeguards features, to prevent or subtract
The damage of light reactor core and coolant system part, protects the integrality of three big nuclear safety barriers, it is to avoid cause radioactive substance big
Amount effusion, protects nuclear power plant's surrounding environment not contaminated and personnel safety.
According to nuclear power relevant laws and regulations and directive/guide requirement, to ensure the reliability of the digitalized I＆C system of core, it is necessary to it
Logic function carries out routine test.In view of KCS systems itself typically have stronger System self-test function, it is general in engineering design
Do not consider to implement it special logic function routine test, therefore do not design special routine test device.And KCS systems are certainly
Diagnosis can not completely cover the diagnosis of software logic state, and can not be carried out for the signal hardwire that internal system is present
Check, therefore the special KCS logic function routine test devices of design are necessary.The digitalized I＆C system of core is patrolled
The purpose for collecting function routine test is to verify the correctness of KCS controllers internal logic and signal circuit, and trial stretch includes anti-
Answering is used for data exchange hardwire between the ad hoc driving logic of heap shutdown logic, safety and KCS controllers is connected.
Logic function routine test is performed during unit cold-refueling overhaul, using injection simulation more than traditional experiment device
Measure signal, collect the mode of analog signalses, empirical risk is high, and manual operation load is big, and automatization level is low, during overhaul
Time window and manpower bring larger pressure, while also bringing larger security risk.For problem above, if this patent is developed
Dry technical thought so that the implementation of experiment is safer, quick, convenient, efficient.
The content of the invention
The technical problem to be solved in the present invention is that research and development are a kind of to be tried specifically designed for the digitalized I＆C system logic function of core
The device tested, realizes and periodically carries out effective detection to related logic function and hardwire connection, it is ensured that KCS reliability services.Together
When device the characteristics of need to have security, portability, ease for use, rapidity.
In order to realize this purpose, the present invention is adopted the technical scheme that：
A kind of digitalized I＆C system logic function experimental rig of PWR nuclear power plant core, the PWR nuclear power plant core level
Digitize instrument control system logic function test device to be applied in the digitalized control system of core, core digitalized control system point
To participate in four passages of Reactor trip signal transacting, each passage is respectively containing two shutdown subgroups；And the ad hoc safety of participation is set
Two row of driving are applied, each row include two ad hoc logical process subgroups and an ad hoc data processing subgroup；
Aforementioned four passage and two row are divided by function as 14 subgroups, if each subgroup by a master controller and
It is dry to expand controller composition；The communication between communication and subgroup in each subgroup is realized in the form of hardwire and optical fiber；
The digitalized I＆C system logic function experimental rig of the PWR nuclear power plant core includes host computer, interchanger, beaten
Print machine, network connecting media；
(1) function of host computer includes following aspect：
1) man-machine interface is provided：Selection needs to carry out the subgroup object of logic test experiment, monitoring experiment progress, tried
Test result；
2) experiment primary condition is set up：Systems inspection and initial operating mode are set up before experiment；
3) relay protective scheme carries out including the automatic survey of herein below in master controller and expansion controller to each subgroup
Examination：Injection testing signal, result of the test is read, compared with expected results, test recovery；
4) test data sheet is generated：In process of the test it is all operation be recorded in daily record, including test operation record and
Logging；
(2) printer
Printer is connected with host computer by network connecting media, for printing test data sheet；
(3) interchanger
The functional module of interchanger is photoelectric conversion module, by interchanger by host computer and the master controller of 14 subgroups
It is connected with each other by network connecting media, realizes the signal exchange between the master controller of host computer and 14 subgroups.
Further, the digitalized I＆C system logic function experiment dress of a kind of PWR nuclear power plant core as described above
Put, the communication between the master controller of host computer and 14 subgroups uses special communication protocol, it is real by the special communication protocol
Now to the universal class type Variable Control of the digitalized control system of core, and the master controller of automatic imitation subgroup is obtained on the apparatus
Field instrument signal；By running the script on the device with reference to above-mentioned special communication protocol, the master to 14 subgroups is realized
The control of signal and result of the test are compared in controller.
Further, the digitalized I＆C system logic function experiment dress of a kind of PWR nuclear power plant core as described above
Put, network connecting media uses one kind in optical fiber, netting twine.
In the case where not using technology path described in this patent, the implementation of KCS logic functions experiment needs to be artificially injected
Analog signalses, artificially collect feedback signal and carry out artificial contrast, at least need six engineers and six engineer stations same
When work, experiment window at least need one week, manpower and time cost are higher, and automatization level is low.It is special that this patent is referred to
Resource needed for experiment is engineer, an a set of Special testing device, and the duration needed for completing whole logic tests is only one day.
The remarkable result of technical solution of the present invention is：
(1) signal injection and signal acquisition are realized using communications protocol.When controller is under programming mode, special examination
Experiment device can conduct interviews and force to all types of variables in TRICON controllers, the injection of stimulus and
The collection of result of the test is concentrated on an experiment special purpose computer, is realized being automatically injected for stimulus, is simplified device.
(2) apparatus structure based on network communication mode is used.Special testing device is connect before execution logic function test
Enter KCS, the communication that Special testing device and KCS are disconnected after the completion of experiment is connected.Also, net when experimental network is with normal operation
Network is relatively independent, uses independent communication fastener, it is ensured that KCS security.
(3) Testing Software interface is simple, it is readable strong to test script, can fully evade the people of routine test introducing because losing
Miss risk.By using experiment script, realize the automatic decision of result of the test, it is ensured that logic function experiment can automatically,
It is convenient, be effectively carried out, liberated substantial amounts of manpower and time.
(4) KCS internal logic and hardwire connection is demonstrated completely, it is ensured that KCS availability.
Brief description of the drawings
Fig. 1 is KCS function test Special testing device connection diagrams；
Fig. 2 is KCS logic function experiment process figures.
In figure：1- host computers；2- printers；3- interchangers；Master controller in 4- passages；Master controller in 5- row.
Embodiment
Technical solution of the present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of digitalized I＆C system logic function experimental rig of PWR nuclear power plant core, the presurized water reactor
The digitalized I＆C system logic function experimental rig of nuclear power plant's core is applied in the digitalized control system of core, and core is digitalized
Control system is divided into four passages for participating in Reactor trip signal transacting, and each passage is respectively containing two shutdown subgroups；And participate in
Two row of Engineered safety feature actuation, each row include two ad hoc logical process subgroups and ad hoc data processing
Group；
Aforementioned four passage and two row are divided by function as 14 subgroups, if each subgroup by a master controller and
It is dry to expand controller composition；The communication between communication and subgroup in each subgroup is realized in the form of hardwire and optical fiber；
It is characterized in that：The digitalized I＆C system logic function experimental rig of the PWR nuclear power plant core is comprising upper
Machine, interchanger, printer, network connecting media；
(1) function of host computer includes following aspect：
1) man-machine interface is provided：Selection needs to carry out the subgroup object of logic test experiment, monitoring experiment progress, tried
Test result；
2) experiment primary condition is set up：Systems inspection and initial operating mode are set up before experiment；
3) relay protective scheme carries out including the automatic survey of herein below in master controller and expansion controller to each subgroup
Examination：Injection testing signal, result of the test is read, compared with expected results, test recovery；
4) test data sheet is generated：In process of the test it is all operation be recorded in daily record, including test operation record and
Logging；
Communication between host computer and the master controller of 14 subgroups uses special communication protocol, is assisted by the special communication
View realizes the universal class type Variable Control to the digitalized control system of core, and the master controller of automatic imitation subgroup on the apparatus
The field instrument signal of acquisition；By running the script on the device with reference to above-mentioned special communication protocol, realize to 14 subgroups
Master controller in signal control and result of the test compare.
(2) printer
Printer is connected with host computer by network connecting media, for printing test data sheet；
(3) interchanger
The functional module of interchanger is photoelectric conversion module, by interchanger by host computer and the master controller of 14 subgroups
It is connected with each other by network connecting media, realizes the signal exchange between the master controller of host computer and 14 subgroups.
(4) network connecting media
Network connecting media uses one kind in optical fiber, netting twine.
Corresponding scripts are selected at human-computer interaction interface interface, the experiment of a control system is once only carried out.It is logical to protect
Exemplified by the control system (abbreviation CH11) of one passage subgroup of road one, logic function experiment process figure as shown in Fig. 2 main thought such as
Under：
1) system mode automation inspection before testing：By the way that controller to be switched to " PROGRAME " pattern, runtime
Script is checked, by the variate-value in reading system, is compared with experiment primary condition value, test bar is met if consistent
Part, carries out next step；Otherwise report an error and point out to be unsatisfactory for the variable of experimental condition.Operating personnel can be unsatisfactory for experiment to prompting
The variable of condition is verified, handled, until experimental condition is met.
2) key initialization trystate：By running initializtion script, after the initializtion script is performed, two are can be achieved
Function：One is the output signal in locking controller, it is ensured that in whole process of the test, will not false triggering protection signal, cause peace
Full level device damage；Two be that the relevant variable value that will test automated is set to particular state, meets the first of follow-up test signal
Beginning demand；
3) automation and optionally execution experiment script：Divided according to the function of protection system, for single subgroup,
Work out some function test scripts；Execution pattern can be divided to two kinds：One kind is individual feature experiment in subgroup；One kind is optional function
Experiment, by clicking on the experiment script for selecting to need in client, it is possible to achieve multiple in subgroup or repertoire script checking；
4) process of the test is controlled：By taking multiple function test scripts in subgroup as an example, in process of the test, host computer automation fortune
This is traveled far and wide, and correlated variables, the collection result of the test of automation are changed by communication signal, and is compared with desired value, such as
Experiment passes through, then points out the script to run successfully, and the reset signal of software automation carries out next group of function to original state
Script is tested；Such as in certain group function test scenario process, result of the test is incorrect, then termination test, and restores the system to
, there is abnormal signal while providing in original state in process of the test.The form for the recording log files note of whole process of the test
Record, process of the test and failure cause are analyzed for testing crew；
5) the carry out system recovery of automation：After off-test, script is recovered by runtime, in recovery controller by
The signal block produced in initialization, the state that signal condition all in controller is returned to before experiment.
6) the corresponding all script implementing results of a subgroup are that " passing through " to represent the experiment of current subgroup logic function logical
Cross.14 subgroup logic function experiments are by representing the experiment completion of KCS logic functions.Result of the test can be beaten according to regulation form
Print output, is achieved as a part for test report file.
The present apparatus is tested for the digitalized I＆C system of PWR nuclear power plant core (KCS systems) logic function, experiment dress
Put and use communication modes, reliability is high, process of the test automaticity is high, can fast and effectively judge KCS reliability, visit
Failure and check protection system performability are surveyed, unit safety stable operation is ensured.
The present apparatus is simple to operate, need to only connect device and KCS interchanger, corresponding scripts be performed successively, program just may be used
Automatic perform detection.Output signal in detection process in controller is all blocked, and will not cause system malfunction, security
It is high.If journal file can be automatically generated by being pinpointed the problems in detection process, engineer is facilitated to carry out real-time malfunction elimination, script is held
The state that signal after the completion of row in controller was automatically restored to before on-test.
The present apparatus can be brought directly to nuclear power station working site to carry the notebook computer of corresponding software, realize in overhaul
Period rapidly and accurately performs the experiment of KCS logic functions, shortens the overhaul duration, uses manpower and material resources sparingly.
The network when experimental network that the present apparatus is used normally is run with KCS is relatively independent, and experiment script is readable strong, can
Fully evade the additional risk that routine test is introduced to unit.
Claims (3)
1. a kind of digitalized I＆C system logic function experimental rig of PWR nuclear power plant core, the PWR nuclear power plant core series
Word I＆C system logic function experimental rig is applied in the digitalized control system of core, and the digitalized control system of core is divided into
Four passages of Reactor trip signal transacting are participated in, each passage is respectively containing two shutdown subgroups；And participate in engineered safeguards features
Two row of driving, each row include two ad hoc logical process subgroups and an ad hoc data processing subgroup；
Aforementioned four passage and two row are divided by function as 14 subgroups, and each subgroup is by a master controller and some opens up
Open up controller composition；The communication between communication and subgroup in each subgroup is realized in the form of hardwire and optical fiber；
It is characterized in that：The digitalized I＆C system logic function experimental rig of the PWR nuclear power plant core includes host computer, friendship
Change planes, printer, network connecting media；
(1) function of host computer includes following aspect：
1) man-machine interface is provided：Selection needs to carry out the subgroup object of logic test experiment, monitoring experiment progress, obtains experiment knot
Really；
2) experiment primary condition is set up：Systems inspection and initial operating mode are set up before experiment；
3) relay protective scheme carries out including the automatic test of herein below in master controller and expansion controller to each subgroup：Note
Enter stimulus, read result of the test, compared with expected results, test recovery；
4) test data sheet is generated：All operations are recorded in daily record in process of the test, including test operation record and experiment
As a result record；
(2) printer
Printer is connected with host computer by network connecting media, for printing test data sheet；
(3) interchanger
The functional module of interchanger is photoelectric conversion module, is passed through the master controller of host computer and 14 subgroups by interchanger
Network connecting media is connected with each other, and realizes the signal exchange between the master controller of host computer and 14 subgroups.
2. a kind of digitalized I＆C system logic function experimental rig of PWR nuclear power plant core as claimed in claim 1, its
It is characterised by：Communication between host computer and the master controller of 14 subgroups uses special communication protocol, passes through the special communication
Protocol realization is to the universal class type Variable Control of the digitalized control system of core, and the main control of automatic imitation subgroup on the apparatus
The field instrument signal that device is obtained；By running the script on the device with reference to above-mentioned special communication protocol, realize to 14 sons
The control of signal and result of the test are compared in the master controller of group.
3. a kind of digitalized I＆C system logic function experimental rig of PWR nuclear power plant core as claimed in claim 1, its
It is characterised by：Network connecting media uses one kind in optical fiber, netting twine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710212672.2A CN107291062B (en) | 2017-04-01 | 2017-04-01 | Logic function test device for nuclear-level digital instrument control system of pressurized water reactor nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710212672.2A CN107291062B (en) | 2017-04-01 | 2017-04-01 | Logic function test device for nuclear-level digital instrument control system of pressurized water reactor nuclear power plant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107291062A true CN107291062A (en) | 2017-10-24 |
| CN107291062B CN107291062B (en) | 2023-10-20 |
Family
ID=60093905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710212672.2A Active CN107291062B (en) | 2017-04-01 | 2017-04-01 | Logic function test device for nuclear-level digital instrument control system of pressurized water reactor nuclear power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107291062B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884672A (en) * | 2017-10-30 | 2018-04-06 | 福建福清核电有限公司 | A kind of routine test method of nuclear power plant's reactor protection system link circuit |
| CN110688297A (en) * | 2019-02-25 | 2020-01-14 | 上海核工程研究设计院有限公司 | Automatic test method for computational logic configuration |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11112658A (en) * | 1997-09-30 | 1999-04-23 | Fujitsu Ltd | Method and system for controlling test of exchange |
| CN1265220A (en) * | 1997-06-06 | 2000-08-30 | Abb燃烧工程核力公司 | Digital engineered safety features actuation system |
| US20100144383A1 (en) * | 2008-10-29 | 2010-06-10 | Berger Thomas R | Managing and monitoring emergency services sector resources |
| CN101877250A (en) * | 2010-05-31 | 2010-11-03 | 中国核动力研究设计院 | Rod position processing device of nuclear power station control rod based on PLC (Programmable Logic Controller) platform |
| CN103324676A (en) * | 2013-05-27 | 2013-09-25 | 中国核电工程有限公司 | Routine test upstream file designing method for nuclear power plant |
| CN104240781A (en) * | 2013-11-07 | 2014-12-24 | 中广核工程有限公司 | Signal distribution method and signal distribution system of digital instrument control system (DCS) of nuclear power plant |
| CN204101911U (en) * | 2014-07-07 | 2015-01-14 | 北京广利核***工程有限公司 | A kind of maintenance system for nuclear safe level digitizer Ore-controlling Role equipment |
| CN104898638A (en) * | 2015-03-30 | 2015-09-09 | 北京广利核***工程有限公司 | Periodic test device for pressurized water reactor nuclear power plant protection system |
| CN106340332A (en) * | 2016-10-13 | 2017-01-18 | 中广核工程有限公司 | Nuclear power station digital protection control system |
| CN106411870A (en) * | 2016-09-20 | 2017-02-15 | 中国核动力研究设计院 | Digital reactivity meter |
| CN106405277A (en) * | 2016-08-26 | 2017-02-15 | 北京广利核***工程有限公司 | Test device of main processing unit of nuclear power station protection system and test method |
-
2017
- 2017-04-01 CN CN201710212672.2A patent/CN107291062B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1265220A (en) * | 1997-06-06 | 2000-08-30 | Abb燃烧工程核力公司 | Digital engineered safety features actuation system |
| JPH11112658A (en) * | 1997-09-30 | 1999-04-23 | Fujitsu Ltd | Method and system for controlling test of exchange |
| US20100144383A1 (en) * | 2008-10-29 | 2010-06-10 | Berger Thomas R | Managing and monitoring emergency services sector resources |
| CN101877250A (en) * | 2010-05-31 | 2010-11-03 | 中国核动力研究设计院 | Rod position processing device of nuclear power station control rod based on PLC (Programmable Logic Controller) platform |
| CN103324676A (en) * | 2013-05-27 | 2013-09-25 | 中国核电工程有限公司 | Routine test upstream file designing method for nuclear power plant |
| CN104240781A (en) * | 2013-11-07 | 2014-12-24 | 中广核工程有限公司 | Signal distribution method and signal distribution system of digital instrument control system (DCS) of nuclear power plant |
| CN204101911U (en) * | 2014-07-07 | 2015-01-14 | 北京广利核***工程有限公司 | A kind of maintenance system for nuclear safe level digitizer Ore-controlling Role equipment |
| CN104898638A (en) * | 2015-03-30 | 2015-09-09 | 北京广利核***工程有限公司 | Periodic test device for pressurized water reactor nuclear power plant protection system |
| CN106405277A (en) * | 2016-08-26 | 2017-02-15 | 北京广利核***工程有限公司 | Test device of main processing unit of nuclear power station protection system and test method |
| CN106411870A (en) * | 2016-09-20 | 2017-02-15 | 中国核动力研究设计院 | Digital reactivity meter |
| CN106340332A (en) * | 2016-10-13 | 2017-01-18 | 中广核工程有限公司 | Nuclear power station digital protection control system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884672A (en) * | 2017-10-30 | 2018-04-06 | 福建福清核电有限公司 | A kind of routine test method of nuclear power plant's reactor protection system link circuit |
| CN110688297A (en) * | 2019-02-25 | 2020-01-14 | 上海核工程研究设计院有限公司 | Automatic test method for computational logic configuration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107291062B (en) | 2023-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106569477A (en) | Pressurized water reactor nuclear power plant nuclear-grade digital instrument control system logical function test device | |
| Kuhn et al. | An investigation of the applicability of design of experiments to software testing | |
| CN107423181A (en) | The automated testing method and device of a kind of uniform storage device | |
| CN102141962A (en) | Safety distributed test framework system and test method thereof | |
| CN106802862A (en) | Train operation control system security critical software automatically testing platform | |
| CN102682229A (en) | Malicious code behavior detection method based on virtualization technology | |
| CN106546278B (en) | Verify the statistical test device and method of nuclear safe level instrument control platform safety crash rate | |
| CN102571498A (en) | Fault injection control method and device | |
| CN108334447A (en) | A kind of system and method for test processes computer software exception | |
| CN107291062A (en) | A kind of digitalized I＆C system logic function experimental rig of PWR nuclear power plant core | |
| CN103970121A (en) | Distributed automatic test framework system for satellites | |
| CN111444056A (en) | Simulation test system and test method for safety-level DCS (distributed control System) of nuclear power station | |
| Picoco et al. | A framework for verifying Dynamic Probabilistic Risk Assessment models | |
| Izquierdo et al. | SCAIS (simulation code system for integrated safety assessment): current status and applications | |
| KR100909762B1 (en) | Test apparatus and control method of digital reactor protection system | |
| CN107241241A (en) | A kind of Network records analytical equipment performance test methods | |
| Lee et al. | PSA model with consideration of the effect of fault-tolerant techniques in digital I&C systems | |
| CN108682467B (en) | Operation maintenance method for nuclear-grade digital instrument control system of pressurized water reactor nuclear power plant | |
| Authén et al. | Guidelines for reliability analysis of digital systems in PSA context–Final Report | |
| Sung et al. | An interaction testing technique between hardware and software in embedded systems | |
| CN111800296B (en) | Method, system, equipment and storage medium for capturing and analyzing network data of real-time system | |
| CN108154943A (en) | Nuclear power plant reactor protection system at regular intervals experiment T2 test methods | |
| Xu et al. | Modeling and analysing operation processes for dependability | |
| CN115494525B (en) | White box type ground parallel diagnosis system and method for satellite on-orbit fault | |
| Shin et al. | PSA modeling method for a safety critical DI&C system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |