CN106774245B - Nuclear power station security level I &C equipment channel stability automatization test system and method - Google Patents

Nuclear power station security level I &C equipment channel stability automatization test system and method Download PDF

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Publication number
CN106774245B
CN106774245B CN201611108720.5A CN201611108720A CN106774245B CN 106774245 B CN106774245 B CN 106774245B CN 201611108720 A CN201611108720 A CN 201611108720A CN 106774245 B CN106774245 B CN 106774245B
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test
data
module
equipment
stability
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CN106774245A (en
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吴飞
孟广国
龙威
冀建伟
宋立新
江国进
白涛
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China General Nuclear Power Corp
China Techenergy Co Ltd
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China General Nuclear Power Corp
China Techenergy Co Ltd
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00Testing or monitoring of control systems or parts thereof
    • G05B23/02Electric testing or monitoring
    • G05B23/0205Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0208Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
    • G05B23/0213Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/24Pc safety
    • G05B2219/24065Real time diagnostics

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

The present invention provides a kind of nuclear power station security level I &C equipment channel stability automatization test system and method, the system comprises host computer, the test equipment based on FPGA and the data-interface conditioning module based on FPGA, the test equipment is connect by the data-interface conditioning module with measurand.Configuration parameter is handed down to the test data sending module based on FPGA by host computer by way of parametrization, test data sending module generates test data according to configuration parameter, driving data interface conditioning module exports actual test signal, the signal acquisition that equipment under test exports is returned by data-interface conditioning module again, and it is modulated into digital signal, test result comparison module of the input based on FPGA is compared the data of recycling, comparison result is uploaded to host computer in real time, channel data comparative analysis result is analyzed by upper computer software, for judging whether equipment under test channel stability exceeds preset range.

Description

Nuclear power station security level I &C equipment channel stability automatization test system and method
Technical field
The present invention relates to nuclear powers to digitize instrument control systems technology field, particularly relates to a kind of nuclear power station security level I &C equipment Channel stability automatization test system and method.
Background technique
Control as nuclear plant digital I&C system domesticizes the expansion of work comprehensively, in nuclear safe level I&C system The movable importance of device channels stability test is self-evident.Meet professional standard, provisions of laws and regulations to greatest extent, and The accuracy and confidence level and automatic test degree for improving test as far as possible, become the important class that related practitioner faces Topic.
The test of traditional equipment channel stability generallys use artificial calculating channel stability numerical value, takes its maximum value conduct Channel stability test data judge device channels Stability index according to test criteria.
But the drawbacks of time of influence due to to(for) device channels stability and manual testing, traditional test can not have Effect and the performance for accurately measuring nuclear power station security level device channels stability.
Influence of the drift to channel stability when not considering, applied to the test of Nuclear safety related equipment channel performance then will appear with Lower problem:
Firstly, Nuclear safety related equipment channel stability needs to meet certain nuclear safety requirement, when drift for nuclear safe level Device channels stability has a certain impact, and electronic component is with the variation of use and storage time, physically and electrically device Energy change with the time be can not ignore.Secondly, the test (considering environment, electromagnetism, human factor etc.) for Nuclear safety related equipment, Due to the physical property of test equipment itself, and manual testing is limited by body, psychological impact, using single and the short time survey The test result that method for testing obtains is difficult have higher convincingness.
In actual test active procedure in addition to requiring to take out accurate test data, it is also necessary to test equipment or test The credibility of data itself is proved.Therefore to reach standard safe against all possibilities, make the more convictive mesh of test result , it needs to find a set of effective method, improves test equipment to the credibility of stability of channel index.
Currently, nuclear power station security level I &C equipment is all independently developed special equipment, in order to reach nuclear power station security level The channel stability requirement of the index request of equipment, I &C equipment product is higher, therefore the requirement for product test is relatively high, passes Although the method for unified test examination can achieve the purpose that test, it is unable to satisfy timeliness and credible requirement, it is therefore necessary to Exploitation is directed to the special testing tool of nuclear power station security level device channels stability.
Summary of the invention
The purpose of the present invention is to the situations of the above-mentioned prior art, propose a kind of nuclear power station security level I &C equipment Channel stability automatization test system and method, to solve manual testing introducing error it is big, test result do not have compared with The problem of high convincingness.
The purpose of the present invention is achieved through the following technical solutions: a kind of nuclear power station security level I &C equipment channel is steady Surely automatization test system is spent, including host computer, the test equipment based on FPGA and the data-interface conditioning module based on FPGA, The test equipment is connect by the data-interface conditioning module with measurand;
The host computer is used for according to the measurand of selection to described in dress test parameter under the test equipment and reception The test result of test equipment feedback carries out stability calculating according to the test result, when the stability for judging measurand More than threshold value, automatic alarm;
The test equipment exports actual test signal to measurand for driving data interface conditioning module, passes through institute The signal for stating the acquisition measurand output of data-interface conditioning module, is modulated into digital signal, data and institute to the acquisition After stating lower dress test parameter comparison, comparison result is uploaded to the host computer in real time;
The data-interface conditioning module is used for the conversion of signal, output and acquisition.
Further, the host computer includes parameter setting module, memory module and analysis module, the parameter setting mould Block sends the parameters to the test data sending module for setting and the matched test parameter of measurand;It is described Memory module is for storing test parameter, measuring signal, comparing result data;The analysis module calls the memory module Data carry out stability calculating, and prompt unreasonable data in result.
Further, the test equipment includes test data sending module, test result comparison module;The test number After receiving the test parameter filled under the host computer according to sending module, sends corresponding digital signal and improved to the data-interface Module carries out the conversion of signal, and received test parameter is also sent to the test simultaneously and tied by the test data sending module Fruit comparison module;After the test result comparison module receives the measurand processing converted through the data-interface conditioning module Data, and with the test data sending module send test parameter processing is compared, comparison result is uploaded in real time The host computer.
Further, the parameter setting module, memory module and analysis module are set up based on Lab VIEW program 's.
Further, the host computer further includes monitoring module, the display for analysis result data and process data.
Further, the monitoring module is set up based on Lab VIEW program.
A kind of nuclear power station security level I &C equipment channel stability automated testing method, which is characterized in that including following Step:
S1: according to the measurand of selection, host computer setting with the matched test parameter of measurand and be handed down to test Equipment;
S2: test equipment driving data interface conditioning module exports actual test signal to measurand, then passes through data Interface conditioning module returns the signal acquisition that measurand exports, and is modulated into digital signal, and to the data of acquisition back with After test parameter is compared, comparison result is uploaded to host computer in real time and is stored;
S3: host computer calls the data of storage to carry out stability calculating, judges whether the channel stability of measurand surpasses Threshold value is crossed, normal range (NR) test terminates, if exceeding automatic alarm.
Further, in the step 2, test equipment generates test data according to test parameter, passes through test data Driving data interface conditioning module.
Further, the data of the storage include test parameter, measuring signal, comparing result.
The beneficial effects of the present invention are:
The present invention takes the test macro and method of automation, can be set to nuclear power station security level using this test macro more The stability of standby multichannel carries out prolonged tracking and testing, by draw the time plot of stability come drift when describing for The influence of device channels stability.The test equipment is using automatic running program, it can be achieved that complete automatic test, evades People participates in the risk of test, to reach the credibility and actual effect for effectively improving test.
Based on the channel stability test equipment of Lab VIEW technology by being combined with legacy hardware devices, makes the best use of the advantages and keep away It is short, it gives full play to Lab VIEW technical interface and enriches, handle simple and quick advantage.
Nuclear power station security level device channels Stability index, or even packet can be directed to using above-mentioned channel stability test system Validity test can be carried out by including channel precision measure.
With a high credibility: by the test equipment of automation, whole unmanned participation, multi-product multi-channel parallel test is improved Test sample point, using a variety of monitoring means, test result is with a high credibility.
It is high-efficient: can multi-product multi-channel parallel test, improve test sample point, effectively improve testing efficiency.
High degree of automation: the carry out long-time equipment test that can be automated by configuring device parameter, pilot process It does not need manually to participate in, test result automatically saves, and test result exceeds threshold value automatic alarm, can accomplish unattended.Automatically Comparing function can provide comprehensive " a by/failure " output.
Detailed description of the invention
Fig. 1 is a kind of architecture diagram of nuclear power station security level I &C equipment of the invention channel stability automatization test system.
Description of symbols: 1- host computer, 2- test equipment, 3- measurand, 4- data-interface conditioning module.
Specific embodiment
With reference to the accompanying drawing to a kind of nuclear power station security level I &C equipment of the invention channel stability automatization test system Be described further with method: examples are only for illustrating the present invention and not for limiting the scope of the present invention for this, this field skill Art personnel fall within the application range as defined in the appended claims to the modification of various equivalent forms of the invention.
As shown in Figure 1, being a kind of nuclear power station security level I &C equipment channel of the present invention stability automatic test System, the test equipment 2 including host computer 1, based on FPGA and the data-interface conditioning module 4 based on FPGA, the test are set Standby 2 are connect by the data-interface conditioning module 4 with measurand 3;
The host computer 1 is used for according to the measurand of selection to described in dress test parameter under the test equipment and reception The test result of test equipment feedback carries out stability calculating according to the test result, when the stability for judging measurand More than threshold value, automatic alarm;
The host computer 1 includes parameter setting module, memory module, analysis module and monitoring module, the parameter setting Module sends the parameters to the test data sending module for setting and the matched test parameter of measurand;Institute Memory module is stated for storing test parameter, measuring signal, comparing result data;The analysis module calls the memory module Data carry out stability calculating, and prompt unreasonable data in result;The monitoring module is used for analysis result data and mistake The display of number of passes evidence.
The parameter setting module, memory module, analysis module and monitoring module are set up based on Lab VIEW program 's.Lab VIEW program is run on host computer, have it is easy to operate, process data can real-time storage, test process can reappear The advantages that.
The test equipment exports actual test signal to measurand for driving data interface conditioning module, passes through institute The signal for stating the acquisition measurand output of data-interface conditioning module, is modulated into digital signal, data and institute to the acquisition After stating lower dress test parameter comparison, comparison result is uploaded to the host computer in real time;
The test equipment 2 includes test data sending module, test result comparison module, is set up based on FPGA;It is described After test data sending module receives the test parameter filled under the host computer, sends corresponding digital signal and connect to the data Mouth conditioning module carries out the conversion of signal, and received test parameter is also sent to described by the test data sending module simultaneously Test result comparison module;The test result comparison module receives the measurand converted through the data-interface conditioning module Data that treated, and processing is compared in the test parameter sent with the test data sending module, comparison result is real-time It is uploaded to the host computer.
The data-interface conditioning module 4 is used for the conversion of signal, output and acquisition, may be selected using conditioning board.
Automatization test system is mainly two parts, and a part is host computer, and another part is self-developed test equipment. Host computer is responsible for configuration parameter and result storage analysis, realizes that data are transmitted/received, compare and uploaded from test equipment is developed.
Wherein host computer operation module is set up based on Lab Vi ew program, and test equipment is set up based on FPGA.
Why dividing in this way is the time response low precision because of host computer itself, and doing test equipment with FPGA can carry out Parallel data transmitting-receiving, avoids host computer response accuracy difference and the few problem of data channel.But it is run on host computer simultaneously Lab VIEW is suitable for doing man-machine interface but also with easy to operate feature, is configured to test equipment.
A kind of nuclear power station security level I &C equipment channel stability automated testing method, comprising the following steps:
S1: according to the measurand of selection, parameter configuration module setting and the matched test of measurand of host computer are joined Count and be handed down to the test data sending module of test equipment;
S2: test equipment driving data interface conditioning module exports actual test signal to measurand, then passes through data Interface conditioning module returns the signal acquisition that measurand exports, and is modulated into digital signal, and to the data of acquisition back with After test parameter is compared, comparison result is uploaded to host computer in real time and is stored;
S3: the analysis module of host computer calls the data of memory module to carry out stability calculating, judges the logical of measurand Whether road stability is more than threshold value, and normal range (NR) test terminates, if exceeding automatic alarm.
In the step 2, test equipment generates test data according to test parameter, is connect by test data driving data Mouth conditioning module.
The data of the storage include test parameter, measuring signal, comparing result.
The analog data automatic test of 82 times of channel enlarging functions:
The data-interface in 1 piece of 8 channel of configuration improves board 4 first on hardware, is carried out respectively by parameter configuration module Being manually entered for device parameter configuration and data parameters set, configures 8 analog data sendaisles and 8 analog datas Receiving channel limits the function to output test data and threshold value;
Configured data parameters are transmitted to the test data sending module based on FPGA again, conditioned board is raw It is sent to measurand at the analog data for test, while measurand feedback is collected by the conditioning board of receiving end Measurement result back is converted into digital signal and is sent to the test result comparison module based on FPGA, sends mould with test data The test parameter that block issues compares, and whether the error calculated between input data and expected input data exceeds requirement specification The range required in book, process and result are exported to the memory module of host computer, are further analyzed through analysis module, are carried out steady Fixed degree calculates, and judges whether the channel stability of measurand is more than threshold value, and normal range (NR) test terminates, if beyond automatic report It is alert, final conclusion and process data are sent to monitoring module and shown.
The present invention is based on the channel stability test equipment of Lab VIEW technology to be combined by soft and hardware equipment, makes the best use of the advantages Keep away short, it is abundant to give full play to Lab VIEW technical interface, handles simple and quick advantage.
Lab VIEW software is run on PC, have it is easy to operate, process data can real-time storage, test process can reappear The advantages that.There is no limit again for the TCH test channel quantity of test equipment based on FPGA, precision is high.Using this system to measurand Each channel stability tested, prolonged data record can be carried out by computer, the data of storage be carried out horizontal To comparison (data between difference channel identical to logic compare), to observe the consistency of channel stability, and it is logical It crosses test multiple devices and carries out redundancy testing (testing the multiple or various dimensions that same channel carries out), to resist common cause fault. If tested channel does not meet the coherence request of stability, test equipment is by automatic alarm and records.

Claims (9)

1. a kind of nuclear power station security level I &C equipment channel stability automatization test system, which is characterized in that including host computer, Test equipment based on FPGA and the data-interface conditioning module based on FPGA, the test equipment pass through the data-interface tune Reason module is connect with measurand;
The host computer is for dress test parameter under the test equipment and receiving the test according to the measurand of selection The test result of equipment feedback carries out stability calculating according to the test result, when the stability for judging measurand is more than Threshold value, automatic alarm;
The test equipment exports actual test signal to measurand for driving data interface conditioning module, passes through the number According to the signal of interface conditioning module acquisition measurand output, be modulated into digital signal, to the data of the acquisition and it is described under After filling test parameter comparison, comparison result is uploaded to the host computer in real time;
The data-interface conditioning module is used for the conversion of signal, output and acquisition.
2. a kind of nuclear power station security level I &C equipment channel according to claim 1 stability automatization test system, It is characterized in that, the host computer includes parameter setting module, memory module and analysis module, and the parameter setting module is for setting Set with the matched test parameter of measurand, send the parameters to the test data sending module;The memory module For storing test parameter, measuring signal, comparing result data;The analysis module calls the data of the memory module to carry out Stability calculates, and prompts unreasonable data in result.
3. a kind of nuclear power station security level I &C equipment channel according to claim 1 stability automatization test system, It is characterized in that, the test equipment includes test data sending module, test result comparison module;The test data sends mould After block receives the test parameter filled under the host computer, sends corresponding digital signal and carried out to the data-interface conditioning module Received test parameter is also sent to the test result simultaneously and compares mould by the conversion of signal, the test data sending module Block;The test result comparison module receives the measurand that converts through the data-interface conditioning module treated data, And processing is compared in the test parameter sent with the test data sending module, comparison result is uploaded to described upper in real time Machine.
4. a kind of nuclear power station security level I &C equipment channel according to claim 2 stability automatization test system, It is characterized in that, the parameter setting module, memory module and analysis module, is set up based on Lab VIEW program.
5. a kind of nuclear power station security level I &C equipment channel according to claim 1 or 2 stability automatization test system, It is characterized in that, the host computer further includes monitoring module, the display for analysis result data and process data.
6. a kind of nuclear power station security level I &C equipment channel according to claim 5 stability automatization test system, It is characterized in that, the monitoring module is set up based on Lab VIEW program.
7. a kind of nuclear power station security level I &C equipment channel stability automated testing method, which is characterized in that including following step It is rapid:
S1: according to the measurand of selection, host computer setting with the matched test parameter of measurand and be handed down to test equipment;
S2: test equipment driving data interface conditioning module exports actual test signal to measurand, then passes through data-interface Conditioning module returns the signal acquisition that measurand exports, and is modulated into digital signal, and data and test to acquisition back After parameter is compared, comparison result is uploaded to host computer in real time and is stored;
S3: host computer calls the data of storage to carry out stability calculating, judges whether the channel stability of measurand is more than threshold Value, normal range (NR) test terminates, if exceeding automatic alarm.
8. a kind of nuclear power station security level I &C equipment channel according to claim 7 stability automated testing method, It is characterized in that, in the step S2, test equipment generates test data according to test parameter, passes through test data driving data Interface conditioning module.
9. a kind of nuclear power station security level I &C equipment channel according to claim 7 stability automated testing method, It is characterized in that, the data of the storage include test parameter, measuring signal, comparing result.
CN201611108720.5A 2016-12-06 2016-12-06 Nuclear power station security level I &C equipment channel stability automatization test system and method Active CN106774245B (en)

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CN110489319B (en) * 2018-05-15 2022-12-13 福建天晴数码有限公司 Interface performance test analysis method and storage medium
CN110855523B (en) * 2019-11-15 2021-08-27 北京广利核系统工程有限公司 Multi-channel response time automatic testing device and method
CN112783138B (en) * 2020-12-30 2022-03-22 上海交通大学 Intelligent monitoring and abnormity diagnosis method and device for processing stability of production line equipment

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