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Software test system and method for digital reactor protection system of nuclear power plant

A technology for reactor protection and system software, applied in the field of nuclear power, can solve the problems of limited test automation, single test path, low parameter value coverage, etc., and achieve the effect of automatic generation and full coverage.

Active Publication Date: 2017-12-15
CHINA NUCLEAR POWER DESIGN COMPANY +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the problems of low parameter value coverage, single test path, low test case generation efficiency and reuse rate, and limited test automation degree existing in the test of nuclear power plant digital reactor protection system software in the prior art. The nuclear power plant digital reactor protection system software testing system and method make the occurrence of test content have the random characteristics of the operation profile, and through the operation parameter generation module, the value range of the parameter is fully covered, so as to realize the control of the operating state of the nuclear power plant by the test environment full simulation

Method used

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  • Software test system and method for digital reactor protection system of nuclear power plant
  • Software test system and method for digital reactor protection system of nuclear power plant
  • Software test system and method for digital reactor protection system of nuclear power plant

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Embodiment 1

[0055] Such as figure 1 As shown, the nuclear power plant digital reactor protection system software testing system provided by the present invention includes: a probability distribution component 1, which is used to distribute the probabilities of multiple selection modules of the parameter generation component 2 through calculation, and is used to assign each The branch selection of the next step of the selection module is selected to carry out probability distribution; the parameter generation component 2 includes a plurality of selection modules and is respectively connected with part of the probability distribution component 1, and is used to assign components according to the probability in each round 1, select the test working conditions, test equipment, trigger conditions, test channels and input parameters, and generate the expected value of each round of testing according to the corresponding operating test equipment; the data analysis component 3 is connected with th...

Embodiment 2

[0063] Such as Figure 4 As shown, Embodiment 2 of the present invention provides a method for testing software of a nuclear power plant digital reactor protection system, including the following steps:

[0064] S1. Probabilities are assigned to multiple branch steps in step S2 by calculation, and the branch steps selected in this round are determined;

[0065] S2. Select the test working conditions, trigger conditions and test channels, and generate the expected value and operating parameter value of each round of testing according to the corresponding operating parameter interval;

[0066] S3. Analyzing and comparing the expected value and the operating parameter value of each round, customizing statistics and exporting the test results of each round.

Embodiment 3

[0068] Such as Figure 5 As shown, the step S1 includes:

[0069] S11. When the test is started, allocate and determine the branch probability and algorithm in the step S2, specifically determine the probability algorithm and branch probability (%) of the branch step in the step S2.

[0070] S12. Perform calculation according to the probability and algorithm allocated in step S11, and confirm the branch to be selected in this round.

[0071] Specifically, the step S2 includes:

[0072] S21. Select the working conditions to be tested in this round from the preset nuclear power plant working conditions;

[0073] S22. Among the various protective equipment or actions under the selected working conditions, select the equipment or actions that need to be tested in this round;

[0074] S23. Select the trigger condition to be tested in this round from the preset trigger conditions under the selected working conditions;

[0075] S24. Select a trigger channel for this round of test...

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Abstract

The invention discloses a software test system and method for a digital reactor protection system of a nuclear power plant. The system includes a probability distribution assembly, a parameter generation assembly and a data analysis assembly; the probability distribution assembly is used for conducting probability distribution on multiple selection modules of a parameter generation module and conducting probability distribution on the next branch selection step of each selection module; the parameter generation assembly includes the selection modules, and is connected with a part of the probability distribution assembly and used for generating the expectation value and the operation parameter value of each round of test; the data analysis assembly is connected with the parameter generation assembly, used for conducting analysis and comparison on the expectation value and the operation parameter value of each round of test, and the test results of multiple rounds of tests are counted up and led out in a user-defined mode. The provided software test system and method for the digital reactor protection system of the nuclear power plant have the random characteristics of an operational profile, comprehensively covers the range of parameters, and makes the operation state of the nuclear power plant fully simulated in a test environment.

Description

technical field [0001] The invention relates to the technical field of nuclear power, in particular to a software testing system and method for a digital reactor protection system of a nuclear power plant. Background technique [0002] The reactor protection system of the nuclear power plant is an important system to ensure the safe operation of the nuclear power plant and prevent radioactive leakage. The state of the reactor exceeds the specified safety limit or mitigates the damage caused by exceeding the safety limit. Therefore, the reliability test of the reactor protection system software of the nuclear power plant is very important. [0003] The reliability test of the nuclear power plant reactor protection system software should fully cover and test the test parameter value range and logical combination path with a large number of test cases, obtain a large number of test samples for analysis, and the test design should simulate the random characteristics of the opera...

Claims

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Application Information

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IPC IPC(8): G06F11/36
CPCG06F11/3688G06F11/3692
Inventor 席望白涛陈卫华谷鹏飞刘伟叶王平王升超何亚南梁慧慧唐建中凡阳阳熊伟张超
Owner CHINA NUCLEAR POWER DESIGN COMPANY
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