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Functional testing device, control server and method for distributed control system

A distributed control and control server technology, applied in the direction of electrical testing/monitoring, etc., can solve the problems of the test device being unable to complete the operation and check the status, high test cost, heavy work, etc., to achieve the effect of convenient function test and improved test efficiency

Active Publication Date: 2019-07-19
CHINA TECHENERGY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned functional testing of the distributed control system using the test device has the following disadvantages: on the one hand, the distributed control system contains tens of thousands of execution devices, and it will inevitably cause heavy work when connecting the execution device or the field control station to the test device. and may require multiple test fixtures, therefore, higher testing costs
On the other hand, in the process of functional testing, the test device cannot complete operations and view status on the control server in the management level network, but can only be completed by the control server
Testers need to assign the input data of the execution device on the test device, and also need to perform command operations and view status on the control server, which makes the test efficiency low

Method used

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  • Functional testing device, control server and method for distributed control system
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  • Functional testing device, control server and method for distributed control system

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Experimental program
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Embodiment 1

[0034] figure 2 It is a schematic structural diagram showing the function test system of the distributed control system according to Embodiment 1 of the present invention.

[0035] refer to figure 2 , the function test system of the distributed control system may include the distributed control system and the function test equipment of the distributed control system, and the distributed control system includes one or more control servers and one or more field control stations, and multiple execution device ( figure 2 not shown in ), etc., the execution equipment may be, for example, switch equipment, communication equipment and sensors. The functional testing equipment is connected to one or more control servers through the management level network of the distributed control system, and the one or more control servers are connected to one or more field control stations through the system level network. One field control station controls one or more execution devices. Th...

Embodiment 2

[0052] Figure 6 It is a flow chart showing the function testing method of the distributed control system according to the second embodiment of the present invention. by including as image 3 The shown functional test equipment performs the method. Among them, the location of functional test equipment in the distributed control system can be found in figure 2 ,based on figure 2 The functional testing system of the distributed control system is used to illustrate the functional testing method of the distributed control system according to the second embodiment of the present invention. The distributed control system in the embodiment of the present invention is described in detail by taking the DCS (Distributed Control System) control system as an example, and the processing of other distributed control systems may be the same or similar, and will not be repeated here.

[0053] refer to Figure 6 , in step S610, obtain a test case including a plurality of test step data,...

Embodiment 3

[0074] Figure 7 It is a flow chart showing the function testing method of the distributed control system according to Embodiment 3 of the present invention, and the embodiment can be regarded as Figure 6 Another specific implementation scheme of .

[0075] refer to Figure 7 , in step S710, obtain a test case including a plurality of test step data, the test step data includes step sequence number, execution operation, execution device, input data and expected output result data.

[0076] Wherein, the step content of the above-mentioned step S710 is the same as that of the step S610 in the first embodiment above, and will not be repeated here.

[0077] In step S720, a predetermined number of test arrays are determined according to the expected output result data and input data in each of the test step data.

[0078] Among the predetermined number of test arrays, one or more test arrays can be set according to actual conditions.

[0079] In implementation, in order to fac...

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Abstract

An embodiment of the invention provides function testing equipment, a control server and a function testing method of a distributed control system. The function testing equipment is in communication connection with one or a plurality of control servers through a management-grade network of the distributed control system. The function testing equipment comprises the components of a test case acquiring unit which is used for acquiring a test case that comprises testing step data; an execution instruction generating unit which is used for generating an execution instruction according to an execution operation and input data in the testing step data for each package of testing step data; an execution instruction execution unit which is used for transmitting the execution instruction that is generated by the execution instruction generating unit to the control server and receiving an execution result of the execution instruction from the control server; and a testing result determining unit which is used for determining the testing result of the execution instruction according to the execution result of the execution result received by the execution instruction execution unit and an anticipated output result of the execution instruction. The function testing equipment, the control server and the function testing method of the distributed control system can save a wire between execution equipment and a testing device in prior art.

Description

technical field [0001] The invention relates to distributed control technology, in particular to a function testing device, control server and method of a distributed control system. Background technique [0002] In the field of nuclear power plant control, the implementation of process system control logic is a key task for the automatic and safe operation of the distributed control system (DCS (Distributed Control System) control system). It is particularly important to verify the correctness of the control logic in the testing phase. [0003] Currently, if figure 1 As shown, in the function test, a test device is connected to the on-site control station or execution equipment, and the test device is connected to the control server in the distributed control system through a cable. The test device simulates the execution device (such as a sensor) to send a signal, and the signal is transmitted to the control server through the cable. The test device receives the executi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B23/02
CPCG05B23/02
Inventor 王立刚江国进白涛赵潮涌朱郁毛新民肖红国孟庆军潘海波李俊卿蔡亚伟林宗艺张登超
Owner CHINA TECHENERGY
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