JPH08194522A - Simulation test device for process control computer - Google Patents

Abstract

PURPOSE: To improve the work efficiency for verification of the simulation test result by comparing the result obtained by processing the automatically generated simulation data with the data stored in an output file and deciding automatically the propriety of the simulation data. CONSTITUTION: An automatic simulation data generation device 11 automatically generates the simulation data after a simulation test is started and outputs the data to a computer 2. At the same time, the device 11 writes the simulation data into a simulation data file 17. A simulation data processing device 12 reads the simulation data out of the file 17 and processes the data based on a simulation data processing definition table 15 to write this processing result in a processing result file 18. A data propriety decision device 13 compares the data stored in the file 18 with the data stored in an output file 21 of the computer 2 based on a data propriety decision definition table 16 and decides the propriety of production of data on the computer 2 to write this decision result in a propriety decision result file 19. Then a result output device 14 edits the contents of both files 18 and 19 and outputs these edited contents to a CRT 3 or a printer 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simulation test device for a process control computer.

[0002]

2. Description of the Related Art When performing a simulation test of process control computer software, hundreds of
Thousands of process data need to be changed and input every moment. As a way to generate it automatically,
A method proposed in Japanese Patent Application Laid-Open No. 61-267802 for generating simulated data by using process data held in the past, and a method based on a previous value and elapsed time proposed in Japanese Patent Application Laid-Open No. 5-313732. There is a method of performing a predetermined calculation to generate simulated data.

[0003]

However, the conventional techniques have the following problems that it takes a very long time to verify the test results of the simulation test.

(A) Since the simulated data are automatically generated, it is difficult to understand at what time and what value these data were input to the process control computer.

(B) A human hand manually obtains the result of the correct answer to the input simulated data, and compares the value with the in-file data output by the process control computer to be tested to determine whether the result is acceptable or not. Therefore, the load of human manual work is high.

Therefore, it is an object of the present invention to solve the above problems and to greatly improve the efficiency of the simulation test result verification work of the process control computer.

[0007]

The present invention has been made to solve the above problems, and a simulation test is performed by generating and inputting simulated data of an image close to an actual plant to a process control computer. In the process control computer simulation test device, a simulated data automatic generation device that automatically generates simulated data,
A simulated data processing device that processes simulated data according to a predetermined calculation, and an output file data output as a processing result when the processing result and the output of the simulated data automatic generation device are input to a process control computer to be tested. A process control computer simulation characterized by comprising a data pass / fail determination device for automatically determining pass / fail of each data by comparing, and a result output device for editing and outputting a processing result and a data pass / fail determination result. It is a test device.

[0008]

Operation and Embodiments The operation and embodiments of the present invention will be described below. FIG. 1 is a block diagram showing the system configuration of an embodiment of the present invention. In the figure, 1 is a process control computer simulation test device, 2 is a process control computer and software (test target), and 3 is a CR.
T and 4 are printers. The process control computer simulation test apparatus 1 has the following configuration. Reference numeral 11 denotes a simulated data automatic generator, which internally starts a test by defining a simulated scenario in the form of a message or voltage signal (hereinafter referred to as a signal) and a test scenario that defines the timing for generating the simulated data. Simulated data is automatically generated according to the post-test scenario, output to the process control computer 2, and the simulated data is also written to the simulated data file 17.

A simulated data processing device 12 reads data from the simulated data file 17, processes the simulated data in accordance with the simulated data processing definition table 15, and writes the processed data in the processed result file 18. Reference numeral 13 is a data pass / fail judgment device, which compares the data of the processing result file 18 and the data of the output file 21 of the process control computer 2 according to the data pass / fail judgment definition table 16 to see if the process control computer is creating good data. Whether or not it is determined is written, and the determination result is written in the pass / fail determination result file 19.

A result output device 14 edits the contents of the processing result file 18 and the pass / fail judgment result file 19,
Output to CRT 3 or printer 4.

The operation of this embodiment having the above configuration will be described with reference to FIG. As shown in FIG. 2, the simulated data processing definition table 15 includes the time division No. , Start time, end time, message / signal No. , Message / Signal data No. , Which is composed of a write destination start address and is input from the CRT 3 in advance. Similarly, the data judgment pass / fail table is shown in FIG.
o. , Output file No. , Output file address,
It is composed of the address in the processing result file and the acceptance condition, and is input from the CRT 3 in advance.

FIG. 4 shows a processing flow of the simulated data automatic generation device 11 and the simulated data processing device 12. At 101, first, the test start is started from the CRT. Then, in the simulated data automatic generation device, first, according to the test scenario, the self-timer activates itself at the time when the next message / signal is generated. Next, at 103, a simulated message / signal to be generated this time is created, at 104 it is output to a process control computer, and at the same time, at 105, it is written in a simulated data file. The simulated data file is the message /
Signal No. , It consists of data in the message / signal, and when the subsequent processing refers to this file, it is possible to recognize which message or signal. Thereafter, in the simulated data processing device, first, at 106, the current CPU time is fetched, and at 108, it is determined whether or not the current time belongs to the time segment i (i = 1 to N) defined in the simulated data processing definition table. If it belongs, the message / signal No. in the simulated data processing definition table is checked at 109. And message / data in signal No. For each data defined in, the cumulative value within the time segment, the cumulative number within the time segment, the average value within the time segment, the maximum value within the time segment, and the minimum value within the time segment are obtained. The result is written to the processing result file according to the write start address. The structure of the processing result file is as shown in FIG. The processing of 106 to 108 is repeated N times as many times as the number of sections defined in the simulated data processing definition table as shown in 107. Once the test is started, the self-timer is started at 102, so this flow is automatically repeated until all the test scenarios are completed.

Next, FIG. 7 shows a processing flow of the data pass / fail judgment device 13 and the result output device 14. This process is activated by the CRT 3 at an arbitrary timing, as indicated by 201. When started, the output file 21 is loaded from the process control computer 2 by file transfer at 202. The file to be imported is defined in the data judgment pass / fail table. Next, at 203, import the processing result file,
Output file N of data judgment pass / fail table at 204
o. , The data defined by the address in the output file and the data defined by the address in the processing result file are compared, and it is judged whether the data in the output file is within the acceptance condition. If it is acceptable, it is set to 0 and is written in the pass / fail judgment result file shown in FIG. 8 together with other information. The pass / fail judgment formula is as follows.

(A−B) / B × 100 ≦ C (1) A: Output file data B: Processing result file data C: Pass condition Next, at 205, information of the processing result file and the pass / fail judgment result file. Is edited according to the CRT display format and the printer print format, and at 206, the display on the CRT 3 and the printing on the printer 4 are performed.

As a result, the efficiency of the result verification work in the simulation test is greatly improved. For example, in a blast furnace control computer in the steel industry, humans had to check one by one each time a simulation test was performed to check whether thousands of process data were processed correctly. About 2/3 of the data could be automatically passed / failed, and even for data that could not be automatically passed / failed, the simulated data processing information could be referenced and used for result verification. From the above, the result verification work can be reduced to about half the work load of the conventional method, leading to improved software productivity. Furthermore, it is highly efficient in that the data to be processed and the data for pass / fail judgment can be easily changed, added, and deleted by simply rewriting the information in the simulated data analysis definition file and the data judgment pass / fail table.

[0016]

According to the present invention, a process control computer simulation test apparatus for performing a simulation test by generating and inputting simulated data of an image close to an actual plant to a process control computer,
The pass / fail of each data is automatically judged by comparing the processing result obtained by processing the automatically generated simulated data according to a predetermined calculation with the data in the output file which is the processing result of the process control computer. In addition to being able to do so, it is possible to make a person who tests a value close to the correct value refer to the unsuccessful data, so that the test result verification work can be significantly streamlined. This improves the productivity of software development.

[Brief description of drawings]

FIG. 1 is a block diagram showing a functional configuration of an embodiment of the present invention.

FIG. 2 is a simulation data processing definition table 15 shown in FIG.
4 is a chart showing the configuration of data stored in the table.

FIG. 3 is a data pass / fail judgment definition table 16 shown in FIG.
4 is a chart showing the configuration of data stored in the table.

4 is a flowchart showing the processing operation of the simulated data automatic generation device 11 and the simulated data processing device 12 shown in FIG.
It is

5 is a table showing a configuration of data stored in a simulated data file 17 shown in FIG.

6 is a chart showing a configuration of data stored in a processing result file 18 shown in FIG.

7 is a flowchart showing the processing operation of the data pass / fail judgment device 13 and the result output device 14 shown in FIG.

8 is a chart showing a configuration of data stored in a pass / fail judgment result file 19 shown in FIG. 1. FIG.

[Explanation of symbols]

1: Process control computer simulation test device 2: Process control computer and software (test target) 3: CRT 4: Printer 11: Simulated data automatic generation device 12: Simulated data processing device 13: Data pass / fail judgment device 14: Result output Device 15: Simulated data processing definition table 16: Data pass / fail judgment definition table 17: Simulated data file 18: Processing result file 19: Pass / fail judgment result file 21: Output file 101: Startup process from CRT 102: Own of a scenario Timer activation processing 103: Simulation message / signal creation processing 104: Message / signal output processing to process control computer 105: Simulation data file writing processing 106: CPU time acquisition processing 107: i = 1 to N Repeated processing with (N = number of time divisions 108: Processing for determining whether or not the current time belongs to time segment i 109: Calculation of each analysis item and processing for writing to a specified address 201: Startup processing from CRT 202: Output from process control computer File N
o. Importing process 203: Data importing process from processing result file 204: Judgment according to pass judgment condition and writing result to pass / fail judgment result file 205: Importing of processing result file and pass / fail judgment result file, and CRT display / Editing process according to printer print format 206: CRT display / printer print process

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Claims (1)

[Claims] 1. A simulated data automatic generation device for automatically generating simulated data in a process control computer simulation test device for performing a simulation test by generating and inputting simulated data of an image close to an actual plant to a process control computer. And a simulated data processing device for processing the simulated data according to a predetermined calculation, and an output file output as the processing result when the processing result and the output of the simulated data automatic generation device are input to the process control computer to be tested. A process control computer comprising a data pass / fail judgment device for automatically determining pass / fail of each data by comparing the data, and a result output device for editing and outputting a processing result and a data pass / fail judgment result. Simulation test equipment.