CN112104522A - Numerical control system data acquisition gateway test method and equipment - Google Patents

Numerical control system data acquisition gateway test method and equipment Download PDF

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Publication number
CN112104522A
CN112104522A CN202010944135.9A CN202010944135A CN112104522A CN 112104522 A CN112104522 A CN 112104522A CN 202010944135 A CN202010944135 A CN 202010944135A CN 112104522 A CN112104522 A CN 112104522A
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data
numerical control
interface
acquisition
acquired
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栾燕
张健
张娟娟
邓昌义
马振涛
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National Industrial Information Security Development Research Center
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National Industrial Information Security Development Research Center
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Priority to CN202010944135.9A priority Critical patent/CN112104522A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing packet switching networks
    • H04L43/50Testing arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing packet switching networks
    • H04L43/08Monitoring based on specific metrics

Abstract

The invention discloses a method and equipment for testing a data acquisition gateway of a numerical control system, wherein the method for testing the data acquisition gateway of the numerical control system comprises the following specific steps: acquiring internal data of the numerical control system through a data acquisition interface of the numerical control system based on a preset period; acquiring internal data of the numerical control system acquired by a data acquisition gateway of the numerical control system through an external interface of the data acquisition gateway of the numerical control system based on the preset period; and comparing the data in the numerical control system acquired through the data acquisition interface with the data in the numerical control system acquired through the external interface at the same acquisition time to determine a test result. By adopting the invention, the standard data and the tested data can be automatically obtained from various types of data acquisition gateways of the numerical control system, the test data can be automatically and accurately compared, and the test result can be analyzed, thereby realizing the test of the data acquisition gateway of the numerical control system with high efficiency.

Description

Numerical control system data acquisition gateway test method and equipment
Technical Field
The invention relates to the technical field of automatic testing, in particular to a method and equipment for testing a data acquisition gateway of a numerical control system.
Background
With the combination of the two types and the strong advance of industrial policies of the industrial internet, transformation and upgrading of manufacturing enterprises are urgent, and digitization and networked manufacturing become the key points of informatization of the industrial enterprises. Numerical control processing plays a significant role in manufacturing industry, and interconnection and intercommunication of numerical control machines and numerical control systems and cloud-on numerical control equipment are important marks of workshop digitization, networking and intellectualization. The collection of numerical control systems and machine tool parameter and state data is the primary task of interconnection and intercommunication of various numerical control systems.
The data acquisition gateway equipment of the numerical control system has the capability of acquiring the internal data of the numerical control system, and is important equipment for realizing cloud service in a digital workshop and numerical control equipment. However, the existing data acquisition gateway devices of the numerical control system have different architectures, different acquisition standards and acquisition functions, and different quality. Therefore, it is necessary to test whether the data acquisition gateway of the numerical control system can completely, accurately and effectively acquire various data of the numerical control system.
Disclosure of Invention
The embodiment of the invention provides a method and equipment for testing a data acquisition gateway of a numerical control system, and aims to automatically and accurately test the data acquisition gateway of the numerical control system.
The numerical control system data acquisition gateway testing method provided by the embodiment of the invention comprises the following steps:
acquiring internal data of the numerical control system through a data acquisition interface of the numerical control system based on a preset period;
acquiring internal data of the numerical control system acquired by a data acquisition gateway of the numerical control system through an external interface of the data acquisition gateway of the numerical control system based on the preset period;
and comparing the data in the numerical control system acquired through the data acquisition interface with the data in the numerical control system acquired through the external interface at the same acquisition time to determine a test result.
By adopting the embodiment of the invention, the standard data and the tested data can be automatically obtained from the data acquisition gateways of various numerical control systems, the comparison of the test data can be automatically and accurately carried out, and the test result can be analyzed, thereby realizing the test of the data acquisition gateways of the numerical control systems with high efficiency.
According to some embodiments of the present invention, the data acquisition interface is an opuca interface, an MTconnect interface, a numerical control system own protocol interface, or an SDK interface;
the external interfaces are Socket interfaces, Mqtt interfaces, WebService interfaces and OPC UA interfaces.
According to some embodiments of the invention, the numerical control system internal data comprises at least one of the following data: alarm number, alarm information, spindle speed, spindle magnification, feed rate, program name, system status, operation mode, X-axis value, Y-axis value, Z-axis value, a-axis value, and C-axis value.
According to some embodiments of the invention, the method further comprises:
storing the acquisition time, the data name and the data value of the internal data of the numerical control system acquired through the data acquisition interface in a standard data structure;
and storing the acquisition time, the data name and the data value of the internal data of the numerical control system, which are acquired through the external interface, in a comparison data structure.
According to some embodiments of the invention, the data names and data values of the data internal to the numerical control system collected by the data collection interface are stored in the standard data structure in the form of key-value pairs according to categories.
According to some embodiments of the invention, the method further comprises:
constructing a test judgment data group by using the acquisition time, the data name and the data value corresponding to the acquisition time in the standard data structure and the data name and the data value corresponding to the acquisition time in the comparison data structure;
and judging whether the number of the test judgment data groups is greater than a preset number or not, and comparing the internal data of the numerical control system acquired through the data acquisition interface with two groups of data of the internal data of the numerical control system acquired through the external interface at the same acquisition time only when the number of the test judgment data groups is greater than the preset number so as to determine a test result.
According to some embodiments of the present invention, the comparing, at the same acquisition time, two sets of data of the internal data of the numerical control system acquired through the data acquisition interface and the internal data of the numerical control system acquired through the external interface includes:
and comparing the data value corresponding to the same data name in the standard data structure with the data value corresponding to the same data name in the comparison data structure at the same acquisition time.
According to some embodiments of the invention, the preset period is 1 second.
The numerical control system data acquisition gateway test equipment according to the embodiment of the invention comprises: the testing method comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the computer program realizes the steps of the numerical control system data acquisition gateway testing method when being executed by the processor.
The embodiment of the invention also provides a computer-readable storage medium, wherein an implementation program for information transmission is stored on the computer-readable storage medium, and when the program is executed by a processor, the steps of the numerical control system data acquisition gateway testing method are implemented.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. In the drawings:
FIG. 1 is a flow chart of a method for testing a data acquisition gateway of a numerical control system according to an embodiment of the invention;
FIG. 2 is a flow chart of a method for testing a data acquisition gateway of a numerical control system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure of a standard data structure and a schematic diagram of the structure of a comparison data structure in an embodiment of the present invention;
FIG. 4 is a schematic diagram of a test judgment data set according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a structure of a comparison judgment set according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The first embodiment of the present invention provides a method for testing a data acquisition gateway of a numerical control system, as shown in fig. 1, which includes the following specific steps:
s1, acquiring internal data of the numerical control system through a data acquisition interface of the numerical control system based on a preset period;
s2, acquiring the internal data of the numerical control system acquired by the numerical control system data acquisition gateway through an external interface of the numerical control system data acquisition gateway based on the preset period;
and S3, comparing the data in the numerical control system collected by the data collection interface with the data in the numerical control system obtained by the external interface at the same collection time to determine the test result.
By adopting the embodiment of the invention, the standard data and the tested data can be automatically obtained from the data acquisition gateways of various numerical control systems, the comparison of the test data can be automatically and accurately carried out, and the test result can be analyzed, thereby realizing the test of the data acquisition gateways of the numerical control systems with high efficiency.
A second embodiment of the present invention, the method of this embodiment is substantially the same as the first embodiment, except that in this embodiment, the data acquisition interface is an opuca interface, an MTconnect interface, a numerical control system own protocol interface, or an SDK interface;
in other words, "acquiring internal data of the numerical control system through the data acquisition interface of the numerical control system" can be understood as acquiring the internal data of the numerical control system by using an OPCUA standard protocol, an MTconnect standard protocol, an own protocol provided by a numerical control system manufacturer, or an SDK.
The external interfaces are Socket interfaces, Mqtt interfaces, WebService interfaces and OPC UA interfaces.
In a third embodiment of the present invention, the method of this embodiment is substantially the same as that of the first embodiment, except that in this embodiment, the internal data of the numerical control system includes at least one of the following data: alarm number, alarm information, spindle speed, spindle magnification, feed rate, program name, system status, operation mode, X-axis value, Y-axis value, Z-axis value, a-axis value, and C-axis value.
In a fourth embodiment of the present invention, the method in this embodiment is substantially the same as the first embodiment, except that the method in this embodiment further includes:
storing the acquisition time, the data name and the data value of the internal data of the numerical control system acquired through the data acquisition interface in a standard data structure, wherein the structural schematic diagram of the standard data structure is shown in FIG. 3;
the acquisition time, the data name and the data value of the internal data of the numerical control system acquired through the external interface are stored in a comparison data structure, and the structural schematic diagram of the comparison data structure is shown in fig. 3.
In a fifth embodiment of the present invention, the method described in this embodiment is substantially the same as the fourth embodiment, except that in this embodiment, the data name and the data value of the data inside the numerical control system collected through the data collection interface are stored in the standard data structure in the form of key-value pairs according to the category.
The Key Value pair is in the form of (Key), and the Key represents the data name of internal data generated when the numerical control system operates, such as an alarm number, alarm information, spindle rotating speed, spindle multiplying power, feed rate, program name, system state, operation mode, X-axis Value, Y-axis Value, Z-axis Value, a-axis Value, C-axis Value and the like. Value represents the key corresponding data Value, such as 001, operation mode limit, 2000, 0.4, 60, 002.NC, pause, MDI, 23.34, 32.1, 333.4, 23.34, 345.77, etc. For example, the key-value pair is (alarm number, 001).
In a sixth embodiment of the present invention, the method in this embodiment is substantially the same as the fourth embodiment, except that the method in this embodiment further includes:
constructing a test judgment data group by using the acquisition time, the data name and the data value corresponding to the acquisition time in the standard data structure and the data name and the data value corresponding to the acquisition time in the comparison data structure, wherein the structural schematic diagram of the test judgment data group is shown in FIG. 4;
and judging whether the number of the test judgment data groups is greater than a preset number or not, and comparing the internal data of the numerical control system acquired through the data acquisition interface with two groups of data of the internal data of the numerical control system acquired through the external interface at the same acquisition time only when the number of the test judgment data groups is greater than the preset number so as to determine a test result. Otherwise, continuing to collect.
A seventh embodiment of the present invention is substantially the same as the fourth to sixth embodiments, except that in this embodiment, the comparing, at the same acquisition time, two sets of data of the internal data of the numerical control system acquired through the data acquisition interface and the internal data of the numerical control system acquired through the external interface includes:
and comparing the data value corresponding to the same data name in the standard data structure with the data value corresponding to the same data name in the comparison data structure at the same acquisition time. For example, in the same acquisition time, whether the data value corresponding to the same data name in the standard data structure is the same as the data value corresponding to the same data name in the comparison data structure is compared.
In an eighth embodiment of the present invention, the method of this embodiment is substantially the same as that of the first embodiment, except that in this embodiment, the predetermined period is 1 second. The preset period T is the period for acquiring the data of the numerical control system, namely the times per second, and needs to be set in advance, and the smaller the preset period is, the more accurate the data which can be acquired can reflect the test result. However, the running quality of the numerical control system can be affected by an excessively small preset period, and the numerical control system can limit the minimum acquisition period, so that the preset period T is set in a compromise manner, such as 1 second.
The ninth embodiment of the present invention is an application example of the present invention, which is described with reference to fig. 2 on the basis of the above embodiments.
As shown in fig. 2, the method for testing a data acquisition gateway of a numerical control system according to an embodiment of the present invention includes the following steps:
collecting an internal data set Ds of the numerical control system according to a preset period T by adopting a data collection method of the numerical control system;
storing the collected data set Ds in a standard data structure S in a memory in a Key Value pair (Value) mode according to the category;
sending a numerical control system internal data set Dc acquired by a gateway according to a preset period T by adopting a numerical control system data acquisition gateway external interface;
storing a numerical control system internal data set Dc sent by a numerical control system data acquisition gateway external interface in a comparison data structure C in a memory;
acquiring two groups of data in a standard data structure S and a comparison data structure C at the current time ti, combining the two groups of data into a TEST judgment data set TEST, and adding the TEST judgment data set Dt as an element;
judging whether the number of the test data groups in the set Dt is greater than a preset test frequency, if so, entering the next step, and if not, returning to the previous step;
and comparing the numerical value corresponding to each test judgment data group in the set Dt to give a judgment result.
The data acquisition method of the numerical control system comprises the following steps: collecting data by using a data collection interface provided by each brand of numerical control system, and collecting data by using the standard interface if the numerical control system provides a unified standard interface, such as OPC UA of Siemens, Mtconnect of Mazak and the like; in other cases, a proprietary protocol or an SDK interface owned by a numerical control system manufacturer is adopted to acquire data, such as FOCAS of the family Sonaceae, M-net of HaaS, Chinese numerical control, Guangzhou numerical control, and an acquired SDK owned by blue sky data; data can also be acquired by adopting a mode of indirectly acquiring a PLC of the numerical control system, for example, the Siemens numerical control system can acquire the data by using the SDK to acquire the PLC controller of the Siemens numerical control system.
The preset period T is the period for acquiring data of the numerical control system, namely the times per second, and needs to be set in advance, and the smaller the preset period is, the more correct the data which can be acquired can reflect the test result. However, the running quality of the numerical control system can be affected by an excessively small preset period, and the numerical control system can limit the minimum acquisition period, so that the preset period T is set in a compromise manner, such as 1 second.
The internal data set Ds of the numerical control system refers to: the test system collects data from the numerical control system, namely standard data of test contrast. The numerical control system mainly comprises data generated inside the system during operation of the numerical control system, including system operation state, processing technology data, alarm data and the like, and specifically comprises an alarm number, alarm information, spindle rotating speed, spindle multiplying power, feed rate, program name, system state, operation mode, X-axis value, Y-axis value, Z-axis value, A-axis value, C-axis value and the like.
The Key-Value pair (Key, Value) refers to: and (3) representing the acquired data name by using a Key, and representing the data Value corresponding to the data name by using a Value, such as an alarm number, alarm information, a spindle rotating speed, a spindle multiplying power, a feed rate, a program name, a system state, an operation mode, an X-axis Value, a Y-axis Value, a Z-axis Value, an A-axis Value and a C-axis Value for a Key Value. Its key-value pair may be: (alarm number, 001), (alarm information, operation mode restriction), (spindle speed, 2000), (spindle magnification, 0.4), (feed rate, 60), (program name, 002.NC), (system status, pause), (operation mode, MDI), (X-axis value, 23.34), (Y-axis value, 32.1), (Z-axis value, 333.4), (a-axis value, 23.34), (C-axis value 345.77).
The standard data structure S, as shown in fig. 3, defines a data name, a data value, and a collection time, and represents a value collected by a numerical control system data collection method. And setting matched data types according to different data names, such as:
DataStruct S
{
String STANDARD_AlermNoKey;
String STANDARD_AlermNoVaule;
String STANDARD_SpnKey;
float STANDARD_SpnValue;
Time time;
}
the numerical control system data acquisition gateway external interface is as follows: the data acquisition gateway of the numerical control system is provided with an external interface, and can transmit the internal data of the numerical control system acquired by the gateway to an external system through the external interface. And collecting data acquired from the gateway as the data to be tested by using the standard interface provided by the gateway according to different interfaces provided by the gateway to be tested. These external interfaces may be OPC UA, Mqtt, WebService, Socket, etc.
The contrast data set Dc refers to: the data collected by the data collecting gateway of the numerical control system from the numerical control system is also the measured data. The numerical control system mainly comprises data generated inside the system during operation of the numerical control system, including system operation state, processing technology data, alarm data and the like, and specifically comprises an alarm number, alarm information, spindle rotating speed, spindle multiplying power, feed rate, program name, system state, operation mode, X-axis value, Y-axis value, Z-axis value, A-axis value, C-axis value and the like.
The comparison data structure C, as shown in fig. 3, defines a data name, a data value, and a collection time, and represents a value collected by the external interface of the data collection gateway of the numerical control system. Different data types are formulated according to different requirements of data names, such as:
DataStruct C
{
String COMPARE_AlermNoKey;
String COMPARE_AlermNoVaule;
String COMPARE_SpnKey;
float COMPARE_SpnValue;
Time time;
}
the TEST judgment data set TEST means: the composition of S and C, as shown in FIG. 4, as
DataStruct TEST
{
String STANDARD_AlermNoKey;
String STANDARD_AlermNoVaule;
String STANDARD_SpnKey;
float STANDARD_SpnValue;
String COMPARE_AlermNoKey;
String COMPARE_AlermNoVaule;
String COMPARE_SpnKey;
float COMPARE_SpnValue;
Time time=1;
}
The set Dt refers to: the set of TESTs may be implemented as an array or a linked list, e.g.
TEST TestData[]
The preset test times are as follows: the number of times of the data required to be collected in the test is also the number of elements of the TestData [ ] array. It needs to be preset before testing, for example, 20 times, TestData [20 ].
The numerical value corresponding to each test judgment data group in the comparison judgment set Dt is as follows: as shown in fig. 5. Comparing data corresponding to each element in the TestData [20], wherein when the comparison time is equal to 1, the values of STANDARD _ AlermNoValle and COMPARE _ AlermNoValle, and the values of STANDARD _ SpnValue and float COMPARE _ SpnValue.
The step of giving a judgment result is as follows: whether the values of each group of the comparison corresponding data are consistent or the main contents are consistent. The main content agreement means that, as in the case of comparing program names, there is a possibility that the standard and the comparison data do not completely agree with each other with file name paths/codes/002. NC and 002.NC, which is regarded as the main content agreement.
In a tenth embodiment of the present invention, a numerical control system data acquisition gateway test apparatus includes: the testing method comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein when the computer program is executed by the processor, the steps of the data acquisition gateway testing method of the numerical control system in any one of the first embodiment to the ninth embodiment are realized.
An eleventh embodiment of the present invention is a computer-readable storage medium, where an implementation program for information transfer is stored on the computer-readable storage medium, and when the implementation program is executed by a processor, the method implements the steps of the numerical control system data acquisition gateway testing method described in any one of the first to ninth embodiments.
The computer-readable storage medium of this embodiment includes, but is not limited to: ROM, RAM, magnetic or optical disks, and the like.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A numerical control system data acquisition gateway test method is characterized by comprising the following steps:
acquiring internal data of the numerical control system through a data acquisition interface of the numerical control system based on a preset period;
acquiring internal data of the numerical control system acquired by a data acquisition gateway of the numerical control system through an external interface of the data acquisition gateway of the numerical control system based on the preset period;
and comparing the data in the numerical control system acquired through the data acquisition interface with the data in the numerical control system acquired through the external interface at the same acquisition time to determine a test result.
2. The method of claim 1, wherein the data acquisition interface is an OPCUA interface, a MTconnect interface, a numerical control system proprietary protocol interface, or an SDK interface;
the external interfaces are Socket interfaces, Mqtt interfaces, WebService interfaces and OPC UA interfaces.
3. The method of claim 1, wherein the numerical control system internal data comprises at least one of: alarm number, alarm information, spindle speed, spindle magnification, feed rate, program name, system status, operation mode, X-axis value, Y-axis value, Z-axis value, a-axis value, and C-axis value.
4. The method of claim 1, wherein the method further comprises:
storing the acquisition time, the data name and the data value of the internal data of the numerical control system acquired through the data acquisition interface in a standard data structure;
and storing the acquisition time, the data name and the data value of the internal data of the numerical control system, which are acquired through the external interface, in a comparison data structure.
5. The method of claim 4, wherein the data names and data values of the data internal to the numerical control system collected through the data collection interface are stored in the standard data structure in the form of key-value pairs by category.
6. The method of claim 4, wherein the method further comprises:
constructing a test judgment data group by using the acquisition time, the data name and the data value corresponding to the acquisition time in the standard data structure and the data name and the data value corresponding to the acquisition time in the comparison data structure;
and judging whether the number of the test judgment data groups is greater than a preset number or not, and comparing the internal data of the numerical control system acquired through the data acquisition interface with two groups of data of the internal data of the numerical control system acquired through the external interface at the same acquisition time only when the number of the test judgment data groups is greater than the preset number so as to determine a test result.
7. The method according to any one of claims 4 to 6, wherein said comparing, at the same acquisition time, two sets of data of the data internal to the numerical control system acquired through the data acquisition interface with the data internal to the numerical control system acquired through the external interface comprises:
and comparing the data value corresponding to the same data name in the standard data structure with the data value corresponding to the same data name in the comparison data structure at the same acquisition time.
8. The method of claim 1, wherein the predetermined period is 1 second.
9. The utility model provides a numerical control system data acquisition gateway test equipment which characterized in that includes: memory, a processor and a computer program stored on the memory and executable on the processor, the computer program when executed by the processor implementing the steps of the numerical control system data acquisition gateway testing method of any one of claims 1 to 8.
10. A computer-readable storage medium, on which an information transfer implementation program is stored, which, when executed by a processor, implements the steps of the numerical control system data acquisition gateway testing method according to any one of claims 1 to 8.
CN202010944135.9A 2020-09-10 2020-09-10 Numerical control system data acquisition gateway test method and equipment Pending CN112104522A (en)

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