KR20180138401A - Management system and method of ATE based on WEB - Google Patents

Abstract

The present invention relates to an operating system and an operating method of a web-based automated test equipment (ATE) and, more specifically, to a method for operating ATE which controls a plurality of measuring devices. The method includes: a first step (S100) of forming a database of control interface data and then storing and managing the control interface data for each measuring device capable of controlling in ATE; a second step (S200) of receiving the input of information for each test item of the measuring devices capable of controlling in ATE and generating a test procedure; and a third step (S300) of forming a database of the test procedure and then storing and managing the test procedure for each measuring device generated in the second step (S200). In the ATE operating method based on the database, a first DB unit, an integrated processing unit, and a second DB unit are included in a web server, and a user accesses the first DB unit, the integrated control unit, and the second DB unit by using a web browser. According to the present invention, even a non-expert can easily develop and operate test procedures.

Description

[0001] The present invention relates to a web-based automatic test equipment operation system,

[0001] The present invention relates to a database-based automatic test equipment operation system and method of operating the same, and more particularly, to a database-based automatic test equipment operation procedure and instrument control method, The present invention relates to a database-based automated test equipment operation system and a method of operating the same, which can develop and operate a test procedure easily by a non-professional manpower for a software development language.

Conventionally, in order to develop an automated test procedure for testing a test object in an automated test equipment such as an ATE (Automated Test Equipment), it is necessary to control the test procedure using instruments or instruments, Because it was possible to develop using software development language and tools (Visual C ++ / Basic, LabView, LabWindowsCVI, etc.), it has only been developed through specialized personnel who have knowledge of the relevant software development language and tools.

Specifically, databases have been used for data management purposes such as communication / control with test instruments and control of various test procedures based on a software development language and tools, and test result storage and history management.

As a result, the test procedure software program on the test equipment can only be developed by a skilled person who has an in-depth knowledge of the software development language and tools, which limits accessibility to automated test equipment development.

When multiple and large quantities of software source code are generated due to test equipment that checks multiple test objects or a high-performance test object, the resulting software

It is natural that the complexity of the code complexity and the reliability test object increase, and the development cost and schedule increase.

In addition, although test programs are frequently modified according to the characteristics of the test equipment and the degree of aging of the test object during the operation maintenance stage, re-analysis and improvement of the software source code developed by others due to differences in development personnel It is very difficult to modify, it takes a lot of time, and re-check due to error after correction occurs frequently.

In this connection, Korean Patent Laid-Open Publication No. 10-2005-0101216 ("Method and structure for developing a test program for a semiconductor integrated circuit") discloses a general C / C ++ structure test program for testing a semiconductor integrated circuit in a semiconductor test system And how to develop it.

Korean Patent Laid-Open Publication No. 10-2005-0101216 2005.10.20.)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method and system for testing a test object (UUT, Unit Under Test) and an instrument control on a database of a web server To provide a web-based automatic test equipment operation system and a method of operating the same, which can develop and operate a test procedure easily for a non-professional manpower for a software development language will be.

A web-based automatic test equipment operation system according to an embodiment of the present invention is a system for operating an automatic test equipment for controlling a plurality of instruments, and is provided with an automatic test equipment (ATE) A first DB unit 100 for storing and managing control interface data in the form of a database, a control unit 120 for receiving test items of instruments that can be controlled by the automatic test equipment and reflecting the control interface data for each instrument stored in the first DB unit 100 And a second DB unit 300 for storing and managing the test procedures generated by the integration processing unit 200. The first DB unit 300 includes a first DB unit 300, 100, the integrated processing unit 200 and the second DB unit 300 are provided in the web server, and the user can access the first DB unit 100 and the second DB unit 300 using a web browser of the automatic test equipment To get you access. And an automatic test apparatus to be tested.

Further, the integrated processing unit 200 generates an additional test procedure for predictable test execution result information according to the generated test procedure.

Further, the database-based automatic test equipment operation system includes a control unit 400 for generating a control signal for controlling the meter according to the test procedure and the additional test procedure generated by the integrated processing unit 200 .

When a test procedure request for a specific instrument is inputted from an external user through the automatic test equipment, the controller 400 controls the operation of the matched meter (s) stored in the second DB unit 300 And generates and transmits a control signal for performing a test according to a test procedure.

A database-based automatic test equipment operation method according to an embodiment of the present invention is a method of operating an automatic test equipment for controlling a plurality of instruments, the method comprising the steps of: A second step S200 of inputting test item information of a controllable meter in an automatic test equipment and generating a test procedure, and a second step S200 of storing and managing control interface data in a database, S200) into a database and storing and managing the test procedure for each instrument (S300).

Further, the second step S200 includes a step 2-1 (S210) of setting a test item of the test procedure for each instrument, a step of using the control interface data for each instrument stored and managed by the first step S200 (S220) of setting the control information of the test procedure for each instrument set in the second step (S210), and a second step (S220) of setting the control information of the instrument-specific test items set in the second step And a second step (S230) of generating an additional test procedure for predictable test execution result information according to the control information.

Further, when the test procedure request for a specific instrument is inputted from an external user through the automatic test equipment after performing the third step (S300), the method for operating the database-based automatic test equipment may include a step And a fourth step (S400) of generating and transmitting a control signal for performing the test according to the test procedure of the matched measuring instrument in the procedure.

Further, the second step (S200) receives the test item information of the meter according to a predetermined GUI (Graphic User Interface) form, and the third step (S300) is based on a predetermined DTI , And outputs the generated test procedure for each instrument.

The operation system and operation method of the web-based automatic test equipment according to the present invention are configured to process the test procedure of the test object (UUT, Unit Under Test) and the instrument control on the automated test equipment system using the data defined on the database Thus, it is possible to easily develop a test procedure for a non-professional manpower for a software development language, and it has an effect that it can be supported so that it can be operated.

In detail, the database-based automatic test equipment operation system and its operation method of the present invention stores the processing of the instrument and test procedure control (result comparison / judgment and process flow control, etc.) implemented in the existing software development language on the database It is possible to minimize the software development language dependency on the test procedure program by replacing it with the possible data definition based test procedure. In developing the test procedure program, select instrument and test procedure control information through the GUI And stored in the database, the ease of development can be enhanced.

In addition, the web-based automated test equipment operation system and its operation method of the present invention is informed about a meter and test procedure control (result comparison / judgment and process flow control) implemented in a software development language and stored in a web server By using the database, it is possible to minimize the complexity of the generated software source code and to solve the problem of shape separation development according to the OS version by using a web browser which does not affect the OS version such as Window. The results can be stored and managed on the integrated web server, allowing access confirmation from various sites.

1 is a diagram illustrating a web-based automatic test equipment operation system according to an embodiment of the present invention.
2 is a flowchart illustrating a method of operating a web-based automatic test equipment according to an embodiment of the present invention.
3 is an exemplary diagram illustrating an external user GUI in a web-based automated test equipment operation system and its operation method according to an embodiment of the present invention.

Hereinafter, a Web-based automatic test equipment operation system and a method for operating the same will be described in detail with reference to the accompanying drawings. In the following description of the embodiments, the names of the respective components may be referred to as other names in the art. However, if there is a functional similarity and an equivalence thereof, the modified structure can be regarded as an equivalent structure. In addition, reference numerals added to respective components are described for convenience of explanation. However, the contents of the drawings in the drawings in which these symbols are described do not limit the respective components to the ranges within the drawings. Likewise, even if the embodiment in which the structure on the drawing is partially modified is employed, it can be regarded as an equivalent structure if there is functional similarity and uniformity. Further, in view of the level of ordinary skill in the art, if it is recognized as a component to be included, a description thereof will be omitted.

A database-based automated test equipment operation system and method for operating the same according to an embodiment of the present invention can be realized by an automated test equipment such as a conventional automatic test equipment (ATE) The objective is to solve the limitation of development accessibility by allowing only the professional manpower to carry out the instrument and test procedure control. To do this, 1. Interface data informatization and database storage for each instrument control, 2. Database control information selection and control of test procedure control by measuring user interface (GUI) based on Detail Test Information (DTI) , It is possible to participate in development even if it is not a professional manpower with knowledge of software development language and tools, thereby enhancing development easiness and minimizing development risk.

In other words, the test procedure of the test object (UUT, Unit Under Test) and the control of the instrument are processed using the data defined in the database in the automated test equipment system, so that the non-professional manpower for the software development language can be easily developed Based automated test equipment capable of supporting and operating the test equipment and its operation method.

1 is a block diagram illustrating a database-based automatic test equipment operation system according to an embodiment of the present invention. Referring to FIG. 1, a database-based automated test equipment operation system according to an embodiment of the present invention is described in detail Explain.

The database-based automatic test equipment operation system according to an embodiment of the present invention may include a web server and an automatic test equipment. The web server may include a database related to the test procedure, and the integrated processing unit may be provided to perform various functions such as test procedure generation according to data input from the automatic test apparatus, connection demonstration, and the like.

The web server may include a first DB unit 100, an integrated processing unit 200, and a second DB unit 200.

In detail, the first DB unit 100 can store and manage control interface data, which can be controlled by the automatic test equipment, into a database.

At this time, it is preferable that the control interface data for each instrument is input to the control interface data formed by a plurality of instruments (power supply device, signal generating device, measuring device, etc.) connected to the automatic test equipment, Do.

3, the integrated processing unit 200 can input test items of instruments that can be controlled by the automatic test equipment from an external user (administrator, operator, developer, etc.) through a web browser in the automatic test equipment, The test procedure can be generated by reflecting the control interface data for each instrument stored in the first DB unit 100 on the web server. In this drawing, the web browser is exemplified by Internet Explorer, but various browsers can be used. At this time, a widely used TCP / IP method or the like can be used as the communication method.

In detail, the integration processing unit 200 receives the test items for each instrument from an external user, receives the control interface data from the test items stored and managed in the first DB unit 100, The control sequence can be set. In addition, the integrated processing unit 200 may generate additional test procedures for predictable test execution result information in accordance with the meter control procedure.

That is, the integration processing unit 200 can generate predictive test execution result information (the next test procedure / adjustment procedure / exchange procedure, etc.) according to the generated test procedure to generate additional test procedures.

The second DB unit 300 can store and manage the test procedure generated by the integration processing unit 200 in a database. In accordance with the test procedure information stored and managed in the second DB unit 300, an external user may select a stored database to select an item to be tested, thereby testing items through the meter. At this time, the user's database selection can be performed through a web browser on the site where the automatic test equipment is installed.

The control unit 400 receives data on the test procedure and the additional test procedure generated by the integration processing unit 200 provided on the web server and generates a control signal for controlling the test target instrument.

In other words, when the control unit 400 inputs a test procedure request for a specific instrument from an external user to the automatic test equipment, the integration processing unit 200 of the web server performs the process of storing and managing in the second DB unit 300 A control signal is generated and transmitted to the automatic test equipment so as to perform the test according to the test procedure of the meter that matches the user's request during the test procedure. On the other hand, the test results are displayed on a web browser and can be output according to a predetermined DTI (Detail Test Information) form.

At this time, the web server and the automatic test equipment are connected to a wired or wireless local area network (LAN), and the test equipment (UUT) is checked and operated using a web browser-based operation program and a test program in the automatic test equipment .

At this time, it is possible to develop an automatic test equipment test procedure on the web server based on the web-based electronic technical manual (IETM).

In the above description, one automatic test equipment is provided. However, the present invention is applicable to a plurality of automatic test equipment. In this case, the first DB 100, the integrated processing unit 200, and the second DB 300 can be shared by a plurality of automatic test equipments and data management can be unified.

Hereinafter, an operation method of a web-based automatic test equipment, which is another embodiment according to the present invention, will be described.

FIG. 2 is a view showing a method of operating a web-based automatic test equipment according to an embodiment of the present invention. Referring to FIG. 2, a method of operating a web-based automatic test equipment according to an embodiment of the present invention will be described in detail. Explain.

To describe each step in detail, the first step (S100) is to store controllable control interface data for each instrument, which can be controlled by the automatic test equipment, into a database and store and manage the data on the web.

The second step (S200) can generate a test procedure by inputting test item information of the instrument that can be controlled in the automatic test equipment to the web server.

The second step S200 is a second step (S210) of inputting (adding / deleting) a test procedure for each instrument on the GUI preset on the web browser as shown in FIG. 3 from an external user and setting a test item for each instrument, .

The second step S200 is a step of checking whether or not the test procedure of each instrument set in the second step-1 (S210) is performed based on the control interface data of each instrument stored and managed in the first step (S100) Control information can be set.

Step 2-2 of setting (adding / deleting / modifying) a test sequence for each test item (instrument control sequence) and setting control information for each instrument, that is, control information for each instrument (S220).

Step 2-3 (S230) may generate additional test procedures for predictable test execution result information according to the control information of the test items for each instrument set in step 2-2 (S220).

In other words, the step 2-3 (S230) sets the flow control information (next test procedure / adjustment procedure / exchange procedure) according to the control information of the test items for each instrument set in the second-2 step S220 , It can be created by additional test procedures, and the test sequence can be executed and the result can be confirmed.

At this time, it is preferable that the test procedure-specific test procedure is output based on the DTI preset on the web browser.

In the third step S300, the test procedure for each instrument generated in the second step S200 may be stored in a database in the web server and stored and managed.

When a test procedure request for a specific instrument is input from an external user through a web browser of the automatic test equipment after the third step S300 is performed, The control unit generates a control signal for performing the test according to the test procedure of the automatic test apparatus, and transmits the control signal to the control unit of the automatic test apparatus.

That is, through the third step (S300), a test procedure for a specific instrument selected by an external user among the test procedures for each instrument that is stored and managed in a database is called up, and a test sequence for each test item is executed. have. In addition, according to the set flow control information of the test items for each instrument,

Item execution may be performed sequentially.

That is, in other words, the web-based automatic test equipment operation system and the operation method thereof according to the embodiment of the present invention are related to the instrument control and test procedure operation through the automatic definition test apparatus based on the database definition of the web server, It is possible to minimize the dependency on the software development language by defining the instrument and the test procedure control process implemented in the software development language as data that can be stored in the database in advance and minimize the range of the software reliability test target by minimizing the software source code It is possible to reduce the development risk. In addition, since a database can be constructed on a web server and data can be input and output using a web browser in an automatic test equipment, data processing can be unified when a plurality of automatic card equipment is equipped. In addition, since data input and output is performed with a web server using a web browser, there is no need to convert the source code according to the OS difference of the automatic test equipment, and the test procedure can be easily modified or distributed.

The database-based automatic test equipment operation system and the operation method thereof according to an embodiment of the present invention described above are implemented in the form of program instructions that can be executed through various computer components, . The computer-readable recording medium may include program instructions, data files, data drives, and the like, alone or in combination. The program instructions recorded on the computer-readable recording medium may be ones that are specially designed and configured for the present invention, or those known to those skilled in the computer software field. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape; optical recording media such as CD-ROMs and DVDs; magneto-optical media such as floptical disks; optical media), and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine code generated by the compiler as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware device can be configured to create as one or more software modules for performing the processing according to the present invention, and vice versa.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And various modifications and changes may be made thereto by those skilled in the art to which the present invention pertains.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .

100: first DB section
200:
300: second DB section
400:

Claims (8)

1. A system for operating an automated test equipment for controlling a plurality of instruments,
A first DB unit 100 for storing and managing control interface data for each instrument which can be controlled by an automatic test equipment (ATE), in a database;
An integrated processing unit 200 for receiving a test item of controllable instruments in the automatic test equipment and generating a test procedure by reflecting the control interface data for each instrument stored in the first DB unit 100; And
And a second DB unit 300 for storing and managing the test procedures generated by the integration processing unit 200 in a database,
The first DB unit 100, the integrated processing unit 200, and the second DB 300 are provided on a web server,
The user may access the first DB unit 100, the integrated processing unit 200, and the second DB unit 300 using a web browser of the automatic test equipment. The method according to claim 1,
Wherein the integrated processing unit (200) generates an additional test procedure for predictable test execution result information according to the generated test procedure. 3. The method of claim 2,
The database-based automatic test equipment operation system includes a control unit 400 for generating a control signal for controlling the meter according to the test procedure and the additional test procedure generated by the integrated processing unit 200 Web-based automated test equipment operation system. The method of claim 3,
When a test procedure request for a specific instrument is inputted from an external user through an automatic test equipment, the controller 400 controls the test procedure of the matched instrument among the test procedures stored and managed in the second DB unit 300 And generating and transmitting a control signal for performing the test according to the operation of the web-based automatic test equipment. A method of operating an automated test equipment for controlling a plurality of instruments,
A first step S100 of storing and managing control interface data for each instrument, which can be controlled by an automatic test equipment (ATE), in a database on a web server;
A second step (S200) of receiving test item information of a controllable instrument from an automatic test equipment through a web browser and generating a test procedure; And
A third step (S300) of storing and managing the test procedure generated by the second step (S200) in a database on the web server; A method of operating a web-based automated test equipment. 6. The method of claim 5,
The second step (S200) includes a second step (S210) of setting test items of the test procedure for each instrument;
The test items set in the first step (S200) are input / output of control interface data for each instrument by using a web browser, and the control information of the test procedure for each instrument set in the second step (S210) is set Step 2-2 (S220); And
A second step (S230) of generating, on the web server, an additional test procedure for the test execution result information that can be predicted according to the control information of the test items for each instrument set in step 2-2 (S220);
A method of operating a web-based automated test equipment. The method according to claim 6,
The method for operating the web-based automatic test equipment may include the steps of: when the third step (S300) is performed in the web server and a test procedure request for a specific instrument is input from an external user through an automatic test equipment, A fourth step (S400) of generating and transmitting a control signal for performing a test in the web server according to a test procedure of a matching meter in a test procedure;
A method of operating a web-based automated test equipment. 6. The method of claim 5,
The second step S200 receives information on the test items of the instrument according to a predetermined GUI (Graphic User Interface) form on a web browser executed in the automatic test equipment. In the third step S300, Based on the detailed test information, and outputting the generated test procedure for each instrument.

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