WO2013143819A1 - Method for creating a testing program for an automatic testing station - Google Patents

Method for creating a testing program for an automatic testing station Download PDF

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Publication number
WO2013143819A1
WO2013143819A1 PCT/EP2013/054574 EP2013054574W WO2013143819A1 WO 2013143819 A1 WO2013143819 A1 WO 2013143819A1 EP 2013054574 W EP2013054574 W EP 2013054574W WO 2013143819 A1 WO2013143819 A1 WO 2013143819A1
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WO
WIPO (PCT)
Prior art keywords
test
steps
spreadsheet
list
generator
Prior art date
Application number
PCT/EP2013/054574
Other languages
German (de)
French (fr)
Inventor
Wolfgang Finger
Jörg HOMFELD
Original Assignee
Rheinmetall Defence Electronics Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rheinmetall Defence Electronics Gmbh filed Critical Rheinmetall Defence Electronics Gmbh
Priority to EP13709846.3A priority Critical patent/EP2831736A1/en
Publication of WO2013143819A1 publication Critical patent/WO2013143819A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/26—Functional testing
    • G06F11/263—Generation of test inputs, e.g. test vectors, patterns or sequences ; with adaptation of the tested hardware for testability with external testers

Definitions

  • the invention relates to a method for creating a test program for an automatic test station, in which a user-specific flowchart in the form of a sequence file is stored in a model-based, executable test management software.
  • test management software contains a user-specific process plan in the form of a sequence file, which must be elaborately created depending on the test object to be tested ,
  • the invention is therefore based on the object to improve a generic method so that it can be easily adapted by the user of the test program to a test object.
  • This object is achieved in that by means of a generator tool by an application programmer in a spreadsheet one of user-specific test steps (customer steps) existing Schedule in the form of a list is deposited, and then from the list of a sequence generator immediately executable sequence file is generated. Filing in the form of a list in a spreadsheet has the great advantage that the user-specific test steps (customer steps) can be stored by an application programmer. From the list, a sequence generator generates an immediately executable sequence file.
  • a system programmer stores in the spreadsheet a list of a plurality of test steps. From the list of available test steps, the application programmer selects the desired ones and copies them into the desired flowchart.
  • the sequence generator generates an immediately executable sequence file by using the generator of the test management software programming interface (API).
  • a parser is integrated into the generator tool, from which the flowchart stored in the spreadsheet is checked for possible form errors. The displayed errors can then be corrected in an editing process.
  • the generator tool additionally contains a reverse generator, which can generate a spreadsheet file from a sequence file. This allows analysis of a sequence file using the spreadsheet file generated from it.
  • the spreadsheet Excel from Microsoft is preferred.
  • the schedule is then stored as an XLS file (sequence schedule).
  • the test station preferably contains a screen and corresponding software to display the operating and display elements of the customer step as a soft front panel on the screen.
  • Figure 1 shows schematically the development process for the test program.
  • the test program is part of an automatic test station, which is used for functional testing of electronic assemblies, printed circuit board assemblies or the like.
  • a user-specific process plan in the form of a sequence file is stored in a model-based, executable test management software.
  • the model-based, executable test management software used is National Instruments' "TestStandard" software, which contains an immediately executable sequence file, which stores the individual test steps and is executed during the execution of the test program.
  • the sequence file is created using a generator tool in the following way:
  • the test schedule is formulated in a spreadsheet, preferably in Excel, from user-specific test steps (customer steps) in the form of an Excel list.
  • the available customer steps including the parameter description are stored in the spreadsheet as templates.
  • the application programmer copies the respective desired steps for a test item to be tested in order to define the desired sequence.
  • a parameter set of a customer step stored as a table controls a specific measuring or stimuli device and can be used immediately with its default setting.
  • a sequence file which can be executed immediately in the test stand is generated by a sequence generator from the test procedure plan. If required, the parameterization of the measuring or stimuli device can be adjusted under the test stand via the soft front panel of the customer step.
  • the generator tool additionally contains a reverse generator which generates a spreadsheet file from a sequence file. From the executable sequence file, a test sequence plan with customer steps and the associated parameter sets is generated in the form of an Excel list.
  • the test station from which the test program is carried out contains a screen and corresponding software, which makes it possible to display the operating and display elements of the customer steps as a soft front panel on the screen.

Abstract

The invention relates to a method for creating a testing program for an automatic testing station, in which a user-specific process plan is saved in the form of a sequence file in model-based executable test management software, a process plan consisting of user-specific test steps (customer steps) is saved in the form of a list by means of a generator tool by an application programmer in a spreadsheet, and then an immediately executable sequence file is generated from the list by a sequence generator.

Description

B E S C H R E I B U N G  DESCRIPTION
Verfahren zum Erstellen eines Prüfprogramms für eine automatische Teststation Method for creating a test program for an automatic test station
Die Erfindung betrifft ein Verfahren zum Erstellen eines Prüfprogramms für eine automatische Teststation, bei dem in einer modellbasierten, ablauffähigen Testmanagementsoftware ein benutzerspezifischer Ablaufplan in Form einer Sequenz-Datei hinterlegt wird. The invention relates to a method for creating a test program for an automatic test station, in which a user-specific flowchart in the form of a sequence file is stored in a model-based, executable test management software.
Zur Funktionsprüfung von elektronischen Baugruppen, Leiterkarten- Baugruppen oder dergleichen sind automatische Teststationen bekannt, die auf den zu testenden Prüfling angepasste Prüfprogramme enthalten. Zur Erstellung der Prüfprogramme wird eine modellbasierte, ablauffähige Testmanagementsoftware verwendet, beispielsweise die Software „Teststand" der Firma National Instruments. In der Testmanagementsoftware ist ein benutzerspezifischer Ablauflaufplan in Form einer Sequenz-Datei hinterlegt, die aufwändig in Abhängigkeit von dem zu testenden Prüfling erstellt werden muss. For functional testing of electronic assemblies, printed circuit board assemblies or the like automatic test stations are known, which contain adapted to the test specimen to be tested test programs. To create the test programs, a model-based, executable test management software is used, for example the software "TestStation" of the company National Instruments.The test management software contains a user-specific process plan in the form of a sequence file, which must be elaborately created depending on the test object to be tested ,
Der Erfindung liegt daher die Aufgabe zu Grunde, ein gattungsgemäßes Verfahren so zu verbessern, dass es vom Benutzer des Prüfprogrammes einfach auf einen Prüfling angepasst werden kann. Diese Aufgabe wird dadurch gelöst, dass mittels eines Generatortools von einem Anwendungsprogrammierer in einer Tabellenkalkulation ein aus benutzerspezifischen Testschritten (Customer-Steps) bestehender Ablaufplan in Form einer Liste hinterlegt wird, und anschließend aus der Liste von einem Sequenzgenerator eine sofort ausführbare Sequenz-Datei erzeugt wird. Die Hinterlegung in Form einer Liste in einer Tabellenkalkulation hat den großen Vorteil, dass die benutzerspezifischen Testschritte (Customer- Steps) von einem Anwendungsprogrammierer hinterlegt werden können. Aus der Liste erzeugt ein Sequenzgenerator eine sofort ausführbare Sequenz-Datei. The invention is therefore based on the object to improve a generic method so that it can be easily adapted by the user of the test program to a test object. This object is achieved in that by means of a generator tool by an application programmer in a spreadsheet one of user-specific test steps (customer steps) existing Schedule in the form of a list is deposited, and then from the list of a sequence generator immediately executable sequence file is generated. Filing in the form of a list in a spreadsheet has the great advantage that the user-specific test steps (customer steps) can be stored by an application programmer. From the list, a sequence generator generates an immediately executable sequence file.
Bevorzugt hinterlegt ein System program mierer in der Tabellenkalkulation eine Liste mit einer Vielzahl von Testschritten. Aus der Liste der zur Verfügung stehenden Testschritte wählt der Anwendungsprogrammierer die gewünschten aus und kopiert sie in den gewünschten Ablaufplan. Der Sequenzgenerator erzeugt eine sofort ausführbare Sequenz-Datei, indem der Generator die Programmierschnittstelle (API) der Testmanagementsoftware nutzt. Preferably, a system programmer stores in the spreadsheet a list of a plurality of test steps. From the list of available test steps, the application programmer selects the desired ones and copies them into the desired flowchart. The sequence generator generates an immediately executable sequence file by using the generator of the test management software programming interface (API).
Bevorzugt ist in das Generatortool ein Parser integriert, von dem der in der Tabellenkalkulation hinterlegte Ablaufplan auf eventuelle Formfehler geprüft wird. Die anzeigten Fehler können dann in einem Editiervorgang behoben werden. Preferably, a parser is integrated into the generator tool, from which the flowchart stored in the spreadsheet is checked for possible form errors. The displayed errors can then be corrected in an editing process.
Bevorzugt enthält das Generatortool zusätzlich einen Reverse-Generator, der aus einer Sequenz-Datei eine Tabellenkalkulationsdatei erzeugen kann. Dies ermöglicht eine Analyse einer Sequenz-Datei mittels der aus ihr erzeugten Tabellenkalkulationsdatei. Preferably, the generator tool additionally contains a reverse generator, which can generate a spreadsheet file from a sequence file. This allows analysis of a sequence file using the spreadsheet file generated from it.
Als Tabellenkalkulation wird bevorzugt Excel der Firma Microsoft verwendet. Der Ablaufplan wird dann als XLS-Datei (Sequenz-Ablaufplan) hinterlegt. Die Teststation enthält bevorzugt einen Bildschirm und eine entsprechende Software, um die Bedien- und Anzeigeelemente des Customer-Steps als Soft-Frontpanel auf dem Bildschirm darzustellen. Nachfolgend wird das erfindungsgemäße Verfahren zur Erstellung eines Prüfprogramms für eine automatische Teststation anhand eines bevorzugten Ausführungsbeispiels näher erläutert. The spreadsheet Excel from Microsoft is preferred. The schedule is then stored as an XLS file (sequence schedule). The test station preferably contains a screen and corresponding software to display the operating and display elements of the customer step as a soft front panel on the screen. The inventive method for creating a test program for an automatic test station based on a preferred embodiment will be explained in more detail.
Figur 1 zeigt schematisch den Entwicklungsprozess für das Prüfprogramm. Figure 1 shows schematically the development process for the test program.
Das Prüfprogramm ist Bestandteil einer automatischen Teststation, die zur Funktionsprüfung von elektronischen Baugruppen, Leiterkarten- Baugruppen oder dergleichen dient. Dazu wird in einer modellbasierten, ablauffähigen Testmanagementsoftware ein benutzerspezifischer Ablaufplan in Form einer Sequenz-Datei hinterlegt. Als modellbasierte, ablauffähige Testmanagementsoftware wird die Software„Teststand" der Firma National Instruments verwendet. Das Programm enthält eine sofort ausführbare Sequenz-Datei, in der die einzelnen Prüfschritte hinterlegt sind und beim Ablauf des Prüfprogramms durchgeführt werden. The test program is part of an automatic test station, which is used for functional testing of electronic assemblies, printed circuit board assemblies or the like. For this purpose, a user-specific process plan in the form of a sequence file is stored in a model-based, executable test management software. The model-based, executable test management software used is National Instruments' "TestStandard" software, which contains an immediately executable sequence file, which stores the individual test steps and is executed during the execution of the test program.
Die Sequenz-Datei wird mittels eines Generatortools auf folgende Weise erzeugt: The sequence file is created using a generator tool in the following way:
Nach der Analyse des Prüflings wird der Prüfablaufplan in einer Tabellenkalkulation, bevorzugt in Excel, aus benutzerspezifischen Testschritten (Customer-Steps) in Form einer Excel-Liste formuliert. Die zur Verfügung stehenden Customer-Steps inklusive Parameterbeschreibung sind in der Tabellenkalkulation als Templates hinterlegt. Der Anwendungsprogrammierer kopiert für einen zu testenden Prüfling die jeweiligen gewünschten Schritte, um den gewünschten Ablauf zu definieren. Ein als Tabelle hinterlegter Parametersatz eines Customer- Steps steuert ein bestimmtes Mess- oder Stimuli-Gerät und kann mit seiner Default-Einstellung sofort genutzt werden. Nach dem der Prüfablaufplan in einer Excel-Liste hinterlegt ist, wird er von einem im Generatortool integrierten Parser auf eventuelle Formfehler geprüft. Die anzeigten Fehler werden anschließend in einem Editiervorgang behoben. After analyzing the test object, the test schedule is formulated in a spreadsheet, preferably in Excel, from user-specific test steps (customer steps) in the form of an Excel list. The available customer steps including the parameter description are stored in the spreadsheet as templates. The application programmer copies the respective desired steps for a test item to be tested in order to define the desired sequence. A parameter set of a customer step stored as a table controls a specific measuring or stimuli device and can be used immediately with its default setting. After the test sequence plan has been stored in an Excel list, it is checked for possible form errors by a parser integrated in the generator tool. The displayed errors are then corrected in an editing process.
Anschließend wird von einem Sequenzgenerator aus dem Prüfablauf-Plan eine in Teststand sofort ausführbare Sequenz-Datei erzeugt. Bei Bedarf kann unter Teststand über das Soft-Frontpanel des Customer-Steps die Parametrierung des Mess- oder Stimuli-Gerätes noch angepasst werden. Subsequently, a sequence file which can be executed immediately in the test stand is generated by a sequence generator from the test procedure plan. If required, the parameterization of the measuring or stimuli device can be adjusted under the test stand via the soft front panel of the customer step.
Bevorzugt enthält das Generatortool zusätzlich einen Reverse-Generator, der aus einer Sequenz-Datei eine Tabellenkalkulationsdatei erzeugt. Aus der ablauffähigen Sequenz-Datei wird so wieder ein Prüfablaufplan mit Customer-Steps und den zugehörigen Parametersätzen in Form einer Excel-Liste erzeugt. Preferably, the generator tool additionally contains a reverse generator which generates a spreadsheet file from a sequence file. From the executable sequence file, a test sequence plan with customer steps and the associated parameter sets is generated in the form of an Excel list.
Die Teststation, von der das Prüfprogramm durchgeführt wird, enthält einen Bildschirm und eine entsprechende Software, die es ermöglicht, die Bedien- und Anzeigeelemente der Customer-Steps als Soft-Frontpanel auf dem Bildschirm darzustellen. The test station from which the test program is carried out contains a screen and corresponding software, which makes it possible to display the operating and display elements of the customer steps as a soft front panel on the screen.

Claims

P A T E N T A N S P R Ü C H E PATENT APPLICATIONS
1 . 1 .
Verfahren zum Erstellen eines Prüfprogramms für eine automatische Teststation, bei dem in einer modellbasierten, ablauffähigen Testmanagementsoftware ein benutzerspezifischer Ablaufplan in Form einer Sequenz-Datei hinterlegt wird, Method for creating a test program for an automatic test station, in which a user-specific flowchart in the form of a sequence file is stored in a model-based, executable test management software,
dadurch gekennzeichnet, dass mittels eines Generatortools von einem Anwendungsprogrammierer in einer Tabellenkalkulation ein aus benutzerspezifischen Testschritten (Customer Steps) bestehender Ablaufplan in Form einer Liste hinterlegt wird, und anschließend aus der Liste von einem Sequenzgenerator eine sofort ausführbare Sequenz-Datei erzeugt wird. characterized in that by means of a generator tool by an application programmer in a spreadsheet from user-specific test steps (Customer Steps) existing schedule is stored in the form of a list, and then from the list of a sequence generator immediately executable sequence file is generated.
2. Second
Verfahren nach Anspruch 1 , dadurch gekennzeichnet, dass in der A method according to claim 1, characterized in that in the
Tabellenkalkulation eine Liste (Templates) der zur Verfügung stehenden Testschritte hinterlegt ist, aus der einzelne Schritte zur Erzeugung des Ablaufplans kopiert werden. Spreadsheet a list (templates) of the available test steps is stored, from which individual steps for creating the flowchart are copied.
3. Third
Verfahren nach Patentanspruch 1 oder 2, dadurch gekennzeichnet, dass in dem Generatortool ein Parser integriert ist, von dem der in der Tabellenkalkulation hinterlegte Ablaufplan auf eventuelle Formfehler geprüft wird. A method according to claim 1 or 2, characterized in that in the generator tool, a parser is integrated, of which the stored in the spreadsheet flowchart is checked for any form errors.
4. 4th
Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Generatortool einen Reverse-Generator enthält, der aus einer Sequenz-Datei eine Tabellenkalkulationsdatei erzeugen kann.  Method according to one of Claims 1 to 3, characterized in that the generator tool contains a reverse generator which can generate a spreadsheet file from a sequence file.
5. 5th
Teststation zur Funktionsprüfung von elektronischen Baugruppen, Leiterkarten-Baugruppen oder dergleichen, dadurch gekennzeichnet, dass sie ein Prüfprogramm verwendet, das mittels eines Verfahrens gemäß der Patentansprüche 1 bis 4 erzeugt wurde.  Test station for functional testing of electronic assemblies, printed circuit board assemblies or the like, characterized in that it uses a test program, which was produced by means of a method according to the claims 1 to 4.
6. 6th
Teststation nach Patentanspruch 5, dadurch gekennzeichnet, dass sie einen Bildschirm mit entsprechender Software enthält, um das Bedien- und Anzeigefeld eines Customer-Steps als Soft-Fronpanel auf dem Bildschirm dazustehen.  Test station according to claim 5, characterized in that it includes a screen with appropriate software to the control and display panel of a customer steps as a soft-Fronpanel on the screen there.
PCT/EP2013/054574 2012-03-30 2013-03-07 Method for creating a testing program for an automatic testing station WO2013143819A1 (en)

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DE102012205207.0 2012-03-30
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5910895A (en) * 1997-06-13 1999-06-08 Teradyne, Inc. Low cost, easy to use automatic test system software
US6453276B1 (en) * 1998-12-22 2002-09-17 Unisys Corporation Method and apparatus for efficiently generating test input for a logic simulator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5910895A (en) * 1997-06-13 1999-06-08 Teradyne, Inc. Low cost, easy to use automatic test system software
US6453276B1 (en) * 1998-12-22 2002-09-17 Unisys Corporation Method and apparatus for efficiently generating test input for a logic simulator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "NI TestStand Using TestStand", October 2010 (2010-10-01), pages i-viii, 1-1 - 4-5, XP002700752, Retrieved from the Internet <URL:http://www.ni.com/pdf/manuals/373436e.pdf> [retrieved on 20130710] *

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DE102012205207A1 (en) 2013-10-02

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