Increasing system test coverage in production automation systems

Sebastian Ulewicz; Birgit Vogel-Heuser

doi:10.1016/j.conengprac.2018.01.010

Increasing system test coverage in production automation systems

Sebastian Ulewicz, Birgit Vogel-Heuser

Chair of Automation and Information Systems

Technical University of Munich

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

An approach is introduced, which supports a testing technician in the identification of possibly untested behavior of control software of fully integrated automated production systems (aPS). Based on an approach for guided semi-automatic system testing, execution traces are recorded during testing, allowing for a subsequent coverage assessment. As the behavior of an aPS is highly dependent on the software, omitted system behavior can be identified and assessed for criticality. Through close cooperation with industry, this approach represents the first coverage assessment approach for system testing in production automation to be applied on real industrial objects and evaluated by industrial experts.

Original language	English
Pages (from-to)	171-185
Number of pages	15
Journal	Control Engineering Practice
Volume	73
DOIs	https://doi.org/10.1016/j.conengprac.2018.01.010
State	Published - Apr 2018

Keywords

Automated production system
Code instrumentation
Programmable logic controller
System testing
Test coverage assessment

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10.1016/j.conengprac.2018.01.010

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AB - An approach is introduced, which supports a testing technician in the identification of possibly untested behavior of control software of fully integrated automated production systems (aPS). Based on an approach for guided semi-automatic system testing, execution traces are recorded during testing, allowing for a subsequent coverage assessment. As the behavior of an aPS is highly dependent on the software, omitted system behavior can be identified and assessed for criticality. Through close cooperation with industry, this approach represents the first coverage assessment approach for system testing in production automation to be applied on real industrial objects and evaluated by industrial experts.

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KW - Code instrumentation

KW - Programmable logic controller

KW - System testing

KW - Test coverage assessment

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JO - Control Engineering Practice

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Increasing system test coverage in production automation systems

Abstract

Keywords

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