Regression Verification for Programmable Logic Controller Software

@inproceedings{Beckert2015RegressionVF,
  title={Regression Verification for Programmable Logic Controller Software},
  author={Bernhard Beckert and Mattias Ulbrich and Birgit Vogel-Heuser and Alexander Weigl},
  booktitle={ICFEM},
  year={2015}
}
Automated production systems are usually driven by Programmable Logic Controllers (PLCs). These systems are long-living – yet have to adapt to changing requirements over time. This paper presents a novel method for regression verification of PLC code, which allows one to prove that a new revision of the plant’s software does not break existing intended behavior. Our main contribution is the design, implementation, and evaluation of a regression verification method for PLC code. We also clarify… CONTINUE READING
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Regression verification of programmable logic controller software

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Researching evolution in industrial plant automation: Scenarios and documentation of the pick and place unit

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