A concept for PLC hardware-in-the-loop testing using an extension of structured text. - David Thönnessen; Niklas Reinker; Stefan Rakel; Stefan Kowalewski (ETFA, 2017)

Correctness Properties and Exemplified Applicability of a Signal Matching Algorithm with Multidimensional Tolerance Specifications. - David Thönnessen; Niklas Reinker; Stefan Rakel; Andrei Svetlakov; Stefan Kowalewski (CASE, 2018)

A Remote Test Environment for a Large-Scale Microcontroller Laboratory Course. - Manfred Smieschek; Stefan Rakel; David Thönnessen; Andreas Derks; André Stollenwerk; Stefan Kowalewski (CyPhy/WESE, 2019)

Designing the user interface of a ventilator under the constraints of a pandemic. - Lavinia Goldermann; Stefan Rakel; Mateusz Buglowski; Armin Mokhtarian; Alexandru Kampmann; Armin Janß; Okan Yilmaz; Frank Beger; Marian Walter; Steffen Leonhardt; Stefan Kowalewski; André Stollenwerk (Autom., 2024)