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Usability Evaluation on Teaching and Applying Model-Driven Object Oriented Approaches for PLC Software

Usability Evaluation on Teaching and Applying Model-Driven Object Oriented Approaches

for PLC Software

Teilprojekt von Modellbasierte Programmierung für verteilte Automatisierungssysteme

(ModVar)

Beteiligte Institutionen: Pädagogische Hochschule Weingarten

Technische Universität München

Projektleitung: Prof. Dr. Karin Schweizer

Prof. Dr. Birgit Vogel-Heuser (TU München)

Mitarbeiter/-innen: Fabian Jobst

Martin Obermeier (TU München)

Steven Braun (TU München)

Laufzeit: 11/2010 bis 10/2011

Finanzierung: Bayerisches Staatsministerium für Wissenschaft, Forschung

und Kunst und die Universität Bayern e.V.

Kurzbeschreibung:

Interdisziplinäres Verbundprojekt (Psychologie und Automatisierungstechnik)

 

In machine and plant automation, model-driven object oriented (oo) programming of

Programmable Logic Controller (PLC) software is becoming an alternative to the state-of-theart

programming. The research group previously conducted experiments on the usability of

the classic procedural paradigm (IEC 61131-3) compared to model-driven approaches for

PLC programming, in particular Unified Modeling Language (UML) and domain specific

modeling languages. Subsequently, this is the newest study on this issue, comparing

state-of-the-art FDB (IEC 61131-3) programming approach to a model-driven UML supported

approach. The design of the study, the influence of cognitive and motivational factors

on the programming performance and the retrospective subjective ratings of the

programming approaches applied were key responsibilities of the Weingarten research

group.

Finally, we show the study’s results and discuss our findings and their meaning for future

experiments, concerning the complexity of the tasks required to develop a PLC-program,

the influence of previous knowledge, and the realization of constant boundary conditions

for experimental studies.

 
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