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Internship/Graduation: Hardware In the Loop (HIL) Testing

Enschede

Engineering

Student

In the past years DEMCON has developed many mechatronic systems. Often such a system consists of a PLC system to allow users to control systems.

It is very important that applications & functions running on a PLC actually perform the way it’s intended by the engineer who implemented it. Most often function tests are performed manually and on the hardware of the end-product, but this increases risk of damage. To ensure this does not happen, these (function)tests should be performed before actually deploying the software.

It is possible to automatically perform function tests directly on a (sub)set of hardware, this is called Hardware in the Loop (HIL) testing. With a HIL test system you can test your software directly on a hardware platform without having the complete system present. You can also verify functions by overriding In and Output signals to make sure the software is robust and works as intended.

The added benefit of performing such tests is that it reduces the time required for testing and validation of the software during the integration and testing phase of a project.

Over Demcon

Each one of our companies differentiates itself in its own domain with unique expertise and skills. This way they help customers improve their performance and achieve more. On the basis of their passion for technology our companies are able to combine forces. By sharing knowledge and working together we increase our social impact. Demcon high-tech systems is a multidisciplinary development and engineering partner for mechatronic challenges, from concept to realization, in the field of high-tech systems.

Wat ga je doen?

During this assignment you will:

Learn about Bachmann VxWorks PLC system, Debuggers, VSCode and Git
Program in C++ and Pytho
Learn how to set up a CI/CD system in Gitlab
Design and implement a simple C++ PLC program for a Bachmann test system
Set up an CI/CD build system in Gitlab for automated unit, function & integration testing
Write simple function tests that can be run on the PLC
Use Python to implement the function tests used to automatically verify the system
Use Data Acquisition system to read and write digital & analogue inputs/outputs
Present the outcome of the research within DEMCON

Heb je nog vragen over deze functie?

If you would like to receive more information concerning the internship, you can contact Mike Evers, software engineer (phone: 088 115 2000). If you would like to apply for the internship, please send your motivation letter and resume to Marleen Blanckenborg, recruiter (e-mail: recruitment@demcon.nl).

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