Design and build of a configurable adapter tester

OData support
Dr. Stumpf Péter Pál
Department of Automation and Applied Informatics

The automotive industry is strongly oriented towards self assisted vehicles. Using radar electronics could be a key to the development in this area. The adequacy of these radar sensors are tested in many different testing environments during the manufacturing process. The installation and maintenance of these special testing stations are carrying several problem opportunities. Most of the errors are generated either by the incorrect wiring or the damage of the measuring head’s, or simply by not correctly connecting to the products. To find the problematic points in a contacting unit is a really time consuming process, that could cause an inconvenient loss in the production too.

My task is to create a device, that is able to reveal errors of the measuring heads, by comparing them to the chosen adapter configurations. In my thesis, I analyse the application area of this device, and mention some relevant technical function errors that may occur during the production. In addition, I present my realisation plan of a circuit, that could test a faulty measuring adapter. The adapter used in the production often has different specifications, especially at different test stations. Therefore, it is important to keep configurability in mind during the planning.

In the next part of my thesis, I present a prototype designed and built by the plans, and cover essential characteristics of the components used in this realization. Moreover, I describe the code structure of the microcontroller that is controlling the device. Besides, I also show some important points of the code that is written in C++ programming language. After that, I try to illustrate, how easily a user could add some new adapter configurations to the database, and finally I show the user interface.

The implementation is prepared for the possibility of wider usage in the plant. So I present my PCB created for this task. I have implemented a modular design in terms of configurability and further possibilities.

Ultimately, I mention some suggestions for further development possibilities of this device.


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