Power Distribution Module (PDM) software development in the BME Formula Student project

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Scherer Balázs Attila
Department of Measurement and Information Systems

Since September 2013 I am a member of the BME Formula Racing Team which is made up of the students attending the Budapest University of Technology and Economics. Since the foundation the team takes part in Formula Student cotetion competition every year. During this international contest we pit our strength against other bands as well as our racecars.

The continuous developing is extremely essential to keep up with the other participants at the pitch. Thanks to the developement, students have newer and newer challanges. As a junior I got the power distribution module to assamble and write its software, if it is necessary I shouldmake a proposal for the further expansion.

I got the ready schematics and PCB plans, so I didn’t take part in the hardware developement process. During the assembly procedure I made proposals regarding thefailures I noticed

After soldering and succesfully switching on the modul, the next task I had to do was to specify the embedded software. This means a system plan which relieves the coding phase.

The PDM can execute a predefined startup process and make basic diagnostics with the complete software. It can also supervise the consumption of the connected devices.

The last step of the expansion is testing. I tested the PDM with the wire harness of the car. The results are excellent, the PDM can switch on all of the moduls via the wire harness.


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