At the motorway interchange Dortmund / Unna take motorway A44 with direction to Dortmund. A44 will turn automatically into B1. Exit at Dortmund-Dorstfeld, Universität. Then follow the map.
Exit at Dortmund-Eichlinghofen, Universität. Then follow the map.
You can go to the cab pool outside the station. If you prefer using public transport, get on the subway S1 with direction to Solingen Hbf (leaving in 20 minutes intervals). Get off at "Dortmund Universität" (6 minutes ride). Then go on walking across the campus (about 10 minutes) or take the bus line 462 with direction to Huckarde or line 445 with direction to Technologiezentrum (3 minutes ride). Get off at the bus stop "Joseph-v.-Fraunhofer-Str." - directly in front of the PSI FLS Fuzzy Logik & Neuro Systeme GmbH office.