INTRO FS2016 Semester Closing with Robot Maze Challenge

“Learning-by-doing” is one of the core principles of my embedded systems and robotics course at the Lucerne University. For this the students apply what they learned using a robotics platform. In earlier semesters we did a Sumo battle at the end. This time the challenge was to build a remote controller plus to add the ability to explore and solve a line maze:

maze solving robots

maze solving robots

Like in Sumo battles, the robots had to play a match against each other: first to complete the manual driving part, then switch to autonomous maze exploration and solving. The robot who finish first wins the match. So it was not only necessary to fine tune and make the remote controller rock solid. It was as well necessary to make sure the maze and line following part was working with all the realtime aspects. So the sensor data acquisition and the PID closed loop controller had to be fine tuned for best performance and speed. The firmware runs with FreeRTOS on a NXP Kinetis K22FX512 microcontroller (see https://mcuoneclipse.com/2016/03/25/zumo-robot-with-magnetic-encoders/).

Intro_Zumo_Robot

Intro_Zumo_Robot

They had an example maze to train the robots. The maze layout for the finals were unknown until the event. Below are a few videos from the event:

The teams did very well, congratulations to all of them. The ranking is available on Challonge (http://challonge.com/FS2016).

Happy Mazinig 🙂

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