AWS Deep Racer model for hackaton. Example Shangai track:

This is initial source the code used by Falk Tandetzky during the Deepracer Championship 2019, later updated.

Explanation of the reward function: https://medium.com/twodigits/aws-deepracer-how-to-train-a-model-in-15-minutes-3a0dca1175fb

The story: https://medium.com/twodigits/the-aws-deepraceing-championship-at-re-invent-in-las-vegas-and-how-i-got-there-2595394427d1