Melbourne's Siemens trains had issues with overshoot. Speculation abounds about the root cause but the solution was eventually to equip the trains with on-board sanders, at great expense.
https://www.youtube.com/watch?v=JNNe6qYAIgohttps://www.youtube.com/watch?v=0__m62Kq364https://www.youtube.com/watch?v=s5kVfd0Jduk