Architecture for Digital Twin-Based Reinforcement Learning Optimization of Cyber-Physical Systems. - Elias Modrakowski; Niklas Braun; Mehrnoush Hajnorouzi; Andreas Eich; Narges Javaheri; Richard Doornbos; Sebastian Moritz; Jan-Willem Bikker; Rutger van Beek (ECSA (Tracks, Workshops and Doctoral Symposium), 2023)