Using Simulation to Build Robotic Systems for Hospital Automation | NVIDIA Technical Blog
… Step 4: Train physical AI policies Rheo supports two complementary training paths: Supervised fine-tuning SFT of GR00T models on curated datasets Online RL post-training proximal policy optimization via RL infrastructure, or PPO via RLinf to push hard precision stages over the line 4a GR00T fine-tu… …