Robotics – TildAlice

RT-2 & OpenVLA Explained: Vision Transformers + Action Tokens

2026년 07월 25일

Compare RT-2 and OpenVLA architectures: how Vision Transformers tokenize robot actions for end-to-end control. Key differences explained.

2026년 05월 19일

Master ROS2 topic inspection, service debugging & message analysis with 15 essential CLI commands—from echo to bandwidth monitoring.

2026년 04월 23일

Learn how ROS2 lifecycle nodes manage Nav2 stack states—plus 5 common mistakes that cause navigation failures and how to debug them.

2026년 03월 21일

Compare PPO, SAC, and TD3 in robotic manipulation tasks. Benchmark results reveal which algorithm handles sparse rewards and contact dynamics best.

2026년 02월 13일

Implement Soft Actor-Critic from scratch — maximum entropy RL, twin Q-networks, automatic temperature tuning, and when to choose SAC over PPO.

2026년 01월 26일

Bridge the sim-to-real gap: domain randomization cut our robot failure rate by 73%. Here's the exact transfer learning pipeline we used.

2026년 01월 26일

Reward shaping doubled our RL agent's success rate. Compare dense vs sparse rewards, risk-adjusted trading, and curriculum learning with benchmarks.