Simulation
Physics simulation for robots — MuJoCo, Isaac Sim, digital twins and the sim-to-real gap that decides whether a policy survives contact with hardware.
15 articles in this topic

Convert LAFAN1 G1 Motions to Foxglove MCAP
Dissect LAFAN1_MCAP_WORKING.py and convert G1 CSV poses into /tf MCAP for kinematic playback in Foxglove.

Bring Up G1 MuJoCo with Low-Level DDS
Bring up Unitree G1 in MuJoCo through SDK2 DDS: robot, scene, domain, interface, joystick, and real low-level topics.

Synthetic Data with Isaac Mimic
Trace the Isaac Lab Mimic GR-1 nut-pouring pipeline and separate ownership of seed demos, generated HDF5 rollouts, and normalization params.

Wheeled Lab: Train RC Car Drift Sim-to-Real with Isaac Lab
Beginner-friendly walkthrough of Wheeled Lab — open-source ecosystem to train RC cars to drift, climb, and visually navigate in Isaac Lab and deploy zero-shot to real hardware under $1000.

NVIDIA Newton 1.0: GPU Physics 475x Faster Than MJX
Hands-on guide to NVIDIA Newton 1.0 — the fastest open-source GPU physics engine for sim-to-real robotics, 475x faster than MJX.

Genie Sim 3.0: Training Humanoids with AGIBOT
Step-by-step guide to setting up Genie Sim 3.0 — AGIBOT's open-source simulation platform on Isaac Sim for training humanoid robots.
Digital Twins and ROS 2: Simulation in Manufacturing
Industrial simulation applications — digital twins, ROS 2 + Gazebo/Isaac integration for smart manufacturing.
ROS 2 A to Z (P7): Simulation, rosbag2 and Debug
Simulate robots in Gazebo Harmonic, record/replay data with rosbag2 (MCAP), and master the ROS 2 debugging toolkit — the series finale for beginners (Jazzy, June 2026).
Sim-to-Real Pipeline: From Training to Real Robot
End-to-end guide: train policies in simulation, evaluate, apply domain randomization, deploy to real robot, and iterate.

NVIDIA Isaac Lab: GPU-Accelerated RL Training from Zero
Setup Isaac Lab, train locomotion policies with 4,096 parallel environments and domain randomization on GPU.

Getting Started with MuJoCo: From Installation to First Robot Simulation
Hands-on MuJoCo tutorial — installation, MJCF model creation, robot arm simulation, and visualization with Python.
Simulation for Robotics: MuJoCo vs Isaac Sim vs Gazebo
Compare 3 leading simulators for robotics — physics accuracy, speed, ecosystem, and when to use each.

Domain Randomization: The Key to Sim-to-Real Transfer
Theory and practice of domain randomization — visual, dynamics, sensor randomization with successful case studies.
MuJoCo 3.x vs Isaac Lab 2025: Detailed Comparison
Benchmark physics accuracy, GPU throughput, ecosystem — choose the right simulator for your robotics project.
Digital Twin in Manufacturing: Smart Factory Simulation
Digital Twin in manufacturing allows smart factory simulation, process optimization and significantly reduced deployment costs.