Training Humanoid Robots for Real-World Applications
Training humanoid robots to operate in fields that demand high levels of interaction and adaptability—such as scientific research, healthcare, and manufacturing—can be a challenging and resource-intensive feat.
Developing Humanoid Robot GR-2 with NVIDIA Isaac Gym
To develop and test GR-2, the Fourier team turned to NVIDIA Isaac Gym (now deprecated) for reinforcement learning. They are currently porting their workflows to the recently launched NVIDIA Isaac Lab, an open-source modular framework for robot learning designed to simplify how robots adapt to new skills.
Sim-to-real learning has become essential for robotics, especially for complex movements like sitting down, getting up, or even dancing. With Isaac Gym, Fourier was able to simulate real-world conditions, minimizing the time and cost of testing and maintenance.
Optimizing AI for Real-World Robotics
While training GR-2 for the floor-to-stand maneuver, Fourier simulated the physical demands required for completing tasks at different levels of elevation. By replicating the GR-2 model, they tested how it performs under various settings and completed 3,000 iterations in around 15 hours, a notable reduction compared to traditional training methods. When transferred directly to GR-2’s physical controls, the model’s action tensors achieved an 89% success rate.
Exploring Next-Generation Robotic Capabilities
By adopting NVIDIA technologies, Fourier significantly reduced model training times and improved the accuracy of simulations, which resulted in enhanced collaboration across its engineering and R&D teams.
NVIDIA tools also opened the door to complex AI functions like language models and predictive analytics, previously too resource-heavy to implement.
Conclusion
The advancements achieved by Fourier in developing GR-2 humanoid robots demonstrate the potential of AI-driven robotics in various industries. By leveraging NVIDIA technologies, Fourier has improved the accuracy and efficiency of simulations, enabling the development of more complex algorithms and applications.
Frequently Asked Questions
Q: What is the purpose of the Fourier GR-2 humanoid robot?
A: The Fourier GR-2 humanoid robot is designed for real-world applications that require high levels of interaction and adaptability, such as scientific research, healthcare, and manufacturing.
Q: How did Fourier use NVIDIA Isaac Gym for GR-2 development?
A: Fourier used NVIDIA Isaac Gym for reinforcement learning and sim-to-real learning to develop and test GR-2, minimizing the time and cost of testing and maintenance.
Q: What are the benefits of using NVIDIA technologies for GR-2 development?
A: NVIDIA technologies enabled Fourier to significantly reduce model training times, improve the accuracy of simulations, and enhance collaboration across its engineering and R&D teams.
Q: What is the next step for Fourier in developing GR-2 humanoid robots?
A: Fourier is currently porting its workflows to the recently launched NVIDIA Isaac Lab, an open-source modular framework for robot learning designed to simplify how robots adapt to new skills.

