Differentiable Simulation
Differentiable simulation integrates physics engines directly into machine learning frameworks, enabling gradient-based optimization of complex systems. Current research focuses on applying this technique to robotics control (using algorithms like analytic policy gradients and short-horizon actor-critic), autonomous vehicle navigation, and inverse problem solving, often leveraging neural networks to improve efficiency and accuracy. This approach significantly enhances sample efficiency in reinforcement learning and allows for faster, more robust training of controllers and the identification of system parameters, impacting fields ranging from robotics and autonomous systems to materials science and particle accelerator physics.
Papers
Learning Object Properties Using Robot Proprioception via Differentiable Robot-Object Interaction
Peter Yichen Chen, Chao Liu, Pingchuan Ma, John Eastman, Daniela Rus, Dylan Randle, Yuri Ivanov, Wojciech Matusik
Residual Policy Learning for Perceptive Quadruped Control Using Differentiable Simulation
Jing Yuan Luo, Yunlong Song, Victor Klemm, Fan Shi, Davide Scaramuzza, Marco Hutter