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2026-04-05·Robotics

Sim-to-Real Transfer: Training Robots in Photorealistic Simulation

Closing the reality gap with advanced simulation techniques that enable direct transfer to physical robots.

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Sim-to-Real Transfer: Training Robots in Photorealistic Simulation

Training robots in the real world is expensive and dangerous. Our simulation platform enables safe, scalable robot learning.

The Reality Gap

Policies trained in simulation often fail when deployed because:

  • Visual appearances differ
  • Physics are simplified
  • Sensor noise is missing
  • Edge cases are rare

Our Solution: 7lineas-Sim

A comprehensive simulation platform featuring:

  • Photorealistic rendering (path tracing)
  • Accurate physics (contact, deformation, fluids)
  • Procedural environment generation
  • Domain randomization at scale

Technical Details

Rendering pipeline:

  • 4K resolution at 120fps
  • Ray-traced global illumination
  • Subsurface scattering
  • Physically-based materials

Physics engine:

  • Position-based dynamics
  • Finite element methods
  • Differentiable simulation
  • Multi-body contact

Transfer Results

Zero-shot transfer success rates
TaskPrior Methods7lineas-Sim
Grasping45%89%
Navigation62%94%
Manipulation23%71%
Assembly12%58%

Applications

Currently deployed in:

  • Warehouse automation
  • Surgical robotics
  • Autonomous vehicles
  • Industrial inspection
2026

Author

Dr. Yuki Tanaka