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Module 2: Digital Twin - Gazebo & Unity

This module focuses on creating and interacting with physics-based simulation environments for safe robot testing. You'll learn to use both Gazebo for physics simulation and Unity for visualization, creating a comprehensive digital twin of your robotic systems.

Learning Objectives​

By the end of this module, you will be able to:

  • Create physics-accurate simulation environments in Gazebo
  • Develop Unity visualizations for robot systems
  • Integrate simulation with real-world robot data
  • Implement sensor simulation matching real-world counterparts
  • Test robot behaviors in safe, reproducible environments

Prerequisites​

  • Completion of Module 1 (ROS 2 fundamentals)
  • Basic understanding of physics concepts
  • Familiarity with 3D visualization concepts

Overview​

Simulation is critical for safe testing and development of complex robot behaviors without risk of hardware damage. This module covers two complementary approaches to simulation: Gazebo for physics accuracy and Unity for high-quality visualization.

Structure​

This module is organized into the following sections:

  1. Gazebo Simulation - Physics-based simulation environments
  2. Unity Visualization - High-quality visualization
  3. Digital Twin Concepts - Integrating simulation with reality

Let's begin by exploring Gazebo simulation environments.