URDF
URDF (Unified Robot Description Format) is an XML-based specification used to describe the physical structure, kinematics, and visual properties of robots in robotics applications. It defines robot components such as links (rigid bodies), joints (connections between links), sensors, and actuators, enabling simulation, visualization, and control in robotics software frameworks like ROS (Robot Operating System). URDF files serve as a standard way to model robots for tasks such as motion planning, collision detection, and 3D rendering in simulators.
Developers should learn URDF when working on robotics projects, especially within the ROS ecosystem, as it is essential for simulating and controlling robots in environments like Gazebo or RViz. It is used for defining robot models for tasks like path planning, sensor integration, and testing algorithms without physical hardware, making it crucial for robotics research, industrial automation, and autonomous systems development.