collision-monitor

To prevent collisions in ROS 2 Nav2, a collision monitor enforces obstacle-aware velocity control by processing real-time LaserScan, PointCloud, and range sensor data to halt or slow mobile robots before impacts occur.

Configuring polygon safety zones in Nav2 involves defining PolygonStop and PolygonSlow areas in a YAML configuration file, allowing the collision monitor to execute stop or slowdown actions when obstacles enter these specific boundaries.

Yes, the Nav2 collision monitor supports seamless integration with real-time observation sources including LaserScan, PointCloud, and range sensors to actively safeguard against unexpected obstacles in dynamic environments.

Base_shift_correction is a configurable parameter in the ROS 2 collision safety monitor that adjusts the robot's footprint reference frame, ensuring accurate polygon-based safety zone enforcement and reliable obstacle detection during movement.

Yes, you can use a collision monitor as a final safety layer for warehouse robots in dynamic environments, configuring it to stop robots when people enter PolygonStop zones or slow them near obstacles within PolygonSlow zones.

The collision monitor should be the last node in the Nav2 velocity pipeline to ensure it serves as the final safety layer, intercepting and overriding velocity commands with obstacle-aware control before they reach the robot's actuators.