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BlueROV2 in Gazebo Garden

Status: proof-of-concept, updated for Gazebo Garden binaries

This is a model of the BlueROV2, including support for both the base and heavy configurations, that runs in Gazebo Garden. It uses the BuoyancyPlugin, HydrodynamicsPlugin and ThrusterPlugin.

BlueROV2 Gazebo

Requirements

Please ensure that the following requirements have been met prior to installing the project:

See the Dockerfile for full installation details.

Running Gazebo

Gazebo can be launched using the following commands:

export GZ_SIM_RESOURCE_PATH=~/colcon_ws/src/bluerov2_ignition/models:~/colcon_ws/src/bluerov2_ignition/worlds
export GZ_SIM_SYSTEM_PLUGIN_PATH=~/ardupilot_gazebo/build
gz sim -v 3 -r <gazebo-world-file>

where <gazebo-world-file> should be replaced with either bluerov2_underwater.world for the BlueROV2 base configuration or bluerov2_heavy_underwater.world for the BlueROV2 Heavy configuration.

Once Gazebo has been launched, you can directly send thrust commands to the BlueROV2 model in Gazebo:

cd ~/colcon_ws/src/bluerov2_ignition
scripts/cw.sh <model_name>
scripts/stop.sh <model_name>

where <model_name> is replaced with the corresponding model defined in the world (i.e., bluerov2 for the bluerov2_underwater.world or bluerov2_heavy for the bluerov2_heavy_underwater.world).

Now launch ArduSub and ardupilot_gazebo:

cd ~/ardupilot
Tools/autotest/sim_vehicle.py -L RATBeach -v ArduSub -f <frame> --model=JSON --out=udp:0.0.0.0:14550 --console

where <frame> is replaced with either vectored for the BlueROV2 base configuration or vectored_6dof for the BlueROV2 Heavy configuration.

Note: if you run into problems switching between the vectored and vectored_6dof frame add the -w option to delete all ArduSub parameters.

Use MAVProxy to send commands to ArduSub:

arm throttle
rc 3 1450     
rc 3 1500
mode alt_hold
rc 5 1550
disarm

Additional information regarding the usage of each model may be found in a model's respective directory.

Caveats

  • The models need tuning

References