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drive_gazebo_sim's Introduction

drive_gazebo_sim

Gazebo simulation of the vehicle used by the drive team.

Currently includes camera/distance sensors (including Lidar) and steering/torque motors with PID controllers and corresponding ROS interfaces.

Values are approximately physically correct, as they are based on datasheets where applicable, and on CAD models otherwise.

drive_gazebo_sim's People

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drive_gazebo_sim's Issues

Correct camera origin

Camera origin is currently too far in the front (front of the lens), does not reflect real placement

Teleop

Write simple teleop that publishes the correct UAVCAN message (might also be interesting for real car depending on connection quality)

Simulate brake/turn lights

Emissive materials are supported by Gazebo, should be possible to create a simple plugin to toggle emissivity on/off.

Important to reuse the logic from the electronics code.

Add textures to all objects

Exporting to f3d, importing to 3ds max and then exporting to IGES/DAE seemed to preserve some of the Autodesk Materials, should be enough for it to look properly.

Make car drive properly

Currently car launches itself to space, probably controllers are generating forces which are way too large.

Besides #8 fixing the max forces on each of the joints is also an option (maxForce, but seems to be deprecated).

Tune controller parameters

PID values of controllers added in #5 are currently not tuned, need to be determined.

  • steering control
  • torque vectoring

Correct physical values

Fix physical values of components

  • wheel inertia
  • wheel mass
  • chassis inertia
  • chassis mass
  • steering mass
  • steering inertia
  • sensors
  • friction of wheels

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