the BeagleBone Blue is not yet ready for a full Rover implementation.
Its missing the quadrature encoder-decoder (QEP) and brushed PWM using the internal PRU.
These feature are needed for the new Rover release to work as a hobby grade vehicle.
Industrial vehicles are generally using more advanced motor controller that have built-in PID and ramp profile based and arel including the quadrature encoder-decoder, making the use case for a hobby grade robotic system a little marginal.
About the BeaglePilot: You can read here https://github.com/BeaglePilot/beaglepilot
BeaglePilot project aims to create the first Linux-based autopilot for flying robots using the BeagleBone and this project is now inactive.
The only other working product using the BeagleBone is @mirkix excellent implementation on a DIY cape called the BBBMINI