Robuta

https://pure.psu.edu/en/publications/friction-detection-from-stationary-steering-manoeuvres/ Friction detection from stationary steering manoeuvres - Penn State friction detection stationary steering manoeuvres penn https://pure.psu.edu/en/publications/onboard-detection-of-rail-friction-conditions/ Onboard detection of rail friction conditions - Penn State onboard detection rail friction conditions