TY JOUR TI Analytical Model for Calculating the Speed at Starting Hydroplaning in Unmanned Control Algorithms KW hydroplaning; road safety; critical speed; mathematical modelling; road conditions; water film on road surface; unmanned vehicles JO Transport automation research AU Kuverin, I.Y. AU Guseva, I.A. AU Gusev, S.A. PY 2025 IS 11 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"