TY JOUR TI Apron robotization as a factor of increasing the economic efficiency of the airport: control of unmanned tractors and ladders from a single automated control system center for ground surveillance KW apron robotization KW economic efficiency KW unmanned tractor KW telescopic ladder KW automated ground handling control system (ACS) KW unified control center KW operating costs KW ROI KW cost reduction KW labor productivity KW airport digital transformation KW machine vision KW lidar KW RTK navigation KW fleet management system KW functional safety JO Journal of Applied Research AU Aleshina, K.D. AU Minakova, T.A. AU Tsyrulnikova, V.R. AU Sokolov, O.A. PY 2026 IS 0 PB ITBO University