%0 Journal Article %T Evaluation of Diesel Locomotive Performance Using Controlled Valves %A Hamidov, O.R. %A Kulmanov, B.T. %K Controlled gas distribution drives, efficiency, valve timing, gas distribution phases, diesel, valve %J Proceedings of Petersburg Transport University %D 2023 %N 20 %P 8 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"