background: national transport commission (ntc) classifies train driving as a high-level safety critical job. objective: to assess fitness-for-work among train drivers in yazd, central iran. methods: we evaluated 152 train drivers for their fitness for duty. the results were then compared with ntc guidelines. results: 63.8% of subjects were fit for duty, 34.2% fit subject to review, and 2.0% we...

The CENELEC TS 50701 is the first encompassing standard aiming at governing cybersecurity risk management processes within railway industry. Although technical maturity of this framework undeniable, its application in practical projects still an active field discussion among practitioners, especially when dealing communication-heavy subsystems. Among such subsystems, signaling most critical one...

Aiming at the problems of punctuality, parking accuracy and energy saving urban rail train operation, an intelligent control method for automatic operation (ATO) based on deep Q network (DQN) is proposed. The dynamics model established under condition satisfying safety principle various constraints driving train. Considering transformation rules sequences working conditions between stations, ag...

in order to improve the performance of irrigation networks, provide higher flexibility levels and improve water delivery methods, application of automatic control systems is suggested. in the coarse of the present study, a mathematical model of automatic pivot weir as based on pid control logic in combination with icss hydrodynamic model is developed. the developed model was tested under high f...