Fig. 17From: On the real time modeling of interlocking system of passenger lines of Rawalpindi Cantt train stationLight driver timed automaton with controlling two lights. start, occupancy, light1, light2, light1Red, light2Red, watchdog1, watchdog2,error, send \(\_\) confirmation, greenall, conra, conrac, conrb, conrbc, cancelwait, cancel, light2red, light2redc, train \(\_\) leave and exit are the states, signalorder, cancelsignal, checkOccu, confirmOccu, confirmNoccu, dogreen1, dored1, confirmgreen1, confirmred1, lterror, dogreen2, dored2, confirmgreen2, confirmred2, allgreen, trainEnter, trainLeave and ended are the channels, a is a boolean variable and x is the clock variableBack to article page