SIMULATION OF RAILWAY NETWORK USING KRONECKER ALGEBRA FOR OPTIMIZATION OF THE TRANSPORT FLOW

U sklopu projekta GoSAFE RAIL jedan radni paket posvećen je razvoju integriranog modela željezničke mreže koji će inkorporirati podatke o infrastrukturnim resursima kako bi omogućio sigurnu, pouzdanu i učinkovitu željezničku infrastrukturu. Uz pomoć mehanizma za simulaciju mikrorazina OpenTrack omogućuje optimizaciju kapaciteta i maksimalnu dostupnost mreže. Do sada optimizaciju su unaprijed definirali korisnici te je testirana, što je dovelo do propuštenih optimalnih rješenja. Taj modelacijski alat bit će u stanju dinamički optimizirati operacije, osobito tijekom degradiranog rada, koristeći algoritme optimizacije s više kriterija za rješavanje složenih zahtjeva. Korištenjem Kroneckerove algebre za optimizaciju, kao i programskog sučelja aplikativnog softvera (API) u sklopu studije željezničke mreže Zagreb – Rijeka, simulirano je ponašanje stvarnih protoka mreže kao dokaz o prihvatljivosti rješenja danih algoritmom.As a part of the project GoSAFE RAIL, one working package is dedicated to the development of the integrated model of the railway network which will incorporate the data on infrastructural resources in order to enable the safe, reliable and efficient railway infrastructure. Using the mechanism for simulation of micro-levels OpenTrack enables the optimization of the capacity and maximum availability of the network. Until now the optimization was defined in advance by the users and it was tested, which led to the missed optimum solutions. This modelling tool will be able to dynamically optimize the operations, especially during the degraded operations, using the algorithms for optimization with multiple criteria for solution of complicated requests. Using the Kronecker algebra for optimization as well as the programme interface of application software (API) as a part of the study of the railway network Zagreb – Rijeka, the behaviour of the real flows of the network was simulated as the proof on the acceptability of the solutions given by the algorithm