Stohastični model za spremljanje in analizo vpliva razpoložljivosti železniškega prometnega sistema na razpoložljivost železniškega omrežja

Abram, Miran

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Title:	Stohastični model za spremljanje in analizo vpliva razpoložljivosti železniškega prometnega sistema na razpoložljivost železniškega omrežja
Authors:	ID Abram, Miran (Author) ID HUDOKLIN BOŽIČ, ALENKA (Mentor) More about this mentor...
Files:	MAG_Abram_Miran_2012.pdf (3,72 MB) MD5: 793FD735CCA755E29201CE3C27E3A138 PID: 20.500.12556/dkum/0529c223-ca91-4f1b-8715-b393ddb566f5
Language:	Slovenian
Work type:	Master's thesis
Organization:	FOV - Faculty of Organizational Sciences in Kranj
Abstract:	V magistrski nalogi smo razvili stohastični model za spremljanje in analizo razpoložljivosti prometnega sistema in model nadgradili v model za spremljanje in analizo vpliva razpoložljivosti prometnega sistema na razpoložljivost prometnega omrežja v eksploataciji. Prometni sistem smo obravnavali kot tehnični sistem, sestavljen iz določenega števila zaporedno vezanih podsistemov; prometno omrežje pa kot sistem, v katerem je medsebojni vpliv med razpoložljivostjo prometnega sistema na posameznih relacijah znotraj prometnega omrežja in razpoložljivostjo prometnega omrežja kot celote, glavni mehanizem, ki definira učinkovitost prometnega omrežja. Model za spremljanje in analizo razpoložljivosti prometnega sistema smo preskusili na določeni železniški progi železniškega prometnega omrežja na območju Republike Slovenije; model za spremljanje in analizo vpliva razpoložljivosti prometnega sistema na razpoložljivost prometnega omrežja pa smo preskusili na železniškem prometnem omrežju na V. in X. evropskem železniškem omrežju na območju Republike Slovenije. Za validacijo modelov smo uporabili podatke o eksploataciji obeh sistemov v določenem preteklem časovnem obdobju. Za potrebe zbiranja in obdelave podatkov smo razvili bazo podatkov o razpoložljivoti železniških prog, pri čemer smo uporabili prototipni pristop. Za potrebe izračunavanja izbranih relevantnih karakteristik razpoložljivosti sistema smo izdelali ustrezno programsko opremo. Rezultati validacije modela za spremljanje in analizo vpliva razpoložljivosti prometnega sistema na razpoložljivost prometnega omrežja v eksploataciji kažejo, da model daje realne rezultate in omogoča opredelitev kritičnih elementov prometnega sistema s stališča razpoložljivosti, spremljanje razpoložljivosti prometnega omrežja v določenem časovnem obdobju ter oceno učinkovitosti prometnega omrežja, glede na predhodno opredeljene kriterije; opredelitev ukrepov za izboljšanje razpoložljivosti prometnega omrežja in s tem povečanje učinkovitosti prometnega omrežja pri doseganju ekonomski in drugih družbeno političnih cijev v določenem planskem obdobju.
Keywords:	prometni sistem, prometno omrežje, stohastični model, baza podatkov o razpoložljivosti, programska oprema, razpoložljivost in učinkovitost prometnega omrežja.
Place of publishing:	Maribor
Year of publishing:	2012
PID:	20.500.12556/DKUM-22614
COBISS.SI-ID:	7101203
NUK URN:	URN:SI:UM:DK:VHY8RH7E
Publication date in DKUM:	09.01.2013
Views:	2760
Downloads:	245
Metadata:
Categories:	FOV
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Secondary language

Language:	English
Title:	Stochastic model for following and analysing impact of availability of railway traffic system on availability of railway network
Abstract:	In this master’s thesis we developed a stochastic model for monitoring and analysis of the availability of the traffic system and upgraded the model into a model for monitoring and analyzing the impact of the availability of the traffic system on the availability of traffic network in the exploitation. The traffic system we defined as technical system which consisting of exactly specify number of serially connected sub-systems; the traffic network we defined as a system in which the interaction between the availability of the traffic system on individual routes within the traffic network and the availability of the traffic network as a whole, is the main mechanism that defines the effectiveness of traffic network. Model for monitoring and analysis of the availability of the traffic system we tried on a particular railway of traffic network in the Republic of Slovenia; model for monitoring and analyzing the impact of the availability of the traffic system on the availability of traffic network we tried on railway traffic network on V. and X. European railway network in the Republic of Slovenia. For validation of the models we used data from the exploitation of both systems in a certain past time period. For the purposes of collecting and analyzing the data we have developed a database of availability of railway lines, where we used a prototyping approach. For the purposes of calculating the selected relevant characteristics of system availability we have made on the appropriate software.The results of the validation of the model for assessing and analyzing the impact of the availability of the traffic system on the availability of the traffic network during operation indicate that the model gives realistic results, and allows the identification of critical elements of the traffic system in terms of availability, monitoring the availability of traffic network within the specified time period and assess efficiency of the traffic network on the previously defined criteria, identifying measures to improve the availability of traffic network and thereby increasing efficiency of the traffic network in achieving economic and other socio-political objectives in a given planning period.
Keywords:	traffic system, traffic network, stohastic model, database availability, software, availability and effectiveness of the traffic network.

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