scholarly journals MATHEMATICAL MODEL FOR THE EVOLUTIONARY DYNAMIC OF INNOVATION IN CITY PUBLIC TRANSPORT SYSTEMS

2019 ◽  
Vol 7 (2) ◽  
pp. 77
Author(s):  
Hernán Darío Toro-Zapata ◽  
Gerard Olivar-Tost
Keyword(s):  
Mathematical Model ◽  
Public Transport ◽  
Transport Systems ◽  
Evolutionary Dynamic

scholarly journals Mathematical model for the evolutionary dynamics of innovation in city public transport systems

Memorias ◽  
2018 ◽  
pp. 36-50
Author(s):  
Hernán Darío Toro-Zapata ◽  
Gerard Olivar-Tost
Keyword(s):  
Mathematical Model ◽  
Transport System ◽  
Public Transport ◽  
Evolutionary Dynamics ◽  
Adaptive Dynamics ◽  
Transport Systems ◽  
State Variables ◽  
Long Term Study ◽  
Long Term Behavior

In this study, a mathematical model is formulated and studied from the perspective of adaptive dynamics (evolutionary processes), in order to describe the interaction dynamics between two city public transport systems: one of which is established and one of which is innovative. Each system is to be influenced by a characteristic attribute; in this case, the number of assumed passengers per unit it that can transport. The model considers the proportion of users in each transport system, as well as the proportion of the budget destined for their expansion among new users, to be state variables. Model analysis allows for the determination of the conditions under which an innovative transportation system can expand and establish itself in a market which is initially dominated by an established transport system. Through use of the adaptive dynamics framework, the expected long-term behavior of the characteristic attribute which defines transport systems is examined. This long-term study allows for the establishment of the conditions under which certain values of the characteristic attribute configure coexistence, divergence, or both kinds of scenarios. The latter case is reported as the occurrence of evolutionary ramifications, conditions that guarantee the viability of an innovative transport system. Consequently, this phenomenon is referred to as the origin of diversity.

scholarly journals A GIS-Based Methodology for Evaluating the Increase in Multimodal Transport between Bicycle and Rail Transport Systems. A Case Study in Palermo

2021 ◽  
Vol 10 (5) ◽  
pp. 321
Author(s):  
Alessandro Emilio Capodici ◽  
Gabriele D’Orso ◽  
Marco Migliore
Keyword(s):  
High School ◽  
Public Transport ◽  
Choice Model ◽  
Rail Transport ◽  
Transport Systems ◽  
Sustainable Mobility ◽  
Transit System ◽  
Modal Choice ◽  
Transport Services ◽  
Multimodal Transport

Background: In a world where every municipality is pursuing the goals of more sustainable mobility, bicycles play a fundamental role in getting rid of private cars and travelling by an eco-friendly mode of transport. Additionally, private and shared bikes can be used as a feeder transit system, solving the problem of the first- and last-mile trips. Thanks to GIS (Geographic Information System) software, it is possible to evaluate the effectiveness of such a sustainable means of transport in future users’ modal choice. Methods: Running an accessibility analysis of cycling and rail transport services, the potential mobility demand attracted by these services and the possible multimodality between bicycle and rail transport systems can be assessed. Moreover, thanks to a modal choice model calibrated for high school students, it could be verified if students will be really motivated to adopt this solution for their home-to-school trips. Results: The GIS-based analysis showed that almost half of the active population in the study area might potentially abandon the use of their private car in favour of a bike and its combination with public transport systems; furthermore, the percentage of the students of one high school of Palermo, the Einstein High School, sharply increases from 1.5% up to 10.1%, thanks also to the combination with the rail transport service. Conclusions: The GIS-based methodology shows that multimodal transport can be an effective way to pursue a more sustainable mobility in cities and efficiently connect suburbs with low-frequent public transport services to the main public transport nodes.

scholarly journals A Study on the Corridor of Urban Public Transport Systems in Japan

2005 ◽  
Vol 22 ◽  
pp. 643-650
Author(s):  
Tsutomu YABE ◽  
Fumihiko NAKAMURA ◽  
Toshiyuki OKAMURA
Keyword(s):  
Public Transport ◽  
Transport Systems ◽  
Urban Public Transport

scholarly journals A Novel Model for Determining Public Service Compensation in Integrated Public Transport Systems

2018 ◽  
Vol 10 (9) ◽  
pp. 2969 ◽  
Author(s):  
Gordan Stojić ◽  
Dušan Mladenović ◽  
Olegas Prentkovskis ◽  
Slavko Vesković
Keyword(s):  
Public Service ◽  
Public Transport ◽  
Free Market ◽  
Transport Systems ◽  
Passenger Transport ◽  
Market Conditions ◽  
The Public ◽  
Transport Services ◽  
Optimal Approach ◽  
Novel Model

In free market conditions, if public passenger transport services are commercially unprofitable, there will be no interest for transport companies to perform them. However, directly because of the citizens’ interests, on the one hand, and indirectly because of the economy, passenger public transport services have become of a general public interest. The authorities must prepare appropriate legal fair market conditions, based on which public transport will be subsidized and conducted. In order to achieve that, for the mutual benefit of the public, users and transport companies, it is necessary that the right Public Service Obligation Model (PSO model or in some literature PCS—Public Service Compensation) be defined. Within this study, the optimal approach to assigning a PSC contract to transport companies for performing the PSO in integrated and regular public passenger transport systems is determined. A novel model, presented in this paper, can help national, regional and local authorities to choose and determine the way and level of PSCs for conducting the public transport of passengers and establishing a sustainable public passenger transport system.

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