Dissertations / Theses on the topic 'Transportation disruption'
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Lekhavat, Saowanit. "Managerial rules for recovering from a disruption event in liner shipping." Thesis, Brunel University, 2019. http://bura.brunel.ac.uk/handle/2438/17564.
Full textGuo, Zhuo. "Tabu search for parallel identical machine disruption problem considering multiple transportation modes /." View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?IEEM%202006%20GUO.
Full textDoering, Michael [Verfasser], and L. [Akademischer Betreuer] Wolf. "Disruption Tolerant Vehicular Communication in Public Transportation Systems / Michael Doering ; Betreuer: L. Wolf." Braunschweig : Technische Universität Braunschweig, 2012. http://d-nb.info/1175822663/34.
Full textFialkoff, Marc Richard. "Assessment of the Jones Act Waiver Process on Freight Transportation Networks Experiencing Disruption." Diss., Virginia Tech, 2017. http://hdl.handle.net/10919/89069.
Full textPHD
Papangelis, Konstantinos. "User driven design of real time passenger information solutions for supporting rural passengers in the context of disruption." Thesis, University of Aberdeen, 2015. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=228210.
Full textEros, Emily J. (Emily Jean). "Transportation data as disruptive innovation in Mexico City." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/90096.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (pages 76-84).
Despite the popularity of big data and smart city initiatives in rich countries, relatively few city governments in the Global South possess even basic information about public transportation routes and operations within their jurisdictions. The growing ubiquity of affordable mobile phones and internet-capable devices has enabled some developing cities to begin collecting and compiling these data. This thesis uses a 2013 data collection project undertaken within the Federal District of Mexico City as a case study to examine the role of information as a disruptive innovation in the transportation sector; it explores the potential impacts of transportation information on microbus regulators, owners/operators, and users. To do so, it draws from literature reviews, interactions with transportation agency staff, and interviews with microbus operators. Findings suggest that increased static information may increase government power with respect to microbus operators, particularly during franchising negotiations, but that it may offer limited benefits to users. Dynamic (i.e., real-time) sensors could benefit regulators, owners, and users alike, but would require genuine support or tolerance from microbus drivers. If the government continues to expand its current franchise attempts, then real-time data collection would be achievable and could offer benefits to all involved parties. Otherwise, it would be unfeasible to incentivize drivers to allow live-tracking to take place on their vehicles. Regardless, the case study suggests that transportation information can play a significant role in changing the regulatory dynamics within the Global South and encourages further efforts in the field.
by Emily J. Eros.
M.C.P.
Kazemi, Yasaman. "Modeling Petroleum Supply Chain: Multimodal Transportation, Disruptions and Mitigation Strategies." Diss., North Dakota State University, 2016. http://hdl.handle.net/10365/25830.
Full textUpper Great Plains Transportation Institute (UGPTI)
Mountain Plains Consortium (MPC)
Starita, Stefano. "Optimization approaches to protect transportation infrastructure against strategic and random disruptions." Thesis, University of Kent, 2016. https://kar.kent.ac.uk/56634/.
Full textNjuguna, Esther Nyokabi. "A longitudinal analysis of passenger travel disruptions in the National Air Transportation System." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/90073.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (pages 134-135).
Recent research on the U.S. National Air Transportation System has shown that approximately 50% of delays suffered by passengers are a result of passenger travel disruptions in the form of either flight cancellations or missed connections. There exists significant variation in the propensity for disruptions across airports and carriers, based on key factors such as scheduling practices, network structures, and passenger connections. In this thesis, we conduct a longitudinal analysis of passenger travel disruptions in the U.S. over the 2006 - 2010 calendar years and analyze the trends in, and impacts of, various scheduling and operational factors across the years. We illustrate the interdependencies of carrier-related factors and airport-related factors, and the resulting impact on passenger travel disruptions. In our analysis, we use passenger travel data spanning five years. This passenger travel data is estimated from publicly available data sources using a methodology previously developed to disaggregate passenger demand data. We find that across the years, flight cancellations, which are the leading cause for passenger disruptions, vary substantially across carriers even when baseline variability across airports is accounted for. Both passenger and operational considerations play a very significant role in cancellation decisions. We explore the effect of load factors and flight frequency on cancellation rates across the carriers and determine that the level of impact of these two factors varies across carrier types, with the cancellation decisions among the regional carriers being influenced more by load factor considerations than by flight frequency. Much of the variability in missed connections at the airport and carrier level can be explained by the flight delays observed. However, an airline's scheduling practices are also a critical factor that affects the rate of misconnections. Highly banked (peaked) flight schedules reduce passenger connection times and result in higher misconnection rates. We find that significant trends and events in the aviation industry, including the Valentine's Day Storm of February 14, 2007, the demise of Aloha Airlines in 2008, the trend towards capacity discipline among legacy carriers after 2008, and Delta and Northwest Airlines' merger in 2010 have had a significant impact on both cancellations and misconnections.
by Esther Nyokabi Njuguna.
S.M. in Transportation
何志文 and Chi-man Ho. "Contingency planning for transport services under adverse weather and other disruptions." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B27012566.
Full textVischio, Andrew Joseph. "An analysis of methodologies to estimate the economic impacts of freight transportation system disruptions." Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37284.
Full textLarsen, Tulinda Deegan. "A Behavioral Framework for Managing Massive Airline Flight Disruptions through Crisis Management, Organization Development, and Organization Learning." Thesis, University of Maryland University College, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=3588457.
Full textIn this study the researcher provides a behavioral framework for managing massive airline flight disruptions (MAFD) in the United States. Under conditions of MAFD, multiple flights are disrupted throughout the airline's route network, customer service is negatively affected, additional costs are created for airlines, and governments intervene. This study is different from other studies relating to MAFD that have focused on the operational, technical, economic, financial, and customer service impacts. The researcher argues that airlines could improve the management of events that led to MAFD by applying the principles of crisis management where the entire organization is mobilized, rather than one department, adapting organization development (OD) interventions to implement change and organization learning (OL) processes to create culture of innovation, resulting in sustainable improvement in customer service, cost reductions, and mitigation of government intervention. At the intersection of crisis management, OD, and OL, the researcher has developed a new conceptual framework that enhances the resiliency of individuals and organizations in responding to unexpected-yet-recurring crises (e.g., MAFD) that impact operations. The researcher has adapted and augmented Lalonde's framework for managing crises through OD interventions by including OL processes. The OD interventions, coupled with OL, provide a framework for airline leaders to manage more effectively events that result in MAFD with the goal of improving passenger satisfaction, reducing costs, and preventing further government intervention. Further research is warranted to apply this conceptual framework to unexpected-yet-recurring crises that affect operations in other industries.
Yang, Yanyan. "Towards more efficient and resilient supply chain management through interconnection of logistics networks." Thesis, Paris Sciences et Lettres (ComUE), 2016. http://www.theses.fr/2016PSLEM036/document.
Full textIrrespective of significant performance achieved, today’s logistics networks are overwhelmingly dedicated to an actor and therefore poorly interconnected. This fragmentation exhibits inevitable inefficiency and needs to be changed in respond to today’s new arising challenges in efficiency and resilience. To solve this antagonism, an innovative concept - Physical Internet (PI) - has been proposed which is a fully interconnected, open, dynamic logistics system. In such a system, the facilities and means of transportation can be dynamically organized and allocated in the short-term or long-term according to the economic environment. As a result, decisions can be made dynamically, agilely, and thus optimally. This thesis studies the perspectives of the PI to inventory management and transportation regarding the challenges in efficiency and resilience.As the efficiency of the PI to transportation has been carried out in literature, the first objective of this thesis is to explore the potentials of the PI to inventory management. To this end, we firstly qualitatively examine the new practices brought by the PI and conclude three main characteristics: 1) Distributed stocks near end customers; 2) Transshipment of inventories; and 3) multiple dynamic source options. Corresponding inventory models and solutions are proposed and evaluated with numerical experiments in Fast Moving Consumer Goods (FMCG). This part of study gives a guideline for the vendors applying the PI to make inventory decisions in such an open logistic system.The second objective is to analyze the resilience of the proposed PI enabled inventory and transportation model confronted to disruptions. The proposed inventory and transportation model are extended with different disruptions at facilities including plants and hubs. Different disruption strategies are developed. Numerical studies in FMCG are carried out.In a word, this research investigates the inventory management in the PI and the resilience of PI enabled logistics models. It is the first time such a work is done and it should be upfront. From the results of studies, there is no doubt that the PI changes today’s supply chains design and improve the performance of supply chain management both in efficiency, effectiveness and resilience
Magnusson, Fredrik, and Fredrik Widegren. "Hyperloop in Sweden : Evaluating Hyperloops Viability in the Swedish Context." Thesis, KTH, Industriell ekonomi och organisation (Inst.), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-235621.
Full textTransporters roll i samhället blir allt viktigare och de har idag en framträdande roll inom näringsliv, medborgares liv samt världsekonomin. Den ökande globaliseringen och urbaniseringen sätter dock ett betydande tryck på det existerande transportsystemet, med ökande efterfrågan för höghastighetsalternativ. Detta medför implikationer för miljön, och oron kring transporters miljöpåverkan är ett av de största bekymren för transportsektorn. Eftersom de existerande transportalternativen är bundna av sin teknik, vilket begränsar dem till inkrementella snarare än radikala förbättringar, kan en möjlighet för nya transportsätt att komma in på marknaden öppna sig. En kommande ny teknik som utvecklas inom transport idag kallas hyperloop, en teknik som kan visa sig möta efterfrågan för snabbare, billigare, säkrare och mer miljösmarta transporter. Tekniken är dock i ett tidigt utvecklingsskede och är därav omgärdad av stora osäkerheter. Vidare kräver teknikens natur att flertalet hinder kommer att behöva överkommas innan tekniken kan nå kommersiellt bruk. Detta tillsammans med den begränsade kunskap som finns kring konceptet i Sverige gör det svårt att förutspå om hyperloop kan bli ett möjligt transportalternativ på den svenska marknaden. Kondenserat ligger detta till grund för syftet med den här uppsatsen: "Att ge en övergripande förståelse av dynamiken på den svenska transportmarknaden, tillsammans med en djupgående utvärdering av hyperloop konceptet. Och därav bidra till en mer inkluderande kunskap och förståelse kring hyperloops möjligheter i den svenska kontexten." Eftersom detta fenomen inte tidigare har studerats i större utsträckning valdes en forskningsdesign i form av en undersökande fallstudie med ett induktivt, kvalitativt tillvägagångssätt. För att adressera syftet gjordes en litterär översyn av det teoretiska fältet. Med inblickar i tidigare forskning kring disruptiv teknik, diffusion av innovation, tekniska övergångar, transformationstryck samt möjlighetsfönster. Det empiriska materialet till studien samlades in genom två kanaler i huvudsak. Först, genom en djupdykning i tidigare forskning och vetenskapliga artiklar relaterade till hyperlooptekniken, för att generera insikter kring tekniken och dess omgivning. Detta kompletteras med kvalitativa intervjuer för att erhålla material om dynamiken på den svenska transportmarknaden samt för att ge en förståelse av hyperloop i den svenska kontexten. Den empiriska studien kompletterades ytterligare med en översyn av nyhetsartiklar och webbplatser för att kartlägga de senaste framstegen i hyperlooputvecklingen. Genom att analysera det empiriska materialet med hjälp av tre ramverk; Egenskaper för Spridning av Innovation, Perspektiv i Multipla Nivåer (MLP) och Teknisk Mogenhetsnivå (TRL), kunde flertalet intressanta upptäckter och slutsatser dras. Vilka tillsammans pekar mot att hyperloop, om tekniken lyckas uppnå den predikterade prestandan, kommer att ha betydande relativa fördelar och synliga effekter i förhållande till dagens transportsätt. Vidare kan ett märkbart möjlighetsfönster, sprunget ur kapacitetsbrist och tryck mot miljömässig hållbarhet, identifieras på den svenska marknaden. Detta fönster skulle kunna kapitaliseras på och motivera hyperloop i den svenska kontexten. Teknologins nuvarande tillstånd har emellertid konsekvenser, eftersom den hittills inte är tillräcklig för att minska osäkerheten hos potentiella adopterare. Faktorer som sannolikt kommer att förlänga processen att adoptera tekniken i Sverige härstammar från systemets relativa komplexitet, dess begränsade kompatibilitet med befintliga metoder samt teknikens låga mogenhet. Därav är det essentiellt för hyperloopbolagen att bevisa konceptet möjligt och öka mogenheten för att få tillräcklig acceptans och erkännande. Detta arbete bidrar till det akademiska samhället genom att bedöma kompatibiliteten mellan hyperloop och den svenska marknaden, samt om hyperloop kan bli ett genomförbart transportalternativ i Sverige. Arbetet bidrar med insikter i specifika perspektiv på den svenska marknaden, dess krav samt efterfrågan för alternativa transportlösningar. Därav kan denna uppsats anses utgöra både ett analytiskt bidrag genom dess utvärdering av genomförbarheten av disruptiv teknik. Samt ett empiriskt bidrag genom att belysa viktiga insikter för den potentiella spridningen av hyperloop. Insikter som är viktiga för såväl hyperloopaktörer som de dominanta aktörerna på den svenska transportmarknaden.
Nip, Ivon Kristin, and 聶秀清. "A Case Study of Disruptive Innovation: Key External Environments of Transportation Network Company in Indonesia." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/ys373t.
Full text國立臺灣科技大學
管理學院MBA
106
Disruptive innovation has primarily created new technology to disrupt old business model. Go-Jek as one of the disruptive innovation the first unicorn transportation company in Indonesia. However, Go-Jek has disrupted the existence of motorcycle taxi (ojek) and other transportation companies by creating system on the app-based smartphone. This thesis is to identify the key external environment in Go-Jek as a disruptive innovation in Transportation Network Companies (TNC). Therefore, by using a qualitative case study approach, this research aims to get more comprehensive understanding about the external environment in Politic, Economic, Social, Technology, Legal, and Environment (PESTLE) analysis for Go-Jek company and analyze to give the strategic management of external insight. The research uses an explorative research approach to clarify an understanding of the problems in Go-Jek Company in terms of disruptive innovations on how the company is reviewing the external environment. In the short term, it would give negative impact to the companies. Go- Jek Company can keep its services to providing excellent service at lower cost and socialize being the most significant impact on the nations and bring the positive impacts to the society in the long-term.
Hosseini, Nasim Alsadat. "Modelling Temporal and Spatial Transportation of Pharmaceuticals, Personal Care Products, and Endocrine Disrupting Compounds in a Canadian Watershed." Thesis, 2011. http://hdl.handle.net/10012/6089.
Full text