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Coordinated freight logistics in existing city districts- Evaluation of methods for calculating energy and environmental effects / Samordnad varulogistik i befintliga stadsdelar - Utvärdering av metoder för att beräkna energi och miljöeffekterFossum, Heidi January 2013 (has links)
Norra Djurgårdsstaden is the largest ongoing construction project in Sweden and is planned to be completed in 2030. The city district is situated in north-eastern Stockholm, in a former industrial area where approximately 12 000 new homes and 35 000 workplaces are planned. The city district focuses strongly on reducing energy consumption and the negative impacts on the environment. One idea for realizing this goal is to implement coordinated freight logistics. This can be accomplished by building a consolidation centre where goods from different logistics companies and freight carriers can be loaded together on the same delivery vehicles and then be delivered in the same area in Norra Djurgårdsstaden. The purpose of this master thesis is to evaluate five earlier evaluation reports on consolidation centres. Based on these evaluation reports and other relevant literature, it is recommended how a coordinated freight logistic project should be organized in Norra Djurgårdsstaden and how the impact on the environment and energy consumption should be calculated. The evaluation reports are from the logistic centre in the Old Town of Stockholm, the pilot project Samlic in Linköping, the urban consolidation centre in Norwich, the micro-consolidation centre in London and several urban logistic practices in Utrecht. A thorough comparative analysis of the five different evaluation reports has looked at the initiators and the stakeholders, the delivery situation before and after the implementation of the consolidation centre as well as done a deeper evaluation analysis of all the evaluation reports. The comparative analysis showed that the consolidation centres have had a positive effect on decreasing the number of delivery vehicles in the city district and thereby reducing the emissions and the energy consumption from the delivery vehicles. Based on the comparative analysis and other literature it is suggested that the initiative to build a consolidation centre in Norra Djurgårdsstaden has to come from the City of Stockholm. The stakeholders should be the City of Stockholm, logistics companies, freight companies, the different businesses in the area and the Ports of Stockholm. To encourage even more businesses to have deliveries from the consolidation centre and get more environmentally friendly delivery vehicles in the city district it might be necessary to use several management control instruments. Examples of control instruments are environmental zones, time windows and implement different restrictions on the delivery vehicles. It is essential to gather information about the delivery vehicles in the city district to estimate emissions and the energy consumption. The collection of data from the delivery vehicles can be gathered from consignment notes, driver notes, invoice data or statistics of the number of vehicles that have delivered goods in the city centre from freight and logistics companies. Then the delivery vehicles impact on energy consumption and the environment can be estimated with the computer tool Network of transports and environment (NTM-method). / Norra Djurgårdsstaden är det största pågående byggprojektet i Sverige och är planerat att slutföras under 2030. Stadsdelen ligger i nordöstra Stockholm, i ett före detta industriområde där cirka 12 000 nya bostäder och 35 000 arbetsplatser är planerade att byggas. Stadsdelen har ett starkt fokus på att minska miljöeffekterna och påverkan av energianvändningen. En av idéerna för att uppfylla detta är att införa samordnad varulogistik. Detta kan göras genom att bygga ett logistikcenter där gods från olika logistikföretag och godstransportörer kan lastas på samma leveransfordon och sedan levereras inom samma område i Norra Djurgårdsstaden. Syftet med detta examensarbete är att utvärdera fem tidigare utvärderingsrapporter om logistikcenter. Med hjälp av dessa utvärderingsrapporter och annan litteratur ges det förslag på hur ett projekt inom samordnad varulogistik kan organiseras i Norra Djurgårdsstaden och hur miljöpåverkan och energiförbrukning från leveransfordonen kan beräknas. Utvärderingsrapporterna kommer från logistikcentret i Gamla Stan i Stockholm, pilotprojektet Samlic i Linköping, logistikcentret i Norwich, mikro-logistikcentret i London och olika logistikmetoder i Utrecht. En noggrann jämförande analys av de fem olika utvärderingsrapporterna har undersökt initiativtagare och intressenter, leveranssituationerna före och efter uppförandet av logistikcentren samt gjort en fördjupad utvärderingsanalys av samtliga utvärderingsrapporter. Den jämförande analysen visar att införandet av logistikcenter har haft en positiv effekt för att minska antalet leveransfordon i stadsdelen och därmed inneburit minskade utsläpp och lägre energianvändning för leveransfordonen. Baserad på den komparativa analysen och annan litteratur föreslås det att initiativet i Norra Djurgårdsstaden måste komma från Stockholms stad. Intressenterna bör vara Stockholms Stad, logistikföretag, godstransportörer, de olika företagen i området och Stockholms Hamnar. För att få fler företag att använda logistikcentret samt att få miljövänligare leveransfordon i stadsdelen kan det vara nödvändigt att använda flera styrmedel. Exempel på styrmedel är miljözoner, tidsfönster och att införa olika begränsningar på leveransfordon. Det är väsentligt att samla information om leveransfordonen i stadsdelen för att beräkna utsläpp och energianvändning. Insamlingen av data från leveransfordon kan hämtas från fraktsedlar, fakturaunderlag eller statistik över antalet fordon som har levererat varor i stadsdelen från frakt-och logistikföretag. Då kan miljö- och energieffekterna från leveransfordonen beräknas med dataverktyget Nätverket för transporter och miljö (NTM-metoden).
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National freight transport planning : towards a Strategic Planning Extranet Decision Support System (SPEDSS)Rudolph, Melanie M. January 1998 (has links)
This thesis provides a `proof-of-concept' prototype and a design architecture for a Object Oriented (00) database towards the development of a Decision Support System (DSS) for the national freight transport planning problem. Both governments and industry require a Strategic Planning Extranet Decision Support System (SPEDSS) for their effective management of the national Freight Transport Networks (FTN). This thesis addresses the three key problems for the development of a SPEDSS to facilitate national strategic freight planning: 1) scope and scale of data available and required; 2) scope and scale of existing models; and 3) construction of the software. The research approach taken embodies systems thinking and includes the use of: Object Oriented Analysis and Design (OOA/D) for problem encapsulation and database design; artificial neural network (and proposed rule extraction) for knowledge acquisition of the United States FTN data set; and an iterative Object Oriented (00) software design for the development of a `proof-of-concept' prototype. The research findings demonstrate that an 00 approach along with the use of 00 methodologies and technologies coupled with artificial neural networks (ANNs) offers a robust and flexible methodology for the analysis of the FTN problem domain and the design architecture of an Extranet based SPEDSS. The objectives of this research were to: 1) identify and analyse current problems and proposed solutions facing industry and governments in strategic transportation planning; 2) determine the functional requirements of an FTN SPEDSS; 3) perform a feasibility analysis for building a FTN SPEDSS `proof-of-concept' prototype and (00) database design; 4) develop a methodology for a national `internet-enabled' SPEDSS model and database; 5) construct a `proof-of-concept' prototype for a SPEDSS encapsulating identified user requirements; 6) develop a methodology to resolve the issue of the scale of data and data knowledge acquisition which would act as the `intelligence' within a SPDSS; 7) implement the data methodology using Artificial Neural Networks (ANNs) towards the validation of it; and 8) make recommendations for national freight transportation strategic planning and further research required to fulfil the needs of governments and industry. This thesis includes: an 00 database design for encapsulation of the FTN; an `internet-enabled' Dynamic Modelling Methodology (DMM) for the virtual modelling of the FTNs; a Unified Modelling Language (UML) `proof-of-concept' prototype; and conclusions and recommendations for further collaborative research are identified.
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Power infrastructure requirements for road transport electrificationNicolaides, Doros January 2018 (has links)
Deep decarbonisation of road transportation is challenging. One of the most potentially beneficial approaches is electrification which is the subject of this PhD thesis. A widespread penetration of electric vehicles (EVs) across a large proportion of road transport demand is needed to realise the benefits of an electrified transport sector. However, this is dependent on overcoming significant barriers. This study performs a systematic analysis of how proven power charging technologies could be used to unlock the barriers to widespread electrification of road transportation. Various road transport sectors and type of journeys are explored including aspects of autonomous operations and novel wireless power transfer technologies. For each operation, a framework is proposed that allows the exploitation of current and potential future electrification technologies to enable shifting towards EVs. Based on that, simulation tools and methods are developed to calculate the power requirements of EVs and determine a suitable charging infrastructure. The additional power demand, electric load and the implications for the electricity supply network are explored. The total expenditure needed and the CO2 emission savings are also calculated for each investigated operation. Transitional strategies include the electrification of bus routes, refuse collection functions, home deliveries and aspects of autonomous operations for public transportation within the boundaries of the cities. In the long-term, focus is given on passenger cars and freight vehicles for both urban and inter-urban journeys. A nationwide adoption of all electrification strategies proposed in this thesis would increase the peak power demand of Great Britain by approximately 38 GW (72% of the current peak) and the electricity consumption by 180 TWh per year (45% of current consumption). The total capital cost required is calculated at £225 billion which is similar to the cost of other large infrastructure projects of the country. The impact would be a significant aggregate saving of approximately 2,000 MtCO2 between the numbers calculated for today's norms (2018) and those calculated for 2050.
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GATS物流服務之研究劉瀠嘉 Unknown Date (has links)
隨著全球化趨勢以及企業間越加激烈之競爭關係,生產者為滿足消費者之即時需求,即常透過多式運送模式將商品跨國快速遞送。物流服務之涵蓋範圍因而越發廣泛並持續擴展,除了實體之商品配送服務,並完善整合不同運送模式,且將高效率之管理、關務與其他商業活動納入範疇。此種整合型物流服務之出現,除了免除生產者與貿易商物流管理之額外負擔,以利其專注本業外,高品質之物流服務尚可提昇運輸服務業之生產力,同時並增進全球經濟福利之發展。
鑑於物流服務以及供應鏈管理服務均非屬W/120中之獨立部門,WTO會員即以CPC為基礎發展出物流服務清單與相關提案,以期提昇物流服務在市場開放與國民待遇之承諾情形。
本文首先介紹物流服務之貿易實務,概述物流服務之貿易概況、產業趨勢與貿易障礙;其次探討GATS 架構下物流服務之相關規範與會員提案,並分別就相關之GATS條文與會員提案發展為剖析。此外,本文並分析WTO會員就物流服務之現行承諾狀況與新回合之開放情形。最後,本文以物流服務之分類議題、定義議題與相關服務之新回合談判進展為重點,進行深入之分析並嘗試提出可行之解決之道。 / In the wake of globalization and increasingly fierce competition, goods often need to be transported through several countries (by road, rail, air or water) as quickly as possible in order to respond "just in time" to customer demand. Logistics services comprise a wide range of services and are constantly evolving In addition to the physical transportation of goods, based on an optimized combination of available modes of transport, it involves the efficient handling of management, customs and other business matters. The existence of integrated logistics services relieve manufacturers and traders of the burden of logistics management and allow them to focus on their core competencies. High-quality logistics services could also increase the productivity of the transport sector, and improve global economic welfare at the same time.
Since neither logistics nor supply chain management is identified as a distinct industry on the W/120, WTO members that rely on the CPC have advocated developing a freight logistics checklist and related proposals in the hope of improving meaningful market access and national treatment commitments for logistics services.
The thesis first introduces the practices of trade in logistics services, including the profiles, trends of industrial development, and trade barriers on trade in logistics services. Then the thesis discusses the related regulations and proposals of logistics services under the GATS framework, explaining the related GATS articles for logistics servies and clarifying their influence as well. Besides, the thesis also exam members’ existing commitments and offers on the logistics services. Finally, the thesis focuses on the classification, definition and negotiation issues on the logistics services, analyzing existing difficulties and trying to submit possible solutions.
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