Добірка наукової літератури з теми "Sistemi logistici intermodali"
Оформте джерело за APA, MLA, Chicago, Harvard та іншими стилями
Зміст
Ознайомтеся зі списками актуальних статей, книг, дисертацій, тез та інших наукових джерел на тему "Sistemi logistici intermodali".
Біля кожної праці в переліку літератури доступна кнопка «Додати до бібліографії». Скористайтеся нею – і ми автоматично оформимо бібліографічне посилання на обрану працю в потрібному вам стилі цитування: APA, MLA, «Гарвард», «Чикаго», «Ванкувер» тощо.
Також ви можете завантажити повний текст наукової публікації у форматі «.pdf» та прочитати онлайн анотацію до роботи, якщо відповідні параметри наявні в метаданих.
Статті в журналах з теми "Sistemi logistici intermodali"
Beretta, Enrico, Vacche Alessandra Dalle, and Andrea Migliardi. "Competitivitŕ ed efficienza della supply-chain: un'indagine sui nodi della logistica in italia." ECONOMIA E DIRITTO DEL TERZIARIO, no. 2 (November 2012): 135–73. http://dx.doi.org/10.3280/ed2012-002001.
Повний текст джерелаKovač, Milovan, Snežana Tadić, and Mladen Krstić. "Planning and development of sustanable logistics systems at a macro-level." Tehnika 77, no. 3 (2022): 347–53. http://dx.doi.org/10.5937/tehnika2203347k.
Повний текст джерелаMirotin, L. B., E. A. Lebedev, and A. I. Yamenskov. "NOVOROSSIYSK SYSTEM OF TRANSPORT FLOWS REGULATION." World of Transport and Transportation 14, no. 1 (February 28, 2016): 130–37. http://dx.doi.org/10.30932/1992-3252-2016-14-1-13.
Повний текст джерелаLucchesi, Flavio. "Non solo strade: l’imponente sistema di infrastrutture e comunicazioni intermodali finalizzate alla realizzazione della Nuova Via della Seta." Geography Notebooks 1, no. 1 (July 4, 2018). http://dx.doi.org/10.7358/gn-2018-001-lucc.
Повний текст джерелаДисертації з теми "Sistemi logistici intermodali"
Boschian, Valentina. "Models and Methods for Multi-Actor Systems." Doctoral thesis, Università degli studi di Trieste, 2012. http://hdl.handle.net/10077/7431.
Повний текст джерелаThe study of the models and methods to apply to multi-actor systems is a widely discussed research topic in the related scientific literature. The multi-actor systems are defined as systems that are characterized by the presence of several autonomous elements, of different decision makers and of complex rules that allow the communication, the coordination and the connection of the components of such systems. Commonly, the study of Multi-Actor System, MAS, recalls the well-known issues concerning the multi-agent systems. The research topic related to the multi-agent system firstly started to appear in scientific literature in 1980s, mainly in relation to the computer science and artificial intelligence. In this dissertation, in particular, the study of the multi-agent systems, and specifically of the multi-actor systems, is taken into account merely in relation to the distinctive features of complexity that characterize such systems and not to the issues concerning the agent-oriented software engineering. Therefore, the research results presented in this thesis are focused on the development and on the realization of innovative models and methodologies to face the management and the decision making mechanisms applied to complex multi-actor systems. This dissertation especially focuses on two different examples of multi-actor systems in two very diverse perspectives. The former deals with the research problem related to intermodal transportation networks, while the latter with the so called consensus problem in distributed networks of agents. Concerning the research problem related to the intermodal logistic systems, the research activity addresses the management of their more and more increasing complexity by the applications of the modern Information and Communication Technologies (ICT) tools that are key solutions to achieve the efficiency and to enhance logistics competitiveness. The related scientific literature still seems lacking in addressing with adequate attention the impact of these new techniques on the management of these complex systems and, moreover, there is an apparent lack of a systematic and general methodology to describe in detail the multiplicity of elements that can influence the dynamics and the corresponding information and decision making structure of intermodal transportation systems. The innovative results presented in this dissertation are focused on the development of an Integrated System, IS, devoted to manage intermodal transportation networks at the tactical as well as operational decision level to be used by decision makers both in off-line planning and real time management. To specify the Integrated System, a reference model is developed relying on a top-down metamodeling procedure. These innovative research results are a contribution to bridge the gap and to propose not only a systematic modeling approach devoted to describe a generic multi-actor logistic system, but also a management technique based on a closed loop strategy. The second example of application is focused on a topic that is widely discussed in scientific literature related to the study of the multi-actor collective behaviors in a distributed network. The interaction protocols that allow the agents to reach the convergence to a common value is called consensus or agreement problem. This research problem is particularly studied in the context of cooperative control of multi-agent systems because the agents are autonomous, independent and have to interact in a distributed network. The presented research results address the investigation of new and fast alignment protocols that enhance the performances of the standard iteration protocols for particular topologies of digraphs on the basis of a triangular splitting of the standard iteration matrix. The examined examples, the models and the methodologies applied to analyze them, are very different in the two cases and this testifies the large extent of research problems related to the multi-actor systems.
L’analisi di modelli e metodi da sviluppare e da applicare nel contesto dei sistemi multi-attoriali costituisce un tema molto variegato e discusso nella letteratura scientifica internazionale. I sistemi multi-attoriali sono sistemi che si contraddistinguono per la presenza di molti elementi autonomi diversi tra loro, di molteplici decisori e di complesse regole che determinano la comunicazione, il coordinamento e la connessione all'interno di tali sistemi. Frequentemente, facendo riferimento a sistemi multi-attoriali, Multi-Actor Systems, si richiama il tema molto attuale dei sistemi multi agente, Multi-Agent Systems. Diffusisi a partire dal 1980, i sistemi multi agente sono spesso studiati in relazione alle metodologie di sviluppo dell'ingegneria del software. Nel presente lavoro di tesi, il tema dei sistemi multi-agente, ed in particolare di quelli multi-attoriali, non viene analizzato in questo contesto, ma in relazione alle tecniche decisionali da adottare per gestire sistemi caratterizzati da un alto livello di complessità. In tale ambito, i risultati presentati all'interno di questa dissertazione sono focalizzati sullo sviluppo e sulla realizzazione di nuovi metodi e di nuove metodologie, in grado di affrontare la gestione della complessità dei sistemi multi-attoriali. Vengono in particolare esaminate due diverse problematiche, in due contesti completamente diversi e con tecniche differenti, a testimoniare le vaste applicazioni che riguardano i sistemi multi-attoriali. I problemi analizzati sono incentrati, in primo luogo, su un'applicazione inerente la gestione di sistemi logistici intermodali ed, in secondo luogo, sullo studio delle regole o protocolli di interazione in una rete distribuita di agenti autonomi. Per quanto riguarda l'aspetto legato ai sistemi intermodali di trasporto, un tema molto discusso nella letteratura scientifica recente, l'analisi si focalizza sulla gestione della loro sempre crescente complessità, tramite l'utilizzo di sistemi dell'Information and Communication Technology, ICT. Questi strumenti richiedono metodi e modelli che sono innovativi rispetto a quanto è presente nella letteratura scientifica, all'interno della quale è stata riscontrata la mancanza di un approccio sistematico e sufficientemente ad alto livello per la realizzazione di una metodologia in grado di descrivere allo stesso tempo sia la molteplicità di elementi che influenzano le dinamiche e le informazioni, sia le strutture decisionali dei sistemi intermodali. L'innovazione dei risultati presentati in questa tesi si focalizza proprio sull'esigenza di proporre un sistema integrato, Integrated System (IS), basato su un metamodello delle reti intermodali di trasporto, che fornisca un valido supporto ai decisori sia a livello tattico che operativo. Il secondo aspetto affrontato in questa tesi riguarda un altro argomento di largo ed attuale interesse nella letteratura scientifica, che viene comunemente chiamato problema del consenso. Questo problema affronta lo studio di come diversi agenti autonomi collocati su una rete distribuita siano in grado di comunicare e di accordarsi su un valore comune, senza la presenza di un decisore centrale. A questo scopo ci sono degli algoritmi che specificano le regole o protocolli di interazione tra i diversi agenti. In tale contesto, i risultati proposti si focalizzano su alcune problematiche rappresentate dal protocollo classico del consenso e soprattutto sulla sua scarsa efficienza in particolari conformazioni delle reti di agenti. Il lavoro di tesi propone, quindi, un approccio di suddivisione, splitting, della matrice standard di iterazione, di tipo triangolare, che presenta notevoli vantaggi in termini di performance rispetto all'algoritmo classico. Lo studio di problemi multi-attoriali, pertanto, richiede lo sviluppo di innovative metodologie decisionali e di nuovi metodi di gestione delle comunicazioni, per rispondere al livello sempre crescente di complessità, offrendo in questo modo alcuni spunti molto interessanti per la ricerca.
XXIV Ciclo
1984
Mathias, Tiago Novaes. "Análise de sistemas integrados de transporte rodo-fluvial-marítimo sob a influência de regimes sazonais." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/3/3148/tde-05122016-100739/.
Повний текст джерелаThis work focuses on the evaluation of the intermodal transport problems under the influence of seasonal constraints that are not usually considered on the phase of planning and sizing the fleet. Considering the superposition of two different seasonal factors along the transportation chain - first one the variation on grain production and the second one the level of water in the waterways throughout the year -, a discrete event simulation model was built to show the real effects of those constraints in the grain supply chain. So, it is possible to evaluate the impact of those constraints not only on the usage level of storages in this system, but also the number of vehicles required to transport this commodities from the Midwest of Brazil to the port. In a complex multimodal transportation system, the simulation model in this work includes roadways, waterways and seaways to transport all the cargo from farms to the final costumer. This study is composed by a number of scenarios to evaluate the bottlenecks in this intermodal transportation system, specially analyzing scenarios with and without seasonal constraints, as well as analysis of sensitivity of performance of equipment of loading and unloading, in which the fleet and the required stocks are substantially different if seasonality is not considered. In other words, it is possible to evaluate the risks involved when managers are making decisions if they do not take in consideration any of those seasonal constraints.
Kussano, Marilin Ribeiro. "Proposta de modelo de estrutura do custo logístico do escoamento da soja brasileira para o mercado externo : o caso do Mato Grosso." Universidade Federal de São Carlos, 2010. https://repositorio.ufscar.br/handle/ufscar/3637.
Повний текст джерелаFinanciadora de Estudos e Projetos
Soybean is one of the most important commodities in Brazil, contributing positively to the growth in Brazilian trade balance. Although the country has strong comparative advantages in relation to land availability, productivity, and costs of production, these competitive advantages start to weaken whilst the product is burden by poor logistics infrastructure in Brazil. All logistical bottlenecks are reflected in costs for the producer and loss of competitiveness for Brazil. However, it is of paramount importance to be acquainted with the logistics structure and its bottlenecks as well as fixing the costs associated with the movement of goods and their further quantification seeking to propose solutions in order to minimize costs and losses. This paper aimed to define a logistics cost framework of the soybean crop logistics flow to cover the external demand. Secondly, it has also sought to stimulate a debate on the characteristics of soybean product and its logistics process. The proposed model presented herein was applied in three supply flows taking into account both unimodal and intermodal routes. The adoption of such a method has encouraged debates about critical issues including the intermodality. Thus, this paper demonstrates that, due to a number of factors, it is not always beneficial the logistics flow employing a range of modals.
A soja é uma das mais importantes commodities brasileira, contribuindo positivamente para o crescimento da balança comercial do Brasil. Embora o país possua significativas vantagens comparativas no que concerne a disponibilidade de terras, produtividade e custos de produção, estas vantagens diminuem na medida em que o produto é onerado pela deficiente infra-estrutura logística brasileira. Todos os gargalos logísticos refletem em custos para o produtor e perda de competitividade para o Brasil. Desta forma, é de suma importância o conhecimento da estrutura logística e seus gargalos, bem como a definição dos custos envolvidos na movimentação dos produtos e sua posterior quantificação, para que sejam propostas soluções que minimizem custos e perdas. Esta dissertação objetivou definir a estrutura de custos logísticos do escoamento da safra de soja para o mercado externo. Em segundo plano, buscou-se também discutir as especificidades do produto soja e seu processo logístico. O modelo proposto por este trabalho foi aplicado em três fluxos de escoamento, considerando rotas unimodais e intermodais. Esta aplicação auxiliou na discussão de questões importantes, como a intermodalidade. Neste caso, este trabalho mostra que, devido a uma série de fatores, nem sempre é vantajoso para o produtor escoar sua produção com utilização de diversos modais.