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Good transportation is a key activity within the supply chain, as it has a direct impact on the company's total costs and in customer's service, giving it a special interest for seeking ways to optimize these distribution processes. In the literature there is a large number of approaches to optimize these processes, which generally require advanced methods for its solution. This article reviews the...
Several factors must usually be taken into account when deciding the design of a supply chain network. In most cases, the economic impact and the resulting service quality are the most common. In this sense, one of the strategies with a big impact in both factors is which inventory centralization level is the most appropriate. High decentralization levels usually provides a better service but with...
This paper describes innovative sensing technologies and control techniques, that aim at improving the performance of groups of Automated Guided Vehicles (AGVs) used for logistics operations in industrial environments. We explicitly consider the situation where the environment is shared among AGVs, manually driven vehicles, and human operators. In this situation, safety is a major issue, that needs...
This paper focuses on the integration of advanced sensing and control technologies into advanced systems of multiple Automated Guided Vehicles (AGVs). In particular, we focus on the key technologies developed within the Plug-and-Navigate Robots (PAN-Robots) project, highlighting how those results contribute to improving the performance of AGV systems.
This paper introduces a novel Human Machine Interface (HMI) that allows users to interact with a fleet of Automated Guided Vehicles (AGVs) used for logistics operations in industrial environments. The interface is developed for providing operators with information regarding the fleet of AGVs, and the status of the industrial environment. Information is provided in an intuitive manner, utilizing a...
A consortium consisting of five Hungarian institutions of higher education during the past two years, using European Union's support performed workout of a project that connected to development of industrial relations, to education development, to expansion of research cooperation, of international relations and to development of university organisation services on the territory of vehicle industry...
In large or medium retail enterprises, the downstream of the supply chain is usually composed by distribution centers or various warehouses. Since the distance of each distribution route is large, so the optimization of path is very important for the cost control and profit maximization of the enterprise. This paper uses Dijkstra Algorithm to solve the shortest path problem, and uses the method of...
The problem of continuous curvature path planning for passages is considered. This problem arises when an autonomous vehicle traverses between prescribed boundaries such as corridors, tunnels, channels, etc. Passage boundaries with curvature and heading discontinuities pose challenges for generating smooth paths passing through them. Continuous curvature half-S shaped paths derived from the Four Parameter...
With the development of automated logistics systems, flexible manufacture systems (FMS) and unmanned automated factories, the application of automated guided vehicle (AGV) gradually become more important to improve production efficiency and logistics automatism for enterprises. The development of the AGV systems play an important role in reducing labor cost, improving working conditions, unifying...
Aimed at the problem of commercial vehicles' distribution routes and transportation mode, as well as the reliability of service, a distribution optimization model is constructed which considered the transportation cost, transit cost and punishment cost. Then apply genetic algorithm to solve the problem. Finally, used the data from a vehicle logistics enterprise for analyzing, which proved that the...
This work consists in presenting an information system for planning routes for deliveries of goods. A company that has many products to be delivered in different places find it difficult to define the best combination of loads to be carried, and what better vehicle availability, and lower cost route for the delivery of goods in load order. With the system it is intended itinerary delivery of the goods...
Enlightened by the fact that certain passenger buses could deliver small items by imposing some fees for clients, and there exists possible integration of the passenger-transport expressway networks and logistics, we aim to study how to transfer the delivery of simple and small items to logistics distribution of special items by using expressways if we take time-efficient special items as the research...
This paper proposes a two-stage integer programming model including depots to distribution centers and distribution centers to demand points. Hundreds of thousands of people lost their lives in disaster recently. Since to predict the timing and magnitude of a disaster is difficult, the resource requirement is with randomness. Besides, information asymmetry exists in the two stages, so the demand may...
The environment problem has aroused people's concern in recent years since the heavy haze weather. Agricultural products logistics, acting as one of the necessary activities to keep people's daily life and the main source of environmental pollution, receives widespread attention in the whole society. Basing on the field survey of agricultural products distribution system in Beijing, we clarify the...
With the life style changing, the distribution has become an indispensable part of people. However, the contradiction between the city-distribution's timeliness and the city traffic's capacity as well as the environment stress makes the last one kilometer distribution become a hot topic. On this issue, Based on the mechanism of the resource store, management and feedback, the authors find the city...
As VANET can be considered as a subclass of wireless ad hoc networks, they inherit the security problems. In this work, we focus on network security. We present some examples of attacks on these networks and we propose a method to optimize the security against three of these attacks. To improve the method of attacks' corroboration, we propose an innovative probabilistic model based on Logistic regression...
According to statistics from 2011 to 2013, in China, approximately 60,000 people were killed in road traffic accidents every year. And about 4% of these accidents have vehicle safety issues, such as brake failure, tire burst. To investigate association between vehicle safety performance and traffic accident casualty risk, 1302 traffic accident samples with detailed information were collected and transformed...
Traffic accident has posed a threat to the safety of human life. Accident often occurs in some certain areas. In order to achieve the target of the identification and judgment of the accidents hotspots during driving, and improve the driving safety of vehicle and the traffic efficiency through early warning, a research was done based on the recent collected 400 sets of accidents data of 10 major roads...
Disasters are sudden and calamitous events that can cause severe and pervasive negative impacts on society and huge human losses. Governments and humanitarian organizations have been putting tremendous efforts to avoid and reduce the negative consequences due to disasters. In recent years, information technology and big data have played an important role in disaster management. While there has been...
Driver safety awareness level has important influence on traffic safety, in order to extract and analyze the factors and events which have a significant effect on driver safety awareness while driving. This research uses virtual reality technology to design and implement several kinds of typical virtual traffic scenarios for safety consciousness level evaluation, and sets the assessment scenarios...
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