نتایج جستجو برای: transportation system

تعداد نتایج: 2270320  

2006
Christine Taylor Olivier L. de Weck

Traditionally, the design of a transportation system has focused on one of the two systems that comprise the transportation architecture, the vehicle or the network design. However, to define a systems level architecture for a transportation system, it is necessary to expand the system definition during the design process to include the network definition, the vehicle architecture, and the oper...

This paper presents a new mathematical model for a production system through a scheduling problem considering a material handling system as an intelligent transportation system by automated guided vehicles (AGVs). The traditional systems cannot respond to the changes and customer’s demands and for this reason, a flexible production system is used. Therefore, for this purpose, automated transpor...

Abstract Background and aim: Maintaining the original geometry of canal is an important parameter in successful root canal treatment. The aim of this original study was evaluation of apical root canal transportation and centering ability of SafeSider and K-Flexofile using cone beam computed tomography. Materials and Methods: Mesiobuccal root canals of maxillary first molars, with 20-40° curvatu...

Journal: :European Journal of Operational Research 2015
Horst Tempelmeier Oliver Bantel

We consider a segment of a supply chain comprising an inventory system and a transportation system that cooperate in the fulfillment of stochastic customer orders. The inventory system is operated under a discrete time (s, q) policy with backorders. In a system of this kind accumulated backorders introduce lumpiness of transportation demand into the system. We study the connection between the s...

2013
Sondes Ben Cheikh Slim Hammadi

For a sustainable people and goods mobility, CISIT (The International Campus on Safety and Intermodality in Transportation) has the objective to realize an optimal management of multimodal chains. In this context, this paper discusses the real-time regulation of traffic in a transportation system disruption.. In fact, the increase in the network size and the presence of multiple transportation ...

2017
Bo Ying

Making great strides in social economy, demands for the material is growing, at the same time,it also stimulates the development of logistics.The railway-water combined transportation of our country is being into a golden opportunity, With the support of national policy and the improvement of railway transportation capacity,it's preparing for the development conditions of the railway-water comb...

2007
John F. McDonald Richard J. Arnott Daniel P. McMillen

This chapter is an introduction to the economics of the connection between urban transportation and land use. The nature of the transportation system strongly influences the patterns of land use in an urban area. Indeed, the long-run histories of urban areas sometimes are identified with the dominant mode of transportation of the time; the age of rail, the age of the automobile, and so on. Supp...

1996
Michael Walton

The National Transportation System (NTS), an outgrowth of the Intermodal Surface Transportation Efficiency Act of 1991 (ISTEA), is proposed in this research as an analytical tool to guide national transportation policy-making. The NTS must be based upon measures of transportation performance that are intermodal, user-oriented,. and suitable for tracking the environmental, social, and economic o...

1998
Toru Kamada Koichi Oikawa

The authors have developed a mobile, autonomous decentralized utility system for indoor transportation, called AMADEUS. This paper explains how we put it to practical use. AkL4DEUS is a system designed around transportation agents. We eliminated centrally managed vehicle allocation and routing plans by implementing autonomous vehicle allocation negotiations and collision avoidance between agent...

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