نتایج جستجو برای: heterogeneous vehicles

تعداد نتایج: 183999  

2015
Shannon Pace Ayad Turky Irene Moser Aldeida Aleti

The Heterogeneous Fleet Capacitated Vehicle Routing Problem with Time Windows and ThreeDimensional Loading Constraints (3L-HFCVRPTW) combines the aspects of 3D loading, heterogeneous transport with capacity constraints and time windows for deliveries. It is the first formulation that comprises all these aspects and takes its inspiration from a practical problem of distributing daily fibre board...

Journal: :Int. J. Systems Science 2015
Jiyoung Choi Seungkeun Kim Antonios Tsourdos

The focus of the paper is how to model autonomous behaviors of heterogeneous multi-agent systems such that it can be verified that they will always operate within predefined mission requirements and constraints. This is done by using formal methods with an abstraction of the behaviors modelling and model checking for the verification of them. Three case studies are presented to verify the decis...

2013
Konstantinos Aboudolas Nikolas Geroliminis

In this paper, we macroscopically describe the traffic dynamics in heterogeneous transportation networks by utilizing the Macroscopic Fundamental Diagram (MFD) for urban networks a widely observed relation between mean flow and density of vehicles. A generic mathematical model for multi-reservoir networks with well-defined MFDs for each reservoir is presented first. Two alternative optimal cont...

2015
S. Pace A. Turky I. Moser A. Aleti

The Heterogeneous Fleet Capacitated Vehicle Routing Problem with Time Windows and ThreeDimensional Loading Constraints (3L-HFCVRPTW) combines the aspects of 3D loading, heterogeneous transport with capacity constraints and time windows for deliveries. It is the first formulation that comprises all these aspects and takes its inspiration from a practical problem of distributing daily fibre board...

Journal: :Accident; analysis and prevention 1990
D F Preusser A F Williams A K Lund P L Zador

Several U.S. cities have curfew ordinances that limit the late night activities of minor teenagers in public places including highways. Detroit, Cleveland, and Columbus, which have curfew ordinances, were compared to Cincinnati, which does not have such an ordinance. The curfew ordinances were associated with a 23% reduction in motor vehicle related injury for 13- to 17-year-olds as passengers,...

2009
Emad Saad John Vian Greg J. Clark Stefan Bieniawski

Increased levels of vehicle collaboration and autonomy are seen as a means to reduce overall mission completion costs while expanding mission capabilities and increasing mission assurance for complex coupled system of systems. Systems health management technologies have made rapid advances that enable systems to know their own condition and capabilities, thus creating the opportunity for unprec...

2012
Jin Ran Pu and Yang Yang Da Yang Fei Yang

1 The traffic flow heterogeneity caused by the different car-following dynamics among the different types 2 of vehicles has drawn increasing attention recently. This paper explores the characteristics of the four 3 types of car-truck car-following combinations, car-following-car (CC), car-following-truck (CT), truck4 following-car (TC) and truck-following-truck (TT), and their impacts on traffi...

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