نتایج جستجو برای: traffic situation

تعداد نتایج: 231102  

2002
Michael P. Wellman

In this extended abstract, I present an overview of IVHS-related research recently initiated at the University of Michigan Artificial Intelligence Laboratory. Our ultimate goals in this effort are to further the technology underlying decision support for both individual drivers and traffic management centers within a variety of decision contexts, including routing, scheduling, and control of si...

2013
Fulko van Westrenen

This paper discusses maritime traffic management in the boarding process of pilots when approaching a port. For efficiency reason ships are brought as close together and as close to shore as possible. For safety reason ships should remain well separated from each other and at a safe distance from shore. By realising a clear traffic structure the shore-based pilot maintains situation awareness a...

Journal: :Energies 2022

There is consensus in industry and academia that Highly Automated Vehicles (HAV) Connected (CAV) will be launched into the market near future due to emerging autonomous driving technology. In this paper, a mixed traffic simulation framework integrates vehicle models with different automated systems microscopic was proposed. Currently, some of more mature Driving Systems (ADS) functions (e.g., A...

2017
Yunqi Yan Yun Xu Yinghua Liao Yingying Cui

An intelligent control system for traffic signal lamp studied in this paper. The control core of this is a PLC. The ground induction coil is a sensor that is used to detect the quantity of cars through entrance and exit to calculate traffic flow, and then the time of the green light changed with real-time traffic conditions. In order to modify the internal parameters of the control system accor...

2013
Irina Hensel

In modern automotive systems, driver assistance based on machine perception is increasingly gaining importance. This coincides with a steady rise in automation concerning the assistance function. As a result, the demand on behalf of the complexity of the traffic scenarios to be handled grows. Vehicles capable of avoiding accidents, do not only have to be able to percept their environment with s...

2008
Jirí Kur Andriy Stetsko

We discuss location privacy issues in wireless sensor networks. We consider sensor nodes with more responsible roles and the need to protect locations of such nodes. Available countermeasures against various types of traffic analysis attacks are examined and their problems are identified. We do not propose new traffic analysis resistance technique. Instead, we draw attention to blanks in curren...

2002
Reinhard Illner Axel Klar Thorsten Materne

Abstract. We discuss rationales for kinetic descriptions of traffic dynamics and present a class of new models of VlasovFokker-Planck type. These models incorporate (nonlocal and time-delayed) braking and acceleration terms which are consistent with realistic time scales. Correlation assumptions are made such that braking and acceleration terms depend only on macroscopic densities and the relat...

2014
Richard Boon

This paper describes sources of digital information which can be used for traffic analysis, and in particular post-accident analysis. We discuss how we can use this information to automatically find likely causes for traffic accidents and create a system which makes a simple report of an accident. With the Veins simulator we generate data of a head-tail collision and normal traffic situation in...

2003
Alessandra Valpiani

This paper presents a system for traffic modeling and simulation based on a cognitive model of commonsense reasoning about everyday physical situations . The main purpose of the system is to support control activities on circumscribed traffic situations, in which several and sudden changes occur (e.g . temporary circulation occurring in urban areas) . The system is able to predict the temporal ...

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