Showing 1 - 10 of 94
In this paper, the authors describe the successful combination of a low- level, vision-based surveillance system with a high-level, symbolic reasoner based on dynamic belief networks. This prototype system provides robust, high-level information about traffic scenes. The machine vision component...
Persistent link: https://www.econbiz.de/10010843101
This report describes preliminary research dealing with vehicle emissions associated directly with Automated Highway Systems (AHS) and ramp metering. In performing this analysis, a power-demand model emissions model was integrated with several transportation simulation models in order to...
Persistent link: https://www.econbiz.de/10010843106
This paper presents a specification for an automated freeway in a fully formal manner. A series of safety analyses have been carried out on the specification. The objective of the program is to derive a technique of safety analysis for such systems. Readers are advised to consult " Methods for...
Persistent link: https://www.econbiz.de/10010843113
This document describes part of the work conducted under MOU324, related to the studies of vehicle collisions in vehicle-following operations. The goal of the study is to conduct vehicle dynamics and control analysis and to explore display methods so that analytical results can be visualized....
Persistent link: https://www.econbiz.de/10010843116
This work focuses on vehicle fault detection and identification. It also describes a vehicle health management approach based on analytic redundancy. It describes a point design of fault detection filters and parity equations that are developed for the vehicle longitudinal mode. A preliminary...
Persistent link: https://www.econbiz.de/10010843121
This report describes research in the area of fault detection and handling designs used in the longitudinal control system of platooned automated vehicles. Results are presented on experimental testing of the designs. The authors also describe a consistent interface between the fault detection...
Persistent link: https://www.econbiz.de/10010843123
In this report, the authors propose a new approach for vision based longitudinal and lateral vehicle control. The novelty of this approach is the use of binocular vision. Two modules are integrated, consisting of a new, domain-specific, efficient binocular stereo algorithm, and a lane marker...
Persistent link: https://www.econbiz.de/10010843127
In this report the authors present a unified framework for carrying out safety calculations for the automated highway problem and obtain sufficient conditions for a set of continuous controllers to be safe and use these conditions to design a discrete scheme that switches between them....
Persistent link: https://www.econbiz.de/10010817597
This paper presents a systematic analysis of a longitudinal control law for a platoon of non-identical vehicles using a non-linear model for the vehicle dynamics.
Persistent link: https://www.econbiz.de/10010817614
This research is aimed at the identification of all types of accidents that have occurred on freeways which may affect the vehicle movement in the assumed automated left lane. The emphasis was on six-lane or more urban freeways. The accident data was obtained from the California TASAS ( Traffic...
Persistent link: https://www.econbiz.de/10010817619