Institutional Barriers to IVHS Introduction
The introduction and application of Intelligent Vehicle/Highway Systems (IVHS) will help to mitigate the adverse safety, environmental, and economic impacts of traffic congestion on selected...
Traffic Signals and At-Grade LRT
Light rail systems are making a comeback in American cities. This often generates local concerns about traffic congestion. This paper discusses the application of computer technology to...
Safety of IVHS: Methods for Determination of Accident Levels for AVCS-1 Devices
This paper discusses ways in which the safety impact of Intelligent Vehicle/Highway Systems (IVHS) devices can be estimated by interpreting existing statistics. This is needed at many...
Taming the Silicon Steed?Perceptions of Risk
This paper draws from contemporary research in the psychological literature to argue that transportation engineers and decision makers should consider the issue of perceived risk when...
Assessment of IVHS Research Efforts in Japan and Future Directions
In the past twenty years, research on intelligent vehicle/highway systems (IVHS) in Japan has seen a tremendous progress. The first advanced IVHS research was conducted between 1973 and...
Integrating Expert Opinion for Assessing Structural Performance
Many experts use linguistic values when expressing their judgment on structural performance. The concept of fuzzy sets is used in this paper to obtain consistent measures of values provided...
Risk Assessment of Utility Network Systems Using Expert Opinions
This paper describes the application of an expert opinion and survey approach to the problem identification and risk assessment of engineering systems. The method of expert opinion for...
Knowledge Representation and Reasoning in Structural Reliability Assessment Expert Systems: Implementation in the Leak-Before-Break Prototype System
Knowledge representation and reasoning, considered of a major importance for building and practical application of the structural reliabilty assessment expert systems, are the issues tackled...
Damage Assessment Based on Repairability Criterion
This paper discusses the assessment of damage of protective structures based on the repairability criterion. The variables of the repairability are the amount of repair, repair cost, repair...
Next Stop: The Los Angeles Metro Rail
The Los Angeles Metro Rail is a $6.5 billion light and heavy rail system, which may be entirely completed by the year 2000. A 22 mi segment of the 150 mi light rail system, connecting...
Systems Models for Predicting Radioactive Waste
This paper illustrates how a model can be constructed to analyze the growth of accumulated spent Light-Water-Reactor fuel using a technique from systems theory which has proved to be capable...
Reconnaissance ? ??C and ??8O Data from Trench 14, Busted Butte, and Drill Hole G-4, Yucca Mountain, Nevada Test Site
Trench 14 was excavated to investigate the extent of Quaternary movement on the Bow Ridge fault, a north-south structure on the east side of Yucca Mountain. The trench exposes calcite...
DYCAM: A Computer Aided Engineering Tool for Space Construction Planning
Planning and management of construction activities in space have not received sufficient attention up to the present. Space Station Freedom, a number of large platforms and extraterrestrial...
Utilization of Stormwater Runoff to Recharge Underlying Aquifer
Based on the available data and its proximity to the Capital area, Wadi Al Khawd was selected as the site of the first aquifer recharge project in Oman. The project was designed by Stanley...
Planning the Developmemt of the OASIS Advisory System
This paper describes the evolution of the Operations Advisory and Simulated Intelligence System (OASIS). In its first phase, already concluded, a prototype was developed for testing the...
Overview of Artificial Intelligence Applications in Transportation
The purpose of this document is to provide an overview of artificial intelligence technologies, especially expert systems, as they may relate to highway engineering and operations. Included...
Managing the Introduction of New Technologies: An A1 Case Study
The way in which a new process or product is introduced into an organization can be critical to its acceptance and successful implementation. Even if the innovation is a major technical...
Artificial Intelligence Applications in Transportation Engineering
Artificial Intelligence (AI) is one of the new frontiers for microcomputers in transportation. There are AI applications emerging in all areas from planning to maintenance. This paper...
ORNL Light-Duty Vehicles PC System
This data system, designed by the Oak Ridge National Laboratory (ORNL) and funded by the U.S. Department of Energy (DOE), monitors information on every light-duty vehicle (automobiles...
SIGNALEXPERT: An Expert Syste, for Signalized Intersection Analysis and Design
This paper presents a prototype expert system, (SIGNALEXPERT), for signalized intersection analysis and design. The SIGNALEXPERT consists of four modules. The first module determines if...
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