Keyword: Traffic management

Briefs: Transportation
The technology could help call attention to important traffic information when it’s dark, with potential benefits for both drivers and pedestrians.
Briefs: Photonics/Optics

A driverless car is making its way through a winding neighborhood street, about to make a sharp turn onto a road where a child’s ball has just rolled. Although no person in the car can see that ball, the...

Facility Focus: Aerospace

The MITRE Corporation was chartered in 1958 as a private, not-for-profit organization to provide engineering and technical guidance for the federal government. Today, with locations in McLean, VA and Bedford, MA, MITRE...

Facility Focus: Sensors/Data Acquisition

The explosion of the first Soviet atomic bomb in August 1949, followed by the Soviet development of bombers that could traverse the Arctic Circle, created a...

Briefs: Aerospace

Modernization of the National Airspace System (NAS) will involve future air traffic management (ATM) concepts of operation and technology frameworks that rely on...

Articles: Software

Between 1985 and 1987, a radiation therapy device called the Therac-25 was involved in at least six incidents in which the device delivered massive overdoses of radiation. The patients...

Briefs: Aerospace
Center/TRACON Automation System Software Suite

Air traffic control within the US is getting more complicated as the number of aircraft increases. There is a great need to increase the efficiency of the system so that flight delays are minimized without having to build new airports or runways. At the same time, safety must be maintained so that...

Briefs: Aerospace
Method and System for Air Traffic Rerouting for Airspace Constraint Resolution

NASA's National Airspace System Constraint Evaluation and Notification Tool (NASCENT) is a dynamic constraint avoidance system that automatically analyzes routes of aircraft flying, or to be flown, in or near constraint regions, and attempts to find more time- and...

Briefs: Aerospace
Miles-In-Trail with Passback Restrictions for Use in Air Traffic Management

NASA has developed a unique innovation to compute passed back spacing requirements in air traffic management. The air traffic managers of the National Airspace System (NAS) in the United States regularly implement various Traffic Management Initiatives (TMI) to handle...

Briefs: Aerospace

NASA has developed a traffic management system for Unmanned Aerial Systems (UASs) to maintain safe and efficient UAS operations. This novel technology enables the growth in civilian applications of...

Articles: Automotive

Krishan Arora, Mike Baker, Glenn Barber, Peter Brett, Ross Dewhurst, Melvyn Dover, John Gamston, Steven Goodier, Annie Leeson, Vincent Panel, Ben Russell, Alessandra...

Application Briefs: Sensors/Data Acquisition

In an effort to improve traffic flow, driver safety, and asset management, the Michigan Department of Transportation (DOT) has installed 17 sensors on a 50-mile stretch...

Briefs: Aerospace
Unmanned Aerial Vehicle Integration into the National Airspace System

NASA and other organizations have invested heavily in unmanned aerial vehicle (UAV) research. UAVs can be flown in the National Airspace System (NAS) today, but only with special permission from the Federal Aviation Unmanned Aerial Vehicle Integration into the National...

Briefs: Aerospace
Airborne Coordinated Conflict Resolution and Detection (ACCoRD) Framework

To accommodate the predicted increase in air traffic, the next generation of air traffic management (ATM) systems relies on operational concepts where the responsibility for separation is distributed between airborne and ground systems. These distributed modes of operation...

Briefs: Information Technology
Safety Analysis of Conflict Prevention Algorithms

Different types of information are used to help aircraft maintain separation standards. At the lowest level, information is needed to indicate if separation standards will be violated in the near future, called a conflict. Once a conflict is detected, then conflict resolution information may be...

Briefs: Information Technology
Future Air-Traffic Management Concepts Evaluation Tool

In the United States, as many as 7,000 commercial and private aircraft may be in the air simultaneously at any given time and date, and the total number of commercial flights in a given 24-hour period generally exceeds 50,000. To maintain the safety and efficiency of air travel, this...

Articles: Software

In the 1990s, Heinz Erzberger led a team at NASA’s Ames Research Center in California to develop a suite of automated tools to reduce restrictions and improve the efficiency of air traffic...

Briefs: Lighting

Minuscule crystals that glow different colors may be the missing ingredient for white LED lighting that illuminates homes and offices as effectively as natural sunlight.

Briefs: Physical Sciences

In order to deliver crisp images in high-speed machine vision applications, image sensors require high-speed shuttering ability. The industry has traditionally relied on charge-coupled device (CCD) image sensors using...

Products: Lighting

The LF2B series of LED lighting units from IDEC (Sunnyvale, CA) is available in a universal 100-240V AC input, making it suitable for use anywhere in the world. And the LF2B LUMIFA series does not produce a flicker-affect...

Research News: Lighting

Newspapers are filled with stories describing reductions and removal of street lighting in order to reduce municipal costs. Tackling the tricky questions of when...

Research News: Lighting

In many of the nation's traffic lights, light-emitting diodes (LEDs) with their brighter light and longer life have replaced standard bulbs. But knowing when to...

Research News: Lighting

Physicists at the University of Utah have invented a new “spintronic” organic light-emitting diode (OLED) that promises to be brighter, cheaper and more...

Application Briefs: Lighting

As part of its preparations to host the London 2012 Olympic Games, the ExCeL London International Exhibition & Convention Centre expanded its efforts to convert the facility to greener,...

Articles: Lighting

After Nick Holonyak invented the practical visible LED in 1962, the first commercial products were limited in brightness and only to applications such as red indicator lights and seven segment displays. In...

Articles: Lighting Technology

As light-emitting diodes (LEDs) find their way into more outdoor applications, they are at higher risk for electrostatic discharge (ESD) and other electrical transients. High-brightness (HB) LEDs...

Articles: Lighting Technology

As global energy demand rises, the significant energy-saving potential of light-emitting diode (LED) lighting remains a top consideration for...

Application Briefs: Lighting

Founded over 200 years ago along the Mississippi River in Missouri, the city of Cape Girardeau is now home to almost 38,000 residents. The Missouri Highway 74 corridor...

Articles: Government

NASA’s Ames Research Center in Moffett Field, CA, has won NASA’s 2010 Government Invention of the Year Award and the Commercial Invention of the Year Award. The Government...