829 research outputs found
Usability Evaluation of Spot and Runway Departure Advisor (SARDA) Concept in Dallas/Fort Worth Airport Tower Simulation
Spot and Runway Departure Advisor (SARDA) is a proposed decision-support tool for air traffic control tower controllers for reducing taxi delay and optimizing the departure sequence. In the present study, the tool's usability was evaluated to ensure that its claimed performance benefits are not being realized at the cost of increasing the work burden on controllers. For the evaluation, workload ratings and questionnaire responses collected during a human-in-the-loop simulation experiment were analyzed to assess the SARDA advisories' effects on the controllers' ratings on cognitive resources (e.g., workload, spare attention) and satisfaction. The results showed that SARDA reduced the controllers' workload and increased their spare attention. It also made workload and attention levels less susceptible to the effects of increases in the traffic load. The questionnaire responses suggested that the controllers generally were satisfied with the ease of use of the tool and the objectives of the SARDA concept, but with some caution. To gain more trust from controllers, the the reasoning behind advisories may need to be made more transparent to them
Strip-TIC : exploring augmented paper strips for Air Traffic Controllers
International audienceThe current environment used by French air traffic controllers mixes digital visualization such as radar screens and tangible artifacts such as paper strips. Tangible artifacts do not allow controllers to update the system with the instructions they give to pilots. Previous attempts at replacing them in France failed to prove efficient. This paper is an engineering paper that describes Strip-TIC, a novel system for ATC that mixes augmented paper and digital pen, vision-based tracking and augmented rear and front projection. The system is now working and has enabled us to run workshops with actual controllers to study the role of writing and tangibility in ATC. We describe the system and solutions to technical challenges due to mixing competing technologies
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Study of sustainability opportunities during construction
textConstruction Sustainability involves the processes, decisions, and actions during the construction phase of capital projects that enhance current and future environmental, social, and economic needs while considering project safety, quality, cost, and schedule. Most of the currently available published literature and advances in project level sustainability practices have focused on the early Concept Planning and Design phases of capital projects. Knowledge of sustainability practices during the Construction phase of capital projects is still in the early development stages and is highly fragmented; information regarding the selection, assessment, and implementation of construction sustainability solutions has remained largely unavailable or underdeveloped. Moreover, capital project owners and constructors increasingly seek practical guidance and resources to better integrate and evaluate sustainability decisions and actions within project construction services. The dearth of research on effective sustainability practices during the construction phase suggests that higher levels of sustainability attention and effort are needed in this area, in addition to the creation of support guidance and tools.
To fill this gap in knowledge, this research has identified 54 unique actions that project teams can apply during construction to enhance the overall sustainability of their project. These construction phase sustainability actions (CPSAs) have been cataloged, characterized, and evaluated to facilitate their consideration and implementation by project teams. To further support the selection process and implementation of these actions, the research team developed a high-level strategic work process, a spreadsheet-based CPSA Screening Tool, and additional in-depth guidance for three CPSAs. In addition, both input- and output-oriented construction sustainability metrics have been developed and identified. Equipped with the findings from this study, owners and construction contractors will be better prepared to implement sustainability actions during the construction phase of capital projects.Civil, Architectural, and Environmental Engineerin
2.4. An ASV (Autonomous Surface Vehicle) for Archaeology: The Pladypos at Caesarea Maritima, Israel
With the advent of new digital site recording technologies, archaeologists must manage spatial and visual datasets that have grown far beyond the capacity of last century’s paper notebooks. Turning to purely digital recording systems (“going paperless”) in underwater archaeology presents a different set of challenges from terrestrial archaeology and requires a specialized toolkit. The Pladypos prototype, an autonomous surface vehicle, responds to the need for underwater archaeological site mapping tools to be simple, robust, highly portable, and—where appropriate—to coordinate its operations effectively with human divers and tablet-based digital recording systems. Over several days in 2014, the Pladypos was deployed to map the Herodian port structures at Caesarea Maritima, Israel, one of the Mediterranean’s most important submerged coastal sites. In 2015, this mission was expanded to support the excavation of the site of a possible 11th-century a.d. Fatimid shipwreck found near the southern breakwater of Caesarea’s outer harbor.https://dc.uwm.edu/arthist_mobilizingthepast/1012/thumbnail.jp
High speed access: Micro radio, action, and activism on the internet
During the spring and summer of 1999, the Low Power Radio Service Notice of Proposed Rulemaking (NPRM) by the Federal Communication Commission (FCC) recently drew a record number of responses. Several thousand people from all over the country participated in what has traditionally been the purview of major corporations and institutions, including 1120 individuals who signed the Micro Radio Empowerment Coalition comments. This paper examines that response and its implications for the micro radio and other activist movements. The Internet played an important role not only in filing responses, but in drafting and signing responses as well. For example, the Joint Statement on Micro Radio garnered 30 organizations and 101 individuals from 17 states in less than three weeks--entirely on-line. Instantaneous communication, resource sharing, and organizational potential of the Internet are the foundation of a grassroots Micro Radio Movement that has gone from obscurity to the national arena in less than five years. The ability to act, react, and organize effectively and in a timely manner has allowed a broad-based, diverse, but scattered, under-funded, and often divisive coalition to challenge some of America\u27s most powerful media organizations
AEOLIX Living Labs Operational ImpactsAssessment
This document provides the AEOLIX impact assessment of living labs at the operational level. It is based on three main impacts namely business, environment, and socio-economic impacts. The three impacts are sub-divided further into sub-categories. The report collects data from twelve living labs involved in with AEOLIX. One of the main goals of AEOLIX was to reduce the costs for various logistics activities as implemented in twelve living labs. The expected benefits in the business area are from reducing the consumption of different resources, reducing the time used for various activities, and from increasing the productivity in certain areas. The economic or business benefits came along two dimensions: (i) in terms of time and (ii) in terms of money. In terms of time, AEOLIX facilitated reducing the time spent on various activities at the companies. In terms of money, AEOLIX helped to save the costs of specific logistics activities within the living lab.For the environmental aspect an overall value of 20% was set as target value for reduction in CO2 emission using AEOLIX. Only one of all living labs reached this target value, but there was anyhow a reduction found in all living labs. AEOLIX and its functions have also helped in reducing noise pollution at some of the living labs. In some cases, there was quite a considerable reduction. For the socio-economic aspects the job creation, SME empowerment, and the improved quality of life are addressed. This study has explored the impact of AEOLIX on job creation in terms of drivers’ and operators’ jobs. Since the AEOLIX implementation is still in its initial phases, respondents were unable to estimate how many jobs (drivers and/or operators) were created in the long run. SME Empowerment was measured as the increase in SMEs’ market share and the increase in direct collaboration between SMEs and large organizations. The results were meager both with regard to the market share and the extent of collaboration. The improved quality of life is measured in the way AEOLIX puts more focus on work, the less stress at work and a positive attitude towards people using it. The results reflect that AEOLIX has greatly helped employees to put more focus on work and to reduce stress levels. Managers consider this as a positive side of the return on investment (ROI) as the business processes are improved. AEOLIX impact on various socio-economic aspects is in principle positive but as this process is very slow to emerge it takes time to observe any changes in social aspects.Acceptance and trust on AEOLIX can be captured as a majority of the evaluation managers of the living labs found the AEOLIX functions (dashboard, connectivity engine and toolkit) useful to a great extent. The willingness to continue using AEOLIX functions and their usefulness are directly related to each other. This means that the more useful a function is, the more users are willing to continue using it. The AEOLIX platform, through various services and functions, has a positive impact on society in general and on workers in particular. Although this impact cannot be evaluated financially for the first year of the AEOLIX implementation, numerous studies show that a more satisfying and less stressful job, together with a more welcoming and stimulating environment, have an important economic impact in the long-term period. Therefore, the fact that AEOLIX has a positive impact on society will also prove to be an economic benefit for the different companies
City of Berlin, NH annual report fiscal year July 1, 2017 to June 30, 2018.
This is an annual report containing vital statistics for a town/city in the state of New Hampshire
Current Safety Nets Within the U.S. National Airspace System
There are over 70,000 flights managed per day in the National Airspace System, with approximately 7,000 aircraft in the air over the United States at any given time. Operators of each of these flights would prefer to fly a user-defined 4D trajectory (4DT), which includes arrival and departure times; preferred gates and runways at the airport; efficient, wind-optimal routes for departure, cruise and arrival phase of flight; and fuel efficient altitude profiles. To demonstrate the magnitude of this achievement a single flight from Los Angeles to Baltimore, accesses over 35 shared or constrained resources that are managed by roughly 30 air traffic controllers (at towers, approach control and en route sectors); along with traffic managers at 12 facilities, using over 22 different, independent automation system (including TBFM, ERAM, STARS, ASDE-X, FSM, TSD, GPWS, TCAS, etc.). In addition, dispatchers, ramp controllers and others utilize even more systems to manage each flights access to operator-managed resources. Flying an ideal 4DT requires successful coordination of all flight constraints among all flights, facilities, operators, pilots and controllers. Additionally, when conditions in the NAS change, the trajectories of one or more aircraft may need to be revised to avoid loss of flight efficiency, predictability, separation or system throughput. The Aviation Safety Network has released the 2016 airliner accident statistics showing a very low total of 19 fatal airliner accidents, resulting in 325 fatalities1. Despite several high profile accidents, the year 2016 turned out to be a very safe year for commercial aviation, Aviation Safety Network data show. Over the year 2016 the Aviation Safety Network recorded a total of 19 fatal airliner accidents [1], resulting in 325 fatalities. This makes 2016 the second safest year ever, both by number of fatal accidents as well as in terms of fatalities. In 2015 ASN recorded 16 accidents while in 2013 a total of 265 lives were lost. How can we keep it that way and not upset the apple cart by premature insertion of innovative technologies, functions, and procedures? In aviation, safety nets function as the last system defense against incidents and accidents. Current ground-based and airborne safety nets are well established and development to make them more efficient and reliable continues. Additionally, future air traffic control safety nets may emerge from new operational concepts
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