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- After conducting human factors research in air traffic control, I am now the Human Factors Lead for the system acquis... moreAfter conducting human factors research in air traffic control, I am now the Human Factors Lead for the system acquisition arm of the Federal Aviation Administration's Air Traffic Organization.edit
This paper demonstrates the implementation of adaptive technology to assist a 26 year-old woman (WR) with severe developmental disabilities in her daily life activities. A multidisciplinary team of University-affiliated professionals and... more
This paper demonstrates the implementation of adaptive technology to assist a 26 year-old woman (WR) with severe developmental disabilities in her daily life activities. A multidisciplinary team of University-affiliated professionals and staff at a Center for persons with developmental disabilities worked together in evaluating WR and interfacing her with a specially adapted remote control for a TV/VCR. This paper delineates the process of identifying WR's specific needs to determine attributes of technology most conducive to her functioning.
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This document is available to the public through the National Technical Information
This document is available to the public through the National Technical Information
Abstract The study applied the Cochran-Weiss-Shanteau (CWS) index, a behavioral-based measure of expertise that integrates discrimination and consistency. Larger CWS scores are indicative of better evaluation, ie, greater discrimination... more
Abstract The study applied the Cochran-Weiss-Shanteau (CWS) index, a behavioral-based measure of expertise that integrates discrimination and consistency. Larger CWS scores are indicative of better evaluation, ie, greater discrimination and consistency. CWS was used ...
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We investigated integrating Conflict Probe (CP) on air traffic controllers’ Radar Side (R-Side) displays. Eight controllers worked realistic, high-traffic simulation scenarios alone, using both RSide and Radar Associate Side (RA-Side)... more
We investigated integrating Conflict Probe (CP) on air traffic controllers’ Radar Side (R-Side) displays. Eight controllers worked realistic, high-traffic simulation scenarios alone, using both RSide and Radar Associate Side (RA-Side) displays. We manipulated CP presence on the R-Side— like today, it always appeared on the RA-Side—and the presence of yellow alerts for nearconflicts. We used established controller performance and workload metrics, plus novel operational analyses not used in past studies. R-Side CP had few workload effects, but increased voice communications when we included yellow alerts. It improved the efficiency of correcting conflict-inducing clearances, and seemed to facilitate proactive control to avert more urgent alerts. Though our simulated CP was less reliable than the current operational version, it showed evidence of benefiting performance and acceptance. Participants commented that R-Side yellow alerts were desirable in moderation. Future research should...
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Purposes of the study were to measure mechanical vibrations transmitted to train operators, to calculate daily whole-body vibration exposure levels, to compare measured levels with maximum acceptable exposure levels according to the... more
Purposes of the study were to measure mechanical vibrations transmitted to train operators, to calculate daily whole-body vibration exposure levels, to compare measured levels with maximum acceptable exposure levels according to the international standard on whole-body vibration, to identify factors that influence vibration levels, and to quantify the effects of these factors on the measured levels. As a result of this study, it was determined that six out of twenty subway lines had vibration levels higher than the daily exposure limits recommended by the international standard, and that train speed was the most significant factor influencing the vibration levels.
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This study is part of the Separation Management research program, whose goals include improving the FAA’s operational Conflict Probe function. Conflict Probe alerts air traffic controllers to conflicts, or situations where aircraft will... more
This study is part of the Separation Management research program, whose goals include improving the FAA’s operational Conflict Probe function. Conflict Probe alerts air traffic controllers to conflicts, or situations where aircraft will be too close to each other. The present study is one link in a chain of research efforts. We used the results of a meta-analysis of Human Factors literature on automation accuracy (Rein, Masalonis, Messina, & Willems, in press) in conjunction with FAA mathematical studies on the accuracy of the current Conflict Probe prototype (Crowell, Fabian, Young, Musialek, & Paglione, 2011; Crowell & Young, 2012) and determined the acceptability of the prototype’s conflict detection performance. The present results will feed upcoming operational research including a human-in-the loop (HITL) simulation in which the prototype will be used, by helping establish whether the prototype was “good enough” to improve joint human-automation system performance. In addition...
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Some air traffic control researchers have reported that the relationship between aircraft count in the sector and controller workload is nonlinear. Other researchers have reported it linear. However, they did not manipulate the number of... more
Some air traffic control researchers have reported that the relationship between aircraft count in the sector and controller workload is nonlinear. Other researchers have reported it linear. However, they did not manipulate the number of aircraft separately in their experiments. In our experiment, we gradually increased traffic levels within each experimental run. Our controllers used three different workstation systems with and without data communication. The linear and power models described the relationship well. The proportion of workload variance explained by aircraft count was well above 50%. With these models, we predict controllers could handle about four (13%) more aircraft with data communication than without it with the Display System Replacement (DSR) system that is currently used at Air Route Traffic Control Centers (ARTCCs).
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... DESIREE can operate using a fictitious airspace developed at the RDHFL as well as real airspace extracted from the National Airspace System (NAS). ... [7] Della Rocco, P., G. Panjwani, F. Friedman-Berg, P. Kopardekar, & S. Hah,... more
... DESIREE can operate using a fictitious airspace developed at the RDHFL as well as real airspace extracted from the National Airspace System (NAS). ... [7] Della Rocco, P., G. Panjwani, F. Friedman-Berg, P. Kopardekar, & S. Hah, (2004). Collocation of Page 9. 6A3-9 ...
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The Next Generation Air Transportation System (NextGen) is designed to transform the existing air traffic system and introduce new procedures to accommodate increased traffic levels. This simulation evaluated three potential procedures... more
The Next Generation Air Transportation System (NextGen) is designed to transform the existing air traffic system and introduce new procedures to accommodate increased traffic levels. This simulation evaluated three potential procedures using two simulated en route controller workstation systems. The Baseline system modeled the workstation planned for use in the field after 2010. The Future En Route Workstation (FEWS) added features and functions to the Baseline system to further support the management of high traffic levels and procedure use. When using the FEWS system, the participants managed more aircraft, held traffic less, and reported lower workload than when using the Baseline system. When the participants worked with Area Navigation (RNAV) procedures that included both lateral and vertical conformance constraints, they managed more aircraft and issued fewer voice clearances than when they worked with RNAV procedures that included only lateral constraints. We did not find additional benefits for the other two delegated aircraft procedures.
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Research Interests: Human Computer Interaction, Situation awareness, Human Factors, Team Situation Awareness, Radar, and 11 moreDecision Support Systems, Aviation Safety, Air Traffic Management, Aviation Psychology, Decision support system, Air traffic control, Automation, SITUATIONAL AWARENESS, Workload, Air Traffic Controller, and Control Management
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Functional near infrared spectroscopy (fNIRS) is an emerging neuroimaging technique that has found home in various human factors and ergonomics applications. Why fNIRS? Is it better than EEG or fMRI? Is it an appropriate neuroimaging... more
Functional near infrared spectroscopy (fNIRS) is an emerging neuroimaging technique that has found home in various human factors and ergonomics applications. Why fNIRS? Is it better than EEG or fMRI? Is it an appropriate neuroimaging technique for my research/application? What are the methodological considerations for fNIRS analyses? This panel discussion is aimed at answering these questions, among others, when panelists from varied human factors and ergonomics applications discuss how they employ fNIRS in their investigations.
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The emerging wearable human performance monitoring technologies can help evaluate the cognitive status and capacities of the crew in the cockpit as well as those operating ground control stations. Traditionally the use of behavioral... more
The emerging wearable human performance monitoring technologies can help evaluate the cognitive status and capacities of the crew in the cockpit as well as those operating ground control stations. Traditionally the use of behavioral measures and subjective metrics has been used to address cognitive factors associated with pilots or operators of safety critical systems. However, the advance in wearable physiology technologies could provide additional performance metrics directly driven from brain based measures, potentially validating subjective assessments and ultimately bringing us closer towards maintaining safe and effective performance. Furthermore, these techniques may also aid the design and evaluation of new technologies that are being presented as increasing operational capacity, efficiency and safety across the aerospace domain. The measurement of real time brain activity from the operator can help evaluate decision making, and reliably compare workload burden of next gener...