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William R. Ercoline

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Publication statistics

Pub. period:1989-1993
Pub. count:5
Number of co-authors:5

Co-authors

Number of publications with 3 favourite co-authors:

Lisa F. Weinstein:3
Kent K. Gillingham:2
D. Foster Bitton:1

Productive colleagues

William R. Ercoline's 3 most productive colleagues in number of publications:

Lisa F. Weinstein:4
Kent K. Gillingham:2
Frances A. Greene:2

Calendar

May 22

Knowing (by) Designing 2013

May 27

13th Intl. Conf. on New Interfaces for Musical Expression

May 28

Graphics Interface 2013

May 21

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William R. Ercoline

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Publications by William R. Ercoline (bibliography)

1993

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Weinstein, Lisa F. and Ercoline, William R. (1993): Procedures and Metrics for Aircraft Cockpit Display Evaluations. In: Proceedings of the Human Factors and Ergonomics Society 37th Annual Meeting 1993. pp. 1201-1205.

“The standardization of test methods for the evaluation of aircraft cockpit displays is an area display designers need to investigate. Comparable simulation facilities, and experimental protocols including tasks, performance parameters, data analysis techniques, and subject pools, need to be employed across military and civilian research laboratories to ensure that the results of simulation efforts will be interpreted similarly by all researchers and designers. This paper reviews the types of tasks and data collection, reduction, and analysis techniques used by researchers during a five-year Air Force research program designed to: 1) develop a standard head-up display (HUD) symbology set for use as a primary flight reference during instrument flight, and 2) develop a standard symbology set to be used as a baseline for comparing other HUDs. The program objective was met. The symbology set will be included in a revision of Military Standard (MIL STD) 1787, Aircraft Display Symbology.”

1992

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Weinstein, Lisa F., Ercoline, William R. and Bitton, D. Foster (1992): The Utility of a Ghost Horizon and Climb/Dive Ladder Tapering on a Head-Up Display. In: Proceedings of the Human Factors Society 36th Annual Meeting 1992. pp. 48-51.

“As part of an Air Force effort to standardize HUD symbology, an unusual attitude recovery task was employed to investigate the utility of a cue, the ghost horizon, that indicates the direction of the actual horizon when the climb/dive ladder horizon line is not within the HUD field of view. Six HUD-experienced and 6 non-HUD-experienced military pilot subjects were used to determine whether there was improvement, with the ghost horizon, in ability to recover from nose-down unusual attitudes in a flight simulator. The ghost horizon was evaluated with 3 different climb/dive ladder line configurations (tapered, non-tapered, reverse tapered). In terms of accuracy of the initial stick input, the ghost-horizon configurations resulted in significantly better performance (about 11% better) than did the non-ghost-horizon configurations. The ghost horizon had no effect on initial stick input reaction time or total recovery time. The climb/dive ladder line taper configuration did not affect accuracy, initial stick input reaction time, or total recovery time. Subjective data indicated that the pilots did not have a strong preference for any of the configurations. These findings suggest that the ghost horizon is a useful aid to unusual attitude recovery performance, and may reduce spatial disorientation.”

1991

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Weinstein, Lisa F. and Ercoline, William R. (1991): HUD Climb/Dive Ladder Configuration and Unusual Attitude Recovery. In: Proceedings of the Human Factors Society 35th Annual Meeting 1991. pp. 12-16.

“N/R”

1990

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Ercoline, William R. and Gillingham, Kent K. (1990): Effects of Variations in Head-Up Display Airspeed and Altitude Representations on Basic Flight Performance. In: D., Woods, and E., Roth, (eds.) Proceedings of the Human Factors Society 34th Annual Meeting 1990, Santa Monica, USA. pp. 1547-1551.

“N/R”

1989

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Ercoline, William R., Gillingham, Kent K., Greene, Frances A. and Previc, Fred H. (1989): Effects of Variations in Head-Up Display Pitch-Ladder Representations on Orientation Recognition. In: Proceedings of the Human Factors Society 33rd Annual Meeting 1989. pp. 1401-1405.

“Head-up display (HUD) research has centered on modifications to the basic aircraft control symbology -- the pitch-ladder lines. Although some of these modifications have led to minor improvements in attitude recognition, major problems still exist: pilots continue to experience spatial disorientation and to complain of occlusion due to the HUD symbols. This experiment compared four variations of a basic HUD pitch ladder: Display A, double articulation; Display B, single negative articulation; Display C, single negative articulation with gradually increasing thickness: and Display D, single negative articulation with gradually increasing thickness in a global arrangement. Accuracy of bank recognition was best when pitch-ladder symbology incorporated noticeable asymmetry. Double articulation and graduated thickness were associated with greater accuracy of pitch recognition. Studies under dynamic conditions are recommended.”

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