Evaluations of in-traffic performance of high-intensity discharge headlamps
dc.contributor.author | Sivak, Michael | en_US |
dc.contributor.author | Flannagan, Michael J. | en_US |
dc.contributor.author | Traube, Eric C. | en_US |
dc.contributor.author | Battle, Dennis S. | en_US |
dc.contributor.author | Sato, Takashi | en_US |
dc.date.accessioned | 2010-04-14T13:37:43Z | |
dc.date.available | 2010-04-14T13:37:43Z | |
dc.date.issued | 1994 | en_US |
dc.identifier.citation | Sivak, M.; Flannagan, M.J.; Traube, E.C.; Battle, D.S.; Sato, T. (1994). "Evaluations of in-traffic performance of high-intensity discharge headlamps." Lighting Research & Technology 4(26): 181-188. <http://hdl.handle.net/2027.42/68417> | en_US |
dc.identifier.issn | 1477-1535 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/68417 | |
dc.description.abstract | This study evaluated subjects' impressions of performance of high-intensity discharge (HID) headlamps after in-traffic experience, with an emphasis on colour appearance of red stop signs. In the first of two tasks, subjects drove (or rode) for half an hour on a variety of roads in a car equipped with either HID or tungsten-halogen low-beam headlamps. Instructions did not mention colour appearance. The second task involved a direct comparison of HID and tungsten-halogen headlamps. In this task, subjects drove (or rode) twice along a 7-minute route in a residential area, and they were instructed to pay attention to the colour appearance of stop signs and other objects. The main finding from Task 1 is that subjects who experienced HID headlamps did not report more (or fewer) spontaneous negative comments on colour appearance of stop signs or other objects than did subjects who experienced tungsten-halogen headlamps. Furthermore, the evaluations of the overall performances of the two types of headlamps were not different. In the direct comparison of Task 2 there was no evidence of problems with colour appearance when using HID headlamps. Moreover, subjects preferred HID headlamps in terms of the overall performance, and in making stop signs and other objects stand out from their background. However, this preference for HID headlamps was present only for subjects who had the relatively extended exposure to the HID headlamps in Task 1. The present results provide no evidence for problems with colour appearance of stop signs and other objects when using HID headlamps. Furthermore, the study provides evidence that observers perceive HID headlamps as helping stop signs and other objects to stand out from their background. The results imply that given a somewhat extended exposure to HID headlamps, drivers would prefer them over current tungsten-halogen headlamps. | en_US |
dc.format.extent | 3108 bytes | |
dc.format.extent | 1120056 bytes | |
dc.format.mimetype | text/plain | |
dc.format.mimetype | application/pdf | |
dc.publisher | SAGE Publications | en_US |
dc.title | Evaluations of in-traffic performance of high-intensity discharge headlamps | en_US |
dc.type | Article | en_US |
dc.subject.hlbtoplevel | Engineering | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | The University of Michigan Transportation Research Institute, 2901 Baxter Road, Ann Arbor, Michigan 48109-2150, USA | en_US |
dc.contributor.affiliationum | The University of Michigan Transportation Research Institute, 2901 Baxter Road, Ann Arbor, Michigan 48109-2150, USA | en_US |
dc.contributor.affiliationum | The University of Michigan Transportation Research Institute, 2901 Baxter Road, Ann Arbor, Michigan 48109-2150, USA | en_US |
dc.contributor.affiliationum | The University of Michigan Transportation Research Institute, 2901 Baxter Road, Ann Arbor, Michigan 48109-2150, USA | en_US |
dc.contributor.affiliationum | The University of Michigan Transportation Research Institute, 2901 Baxter Road, Ann Arbor, Michigan 48109-2150, USA | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/68417/2/10.1177_096032719402600402.pdf | |
dc.identifier.doi | 10.1177/096032719402600402 | en_US |
dc.identifier.citedreference | Sivak M., Simmons C.J. and Flannagan M. Colours of retroreflective traffic sign materials when illuminated by high-intensity discharge headlights Int. J. Vehicle Design 12(3) 284-295 (1991) | en_US |
dc.identifier.citedreference | Flannagan M., Sivak M., Gellatly A.W. and Luoma J. Ranges of stop sign chromaticity under tungsten-halogen and high-intensity discharge illumination Report No. UMTRI-92-17 (Ann Arbor : The University of Michigan Transportation Research Institute) (1992) | en_US |
dc.identifier.citedreference | Sivak M., Flannagan M., Gellatly A.W. and Luoma J. Subjective preferences for red colour of stop signs: Implications for the design of high-intensity discharge headlamps Color Res. Applic. 17(5) 356-360 (1993) | en_US |
dc.identifier.citedreference | Kantowitz B.H. and Sorkin R.D. Human factors (New York : Wiley) (1983) | en_US |
dc.identifier.citedreference | Lamps, reflective devices and associated equipment Standard 108 in Code of federal regulations (Washington, DC: Office of the Federal Register) (1991) | en_US |
dc.identifier.citedreference | Collins B.L. Evaluation of colours for use on traffic control devices Report 88-3894 (Gaithersburg, MD: National Institute of Standards and Technology) (1988) | en_US |
dc.identifier.citedreference | Arens J B., Saremi A.R. and Simmons C.J. Colour recognition of retroreflective traffic signs under various lighting conditions Public Roads 55 (1)1-7(1991) | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
Files in this item
Remediation of Harmful Language
The University of Michigan Library aims to describe library materials in a way that respects the people and communities who create, use, and are represented in our collections. Report harmful or offensive language in catalog records, finding aids, or elsewhere in our collections anonymously through our metadata feedback form. More information at Remediation of Harmful Language.
Accessibility
If you are unable to use this file in its current format, please select the Contact Us link and we can modify it to make it more accessible to you.