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Real-World Frequency of Use of Automotive Lighting Equipment

机译：汽车照明设备的实际使用频率

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This study provides information about average annual use of the following automotive lighting equipment by U.S. drivers: low- and high-beam headlamps, turn signals, and stop, back-up, parking, sidemarker, and tail lamps. The data were collected as part of a naturalistic field study of crash warning systems. Eighty-seven randomly selected drivers from southeastern Michigan were provided with instrumented research vehicles (11 identical 2003 Nissan Altimas) for periods averaging 26 days and instructed to drive the vehicles as their personal vehicles.rnThe results are presented for each lamp type in terms of the average annual hours of use and minutes used per 100 km driven. These findings are discussed in relation to the rated life of various lamps and the average life of vehicles in the U.S.rnLicense plate, parking, sidemarker, and tail lamps were the most frequently used automotive lighting equipment, averaging just over 100 hours per year. The least used lamps were back-up lamps, which were used less than five hours per year. Average annual hours of lamp use decreased with increasing driver age. While rates of use for stop, turn signal, and back-up lamps were similar for females and males, male drivers accrued 34 percent more hours of nighttime driving than female drivers, while using their high beams about half as often.
机译：这项研究提供了有关美国驾驶员平均每年使用以下汽车照明设备的信息：近光和远光头灯，转向信号灯以及停车，倒车，停车，侧标和尾灯。收集数据是对碰撞预警系统进行自然主义现场研究的一部分。向来自密歇根州东南部的87名随机选择的驾驶员提供了仪器研究车辆（11辆相同的2003年日产Altimas），平均时间为26天，并指示将其作为私人车辆行驶。每100公里行驶的平均年使用小时数和使用分钟数。我们将这些发现与各种灯的额定寿命以及美国牌照，停车灯，侧标和尾灯的车辆平均寿命进行了讨论，这些灯是最常用的汽车照明设备，每年平均超过100个小时。最少使用的灯是后备灯，每年使用时间少于5个小时。随着驾驶员年龄的增长，年平均使用灯泡的小时数减少。尽管男女停车，转向信号灯和倒车灯的使用率相似，但男性驾驶员夜间驾驶的时间要比女性驾驶员多34％，而使用远光灯的频率大约是女性的一半。

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