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LED civilian aircraft instrument panel lighting

Author: HuangZuo
Tutor: LinYanDan
School: Fudan University
Course: Photovoltaic systems and control technology
Keywords: Civil aircraft cockpit Dashboard lighting Ergonomical Study LED lamps Optical design
CLC: TN312.8
Type: Master's thesis
Year: 2011
Downloads: 64
Quote: 0
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The paper discussed the application of LED in civil aircraft instrument panel lighting. China in recent years great efforts to develop civil aircraft industry, however, the late start of the domestic civil aircraft cockpit lighting. The of LED civilian aircraft instrument panel lighting, there are many subject worthy of study, including the feasibility of how specific parameters should be how to select. This is where it is the significance of the thesis work. This paper aims to research literature and standards, ergonomics experiment and lighting design practice, research whether the LED light source suitable for cockpit instrument panel lighting, as well as the light source color temperature, illumination and brightness parameters should be how to choose. Papers on existing aircraft cockpit lighting standard collection, sorting, master of the general situation of the relevant standards. Taking into account the aircraft cockpit instrument panel lighting, key parameters including illuminance, luminance, light, color and contrast. Therefore, in the choice of study, the main consideration involved in these parameters and more mature and advanced standards. Through in-depth analysis of these standards, the recommended values ??of the parameters of the cockpit instrument panel lighting. These recommended values ??can be used as the initial basis for follow-up ergonomics and optical design. On the basis of the study of literature and standard paper using two methods of evaluation of visual comfort and visual performance assessment dashboard lighting ergonomics. Visual comfort evaluation experiments in a simulated cockpit environment, the specific method is to let the score of the day and the night two scenarios under different light color lighting effects. The results suggest that the daytime scenes people prefer high color temperature and illumination close to daylight color night of the LED with a color temperature of 3000K able to provide the highest level of satisfaction. Visual performance experiment is specially true on the dashboard the experimental scene better simulate the environment of the cockpit. The experimental parameters for the 2,4,8,16 cd/m2 four brightness levels, and 2000K, 3000K, 4000K, 5800K four kinds of white. The results show that the mark brightness 8cd/m2, a color temperature of 3000k and 5800k dashboard lighting can provide a higher level of visual performance. Taking into account the cockpit lighting light color preferences experimental results show that the the 3000k under testees comfort better, so the recommended mark brightness 8cd/m2 color temperature of 3000k dashboard lighting system. Finally, the paper also carried out the optical design of the dashboard floodlighting design goal performance from the literature and standards, the results of the experimental study of ergonomics. Secondary optical design of high-power LED SMD package, control the lamp out light distribution and better uniform illumination effects on the dashboard. Proofing the design and test results show that the optical properties reached the dashboard floodlighting requirements. The innovation of this paper include the following. First, domestic civil aircraft instrument panel lighting field started late, need to be strengthened; Second, the lack of a clear basis for the dashboard lighting products in the market parameter selection, this paper through Ergonomics experiments carried research and validation; Third innovative design to high-power LED is applied to the instrument panel floodlight lighting, to overcome the optical design difficulties, the program better.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Semiconductor technology > Semiconductor diode > Diodes: structure and performance > Light-emitting diodes
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