Design of an Equipped Vehicle for In Situ Road Lighting Measurement

Cheng-Hsien Chen (), Shau-Wei Hsu, Tsung-Hsun Yang and Ching-Cherng Sun
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Cheng-Hsien Chen: Department of Optics and Photonics, National Central University, Taoyuan 32001, Taiwan
Shau-Wei Hsu: Center for Measurement Standards, Industrial Technology Research Institute, Hsinchu 30011, Taiwan
Tsung-Hsun Yang: Department of Optics and Photonics, National Central University, Taoyuan 32001, Taiwan
Ching-Cherng Sun: Department of Optics and Photonics, National Central University, Taoyuan 32001, Taiwan

Sustainability, 2023, vol. 15, issue 13, 1-15

Abstract: Sustainable road lighting aims to minimize energy consumption and reduce carbon emissions. Road lighting assessment helps evaluate the energy efficiency of lighting systems, including the selection of appropriate lighting fixtures, efficient lamp technologies (such as LED), and lighting control strategies. Assessments can identify areas for improvement and guide the implementation of energy-saving measures. This study introduces a new technology that utilizes a specially equipped vehicle to efficiently and quickly measure photometric quantities on long, illuminated roads. The measurement ranges for illuminance and luminance are (0.1 to 1000) lx and (0.1 to 100) cd/m 2 , respectively. The equipped vehicle has a positioning resolution of less than 1 cm. A sampling distance of less than 2 m while traveling at a speed of approximately 20 km/h and a sampling rate of 3 samples/s. To test the system’s applicability, the road used in this study was slightly sloped and curved. The results indicate a strong correlation between the illuminance distributions measured by the new method and those measured by traditional methods, thereby confirming the effectiveness of this innovative approach.

Keywords: equipped vehicle; road lighting; ILMD; illuminance; luminance; measurement (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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