Application of Dimming System Based on Vehicle Amount and Luminance Inside/Outside Tunnel: A Case Study on Jiudingshan Extralong Tunnel on ChuxiongDali Expressway

doi:10.3973/j.issn.1672-741X.2016.02.004

Tunnel Construction ›› 2016, Vol. 36 ›› Issue (2): 143-149.DOI: 10.3973/j.issn.1672-741X.2016.02.004

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Application of Dimming System Based on Vehicle Amount and Luminance Inside/Outside Tunnel: A Case Study on Jiudingshan Extralong Tunnel on ChuxiongDali Expressway

BAO Xuejun¹, LYU Xiaofeng^2,*, XIA Qian², SHI Lingna³

(1. Yunnan Broadvision Engineering Consultants, Kunming 650011, Yunnan, China; 2. Hefei Yuanhui Optoelectronic  Co., Ltd., Hefei 230041, Anhui, China; 3.Traffic Engineering and Energysaving Department, China Merchants  Chongqing Communications Technology Research & Design Institute Co., Ltd., Chongqing 400067, China)

Received:2015-08-17 Revised:2015-11-02 Online:2016-02-20 Published:2016-03-02

Abstract

Abstract:

The traffic characteristics of Jiudingshan Tunnel on ChuxiongDali Expressway are described; the theoretical reference of the adjustment of energy conservation of lighting system of the tunnel is presented. The mathematical model with stepless dimming system of the expressway tunnel is proposed; and then the structure of the stepless dimming system is established. Comparison and contrast is made between conventional dimming system and stepless dimming system in terms of power supply. The results show that by using stepless dimming system, 32.6% energy can be saved compared to the conventional dimming system. 

Key words: extralong expressway tunnel, lighting system, stepless dimming system, vehicle amount variation, luminance variation outside tunnel

CLC Number:

U 453.7

BAO Xuejun, LYU Xiaofeng, XIA Qian, SHI Lingna. Application of Dimming System Based on Vehicle Amount and Luminance Inside/Outside Tunnel: A Case Study on Jiudingshan Extralong Tunnel on ChuxiongDali Expressway[J]. Tunnel Construction, 2016, 36(2): 143-149.

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Application of Dimming System Based on Vehicle Amount and Luminance Inside/Outside Tunnel: A Case Study on Jiudingshan Extralong Tunnel on ChuxiongDali Expressway

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