Influencing Factors of Intelligent Dimming Control in Highway Tunnels
This paper established a network model by BP neural network to study the influences of different factors on intelligent dimming control at the entrance and middle section of the tunnel.After analyzing the calculation result,it was concluded that when the driving speed in the tunnel is over 60 km/h,the intelligent dimming control should be used.The traffic volume had relatively less effect on each illumination section in the tunnel which generally increased linearly with the increase of the traffic volume.The brightness at the entrance significantly increased linearly with the increase of the brightness outside the tunnel,indicating that the influence of the brightness outside the tunnel was large on the brightness at the entrance.
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