CAN bus-based tunnel lighting self-adaptive control method and device

A CAN bus, adaptive control technology, applied in lighting devices, energy-saving control technology, lamp circuit layout, etc., can solve the problem of no reliable bus information transmission technology, and achieve decentralized information processing burden, easy implementation, and low cost. Effect

Inactive Publication Date: 2018-02-16
GUIZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Without reliable bus information transmission technology and real-time lighting parameter processing method, intelligent control of tunnel energy-saving lighting system is out of the question

Method used

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  • CAN bus-based tunnel lighting self-adaptive control method and device
  • CAN bus-based tunnel lighting self-adaptive control method and device
  • CAN bus-based tunnel lighting self-adaptive control method and device

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Embodiment Construction

[0019] Embodiment of the present invention: the adaptive control method of tunnel lighting based on CAN bus, laying a group of CAN buses in the expressway tunnel, on which the upper computer, the brightness detection module of the tunnel entrance, the real-time brightness detection module of the tunnel section, Passing vehicle information detection module and node controller; each node controller is connected with an LED light group driver, and the node controller can detect the traffic according to the brightness information of the tunnel entrance, traffic flow information, vehicle speed information, the section and area where the controller is located The segment real-time brightness information is used as the dimming parameter, and the control information of the LED lamp group driver is generated after being processed by the adaptive dimming algorithm, and the control information is transmitted by the CAN bus.

[0020] Described CAN bus transmission control information: the ...

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Abstract

The invention discloses a CAN bus-based tunnel lighting self-adaptive control method and device. A CAN bus is used for transmitting lighting control information, equal communication and safe arbitration of each node are achieved, and the reliability and the real-time performance of the system are guaranteed. A self-adaptive diming algorithm controlled by single-neural element PID is also used forprocessing a lighting parameter, a node controller arranged at each position of a tunnel can be used for independently processing the lighting control information according to a special condition, thenode controller has self-adaptive control capability, so that constant changing of a working condition in the tunnel is satisfied, and the real-time performance of the system is guaranteed. The information transmission and dimming mode is high in reliability and high in real-time performance, the demanded lighting control mode that a lamp is turned on when a vehicle approaches and is turned off when the vehicle passes of the tunnel and the brightness of a lighting lamp at a corresponding road segment is automatically adjusted according to illumination intensity inside and outside the tunnel and a vehicle speed can be achieved, and energy is effectively saved on the premise of ensuring travelling safety in the tunnel.

Description

technical field [0001] The invention relates to the technical field of intelligent lighting for highway tunnels, and belongs to a CAN bus-based tunnel lighting adaptive control method and device. Background technique [0002] The tunnel energy-saving lighting control system is to save energy on the premise of ensuring the safety of tunnel driving. The former requires high reliability of the system, and the latter requires the realization of "vehicle approach lights are on, and vehicle passing lights are off, and the corresponding road sections are automatically adjusted according to the light intensity inside and outside the tunnel and the speed of the vehicle The on-demand lighting effect of "the brightness of the lighting lamp" determines that the system must have strong real-time performance, so it is very important to choose the appropriate control algorithm and communication method: ① Tunnel energy-saving lighting requirements, the lighting brightness of the section wher...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B33/08H05B37/02H05B44/00
CPCH05B45/10H05B47/19Y02B20/40
Inventor 李良荣王灿李震顾平张正丽
Owner GUIZHOU UNIV
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