Traffic signal controller and traffic signal control method

A traffic signal and control method technology, applied in the direction of controlling traffic signals, etc., can solve problems such as fault handling of main control equipment, inability to realize tidal control, etc., to achieve reasonable structure, improve reliability and safety, and save the number of effects.

Active Publication Date: 2010-09-22
杭州普乐科技有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

However, the application only improves the left-turn lane, and does not involve variable lane control methods, output guidance information guidance methods, and token control methods, nor does it substantially deal with the failure of the main control equipment, and still cannot achieve tidal control

Method used

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  • Traffic signal controller and traffic signal control method
  • Traffic signal controller and traffic signal control method

Examples

Experimental program
Comparison scheme
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Embodiment

[0033] The control method of the embodiment includes fault degradation processing and anti-interference processing. The fault downgrading process is implemented by combining hardware and software. When the main control module 11 fails and the auxiliary module 6 does not receive the control signal sent by the main control module 11 within 3.5s, the auxiliary module 6 automatically transfers to the preset single Click the two-phase control mode, that is, the intersection is divided into two steps to pass in the east-west direction and north-south direction, or a specific simple control mode to drive and control traffic lights; The flasher / lane indication default control device immediately enters the working state, the intersection signal light control is yellow and the flasher enters the yellow flashing state or the light-off state, the variable lane control enters the default mode, and the tidal lane lane marking indicator light of the tidal lane control automatically turns red ...

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Abstract

The invention relates to a traffic signal controller and a control method. The traffic signal controller comprises a control main machine, a traffic volume acquisition module, a signal input / output module and an IO output module, wherein the control main machine comprises a main control module adopting an ARM11 embedded processing chip and a PDA microprocessor; the traffic volume acquisition module adopts a TTL electric level and a serial traffic volume acquisition module; and the signal input / output module comprises an electric carrier and a serial signal input / output module. The control method adopts a token communication system, a variable lane, tide lane and traffic signal light scheduling module is arranged in the main control module, and a traffic signal equipment set comprises a variable lane electronic directional signboard, a tide lane identifier indicator light and a traffic signal light and performs variable lane control, tide lane control and traffic signal light control. The controller and the control method overcome the drawbacks of the prior art and have the advantages of realizing variable lane sign automatic scheduling, supporting tide lane control, along with reasonable circuit design, convenient operation and use and the like.

Description

technical field [0001] The invention relates to an intelligent traffic control device and a control method, in particular to an intelligent coordinated traffic signal controller and a control method capable of controlling tidal lanes. Background technique [0002] In the prior art, the signal controller of the intelligent traffic signal light control system mainly adopts ARM7 and ARM9 series embedded CPU chips, and the calculation speed cannot keep up with the requirements of intersection information processing; the control of traffic signal light groups is mainly controlled by cable transmission control or power line plus communication mode control. This type of controller controls the waste of cables at intersections, and the amount of laying work and construction difficulty are large; if the system is expanded, if it is necessary to release traffic guidance information and collect traffic flow information, additional communication cables will be required, and repeated inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/08
Inventor 文建斌许明洪
Owner 杭州普乐科技有限公司
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