Position:(11) traffic signal control
Traffic signal control basically is to be used at helping dredge liaison man, provide information to the driver, in order to make sure road is expedite. In channel the setting before two end enter the mouth hands in a signal lamp, by control center integration analysis the pertinent information of each system, control the accident of the switch of signal lamp and time.
In channel entry point installs mark of an alterable speed limit and an alterable information board, control center basis the traffic situation inside channel, data of instruction of editor and breath of hair deliver communication, operation, road condition, speed limit, call the police many information such as information, guide the car flow that enters tunnel, with avoid or removing block of the traffic inside channel, channel is shut to pass through when sudden incident happens, in channel the entrance is in the detector outside setting Che Gaogong, of the car to entering tunnel into drive a vehicle tall measure, use plate identifying system, testing system of speech system, video, undertake to freeboard car speech calls the police.
Be inside channel or channel mouth sets alterable information mark and mark of alterable speed limit, use at the traffic inside channel is being released to hint information and speed dominate news below unusual situation.
3, last word
Channel control system basically is to undertake channel traffic is controlled, raise channel to serve a level, offer a high quality, gao Ke relies on a gender, create a safety, convenient, quick, efficient traffic and surroundings, its key problem is to solve control network mode and raise supervisory equipment dependability of soft, hardware, in the meantime, industrial aether net controls the dominant position such as the open sex that the domain has, high reliability in industry, industrial aether network uses in the supervisory system of highway tunnel, implementation canal accuses unifinication, control software intelligence is changed, develop those who make channel supervisory system the tendency.
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