CN201780689U - Traffic signal controller - Google Patents
Traffic signal controller Download PDFInfo
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- CN201780689U CN201780689U CN2010201904833U CN201020190483U CN201780689U CN 201780689 U CN201780689 U CN 201780689U CN 2010201904833 U CN2010201904833 U CN 2010201904833U CN 201020190483 U CN201020190483 U CN 201020190483U CN 201780689 U CN201780689 U CN 201780689U
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Abstract
The utility model relates to a traffic signal controller, which comprises a control mainframe, a vehicle flow acquisition module, a signal input/output module, and an IO output module, wherein the control mainframe includes a main-control module and a PDA (Personal Digital Assistant) microprocessor; the vehicle flow acquisition module adopts a general transistor-transistor logic level vehicle flow acquisition module and a serial vehicle flow acquisition module; the signal input/output module includes a power line carrier input/output module and a serial signal input/output module; the main-control module is in two-way connection with the PDA microprocessor, the serial signal input/output module and the power line carrier input/output module; the output terminal of the main-control module is connected with the IO output module; the output terminals of the general transistor-transistor logic level flow acquisition module and the serial vehicle flow acquisition module are respectively connected with the power line carrier input/output module and the serial signal input/output module; and the power line carrier input/output module is connected with a power line. The traffic signal controller has reasonable circuit design, can achieve automatic dispatch of reversible lane signs, supports controlling of a reversible lane, and is convenient to use and operate, etc.
Description
Technical field
The utility model relates to a kind of intelligent transportation control device, the particularly a kind of intelligent coordinated type traffic signal control that can realize the morning and evening tides lane control.
Background technology
Prior art intelligent traffic signal lamp control system signal controller mainly adopts ARM7 and ARM9 series embedded type CPU chip, and arithmetic speed does not catch up with the demand that intersection information is handled; The control of traffic lights group is mainly added the pattern control of communication by cable power transmission control or line of electric force.This quasi-controller control crossing cable waste and laying work amount and difficulty of construction are all bigger; If system extension as need issuing traffic induction information, collection information of vehicle flowrate, then needs to increase in addition the communications cable, the overlapping investment expense increases and performance difficulty; Moreover, because domestic electrical network clutter is serious, also must adopt corresponding technical measures to handle.Urban development at present is very fast, and the old town road can't be widened, and the wagon flow surge, in order to alleviate congestion in road, guarantee traffic safety, a kind of requirement of morning and evening tides control becoming is realized in a certain highway section, be that the morning peak direction of going down town increases the track, the evening peak direction of going out of the city increases the track.This needs the support of signal controller, but does not have this type of signal controller at present, and this scheduler module and algorithm are not set in the Common Controller.
Chinese patent CN1949294A " a kind of traffic lights whistle control system and control method ", a kind of traffic signal control system based on the self-induction control mode is disclosed, form by the belt ground induction coil, wagon detector, master controller, traffic lights, alarm, the computing machine that are installed in the crossroad, belt ground induction coil and wagon detector connect and compose detection system, and the calculating vehicle number, data message sends the master controller that is attached thereto to then; Master controller calculates according to the vehicle number that receives, and determines the cycle of traffic lights figure signal in real time, and control signal is defeated by traffic lights or the alarm that is attached thereto the most at last, realizes controlling in real time according to vehicle flowrate the function of traffic signals; Computing machine is connected with master controller and carries out serial communication, to realize Long-distance Control.This control system and control method have improved the real-time and the adaptability of traffic control, the use serial line interface yet its controller is communicated by letter with the center, do not relate to the power line carrier, PLC method, do not relate to and inducing and the changeable driveway control method, can't be used for the morning and evening tides lane control.CN101320518A " a kind of road junction traffic control method and traffic signal control " discloses a kind of traffic signal control that main control signal and sub-control signal are provided.This traffic signal control makes full use of the road idling-resource when forbidding keeping straight on, and allows to turn when allowing craspedodrome, implements a kind of based on the improved traffic signals dispatching method of left turn lane.Improved intersection vehicle pass-through efficient.But this application is only improved left turn lane, does not relate to changeable driveway control method, the guiding of output induction information, also the main control equipment fault is not carried out substantial disposal, still can not realize morning and evening tides control.
Summary of the invention
Technical problem to be solved in the utility model is, overcomes the defective that prior art exists, and provides a kind of circuit design reasonable, realizes variable lane sign automatic scheduling, supports distinctive morning and evening tides lane control, traffic signal control easy for operation.
The technical scheme in the invention for solving the above technical problem is: this traffic signal control, and its design feature is: comprise main control system, vehicle flowrate acquisition module, signal input/output module and IO output module; Described main control system comprises main control module and PDA microprocessor, the vehicle flowrate acquisition module adopts universal transistor-transistor logic electric flatcar flow collection module and serial vehicle flowrate acquisition module, and the signal input/output module comprises power carrier input/output module and rs 232 serial interface signal input/output module; Described main control module with PDA microprocessor, rs 232 serial interface signal input/output module, the power carrier input/output module is two-way is connected, the main control module output terminal connects the IO output module, the output of universal transistor-transistor logic electric flatcar flow collection module and serial vehicle flowrate acquisition module is connected power carrier input/output module and rs 232 serial interface signal input/output module respectively, and the power carrier input/output module is connected on the line of electric force.
The utility model traffic signal control, described main control module adopts ARM11 embedded processing chip, universal transistor-transistor logic electric flatcar flow collection module adopts Transistor-Transistor Logic level vehicle flowrate acquisition module, serial vehicle flowrate acquisition module adopts RS232/485 vehicle flowrate acquisition module, rs 232 serial interface signal/input/output module adopts the RS232/485 input/output module, the power carrier input/output module adopts Transistor-Transistor Logic level power carrier input/output module, the IO output module is provided with Transistor-Transistor Logic level input interface and Transistor-Transistor Logic level output interface, described ARM11 embedded processing chip is connected with the RS232/485 input/output module is two-way, the output terminal of RS232/485 vehicle flowrate acquisition module connects RS232/485 signal input/output module, and the output terminal of ARM11 embedded processing chip connects Transistor-Transistor Logic level input HC245 interface and Transistor-Transistor Logic level output HC373 interface.
The utility model traffic signal control also comprises power module and peripheral module, and power module is connected with main control module, line of electric force, and peripheral module is connected with main control module; Described power module is provided with isolated transformer device, and this isolated transformer device is installed on the line of electric force; Described peripheral module comprises touch-screen, keyboard, audio-video collection module and shows output control module, the output of described touch-screen, keyboard, audio-video collection module connects ARM11 embedded processing chip, and the output terminal of ARM11 embedded processing chip connects and shows output control module.
The utility model traffic signal control also comprises upper communication module and supplementary module, described upper communication module and two-way connection of ARM11 embedded processing chip, supplementary module with ARM11 embedded processing chip, power module is all two-way is connected.
The utility model traffic signal control, also comprise independently cabinet, described main control system, vehicle flowrate acquisition module, signal input/output module, IO output module and power module all are contained in the cabinet, and touch-screen, keyboard and display screen are contained on the cabinet panel.The standalone chassis structure makes controller performance reliable and stable.
The utility model traffic signal control, described PDA microprocessor adopts the STC90C52 single-chip microcomputer, supplementary module adopts the STC90C51RC chip, upper communication module adopts NIC network output interface, Transistor-Transistor Logic level power carrier input/output module adopts ST7538Q power carrier chip, the Transistor-Transistor Logic level input interface adopts Transistor-Transistor Logic level input HC245 interface, the Transistor-Transistor Logic level output interface adopts Transistor-Transistor Logic level output HC373 interface, isolated transformer device adopts elementary: secondary is 1: 1 isolating transformer, keyboard adopts the KB-25 keyboard, display screen adopts the OLED LCDs, shows that output control module adopts OLED liquid crystal output control module.
The utility model compared with prior art has following beneficial effect: 1, this traffic signal control is rational in infrastructure, adopt ARM11 embedded chip and STC90C52 single-chip microcomputer to constitute main control system, make circuit design succinct, a large amount of cable usage quantities of saving, reduce cable and lay the time, reduce manufacturing cost and use cost.2, adopt Transistor-Transistor Logic level vehicle flowrate acquisition module and two kinds of signal acquisition module of RS232/485 vehicle flowrate acquisition module.The power carrier antijamming capability is strong, realizes simple and direct, the reliable transmission of remote low speed data information; Can realize that the travel direction Warning Mark of changeable driveway electronic direction board dispatches switching automatically, support the control of distinctive morning and evening tides lane control and belisha beacon, adopt this traffic signal control can improve road utilization rate, alleviate congestion in road conscientiously, guarantee traffic safety.3, the power module of supplementary module and band isolated transformer device is set, this controller is possessed meet an urgent need and the Signal Spacing function, guarantee that practicality is reliable, control effectively.4, upper communication module is set, and peripheral modules such as touch-screen, keyboard, audio-video collection module and demonstration output control module, be convenient to the centralized control that this controller is accepted host control device, and make operation directly perceived, simple and direct, convenient.5, adopt the OLED LCDs of high brightness, controller can also normally be used under the high light in the open air.
Description of drawings
Fig. 1 is the utility model traffic signal control example structure block scheme.
Fig. 2 is Fig. 1 embodiment principle of work schematic block diagram.
Fig. 3 is the application example traffic signal control system topological structure synoptic diagram of Fig. 1 embodiment.
Fig. 4 is that the track sign pilot lamp group in application example morning and evening tides track among Fig. 3 is installed distribution schematic diagram.
Embodiment
Below by embodiment, in conjunction with the accompanying drawings the utility model is further elaborated.
Embodiment traffic signal control structure is referring to Fig. 1, and this traffic signal control comprises main control system 1, vehicle flowrate acquisition module 2, signal input/output module 3, IO output module 4, peripheral module 5, supplementary module 6, upper communication module 7 and power module 8.
Main control module 11 with PDA microprocessor 12, rs 232 serial interface signal input/output module, the power carrier input/output module is two-way is connected, main control module 11 output terminals connect IO output module 4, the output of universal transistor-transistor logic electric flatcar flow collection module and serial vehicle flowrate acquisition module is connected power carrier input/output module and rs 232 serial interface signal input/output module respectively, the power carrier input/output module is connected on the line of electric force, power module 8 is connected with main control module 11, line of electric force, peripheral module 5 and main control module 11.Each module of embodiment connects as shown in Figure 1, and ARM11 embedded processing chip and 32 two-way connections of RS232/485 input/output module, the output terminal of RS232/485 vehicle flowrate acquisition module 22 connect RS232/485 signal input/output module 32; The output terminal of ARM11 embedded processing chip connects Transistor-Transistor Logic level input HC245 interface 41 and Transistor-Transistor Logic level output HC373 interface 42; The output of the touch-screen 51 of peripheral module 5, keyboard 52, audio-video collection module 53 connects ARM11 embedded processing chip, and the output terminal of ARM11 embedded processing chip connects and shows output control module 54; Supplementary module 6 with ARM11 embedded processing chip, power module 8 is all two-way is connected, upper communication module 7 and two-way connection of ARM11 embedded processing chip, the isolated transformer device 81 that power module 8 is provided with is installed on the line of electric force.
The embodiment traffic signal control adopts independently casing structure, makes entire controller reliable and stable.Main control system 1, vehicle flowrate acquisition module 2, signal input/output module 3, IO output module 4 and power module 8 all are contained in the cabinet, and touch-screen 51, keyboard 52 and display screen 55 are contained on the cabinet panel.
The embodiment principle of work is referring to Fig. 2, this traffic signal control, ARM11 embedded processing chip processing signals scheduling affairs, input/output signal, gather each track Transistor-Transistor Logic level vehicle flowrate signal and two kinds of vehicle flowrate signals of RS232/485 vehicle flowrate signal by the main control system 1 control vehicle flowrate acquisition module of forming by main control module 11 and PDA microprocessor 12 2, the information of vehicle flowrate of gathering in 5～10 minutes is gathered, and export traffic control signal after 11 computings of input main control module, control traffic signals equipment group.Universal transistor-transistor logic electric flatcar flow collection module is gathered transistor-transistor logic level type vehicle flowrate signal, by IO output module 4 output input transistors-transistor logic level type detection signal and the transistor-transistor logic traffic signals control levels that are connected with main control module 11 output terminals.ST7538Q power carrier chip 31 is modulated to control signal on the low-voltage power transmission line AC 220V, thereby control is controlled by signal lamp, the countdown of carrier module and induces traffic signals equipment group such as board, meanwhile receives from vehicle Flow Detection signal, pedestrian by 31 passbacks of ST7538Q power carrier chip and applies for detection signals such as signal, BRT request signal.Simultaneously, gather serial vehicle flowrate signal, by controlling traffic signals equipment groups with the main control module 11 two-way rs 232 serial interface signal input/output module output serial control signals that are connected by main control system 1 control serial vehicle flowrate acquisition module.
Changeable driveway scheduler module, morning and evening tides track scheduler module and belisha beacon scheduler module are set in main control module 11, and traffic signals equipment group comprises the track sign pilot lamp and the belisha beacon in changeable driveway electronic direction board, morning and evening tides track.The changeable driveway scheduler module is exported the changeable driveway control information automatically according to main control module 11 output informations and is dispatched the changeable driveway electronic direction board automatically; Morning and evening tides track scheduler module is according to the period characteristic of highway section wagon flow, automatically dispatch the track pilot lamp in whole highway section, highway section wagon flow traffic volume is maximized, the unique distinction of this modular algorithm be the morning and evening tides track can with the crossing Collaborative Control, according to crossing wagon flow state, Real-Time Scheduling morning and evening tides track sign, and seamlessly transit in the handoff procedure, there is not traffic hidden danger.Main control module 11 is controlled each lane flow amount information acquisition, is gathered, adds up, and statistical parameter imported changeable driveway scheduler module, morning and evening tides track scheduler module and belisha beacon scheduler module, output crossing changeable driveway control signal after the computing of changeable driveway scheduler module, automatically the travel direction indication of changeable driveway electronic direction board is switched in scheduling, and the travel direction indication of changeable driveway electronic direction board comprises craspedodrome, band left-hand rotation, left-hand rotation and right-hand rotation pilot lamp are turned right, kept straight on to the band of keeping straight on.Which track changeable driveway control is at the changeable driveway place with this track of Digital ID in advance, the changeable driveway electronic direction board switches according to the vehicle flowrate data statistics situation that each lane flow amount acquisition module is gathered, if the right-hand rotation vehicle queue is long, wagon flow is obviously greater than left-hand rotation, craspedodrome wagon flow, then the Through Lane direction board is switched to right-hand rotation, to switch to the band of keeping straight near the left turn lane direction board of former Through Lane and turn right, other situation by that analogy.Output highway section morning and evening tides lane control signal after morning and evening tides track scheduler module is according to the period characteristic computing of highway section wagon flow, Real-Time Scheduling, take over seamlessly the left-hand rotation in morning and evening tides track, keep straight on, the band of keeping straight on turns left, the band of keeping straight on is turned right, tune, forbidden track sign pilot lamp and driveway travel directions: with east-west direction five tracks, forward east orientation west, three tracks wherein, reverse west, two tracks is eastwards an example, portal frame is set above the track morning and evening tides track sign pilot lamp is installed, according to road section length the portal frame number is set, each porch, track, each highway section is installed the vehicle detection coil of vehicle flowrate acquisition module and is gathered, statistical vehicle flowrate, if the forward wagon flow is still excessive, consider to increase again a forward track, reduce by a reverse track simultaneously, otherwise, then reduce by a forward track, increase a reverse track; If have an accident or need closure construction then but remote scheduling is converted to all forbidden envelope road state of both forward and reverse directions with the track, use forbidden indication.Output belisha beacon control signal after the computing of pathway message signal lamp scheduler module, control comprises the belisha beacon of signal lamp and count-down device.Main control module 11 is by Transistor-Transistor Logic level vehicle flowrate acquisition module 21 and RS232/485 vehicle flowrate acquisition module 22, and the vehicle flowrate in Transistor-Transistor Logic level input HC245 interface 41 and RS232/485 input/output module 32 each tracks of collection, average speed, track space hold rate, track time occupancy parameter is by Transistor-Transistor Logic level output HC373 interface 42 and RS232/485 input/output module 32 output changeable driveway scheduler modules, the crossing changeable driveway control signal of morning and evening tides track scheduler module and belisha beacon scheduler module, highway section morning and evening tides lane control signal and belisha beacon control signal.Carry out control signal and data signal transmission by upper communication module 7 with upper command centre during traffic signal control work, accept the centralized control of upper command centre.
When main control module 11 breaks down, supplementary module 6 is not received the control signal that main control module 11 sends in 3.5s, supplementary module 6 changes predefined single-point two phase place control model automatically over to, it is the crossing current and current clearance of North and South direction of east-west direction in two steps, or specific simple control model, the drive controlling traffic lights; If single-chip microcomputer breaks down and can't move on the supplementary module 6, then the Huang Shanqi on the supplementary module 6/track indication acquiescence control device enters duty immediately, belisha beacon is controlled to be Huang Shanqi and enters yellow sudden strain of a muscle state or light-off state, changeable driveway control enters default mode, and the track sign pilot lamp in the morning and evening tides track of morning and evening tides lane control enters red sudden strain of a muscle state automatically.The isolating transformer 81 that is provided with in traffic signal control stops the mutual interference mutually of external electrical network and traffic signal control, the normal operation of assurance traffic signal control and external power grid miscellaneous equipment.
Application example: should use the road traffic delay complexity of example intelligent traffic signal control system control, wagon flow is tangible tidal phenomena, implements the morning and evening tides lane control.Fig. 3 is this application example control system topology diagram, this control system relates to morning and evening tides track, five tracks, whole highway section signal controlling, also comprise five intersection signal controlling, 11 portal frame morning and evening tides track signal controlling equipment are installed by system, 11 main control systems are set carry out traffic signals control.As shown in Figure 3, be subjected to the control of upper control center main control system I, II ... with XI respectively corresponding be connected separately PDA microprocessor I, II ... and XI, control each self-corresponding morning and evening tides track I, II ... and XI, carrier equipment group I, II ... and XI, and photoelectric commutator I, II ... and XI, photoelectric commutator is selected the RJ-45 interface for use, is used to transfer to fibre-optic interface device.
Fig. 4 should install distribution schematic diagram with the track sign pilot lamp group in example morning and evening tides track, this highway section, morning and evening tides track is divided into five tracks, the monitoring point all is provided with main control system on each highway section, and the vehicle flowrate acquisition module is installed, the vehicle flowrate acquisition module be included in carrier equipment group I, II ... in XI.The track in the one～track, track, morning and evening tides track five of morning and evening tides track scheduling controlling sign pilot lamp group be installed in respectively 11 portal frame I, II ... on XI, 5 groups of pilot lamp are installed on each portal frame, amount to 55 groups of pilot lamp are installed.Arrow shown in Figure 4 represents which kind of current direction this track is in, for example " → " arrow is represented direction from West to East, " ← " arrow represent from the east orientation west to, " ↑ " arrow is represented direction left turn lane from West to East, " ↓ " arrow track of representing to turn left from the east orientation west, no through traffic for red " * " signal indication, if east-west direction all is redness " * " then represents this track Feng Dao that promptly two-way all no through traffic.The flow information real time coordination control that indication of morning and evening tides track and crossing signal dispatching are all gathered according to the vehicle flowrate acquisition module.
The utility model adopts the powerful embedded chip ARM11 of high performance arithmetic capability as CPU, Transistor-Transistor Logic level vehicle flowrate acquisition module is set, be power carrier vehicle flowrate acquisition module, keep other checkout equipment input interface simultaneously, thereby it is convenient flexibly to guarantee that traffic signal control uses.Rely on the processing power of ARM11 in the coordination of data acquisition and control signal transmission, to introduce the token communication mechanism, self-adaptation Coordination module based on the crossing is set on software, automatically scheduling changeable driveway signal output module is exported crossing, track indication information, support the indication control of morning and evening tides track and the induction information output of morning and evening tides traffic, the traffic flow of making rational planning for.Support advanced OLED display technique Liquid Crystal Module, under high light, also can accessiblely operate; Adopt isolating transformer to filter the electrical network clutter at the power module input end, utilize PLC technology to increase carrier modulation/demodulator circuit and carrier wave output interface then, gather all kinds of useful signal data thereby reach, realize that effective carrier-wave transmission control and data signal the purpose of opertaing device.The utility model traffic signal control uses through the client, and reflection is good, and control stabilization, effect are remarkable, receive praises from customers.
Above content described in this instructions only is to the explanation of the utility model traffic signal control structure example.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount the defined scope of these claims, all should belong to protection domain of the present utility model.
Claims (6)
1. a traffic signal control is characterized in that: comprise main control system, vehicle flowrate acquisition module, signal input/output module and IO output module; Described main control system comprises main control module and PDA microprocessor, the vehicle flowrate acquisition module adopts universal transistor-transistor logic electric flatcar flow collection module and serial vehicle flowrate acquisition module, and the signal input/output module comprises power carrier input/output module and rs 232 serial interface signal input/output module; Described main control module with PDA microprocessor, rs 232 serial interface signal input/output module, the power carrier input/output module is two-way is connected, the main control module output terminal connects the IO output module, the output of universal transistor-transistor logic electric flatcar flow collection module and serial vehicle flowrate acquisition module is connected power carrier input/output module and rs 232 serial interface signal input/output module respectively, and the power carrier input/output module is connected on the line of electric force.
2. traffic signal control according to claim 1, it is characterized in that: described main control module adopts ARM11 embedded processing chip, universal transistor-transistor logic electric flatcar flow collection module adopts Transistor-Transistor Logic level vehicle flowrate acquisition module, serial vehicle flowrate acquisition module adopts RS232/485 vehicle flowrate acquisition module, rs 232 serial interface signal/input/output module adopts the RS232/485 input/output module, the power carrier input/output module adopts Transistor-Transistor Logic level power carrier input/output module, the IO output module is provided with Transistor-Transistor Logic level input interface and Transistor-Transistor Logic level output interface, described ARM11 embedded processing chip is connected with the RS232/485 input/output module is two-way, the output terminal of RS232/485 vehicle flowrate acquisition module connects RS232/485 signal input/output module, and the output terminal of ARM11 embedded processing chip connects Transistor-Transistor Logic level input HC245 interface and Transistor-Transistor Logic level output HC373 interface.
3. traffic signal control according to claim 2 is characterized in that: also comprise power module and peripheral module, power module is connected with main control module, line of electric force, and peripheral module is connected with main control module; Described power module is provided with isolated transformer device, and this isolated transformer device is installed on the line of electric force; Described peripheral module comprises touch-screen, keyboard, audio-video collection module and shows output control module, the output of described touch-screen, keyboard, audio-video collection module connects ARM11 embedded processing chip, and the output terminal of ARM11 embedded processing chip connects and shows output control module.
4. traffic signal control according to claim 3, it is characterized in that: also comprise upper communication module and supplementary module, described upper communication module and two-way connection of ARM11 embedded processing chip, supplementary module with ARM11 embedded processing chip, power module is all two-way is connected.
5. traffic signal control according to claim 3, it is characterized in that: also comprise independently cabinet, described main control system, vehicle flowrate acquisition module, signal input/output module, IO output module and power module all are contained in the cabinet, and touch-screen, keyboard and display screen are contained on the cabinet panel.
6. traffic signal control according to claim 5, it is characterized in that: described PDA microprocessor adopts the STC90C52 single-chip microcomputer, supplementary module adopts the STC90C51RC chip, upper communication module adopts NIC network output interface, Transistor-Transistor Logic level power carrier input/output module adopts ST7538Q power carrier chip, the Transistor-Transistor Logic level input interface adopts Transistor-Transistor Logic level input HC245 interface, the Transistor-Transistor Logic level output interface adopts Transistor-Transistor Logic level output HC373 interface, isolated transformer device adopts elementary: secondary is 1: 1 isolating transformer, keyboard adopts the KB-25 keyboard, display screen adopts the OLED LCDs, shows that output control module adopts OLED liquid crystal output control module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201904833U CN201780689U (en) | 2010-05-13 | 2010-05-13 | Traffic signal controller |
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| CN2010201904833U CN201780689U (en) | 2010-05-13 | 2010-05-13 | Traffic signal controller |
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| CN201780689U true CN201780689U (en) | 2011-03-30 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103790118A (en) * | 2014-02-20 | 2014-05-14 | 王昊 | Variable lane system suitable for bridge |
| CN104094329A (en) * | 2012-02-14 | 2014-10-08 | 住友电气工业株式会社 | Traffic signal controller |
| CN106948230A (en) * | 2017-04-19 | 2017-07-14 | 青海大学 | Shared lane controlling system and method |
| CN107219846A (en) * | 2016-03-21 | 2017-09-29 | 中国移动通信集团广东有限公司 | Control method, road commander and staging device, the vehicle termination of track direction |
| CN110675641A (en) * | 2019-09-26 | 2020-01-10 | 公安部交通管理科学研究所 | Vehicle networking road traffic signal control system based on LTE-V2X |
-
2010
- 2010-05-13 CN CN2010201904833U patent/CN201780689U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104094329A (en) * | 2012-02-14 | 2014-10-08 | 住友电气工业株式会社 | Traffic signal controller |
| CN103790118A (en) * | 2014-02-20 | 2014-05-14 | 王昊 | Variable lane system suitable for bridge |
| CN107219846A (en) * | 2016-03-21 | 2017-09-29 | 中国移动通信集团广东有限公司 | Control method, road commander and staging device, the vehicle termination of track direction |
| CN106948230A (en) * | 2017-04-19 | 2017-07-14 | 青海大学 | Shared lane controlling system and method |
| CN110675641A (en) * | 2019-09-26 | 2020-01-10 | 公安部交通管理科学研究所 | Vehicle networking road traffic signal control system based on LTE-V2X |
| CN110675641B (en) * | 2019-09-26 | 2022-02-18 | 公安部交通管理科学研究所 | Vehicle networking road traffic signal control system based on LTE-V2X |
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Granted publication date: 20110330 Termination date: 20170513 |