CN105469614A - Method, device and system for traffic signal control - Google Patents
Method, device and system for traffic signal control Download PDFInfo
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- CN105469614A CN105469614A CN201510989311.XA CN201510989311A CN105469614A CN 105469614 A CN105469614 A CN 105469614A CN 201510989311 A CN201510989311 A CN 201510989311A CN 105469614 A CN105469614 A CN 105469614A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
Abstract
The invention relates to the field of intelligent traffic and discloses a method, device and system for traffic signal control, wherein instructions and signal control data are sent to a controller through electric power carrier transmission; state data sent from a subordinate control device through the electric power carrier transmission is received; the state data comprises count-down information and traffic lamp display information; the state data is analyzed and calculated to obtain optimized set data in each signal period; and through electric power carrier communications, the signal period set data is sent to the subordinate control device in a communication message format, and then control data is sent. The method, device and system for the traffic signal control disclosed by the invention carry out intelligent traffic signal lamp control based on the electric power carrier data transmission to implement networking and communications among traffic signal lamps, and have the advantages of low cost and a wide application scope.
Description
Technical field
The present invention relates to intelligent transportation field, particularly relate to a kind of traffic signal control method, Apparatus and system.
Background technology
At present, traffic signals countdown control system is widely used in intelligent traffic signal lamp control system, its effect main display Current traffic red, yellow, and green signal excess time.Existing count-down device working method has communication and self study mode two kinds.Communication modes count-down device carries out data communication by proprietary data communication interface and road traffic signal controller, and learning type count-down device is detected voluntarily and memory signal phase time by count-down device, and automatically can adjust the count-down device of phase cycling display.
But, count-down board in existing road intersection, except a few devices adopts communication interface mode, the principle of work of major part count-down board is run with mode of learning substantially, that is the data that the time that count-down board is each shown is displaying time by detecting last signal lamp and obtains, therefore, then there are some differences in the time showing of teleseme and signal lamp and count-down board.Connect the method for carrying out data communication by cable and then need ad hoc communication cable, and need the safeguard procedures such as shielding and signal isolation, application cost is high.Otherwise error rates of data is high, influential system accuracy.
Summary of the invention
The invention provides a kind of traffic signal control method, Apparatus and system, solve in existing signal system technology, traffic signal counter-down time-recorder communication modes needs ad hoc communication cable, and needs to do the safeguard procedures such as shielding and signal isolation, the technical matters that application cost is high.
The object of the invention is to be achieved through the following technical solutions:
A kind of traffic signal control method, comprising:
Master controller sends instruction and signal control data by electric force carrier transmission to from controller, receives the status data come since controller through electric force carrier transmission, and described status data comprises count down information, traffic lights display information;
Status data described in described master controller analytical calculation, to obtain signal period setting data;
Described signal period setting data, by power carrier, sends to described from controller by described master controller with communication packet form.
A kind of traffic signal control method, comprising:
From controller by power carrier to master controller status data, described status data comprise count down information, traffic lights display information;
Describedly receive through the data message from described master controller of electric force carrier transmission from controller;
Describedly from controller, decoding is carried out to described data message, to obtain signal period setting data;
Describedly carry out traffic control from controller according to described signal period setting data.
A kind of traffic signals main control unit, comprising:
First receiver module, for sending instruction and signal control data by electric force carrier transmission to from controller, receives the status data come since controller through electric force carrier transmission, and described status data comprises count down information, traffic lights display information;
Analysis module, for status data described in analytical calculation, to obtain signal period setting data;
First sending module, for by power carrier, sends to described from controller by described signal period setting data with communication packet form.
A kind of traffic signals, from control device, is characterized in that, comprising:
Second sending module, for by power carrier to master controller status data, described status data comprise count down information, traffic lights display information;
3rd receiver module, for receiving the data message from described master controller through electric force carrier transmission;
Decoding module, for carrying out decoding to described data message, to obtain signal period setting data
Execution module, for carrying out traffic control according to described signal period setting data.
A kind of traffic signal control system, comprising:
Main control unit, for sending instruction and signal control data by electric force carrier transmission to from controller, receive the status data come since controller through electric force carrier transmission, described status data comprises each signal period count down information, traffic lights display information and each working from controller; Status data described in analytical calculation, to obtain each signal period setting data after optimization; By power carrier, described signal period setting data is sent to described from controller with communication packet form;
From control device, for by power carrier to master controller status data; Receive the data message from described master controller through electric force carrier transmission; From controller, decoding is carried out to described data message, to obtain signal period setting data; Traffic control is carried out according to described signal period setting data.
The invention provides a kind of traffic signal control method, Apparatus and system, by sending instruction and signal control data by electric force carrier transmission to from controller, receive the status data come since controller through electric force carrier transmission, described status data comprises count down information, traffic lights display information; Status data described in analytical calculation, to obtain signal period setting data; By power carrier, described signal period setting data is sent to described from controller with communication packet form.The present invention is based on the intelligent traffic Signalized control of electric force carrier transmission, the networking achieving traffic lights with communicate, cost is low, applied range.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, also can obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the application scenarios schematic diagram of the embodiment of the present invention;
Fig. 2 is the process flow diagram of a kind of traffic signal control method of the embodiment of the present invention;
Fig. 3 is the process flow diagram of the another kind of traffic signal control method of the embodiment of the present invention;
Fig. 4 is the message structure figure of the data message of the embodiment of the present invention;
Fig. 5 is the structural representation of a kind of traffic signals main control unit of the embodiment of the present invention;
Fig. 6 is the structural representation of a kind of traffic signals from control device of the embodiment of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
As described in Figure 1, for the application scenarios schematic diagram of the embodiment of the present invention, comprise master controller 110, from controller 120, carrier communication module 130, network communication module 140, remote command center 150, adjacent system 160, a master controller 110 can control multiple from controller 120, can comprise Signalized control unit, count-down board control module, crossing, road all directions I/O control module, electronic license plate control module, video acquisition control unit, microwave detection control unit from control 120.
Master controller 110, for sending instruction and data transmission, as the signal controller in system, also can control multiple signal lamp and count-down board display simultaneously;
Carrier communication module 130, the communication coding/decoding module on modulation /demodulation line of electric force.Carrier communication module inside is made up of data carrier module and communication module two parts, data carrier module is loaded on line of electric force by after communication data modulation /demodulation, communication module is the level signal of the communication signal level conversion of signal controller input and output being mated for carrier module, realizes the control of whistle control system to intersection signal lamp and signal count-down board;
From controller 120, for control signal lamp, count-down board.
Signal lamp forms the signal lamp of different traffic implication by red, green, yellow three kinds of colors, by setting the cycle duration of each colored lights, reach the time controlling pedestrian and vehicle pass-through, it is arranged on crossroad and the crossing intersection part of road, effectively can improve the management of road traffic, play the probability reducing traffic hazard and occur, the kind of traffic lights has multiple according to different use, and wherein road traffic mainly has vehicle clearing lamp, bicycle lane signal lamp and pedestrian crosswalk signal lamp etc.
Count-down board utilizes eye-catching display device, to the traffic participant prompting Current traffic signal period remaining time.Routine has the mode such as data, progressive bar.Display unit is made up of LED component, accurately can show the display device of respective quadrature ventilating signal lamp light color and excess time in the mode of countdown per second.
Remote command center 150 is as city or a regional traffic control maincenter, and adjacent system 160 is the homogeneous system of adjacent area.
The application scenarios of composition graphs 1, in conjunction with master controller 110, introduce a kind of traffic signal control method of the embodiment of the present invention in detail, as shown in Figure 2, comprising:
Step 201, send instruction and signal control data by electric force carrier transmission to from controller, receive the status data come since controller through electric force carrier transmission;
Wherein, described status data comprises count down information, traffic lights display information respectively from working (vehicle flow, shape, state etc. that intersection all directions I/O control module gathers of controller, the vehicle electric information that electronic license plate control module gathers, video acquisition unit and the information such as the vehicle appearance detected by microwave detection control unit and Vehicle Speed).The collection of these information, will be conducive to master controller 110 and make in real time the scheme of the intersection signal control cycle of optimization, for the magnitude of traffic flow adjusting single intersection or Multiple Intersections in time does foundation.
Status data described in step 202, analytical calculation, to obtain each signal period setting data after optimization;
Step 203, by power carrier, described signal period setting data is sent to described from controller with communication packet form.
This method can also comprise: receive remote command center by network communication module or carry out exchanges data with adjacent control system; Analyze described control data, to obtain signal period setting data.
Step 203 can also comprise:
Receive through electric force carrier transmission from the described monitor data from controller, described monitor data comprises voltage, electric current and temperature;
By described network communication module, described monitor data is sent to described remote command center, with the running status enabling described remote command center obtain field apparatus.
The invention provides a kind of traffic signal control method, instruction and signal control data is sent to from controller by electric force carrier transmission, receive the status data come since control device through electric force carrier transmission, described status data comprises count down information, traffic lights display information; Status data described in analytical calculation, to obtain each signal period setting data after optimization; By power carrier, described signal period setting data is sent to described from control device transmission control data with communication packet form.The present invention is based on the intelligent traffic Signalized control of electric force carrier transmission, the networking achieving traffic lights with communicate, cost is low, applied range.In addition, in the embodiment of the present invention, master controller carries out exchanges data by network communication module and remote traffic command centre or adjacent signals system, carries out the coordination signal period control to reach the signal system at intersecting roads crossing or crossing, region more than.
In prior art, on system, very flexible, high, the external cable of cost grow again the disadvantages such as many, bring inconvenience for application and field conduct.The embodiment of the present invention can demand combinations arbitrarily for each functional module, and mutual combination only needs power lead in same phase place as the medium of exchanges data.The collection exchange of data and unit export and control directly to send effective order by cable by master controller 110 to from controller 120 completely.
For from controller 120, the embodiment of the present invention additionally provides a kind of traffic signal control method, as shown in Figure 3, comprising:
Step 301, by power carrier to master controller status data;
Wherein, described status data comprises count down information, traffic lights display information and each working from controller;
Step 302, receive through electric force carrier transmission from described master controller data message;
Step 303, decoding is carried out to described data message, to obtain signal period setting data;
Step 304, carry out traffic control according to described signal period setting data.
The invention provides a kind of traffic signal control method, by power carrier to master controller status data, described status data comprises count down information, traffic lights display information; Receive the data message from described master controller through electric force carrier transmission; From controller, decoding is carried out to described data message, to obtain signal period setting data; Traffic control is carried out according to described signal period setting data.Achieve master controller 110 with from the networking of controller 120 and interlock, improve the accuracy of count down information, traffic lights display information.
In order to make master controller 110 can grasp running status from controller 120 better, be convenient to each unit module in timely maintenance system integral device, this method can also comprise:
By Sensor monitoring voltage, electric current and temperature, and send monitor data to described master controller.
Power carrier communication module can be utilized to have the characteristic of both-way communication from controller 120 in the embodiment of the present invention, in real time the running status of equipment is reported master controller 110 from controller 120, by network communication module 140, system running state information is sent to remote command center 150 by master controller 110 again, make remote command center 150 intuitively can understand the running status of field apparatus.
Control data in the embodiment of the present invention, can be transmitted by data message, and message structure is as shown in Figure 4, as follows:
Message is made up of 10 byte (every byte 8 scale-of-two) data, and its each byte is defined as follows:
1st, 2 bytes are sexadecimal 0xaa, 0xab heading mark;
3rd byte is master controller address, and routine is set as 1;
4th byte is from controller address, and setting range is 0 to 255;
5th byte is red light displaying time, and setting range is 0 to 255;
6th byte is amber light displaying time, and setting range is 0 to 255;
7th byte is green light displaying time, and setting range is 0 to 255;
8th byte be the 3 to the 7 byte CRC check and;
9th, 10 bytes are sexadecimal 0xee, 0xef message trailer mark.
The embodiment of the present invention additionally provides a kind of traffic signals main control unit, as shown in Figure 5, comprising:
First receiver module 510, for sending instruction and signal control data by electric force carrier transmission to from controller, receive the status data come since controller through electric force carrier transmission, described status data comprises count down information, traffic lights display information and each working from controller;
Analysis module 520, for status data described in analytical calculation, to obtain each signal period setting data after optimization;
First sending module 530, for by power carrier, sends to described from controller by described signal period setting data with communication packet form.
Wherein, the second receiver module 540 can also be comprised, for receiving the instruction of remote command center by network communication module or carrying out exchanges data with adjacent control system;
Described analysis module 520 also for analyzing described control data, to obtain each signal period setting data.
Described first receiver module 510 also for receive through electric force carrier transmission from the described monitor data from controller, described monitor data comprises voltage, electric current and temperature;
Described first sending module 530, also for described monitor data being sent to described remote command center by described network communication module, with the running status enabling described remote command center obtain field apparatus
The embodiment of the present invention additionally provides a kind of traffic signals from control device, as shown in Figure 6, comprising:
Second sending module 610, for by power carrier to master controller status data, described status data comprise count down information, traffic lights display information;
3rd receiver module 620, for receiving the data message from described master controller through electric force carrier transmission;
Decoding module 630, for carrying out decoding to described data message, to obtain signal period setting data;
Execution module 640, for carrying out traffic control according to described signal period setting data.
In order to realize real-time monitoring, can also comprising: monitoring module 650, for passing through Sensor monitoring voltage, electric current and temperature, and sending monitor data by the second sending module 610 to described master controller.
The embodiment of the present invention additionally provides a kind of traffic signal control system, comprising:
Main control unit, for receiving the status data come since controller through electric force carrier transmission, described status data comprises each signal period count down information, traffic lights display information and each working from controller; Status data described in analytical calculation, to obtain each signal period setting data after optimization; By power carrier, described signal period setting data is sent to described from controller with communication packet form;
From control device, for by power carrier to master controller status data; Receive the data message from described master controller through electric force carrier transmission; From controller, decoding is carried out to described data message, to obtain signal period setting data; Traffic control is carried out according to described signal period setting data.
Above to invention has been detailed introduction, applying specific case herein and setting forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a traffic signal control method, is characterized in that, comprising:
Master controller sends instruction and signal control data to described from controller by electric force carrier transmission, receive the status data come since controller through electric force carrier transmission, described status data comprises each signal period count down information, traffic lights display information and each working from controller;
Status data described in described master controller analytical calculation, to obtain each signal period setting data after optimization;
Described signal period setting data, by power carrier, sends to described from controller by described master controller with communication packet form.
2. traffic signal control method according to claim 1, is characterized in that, also comprises:
Described master controller receives the instruction of remote command center by network communication module or carries out exchanges data with adjacent described control system;
Described control data analyzed by described master controller, to obtain each signal period setting data.
3. traffic signal control method according to claim 1, is characterized in that, also comprises:
Described master controller receive through electric force carrier transmission from the described monitor data from controller, described monitor data comprises voltage, electric current and temperature;
Described monitor data is sent to described remote command center by described network communication module by described master controller, with the real-time running state enabling described remote command center obtain field apparatus.
4. a traffic signal control method, is characterized in that, comprising:
From controller by power carrier to master controller status data, described status data comprises each signal period count down information, traffic lights display information and respectively from the working of controller;
Describedly receive through the data message from described master controller of electric force carrier transmission from controller;
Describedly from controller, decoding is carried out to described data message, to obtain signal period setting data;
Describedly carry out traffic control from controller according to described signal period setting data.
5. traffic signal control method according to claim 1, is characterized in that, also comprises:
Described from controller by Sensor monitoring voltage, electric current and temperature, and send monitor data to described master controller.
6. a traffic signals main control unit, is characterized in that, comprising:
First receiver module, for sending instruction and signal control data by electric force carrier transmission to from controller, receive the status data come since controller through electric force carrier transmission, described status data comprises each signal period count down information, traffic lights display information and each working from controller;
Analysis module, for status data described in analytical calculation, to obtain each signal period setting data after optimization;
First sending module, for by power carrier, sends to described from controller by described signal period setting data with communication packet form.
7. traffic signals main control unit according to claim 1, is characterized in that, also comprise:
Second receiver module, for receiving the instruction of remote command center by network communication module or carrying out exchanges data with adjacent control system;
Described analysis module also for analyzing described control data, to obtain each signal period setting data.
8. traffic signals main control unit according to claim 1, is characterized in that, described first receiver module also for receive through electric force carrier transmission from the described monitor data from controller, described monitor data comprises voltage, electric current and temperature;
Described first sending module, also for described monitor data being sent to described remote command center by described network communication module, with the real-time running state enabling described remote command center obtain field apparatus.
9. traffic signals are from a control device, it is characterized in that, comprising:
Second sending module, for by power carrier to master controller status data, described status data comprise count down information, traffic lights display information;
3rd receiver module, for receiving the data message from described master controller through electric force carrier transmission;
Decoding module, for carrying out decoding to described data message, to obtain signal period setting data;
Execution module, for carrying out traffic control according to described signal period setting data.
10. a traffic signal control system, is characterized in that, comprising:
Main control unit, for sending instruction and signal control data by electric force carrier transmission to from controller, receive the status data come since controller through electric force carrier transmission, described status data comprises each signal period count down information, traffic lights display information and each working from controller; Status data described in analytical calculation, to obtain each signal period setting data after optimization; By power carrier, described signal period setting data is sent to described from controller with communication packet form;
From control device, for by power carrier to master controller status data; Receive the data message from described master controller through electric force carrier transmission; From controller, decoding is carried out to described data message, to obtain signal period setting data; Traffic control is carried out according to described signal period setting data.
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| CN201510989311.XA CN105469614A (en) | 2015-12-24 | 2015-12-24 | Method, device and system for traffic signal control |
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| CN201510989311.XA CN105469614A (en) | 2015-12-24 | 2015-12-24 | Method, device and system for traffic signal control |
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Cited By (6)
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| CN108394358A (en) * | 2018-04-28 | 2018-08-14 | 北京新能源汽车股份有限公司 | A kind of display methods, device and the electric vehicle of electric vehicle course continuation mileage |
| CN109147357A (en) * | 2018-10-24 | 2019-01-04 | 深圳市交通科学技术研究所 | A kind of master-slave mode sectional management intelligent transportation lamp management system |
| CN110491145A (en) * | 2018-10-29 | 2019-11-22 | 魏天舒 | A kind of traffic signal optimization control method and device |
| CN110910660A (en) * | 2019-11-13 | 2020-03-24 | 苏州中亿通智能系统有限公司 | Road traffic signal controller |
| CN112185111A (en) * | 2020-09-21 | 2021-01-05 | 成都三维大川新材料科技有限公司 | Urban traffic intelligent management and control system and method based on power line carrier |
| CN113888887A (en) * | 2021-11-10 | 2022-01-04 | 连云港金浦电子科技有限公司 | Road network traffic signal control system and method |
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Application publication date: 20160406 |