CN103578269A - Intelligent speed prompting system and method enabling vehicle to cater to green light timing sequence - Google Patents
Intelligent speed prompting system and method enabling vehicle to cater to green light timing sequence Download PDFInfo
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Abstract
The invention relates to an intelligent speed prompting system and method enabling a vehicle to cater to a green light timing sequence and belongs to the technical field of traffic. The intelligent speed prompting system and method enabling the vehicle to cater to the green light timing sequence comprises a timing sequence real-time monitoring device, a road surface humidity real-time monitoring device, an air visibility real-time monitoring device and a speed calculating and displaying device, wherein the timing sequence real-time monitoring device is composed of a timing sequence detection collector, a timing sequence detection processor and a timing sequence transmitting module. According to the intelligent speed prompting system and method enabling the vehicle to cater to the green light timing sequence, a speed calculation processor calculates the real-time speed of each lane according to parameters provided by a timing sequence receiving module, the road surface humidity real-time monitoring device and the air visibility real-time monitoring device, and the real-time speed of each lane is displayed on a displayer; drives are informed of the speed of each line through the speed displayer, and then the vehicle can cater to green lights. According to the intelligent speed prompting system and method enabling the vehicle to cater to the green light timing sequence, light running or sudden braking at an intersection is avoided, time waste caused by waiting of a red light is avoided, acceleration retardation after the red light is prevented, risk generated when two vehicles meet with each other is reduced, vehicle abrasion is reduced, the number of generated fine particles is reduced, the utilization rate of a road surface is improved, and fuel gas is saved.
Description
Technical field
The present invention relates to a kind of intelligent speed per hour prompt system and method for catering to green light sequential, belong to traffic technique field.
Technical background
Nineteen sixty-eight, the United Nations's < < road traffic and roadsigns agreement > > have made regulation to the implication of various signal lamps: green light is right of way signal, red light is forbidden signal, amber light is caution signal, in the face of the vehicle of amber light can not be crossed stop line, but vehicle extremely approaches stop line and can not during emergency, can enter intersection.The appearance of signal lamp, makes traffic be able to effective control, and for the flow that relieves traffic congestion, raising road passage capability, reducing traffic hazard has positive effect.At present, this regulation is general in the whole world.
While crossing traffic lights sequential crossing, whether the stagnation of movement while meeting amber light to be, and by time speed per hour, the comprehensive judgement that to be person for driving a car make according to oneself psychological condition and road surface situation, often has and accelerates to rob lamp, the situation of the wait of bringing to a halt.< < urban transportation Regulation G reatT.GreaT.GT > in 2012 regulation " when the 29 motor vehicle is by intersection; should lower speed in the place of 30 to 50 meters ", " while the 39 running into the dense place of bustling intersection or pedestrian; five kilometers of the inaccurate more than tens of speed per hour ", although improved security, but, but restricted the traffic capacity.
Along with the increase of automobile pollution, low driving age driver emerges in multitude, and makes law enfrocement official tighten up law enforcement yardstick.In September, 2012, the 12 Ministry of Public Security made No. 123 < < motor vehicle driving license apply and use regulation > > to point out, rushing amber light belongs to equally not according to traffic lights and indicates current illegal activities, this behavior will be penalized button 6 minutes in accordance with the law, also stipulate simultaneously, surpass regulation speed per hour 50% button 12 minutes.However severe, still have the situations such as the critical error in judgement of driver, vehicle be malfunctioning near at the parting of the ways, make the phenomenon ubiquities such as break in traffic rules and regulations, vehicle congestion, even traffic hazard occurs repeatedly.
In the process of red lights such as bringing to a halt, can cause vehicle tyre and brake wearing and tearing, and derivative pollution.According to the 6006th phase of Chinese environmental report the 4th edition < < London, from mist, all quietly sailing > > mono-literary composition points out: " 2008; in the PM10 that London road traffic causes, tire and brake wearing and tearing account for 35% ".In addition, under the motionless state of vehicle idling, fuel for motor vehicle, in rough burning state, is discharged a large amount of particulates, and these particulates are mainly the soot that generates of non-complete combustion of fuel and oily particulate etc.Soot particle diameter 0.1～10um, porous, has activity, can adsorb objectionable impurities and enter human body.In soot, also often contain the aromatic hydrocarbon of strong carcinogen, as benzopyrene etc.The extensive application of motor vehicle, has brought immense pressure to environment.Now, vehicle population increases, the data of announcing according to each large size city of China, the pollution that motor-vehicle tail-gas causes accounts for the more than 30% of whole urban atmospheric pollution, Gao Shikeda 90%, busy national highway is along the line pollute also very heavy, particularly intersection, blocks up and adds heavily contaminated symbiosis.
According to the observation to 100 traffic lights sequential crossings, show, wait the probability of red light all more than 40%, and further improve along with the increase of vehicle flowrate.Like this, the transport condition of vehicle frequently changes, or in the red light process such as bring to a halt, or under the motionless state of vehicle idling, derives: the first, hiding security risk, traffic hazard occurs repeatedly.The second, commuting time is long, brings time waste; Three, car is as you were, and engine is but at oil firing, and the mechanical work that burning produces is all used in the friction of inner zero portion and has consumed; Four, insufficient, the tire of oil inflame and brake wearing and tearing, fine particle concentration is high.Some, almost become social persistent ailment above.
Now, technology of Internet of things has had very large application at intelligent transportation field, wireless intelligent traffic control system and the method for number of patent application 201210344936.7, adopt controlled in wireless mode, can make traffic signals change along with the magnitude of traffic flow, carry out real-time adaptive control, make each road signal controlling reach optimum condition.The ITS Information prompt system of number of patent application 201210037765.3, can point out in advance the traffic conditions in section, driver the place ahead, when improving automobile by traffic lights efficiency, the situations such as road conditions or traffic control that also can happen suddenly to the place ahead are carried out specific aim prompting.But, above-mentioned two kinds of inventions, the phenomenon of the red lights such as still existence, and probability is all more than 40%.
Summary of the invention
Patent of the present invention is the problem for existing traffic technique and method existence, a kind of intelligent speed per hour prompt system and method for catering to green light sequential proposed, away from traffic signal device sail on track, by speed per hour display, inform the speed per hour in each track, make vehicle remove to cater to green light, avoid waiting red light, when by traffic lights sequential intersection, need not stop, and at the uniform velocity pass through the time and space distance of vehicle in stagger direction and each track in length and breadth.
A kind of intelligent speed per hour prompt system that caters to green light sequential of the present invention is by the following technical solutions: comprise sequential real-time monitoring device, pavement humidity real-time monitoring device, air visibility real-time monitoring device, speed per hour operation display device four parts, described sequential real-time monitoring device detects collector, sequential measurement processor, sequential transmitter module by sequential and forms; Speed per hour operation display device is comprised of sequential receiver module, speed per hour arithmetic processor, data driver module, speed per hour display.
Described sequential real-time monitoring device has one, is arranged on intersection, is connected with the drive end of traffic light.
Described pavement humidity real-time monitoring device, air visibility real-time monitoring device, speed per hour operation display device have four groups, are installed on respectively the road roadside, right side apart from intersection 200-1500 rice.
Between sequential transmitter module and sequential receiver module, adopt remote wireless transmission technology, point-to-multipoint pattern, wireless connections.
Pavement humidity real-time monitoring device, for gathering the wet and slippery degree in road surface and transmitting the parameter after changing; Air visibility real-time monitoring device is for gathering air visibility parameter and transmitting the parameter after changing; Pavement humidity real-time monitoring device is connected with the input port of speed per hour arithmetic processor respectively with air visibility real-time monitoring device.
Speed per hour arithmetic processor, is connected with data line with sequential receiver module, pavement humidity real-time monitoring device, the air visibility real-time monitoring device in this region respectively, and calculates according to three's parameter, and operation result is delivered to data driver module.
Data driver module, connects the output terminal of speed per hour arithmetic processor and the input end of speed per hour display with data line.
Speed per hour display, for data that data driver module is carried decimally numeral show, inform the speed per hour of driving towards the vehicle of traffic signal device on each track, provide with reference to speed per hour to the vehicle driver in all advancing, make vehicle remove to cater to green light, avoid waiting red light.
An intelligent speed per hour reminding method that caters to green light sequential, comprising:
Step 1, utilize sequential to detect the traffic lights sequential that collector gathers work at present; Pavement humidity real-time monitoring device, air visibility real-time monitoring device gather parameter current;
If step 3 traffic lights sequential does not change, perform step one, if variation has occurred traffic lights sequential, by sequential transmitter module, the new traffic lights sequential collecting is sent to sequential receiver module; If the data that pavement humidity real-time monitoring device, the judgement of air visibility real-time monitoring device gather do not exceed setting variation range, perform step one, otherwise transmit real-time parameter to speed per hour arithmetical unit.
The calculation of parameter that step 4, speed per hour arithmetic processor provide according to sequential receiver module, pavement humidity real-time monitoring device, air visibility real-time monitoring device three goes out the real-time speed per hour in each track;
Step 6, by data driver module by operation result decimally numeral be presented on speed per hour display.
The present invention solves the mathematical theory method that its technical matters adopts: the vehicle in travelling arrives the installation site of speed per hour operation display device of the present invention, just produced the distance s that arrives traffic light intersection from installation site, the operation sequential of speed per hour arithmetic processor keeps highly consistent with traffic lights sequential, speed per hour arithmetic processor software just knows that this car arrival intersection is just in time the time t of green light from this moment, s is divided by t, just equal speed per hour v, i.e. v=s/t.When time t is along with the sequential cycle of traffic lights changes, s is a changeless value, and so, the prompting speed per hour v of suggestion is with regard to real-time being presented on speed per hour display.
Each speed per hour operation display device at least can show three groups of data of output, first group of vehicle that indicates left-hand bend, the speed per hour of catering to green light simultaneously.Second group of vehicle that indicates craspedodrome, the speed per hour of catering to green light.The 3rd group indicates the bus that need to stop platform, caters to the speed per hour of green light.
The invention has the beneficial effects as follows: the velocity contrast that utilizes different tracks vehicle, reach the time and space distance of vehicle on stagger longitudinal and transverse direction and each track, the track that person for driving a car can travel according to oneself, read the data on speed per hour display, and defer to the speed per hour data of catering to green light on corresponding track.Critically while reducing crossing rush lamp or bring to a halt, avoid waiting for that red light loses time, prevents the retardance of speed-raising again after the red lights such as vehicle, improve vehicle flowrate, alleviate idling tail gas pollution when normally travelling when static, the risk when reducing vehicle and intersecting, reduce generation, optimization road surface occupancy, the capable of saving fuel oil of vehicle abrasion and fine particle.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is circuit physical connection figure of the present invention.
Fig. 2 is installation site of the present invention schematic diagram.
Fig. 3 is program flow diagram of the present invention.
In figure, 1, sequential detects collector, 2, sequential measurement processor, 3, sequential transmitter module, 4, sequential receives and to touch piece, and 5, speed per hour arithmetic processor, 6, pavement humidity real-time monitoring device, 7, air visibility real-time monitoring device, 8, data driver module, 9, speed per hour display.
Embodiment
As Fig. 1 and 2, sequential real-time monitoring device of the present invention, be arranged on crossing intersection part, be connected with the drive end of traffic light, power on while starting, traffic lights sequential detects the existing sequential that collector 1 first detects traffic lights, by sequential measurement processor 2, judged whether consistent with original traffic lights time sequence parameter, if sequential measurement processor 2 detects traffic lights sequential and does not change, sequential detects the existing sequential that collector 1 continues to detect traffic lights, when traffic lights timing variations, the new traffic lights sequential collecting will be sent to four sequential that are installed on respectively apart from the road roadside, right side of intersection 200-1500 rice by sequential transmitter module 3 receives and touches on piece 4.Four sequential receiver modules 4 are installed on respectively on four speed per hour operation display devices.Corresponding sequential receiver module 4 is given corresponding speed per hour arithmetic processor 5 by time sequence parameter, and the time sequence parameter that speed per hour arithmetic processor 5 obtains keeps highly consistent with actual traffic lights time sequence parameter.When variation range that the parameter drift-out of pavement humidity real-time monitoring device 6, air visibility real-time monitoring device 7 is set conventionally, the request that said two devices will send Optimal Parameters from speed per hour arithmetic processor 5 corresponding to trend, to reset software inhouse parameter, optimize the Maximum speed limit that marches on towards intersection.The parameter that speed per hour arithmetic processor 5 provides according to the reception tfi module 4 in this region, pavement humidity real-time monitoring device 6, air visibility real-time monitoring device 7 threes is calculated, and calculates the real-time speed per hour in each track.Speed per hour arithmetic processor 5 in each crossing direction, calculates according to software program, thereby calculates left turn lane, Through Lane that the party makes progress, the vehicle of crossing platform bus zone is while arriving intersection, the speed per hour of just in time catering to green light.Speed per hour arithmetic processor 5 is delivered to data driver module 8 by operation result.Through the driving of data driver module 8, by speed per hour display 9 by operation result decimally numeral show, provide with reference to speed per hour to all middle vehicle drivers that advances.
The present invention utilizes the velocity contrast of different tracks vehicle, reaches and staggers on each track of longitudinal and transverse direction, the time and space distance of vehicle.At vehicle, sail in next same direction, in the different tracks due to the bus of keeping straight on, turn left, miss the stop, the time point that caters to green light sequential is different, and the prompting speed per hour v that person for driving a car receives in same place is also different.When driving towards the motor vehicle of craspedodrome direction while closing on intersection, the motor vehicle that drives towards left-hand bend direction is also trailed in the wings, so, person for driving a car can need change lane according to the facility of oneself, mixed left turn lane, before this intersection that will cross, take and keep straight on and left turn lane, to significantly improve pavement usage efficiency.In like manner, the vehicle of left-hand bend also can be used Through Lane with before turning.When the motor vehicle of left-hand bend direction, crossing crossing when complete, cater to next green light sequential, drive towards the motor vehicle of craspedodrome direction also at far rear, and pulled open distance, is the vehicle travelling on crossing with it track, has stopped the time and space of passing through.
Need to stop the public transit vehicle of platform, before catering to green light sequential, be reserved with the time of stopping the upper and lower passenger of platform, when calculating crossing and be just in time the speed per hour of green light, add the time t1 pulling in, that is: the speed formula that need to stop the public transit vehicle of platform is v=s/ (t+t1).
Claims (9)
1. an intelligent speed per hour prompt system that caters to green light sequential, it is characterized in that: comprise sequential real-time monitoring device, pavement humidity real-time monitoring device, air visibility real-time monitoring device, speed per hour operation display device four parts, described sequential real-time monitoring device detects collector, sequential measurement processor, sequential transmitter module by sequential and forms; Speed per hour operation display device is comprised of sequential receiver module, speed per hour arithmetic processor, data driver module, speed per hour display.
2. according to a kind of intelligent speed per hour prompt system that caters to green light sequential described in right 1, it is characterized in that: described sequential real-time monitoring device has one, is arranged on intersection, be connected with the drive end of traffic light.
3. according to a kind of intelligent speed per hour prompt system that caters to green light sequential described in right 1, it is characterized in that: described pavement humidity real-time monitoring device, air visibility real-time monitoring device, speed per hour operation display device have four groups, be installed on respectively the road roadside, right side apart from intersection 200-1500 rice.
4. according to a kind of intelligent speed per hour prompt system that caters to green light sequential described in right 1, it is characterized in that: between described sequential transmitter module and sequential receiver module, adopt remote wireless transmission technology, point-to-multipoint pattern, wireless connections.
5. according to a kind of intelligent speed per hour prompt system that caters to green light sequential described in right 1, it is characterized in that: described pavement humidity real-time monitoring device, for gathering the wet and slippery degree in road surface and transmitting the parameter after changing; Air visibility real-time monitoring device is for gathering air visibility parameter and transmitting the parameter after changing; Pavement humidity real-time monitoring device is connected with the input port of speed per hour arithmetic processor respectively with air visibility real-time monitoring device.
6. according to a kind of intelligent speed per hour prompt system that caters to green light sequential described in right 1, it is characterized in that: described speed per hour arithmetic processor is connected with data line with sequential receiver module, pavement humidity real-time monitoring device, the air visibility real-time monitoring device in this region respectively, and calculate according to three's parameter, operation result is delivered to data driver module.
7. according to a kind of intelligent speed per hour prompt system that caters to green light sequential described in right 1, it is characterized in that: described data driver module, connects the output terminal of speed per hour arithmetic processor and the input end of speed per hour display with data line.
8. according to a kind of intelligent speed per hour prompt system that caters to green light sequential described in right 1, it is characterized in that: described speed per hour display, for data that data driver module is carried decimally numeral show, inform the speed per hour of driving towards the vehicle of traffic signal device on each track, provide with reference to speed per hour to the vehicle driver in all advancing, make vehicle remove to cater to green light, avoid waiting red light.
9. an intelligent speed per hour reminding method that caters to green light sequential, is characterized in that: described reminding method comprises:
Step 1, utilize sequential to detect the traffic lights sequential that collector gathers work at present; Pavement humidity real-time monitoring device, air visibility real-time monitoring device gather parameter current;
Step 2, sequential measurement processor judge whether traffic lights sequential variation has occurred; Whether the data that pavement humidity real-time monitoring device, the judgement of air visibility real-time monitoring device gather exceed setting variation range.
If step 3 traffic lights sequential does not change, perform step one, if variation has occurred traffic lights sequential, by sequential transmitter module, the new traffic lights sequential collecting is sent to sequential receiver module; If the data that pavement humidity real-time monitoring device, the judgement of air visibility real-time monitoring device gather do not exceed setting variation range, perform step one, otherwise transmit real-time parameter to speed per hour arithmetical unit.
The calculation of parameter that step 4, speed per hour arithmetic processor provide according to sequential receiver module, pavement humidity real-time monitoring device, air visibility real-time monitoring device three goes out the real-time speed per hour in each track;
Step 5, speed per hour arithmetic processor are delivered to data driver module by operation result;
Step 6, by data driver module by operation result decimally numeral be presented on speed per hour display.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109629356A (en) * | 2018-12-22 | 2019-04-16 | 苏州天微至胜运动控制技术有限公司 | A kind of intelligent road guidance control system |
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Application publication date: 20140212 |