CN101329817A - Intelligent signal control method for capturing and sharing traffic information - Google Patents
Intelligent signal control method for capturing and sharing traffic information Download PDFInfo
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- CN101329817A CN101329817A CNA2007100421208A CN200710042120A CN101329817A CN 101329817 A CN101329817 A CN 101329817A CN A2007100421208 A CNA2007100421208 A CN A2007100421208A CN 200710042120 A CN200710042120 A CN 200710042120A CN 101329817 A CN101329817 A CN 101329817A
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Abstract
The invention discloses a control method of intelligent signals collecting and sharing traffic information, wherein, a motor vehicle detector is adopted to detect motor vehicles at a position that is 30 meters to 80 meters far from a stop line at the intersections of main roads; a motor vehicle left-turn detector is utilized for detecting the motor vehicles turning left at the position that is 1 meter far from the stop line at the intersections; a bicycle detector is utilized for detecting bicycles at a position that is 15 meters far from the stop line at the intersections; a jam detector is utilized for detecting vehicle jam; a pubic vehicle detector is utilized for detecting public traffic vehicles; a U-turn signal lamp and a U-turn vehicle detector are respectively arranged in the two opposite directions of roads at the crossing; the U-turn vehicle detector is utilized for detecting the emergence signals of U-turn vehicles; a pedestrian control signal lamp and a controller are arranged on zebra crossing. A plurality of detectors detect the location information of a plurality of moving objects so as to make an optimal control proposal in time according to the complicated traffic situation on sites and concurrently meet the requirements of various aspects, such as vehicles going straight and turning left, non-motor vehicles and pedestrians, etc.
Description
Technical field:
The present invention relates to electricity field, relate in particular to traffic information collection and traffic signals control technology, particularly traffic signaling equipment, concrete is the intelligent signal control method that a kind of traffic information collection is shared.
Background technology:
Computer-controlled traffic signaling equipment is widely used in the roadnet.In the prior art, the traffic control signal machine obtains Traffic Information by being connected with detecting device, through after the computing of pre-set programs, and the output control signal.But the degree of intelligence of existing control method is lower, can not make most preferred controlling schemes immediately according to the complex situations of traffic scene, can not take into account many-sided demands such as straightgoing vehicle, left turning vehicle, bicycle, pedestrian.
Summary of the invention:
The intelligent signal control method that the object of the present invention is to provide a kind of traffic information collection to share, the intelligent signal control method that described this traffic information collection is shared to solve in the prior art degree of intelligence of traffic signal control method lower, can not make the most preferably technical matters of controlling schemes immediately according to the complex situations of traffic scene.
The intelligent signal control method that this traffic information collection of the present invention is shared comprises a process of utilizing the transport information inductor to detect transport information, wherein, utilize in the process that the transport information inductor detects transport information described, utilize the appearance signal of vehicle detector at 30 meters～80 meters machines motor-cars of distance major trunk roads crossing stop line, utilize the appearance signal of vehicle detector at 30 meters machines motor-cars of distance subsidiary road crossing stop line, utilize motor vehicle left-hand rotation detecting device to detect the appearance signal of left-hand rotation motor vehicle at 1 meter of distance major trunk roads or subsidiary road crossing stop line, utilize the bicycle detecting device to detect the appearance signal of bicycle at 15 meters of distance major trunk roads or subsidiary road crossing stop line, utilize obstruction detector 100 meters at distance major trunk roads or subsidiary road crossing stop line, the appearance signal of vehicle is detected at 200 meters and 300 meters, utilize the bus detecting device in 15 meters～30 meters scopes of distance major trunk roads or subsidiary road crossing stop line, to detect the appearance signal of bus vehicle, tune signal lamp and head end operation detecting device are set respectively on two reverse directions of the road of crossing intersection part, utilize the head end operation detecting device to detect the appearance signal of head end operation, pedestrian's control signal lamp and controller are set on zebra crossing.
Further, described bicycle detecting device adopts annular coil detecting device or passive infrared detecting device, utilizes the frequency in annular coil detecting device or the passive infrared detecting device detection bicycle running.
Further, described obstruction detector adopts annular coil or passive infrared detecting device.
Further, described bus detecting device is made up of two ultrasonic ranging devices, utilizes the described ultrasonic ranging device height and length of measurement target vehicle respectively, judges whether it is bus according to the height and length of target vehicle.
Further, utilize the head end operation detecting device to detect the appearance signal of head end operation, utilize described vehicle detector to detect automobile storage on the reverse direction track simultaneously in situation, no automobile storage on appearance signal that detects head end operation and the reverse direction track the time, control tune signal lamp sends green right of way signal.
Principle of work of the present invention is: utilize detecting sensor to simulate people's ear eye, require to adopt dissimilar detecting devices according to different application.Make teleseme obtain adaptive ability, need not to investigate traffic flow and just controlled variable can be set.
Vehicle detector is arranged on 30 meters～80 meters apart from major trunk roads crossing stop line, after the green light of intersection has left, there is a 12-20 to let pass to the car that red light is waited for the intermittence between second, the car of front is from the process of start to walk 35 kilometers/hour of cruising speed or 45 kilometers/hour, its second, speed was respectively 8.33 meter per seconds or 12.5 meter per seconds, and the space headway of this car is 1.5-2 second.The time that sails to stop line from the motor vehicle detector line is 50 meters/12.5, promptly 4 seconds, and perhaps 50 meters/8.33, promptly 7 seconds.Back vehicle time that can obtain to cushion like this, can not cause and bring to a halt because of green light changes red light.
Motor vehicle left-hand rotation detecting device is arranged on from the preceding 1 meter position of stop line.After general crossing green light is kept straight on, opening left turn phase is that same direction craspedodrome becomes left-hand rotation, and the car that therefore turns left can roll stop line immediately away from, and needn't establish away from stop line, and work as the left-hand rotation car and roll the car that several cars do not have later continuity again away from, phase place can stop changing other phase places.
The bicycle detecting device is arranged on from 15 meters positions of stop line.Bicycle is a colony under steam, especially when the peak.The present invention adopts the frequency in annular coil detecting device or the passive infrared detecting device detection bicycle running, calls the bicycle phase place according to detected state.When the motor vehicle green light signals was left, bicycle saw that the automotive lamp signal travels.Yet when the peak or during middle peak, bicycle is seen motor vehicle craspedodrome signal, just can turn left, and influences motor vehicle and keeps straight on, cause that conflict must increase the bicycle signal lamp in this case, first clearance bicycle is kept straight on and is started shooting motor-car craspedodrome lamp after the several seconds of turning left again.This is to reducing conflict and bicycle safe, the effect that can obtain.When ebb, bicycle quantity reduces, and frequency reduces, and this bicycle green light is not just opened, and the bicycle phase place do not occur, makes green light craspedodrome phase place machine non-shared, and letter is few incurs loss through delay, and has increased the utilization factor of green light.
Obstruction detector is arranged on 100-200-300 rice position, stop line upstream, carries out two groups with annular coil or passive infrared detecting device and exists type to detect, and has car not pass through as detection zone in two minutes, thinks to block and reports to the police.
When the bus detecting device detected bus near intersection 15-30 rice, the administered over prolonged green light signals was kept straight on or left rotaring signal.Detecting device is surveyed the bus height and length with two ultrasound examination points, gets rid of freight and truck.
The present invention near the intersection in the highway section of intersection, debug a signal lamp with the tune detecting device.Find have car to reverse end for end when there is car in first in motor vehicle tune signal highway section to detecting device, the other side's lane detector is in effect simultaneously, and the other side's detecting device detects has car current, and the tune lamp is a red light.Only after having the other side's car by 10 seconds, do not have the continuity car and occur, the tune lamp is a green light, and red light is given in the other side track, incurs loss through delay to guarantee that safety reduces.The tune car is continued to have in the back, and then administered over prolonged green light 30-50 second is maximum green switching red light.
The present invention and prior art compare, and its effect is actively with tangible.The present invention utilizes multiple detecting device to detect the positional information of multiple moving target, and detect target according to difference and above-mentioned detecting device is set at the diverse location place of road cross, can make most preferred controlling schemes immediately according to the complex situations of traffic scene, take into account many-sided demands such as straightgoing vehicle, left turning vehicle, bicycle, pedestrian.
Description of drawings:
Fig. 1 be in the intelligent signal control method shared of traffic information collection of the present invention vehicle detector synoptic diagram is set.
Fig. 2 is the detection principle schematic of the bus detecting device in the shared intelligent signal control method of traffic information collection of the present invention.
Fig. 3 is the synoptic diagram that is provided with of tune signal lamp and tune detecting device in the intelligent signal control method shared of traffic information collection of the present invention.
Fig. 4 is the synoptic diagram that is provided with of pedestrian's control signal lamp in the intelligent signal control method shared of traffic information collection of the present invention and controller.
Fig. 5 is the control flow synoptic diagram of an embodiment in the shared intelligent signal control method of traffic information collection of the present invention.
Embodiment:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, the intelligent signal control method that a kind of traffic information collection of the present invention is shared comprises a process of utilizing the transport information inductor to detect transport information, wherein, utilize in the process that the transport information inductor detects transport information described, utilize the appearance signal of vehicle detector 2 at 30 meters～80 meters machines motor-cars of distance major trunk roads crossing stop line, utilize the appearance signal of vehicle detector 2 at 30 meters machines motor-cars of distance subsidiary road crossing stop line, utilize motor vehicle left-hand rotation detecting device to detect the appearance signal of left-hand rotation motor vehicle at 1 meter of distance major trunk roads or subsidiary road crossing stop line, utilize the bicycle detecting device to detect the appearance signal of bicycle at 5 meters of distance major trunk roads or subsidiary road crossing stop line, utilize obstruction detector 100 meters at distance major trunk roads or subsidiary road crossing stop line, the appearance signal of vehicle is detected at 200 meters and 300 meters, utilize the bus detecting device in 15 meters～30 meters scopes of distance major trunk roads or subsidiary road crossing stop line, to detect the appearance signal of bus vehicle, tune signal lamp 4 and head end operation detecting device are set respectively on two reverse directions of the road of crossing intersection part, utilize head end operation detecting device 3 to detect the appearance signal of head end operation, pedestrian's control signal lamp 9 and controller 10 are set on zebra crossing.
Further, described bicycle detecting device adopts annular coil detecting device or passive infrared detecting device, utilizes the frequency in annular coil detecting device or the passive infrared detecting device detection bicycle running.
Further, described obstruction detector adopts annular coil or passive infrared detecting device.
Further, described bus detecting device is made up of two ultrasonic ranging devices 1, utilizes described ultrasonic ranging device 1 height and length of measurement target vehicle respectively, judges whether it is bus according to the height and length of target vehicle.
Further, utilize head end operation detecting device 3 to detect the appearance signal of head end operation, utilize described vehicle detector 2 to detect automobile storage on the reverse direction tracks simultaneously in situation, no automobile storage on appearance signal that detects head end operation and the reverse direction track the time, control tune signal lamp 4 sends green right of way signal.Among Fig. 3, the crossing is provided with no left turn sign 5 and red and green signals lamp 7.
Among Fig. 4, crossing, zebra crossing place is provided with motor vehicle red and green signals lamp 8.
In one embodiment of the present of invention shown in Figure 5, from Monday to Sunday, with every 5-15 minute the time and the relation of the volume of traffic, be recorded as curve, it is leading as the control of self study to offer a signal controller, upgrades curve day by day after seven days.
In addition, the present invention also is provided with the wireless telecommunications part in teleseme, in order to check working condition.With the two phase is example, when green light conflict and other fault all appear in thing, North and South direction, transmits failure message with GPRS or cdma communication mode to administrative authority.
Claims (5)
1. the intelligent signal control method shared of a traffic information collection, comprise a process of utilizing the transport information inductor to detect transport information, it is characterized in that: utilize in the process that the transport information inductor detects transport information described, utilize the appearance signal of vehicle detector at 30 meters～80 meters machines motor-cars of distance major trunk roads crossing stop line, utilize the appearance signal of vehicle detector at 30 meters machines motor-cars of distance subsidiary road crossing stop line, utilize motor vehicle left-hand rotation detecting device to detect the appearance signal of left-hand rotation motor vehicle at 1 meter of distance major trunk roads or subsidiary road crossing stop line, utilize the bicycle detecting device to detect the appearance signal of bicycle at 5 meters of distance major trunk roads or subsidiary road crossing stop line, utilize obstruction detector 100 meters at distance major trunk roads or subsidiary road crossing stop line, the appearance signal of vehicle is detected at 200 meters and 300 meters, utilize the bus detecting device in 15 meters～30 meters scopes of distance major trunk roads or subsidiary road crossing stop line, to detect the appearance signal of bus vehicle, tune signal lamp and head end operation detecting device are set respectively on two reverse directions of the road of crossing intersection part, utilize the head end operation detecting device to detect the appearance signal of head end operation, pedestrian's control signal lamp and controller are set on zebra crossing.
2. the intelligent signal control method that traffic information collection as claimed in claim 1 is shared, it is characterized in that: described bicycle detecting device adopts annular coil detecting device or passive infrared detecting device, utilizes the frequency in annular coil detecting device or the passive infrared detecting device detection bicycle running.
3. the intelligent signal control method that traffic information collection as claimed in claim 1 is shared is characterized in that: described obstruction detector adopts annular coil or passive infrared detecting device.
4. the intelligent signal control method that traffic information collection as claimed in claim 1 is shared, it is characterized in that: described bus detecting device is made up of two ultrasonic ranging devices, utilize the described ultrasonic ranging device height and length of measurement target vehicle respectively, judge whether it is bus according to the height and length of target vehicle.
5. the intelligent signal control method that traffic information collection as claimed in claim 1 is shared, it is characterized in that: utilize the head end operation detecting device to detect the appearance signal of head end operation, utilize described vehicle detector to detect automobile storage on the reverse direction track simultaneously in situation, no automobile storage on appearance signal that detects head end operation and the reverse direction track the time, control tune signal lamp sends green right of way signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100421208A CN101329817A (en) | 2007-06-18 | 2007-06-18 | Intelligent signal control method for capturing and sharing traffic information |
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| CNA2007100421208A CN101329817A (en) | 2007-06-18 | 2007-06-18 | Intelligent signal control method for capturing and sharing traffic information |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101819719A (en) * | 2010-04-09 | 2010-09-01 | 北京工业大学 | Method for setting initial green light time based on pedestrian and bicycle group |
| CN101593419B (en) * | 2009-07-10 | 2011-01-19 | 浙江大学 | Intelligent coordination control method for traffic flow of urban road network with public traffic priority |
| CN101968165B (en) * | 2009-07-28 | 2011-12-28 | 张建琴 | Intelligent communication signal lamp |
| CN103000035A (en) * | 2012-11-22 | 2013-03-27 | 北京交通大学 | Information acquisition release system and method for guiding left-hand turning vehicle to pass through intersection |
| CN104637301A (en) * | 2015-03-03 | 2015-05-20 | 无锡物联网产业研究院 | Traffic information acquisition device and method |
| CN104851290A (en) * | 2015-04-29 | 2015-08-19 | 东南大学 | Method for determining length of lane change forbidding line based on test vehicle information |
| CN105006148A (en) * | 2015-07-06 | 2015-10-28 | 同济大学 | Intersection turning vehicle number estimating method and system |
| CN113538911A (en) * | 2020-02-11 | 2021-10-22 | 北京百度网讯科技有限公司 | Intersection distance detection method and device, electronic equipment and storage medium |
-
2007
- 2007-06-18 CN CNA2007100421208A patent/CN101329817A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101593419B (en) * | 2009-07-10 | 2011-01-19 | 浙江大学 | Intelligent coordination control method for traffic flow of urban road network with public traffic priority |
| CN101968165B (en) * | 2009-07-28 | 2011-12-28 | 张建琴 | Intelligent communication signal lamp |
| CN101819719A (en) * | 2010-04-09 | 2010-09-01 | 北京工业大学 | Method for setting initial green light time based on pedestrian and bicycle group |
| CN103000035A (en) * | 2012-11-22 | 2013-03-27 | 北京交通大学 | Information acquisition release system and method for guiding left-hand turning vehicle to pass through intersection |
| CN103000035B (en) * | 2012-11-22 | 2015-02-25 | 北京交通大学 | Information acquisition release system and method for guiding left-hand turning vehicle to pass through intersection |
| CN104637301A (en) * | 2015-03-03 | 2015-05-20 | 无锡物联网产业研究院 | Traffic information acquisition device and method |
| CN104851290A (en) * | 2015-04-29 | 2015-08-19 | 东南大学 | Method for determining length of lane change forbidding line based on test vehicle information |
| CN105006148A (en) * | 2015-07-06 | 2015-10-28 | 同济大学 | Intersection turning vehicle number estimating method and system |
| CN105006148B (en) * | 2015-07-06 | 2017-10-31 | 同济大学 | A kind of crossing turns to vehicle number estimation method and system |
| CN113538911A (en) * | 2020-02-11 | 2021-10-22 | 北京百度网讯科技有限公司 | Intersection distance detection method and device, electronic equipment and storage medium |
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Open date: 20081224 |