CN102982686A - Traffic green wave dynamic adjusting system and method based on travel time of floating vehicles - Google Patents
Traffic green wave dynamic adjusting system and method based on travel time of floating vehicles Download PDFInfo
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- CN102982686A CN102982686A CN2012104872414A CN201210487241A CN102982686A CN 102982686 A CN102982686 A CN 102982686A CN 2012104872414 A CN2012104872414 A CN 2012104872414A CN 201210487241 A CN201210487241 A CN 201210487241A CN 102982686 A CN102982686 A CN 102982686A
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Abstract
The invention discloses a traffic green wave dynamic adjusting system and a method based on travel time of floating vehicles. The system comprises a vehicle, a vehicle management center and a traffic signal control system, wherein the vehicle is provided with a global position system (GPS) terminal, the vehicle management center is used for collecting vehicle travel time of the vehicle arriving at a next signal lamp through the GPS terminal, and the traffic signal control system is used for controlling phases of traffic signal lamps. The GPS terminal is in signal connection with the vehicle management center which is in signal connection with the traffic signal control system. According to the traffic green wave dynamic adjusting system and the method, the GPS terminal collects vehicle travel time among traffic signal lamps in real time and sends the time to the vehicle management center; and the vehicle management center adjusts phase differences of the traffic signal lamps through the traffic signal control system according to the collected vehicle travel time. According to the traffic green wave dynamic adjusting system and the method, vehicle travel time on road segments is collected in real time, automatically and directly, green wave control is achieved by adjusting the phase differences of the traffic signal lamps conveniently, rapidly and directly, and investment and construction costs and maintenance costs are low.
Description
Technical field
The present invention relates to the urban road transportation control technical field, relate in particular to a kind of green fluctuation attitude Adjustment System of traffic based on the Floating Car journey time and method.
Background technology
" green ripple " control, it is a kind of mode of urban traffic signal control, by continuous intersection signal control parameter (cycle, split, the green time difference) on the road is set, it is lower to guarantee that vehicle travels at certain speed, what do not stop as far as possible passes through the crossing continuously, thereby reduced delay, improved traffic efficiency.
Common green ripple control method is by with the car investigation at present, obtains the travelling speed of vehicle between the crossing of different periods, carries out the adjustment of phase differential according to this velocity amplitude.Because sampled data is limited, generally is divided into morning peak, Ping Feng, three periods of evening peak, hysteresis quality is more serious.Simultaneously, existing collecting method adopts the method for burying the vehicle inductive coil in each highway section underground to gather more, and investment construction cost and maintenance cost are higher.
Therefore, those skilled in the art is devoted to develop a kind of by in real time, automatically, directly gather garage's journey time on the highway section always, the phase differential of more convenient direct adjustment traffic lights is realized green ripple control, and investment construction cost and the low green fluctuation attitude Adjustment System of the traffic based on the Floating Car journey time and the method for maintenance cost.
Summary of the invention
Because the above-mentioned deficiency of prior art, the present invention proposes a kind of by in real time, automatically, directly gather garage's journey time on the highway section, the phase differential of more convenient direct adjustment traffic lights is realized green ripple control, and investment construction cost and the low green fluctuation attitude Adjustment System of the traffic based on the Floating Car journey time and the method for maintenance cost.
For achieving the above object, the invention provides a kind of road overload automatic monitoring system based on dynamic weighing, comprising: with the vehicle of GPS terminal, for the vehicle management center that gathers described vehicle arrival next signal lamp garage's journey time by described GPS terminal, for the traffic signal control system of controlling the traffic lights phase place; Described GPS terminal is connected with described vehicle management center signal, and described vehicle management center is connected with described traffic signal control system signal.
Better, described vehicle is taxi, described vehicle management center is the taxi management center.
Better, described GPS terminal is navigating instrument or navigation mobile phone.
The present invention also proposes the green fluctuation attitude of a kind of traffic based on Floating Car journey time method of adjustment, may further comprise the steps: step 1: by garage's journey time in highway section between the GPS terminal Real-time Collection traffic lights, and send it to vehicle management center; Step 2: described vehicle management center is according to collecting the phase differential of highway section garage journey time by traffic signal control system adjustment traffic lights.
In sum, traffic based on the Floating Car journey time green fluctuation attitude Adjustment System of the present invention and method are by the automatic garage's journey time that gathers on the highway section of GPS location, need not to add vehicle detection apparatus and detect car speed, the phase differential of more convenient direct adjustment traffic lights is realized green ripple control, and investment construction cost and the low characteristics of maintenance cost.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand fully purpose of the present invention, feature and effect.
Description of drawings
Fig. 1 is that specific embodiment is based on the structural representation of the green fluctuation attitude of the traffic of Floating Car journey time Adjustment System.
Fig. 2 is that specific embodiment is based on the FB(flow block) of the green fluctuation attitude of the traffic of Floating Car journey time method of adjustment.
Embodiment
As shown in Figure 1, present embodiment the invention provides the green fluctuation attitude of a kind of traffic based on Floating Car journey time Adjustment System, comprising: with the vehicle 101 of GPS terminal, be used for gathering the vehicle management center 102 that described vehicle arrives next signal lamp garage's journey time, the traffic signal control system 103 that is used for control traffic lights phase place by described GPS terminal (not shown); Described GPS terminal is connected 102 with the vehicle management center signal, and vehicle management center 102 is connected with traffic signal control system 103 signals.The signal that sends by vehicle-mounted GSP terminal, utilize existing satellite positioning tech can be directly garage's journey time in each highway section of Real-time Obtaining easily, by wireless communication technology time data is transferred to vehicle management center again, time data is carried out pre-service, then continue by the wireless communication technology signal transmission to original traffic signal control system, the corresponding signal machine is carried out the adjustment of traffic lights phase differential, time according to the Floating Car stroke changes the dynamic phase differential of adjusting traffic signals, realizes the green ripple control of traffic.
As the further embodiment of present embodiment, vehicle 101 adopts taxi, and vehicle management center 102 is the taxi management center.Because the equal comparative maturity of taxi transportation network in a lot of cities, the coverage rate of taxi is increasing, its most taxi all with the GPS terminal that is connected with the taxi management center is equipped with, such as native system by existing taxi transportation network, each highway section garage journey time can be extracted, also the cost of native system will be reduced greatly.
Exemplary, described GPS terminal can adopt the locating devices such as navigating instrument or navigation mobile phone.
The below will be further detailed embodiments of the present invention.In the following description, about how be converted to the phase differential of traffic lights the garage's journey time that collects, can be with reference to existing green wave current control method such as publication " based on the signal controlling offset optimization technical research of forecasting type Route Travel Time " literary composition in " the highway communication science and technology " of 08 phase in 2007.These prior aries are introduced in this as a reference.
The present invention also proposes the green fluctuation attitude of a kind of traffic based on Floating Car journey time method of adjustment, may further comprise the steps: step 1: by garage's journey time in highway section between the GPS terminal Real-time Collection traffic lights, and send it to vehicle management center; Step 2: described vehicle management center is according to collecting the phase differential of highway section garage journey time by traffic signal control system adjustment traffic lights.Specifically as shown in Figure 2, step 201 is externally launched the vehicle GPS data with the vehicle of GPS terminal; Step 202, vehicle management center obtains garage's journey time real-time on this highway section by the vehicle GPS data that the GPS location obtains on each highway section; Step 203 sends to garage's journey time in the traffic signal control system; Carry out step 204 again, it is poor to adjust green ripple control parameter phase; Transmit control signal at last and carry out the control of corresponding intersection traffic lights to teleseme.
This dynamic adjusting method is located garage's journey time in each highway section of direct convenient Real-time Obtaining and is carried out green ripple control as predicted travel time by GPS, optimized greatly green ripple control system, with different traffic divide more meticulous, and directly adjust phase differential, do not need to convert to velocity amplitude, have outstanding substantive distinguishing features and significant technical progress.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art need not creative work and just can design according to the present invention make many modifications and variations.Therefore, all in the art technician all should be in the determined protection domain by claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (4)
1. the green fluctuation attitude of the traffic based on Floating Car journey time Adjustment System, it is characterized in that, comprising: with the vehicle of GPS terminal, for the vehicle management center that gathers described vehicle arrival next signal lamp garage's journey time by described GPS terminal, for the traffic signal control system of controlling the traffic lights phase place; Described GPS terminal is connected with described vehicle management center signal, and described vehicle management center is connected with described traffic signal control system signal.
2. the green fluctuation attitude of the traffic based on the Floating Car journey time as claimed in claim 1 Adjustment System, it is characterized in that: described vehicle is taxi, described vehicle management center is the taxi management center.
3. the green fluctuation attitude of the traffic based on the Floating Car journey time as claimed in claim 1 Adjustment System, it is characterized in that: described GPS terminal is navigating instrument or navigation mobile phone.
4. the green fluctuation attitude of the traffic based on a Floating Car journey time method of adjustment is characterized in that, may further comprise the steps:
Step 1: by garage's journey time in highway section between the GPS terminal Real-time Collection traffic lights, and send it to vehicle management center;
Step 2: described vehicle management center is according to collecting the phase differential of highway section garage journey time by traffic signal control system adjustment traffic lights.
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Cited By (8)
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| CN103337182A (en) * | 2013-06-24 | 2013-10-02 | 无锡商业职业技术学院 | Flow induced traffic light |
| CN104008656A (en) * | 2014-06-16 | 2014-08-27 | 上海萃智工业技术有限公司 | Intelligent traffic light system |
| CN104408914A (en) * | 2014-10-31 | 2015-03-11 | 重庆大学 | Signal intersection single vehicle stopping delay time estimating method and system based on GPS data |
| CN104751650A (en) * | 2013-12-31 | 2015-07-01 | 中国移动通信集团公司 | Method and equipment for controlling road traffic signals |
| CN107204120A (en) * | 2017-07-19 | 2017-09-26 | 济南全通信息科技有限公司 | A kind of method and its device that Signal phase design is carried out using hourage |
| CN107331167A (en) * | 2017-08-07 | 2017-11-07 | 青岛海信网络科技股份有限公司 | A kind of traffic lights feedback adjustment methods and device |
| CN108806290A (en) * | 2018-05-30 | 2018-11-13 | 东南大学 | Dynamic bidirectional green wave control method based on traffic state judging |
| CN111462476A (en) * | 2019-01-22 | 2020-07-28 | 上海宝康电子控制工程有限公司 | Method for realizing green wave effect inspection and prediction based on neural network algorithm under TensorFlow framework |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103337182A (en) * | 2013-06-24 | 2013-10-02 | 无锡商业职业技术学院 | Flow induced traffic light |
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| CN107204120A (en) * | 2017-07-19 | 2017-09-26 | 济南全通信息科技有限公司 | A kind of method and its device that Signal phase design is carried out using hourage |
| CN107204120B (en) * | 2017-07-19 | 2019-12-31 | 济南全通信息科技有限公司 | Method and device for designing traffic signal phase by using travel time |
| CN107331167A (en) * | 2017-08-07 | 2017-11-07 | 青岛海信网络科技股份有限公司 | A kind of traffic lights feedback adjustment methods and device |
| CN108806290A (en) * | 2018-05-30 | 2018-11-13 | 东南大学 | Dynamic bidirectional green wave control method based on traffic state judging |
| CN108806290B (en) * | 2018-05-30 | 2019-06-14 | 东南大学 | Dynamic bidirectional green wave control method based on traffic state judging |
| CN111462476A (en) * | 2019-01-22 | 2020-07-28 | 上海宝康电子控制工程有限公司 | Method for realizing green wave effect inspection and prediction based on neural network algorithm under TensorFlow framework |
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Application publication date: 20130320 |