CN104851291A - Real-time lane congestion index analysis system and analysis method thereof - Google Patents
Real-time lane congestion index analysis system and analysis method thereof Download PDFInfo
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- CN104851291A CN104851291A CN201510216528.7A CN201510216528A CN104851291A CN 104851291 A CN104851291 A CN 104851291A CN 201510216528 A CN201510216528 A CN 201510216528A CN 104851291 A CN104851291 A CN 104851291A
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- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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Abstract
The invention relates to traffic management, and especially relates to a real-time lane congestion index analysis system. The real-time lane congestion index analysis system comprises a server and vehicle-borne controllers. The server and the vehicle-borne controllers are connected through communication. Each vehicle-borne controller comprises a controller, a communication module, and a positioning device. The positioning devices are high-precision positioning devices and can position a vehicle on a lane, and each positioning device obtains the accurate real-time location of an on-road vehicle to position the vehicle on a lane. The server calculates a real-time congestion index reflecting the vehicle density on a lane or road according to a preset coefficient for road occupation by various types of vehicles. The system and the method of the invention are conductive to traffic management and traffic navigation.
Description
Technical field
The present invention relates to and relate to traffic administration, especially relate to a kind of track congestion index analytic system in real time.
Background technology
Above reflecting track or road, traffic density can use congestion in road index.Road vehicle flow, congestion in road index are the important evidence of traffic design, traffic administration, communication navigation; Particularly real-time congestion in road index, can be used for carrying out real-time traffic administration, communication navigation; Be accurate to the important evidence of the vehicle flow of track rank, congestion in road index traffic design, traffic administration, communication navigation especially; The scheduling of the real-time vehicle flow being accurate to track rank, congestion in road exponent pair real-time traffic, communication navigation have very large meaning.
The positioning precision of existing differential satellite positioning system can reach a millimeter rank, and little by the impact of terrain and its features; Further, by carrying out the aftertreatments such as error correction to the data of single-point satnav, the technology of high-precision fixed bit data is obtained; High-precision satellite positioning tech can be used for carrying out traffic administration.
Existing Chinese patent 201210178817.9 proposes wireless induction type road vehicle flow detection device, by roadside base station and the wire-less inductive devices be embedded under road foundation, obtains vehicle flow data; But need to lay a large amount of equipment.
Existing Chinese patent 201210507080.0 proposes a kind of urban road traffic state method of discrimination based on section detector; Construct evaluation index of comprehensively blocking up, i.e. a traffic congestion index with the magnitude of traffic flow, speed, these three traffic flow parameters of time occupancy, utilize traffic congestion exponent pair road section traffic volume state to differentiate; But this invention is based on the transport information of detection sections some on section, and information acquisition is less, and the data precision is lower.
If, the self-contained high precision satellite positioning device of all or most vehicle, server passes through to obtain at the more accurate real time position of road vehicles, vehicle location on track, just can analyze road occupation situation real-time accurately, more can obtain accurate track service condition; Namely real-time road vehicle flow, congestion in road index, track vehicle flow, track congestion index is analyzed.
Summary of the invention
Technical matters:
For the defect that prior art exists, the present invention proposes a kind of track congestion index analytic system in real time and real-time track congestion index analytical approach thereof, by the high-accuracy position system that each vehicle is installed, obtain the real time position of the vehicle on road, vehicle location on track, analyze real-time road vehicle flow, congestion in road index, track vehicle flow, track congestion index further.
Technical scheme:
For achieving the above object, the present invention proposes a kind of track congestion index analytic system in real time, comprising: server, Vehicle Controller; Described server and Vehicle Controller communicate to connect; Described Vehicle Controller comprises controller, communication module, locating device; Described locating device is high-precision positioner, can vehicle location on track; Described Vehicle Controller is arranged on vehicle; Described controller is connected with communication module and locating device respectively; Described communication module is in order to data information mutual between server and Vehicle Controller; Described locating device sends controller to vehicle location information.
Described a kind of Real-time Road service condition analytic system, also comprise office terminal, described office terminal is connected with server by communication system, for managing the operation of whole system.
Described real-time track congestion index analytical approach, comprises the steps:
1) locator data of the real-time high-precision of vehicle is obtained: each vehicle is sent to server according to the mode of operation pre-set oneself up-to-date locator data;
2) locator data within the scope of setting-up time received according to server, the track at default region decision vehicle place, track, add up the quantity of vehicle on each track; Thinking the quantity of vehicle on each track, is the congestion index one that track is current.
Described real-time track congestion index analytical approach, also comprises the coefficient taking road arranging often kind of dissimilar vehicle in advance respectively; Now, above-mentioned steps 2) change to:
The locator data within the scope of setting-up time 2b) received according to server, the track at default region decision vehicle place, track, add up the quantity of various dissimilar vehicle on each track respectively, thinking the quantity of vehicle of certain type on certain track, is the congestion index one within the scope of setting-up time of this type vehicle on this track; Then the congestion index one within the scope of setting-up time of all types vehicle on same track is sued for peace, obtain the congestion index one within the scope of setting-up time in this track; Again the vehicle that the congestion index one within the scope of setting-up time of the various dissimilar vehicle in this track is multiplied by this type pre-set respectively is taken the coefficient of road; Think that vehicle that the quantity of vehicle of certain type on certain track is multiplied by this type pre-set takies the coefficient of road, the congestion index two amassed as this type vehicle on this track of gained; The congestion index two within the scope of setting-up time of all types vehicle on this track is sued for peace, obtains the congestion index two within the scope of setting-up time in this track.
Described real-time track congestion index analytical approach, also comprises the steps:
3) the congestion index one within the scope of setting-up time of track/road or congestion index two area divided by affiliated track/road, the business of acquisition be this track/road the congestion index three within the scope of setting-up time or
3b) the congestion index one of certain type of vehicle within the scope of setting-up time of track/road or congestion index two area divided by affiliated track/road, the business of acquisition is the congestion index three of certain type of vehicle within the scope of setting-up time of this track/road.
Described real-time track congestion index analytical approach, also comprises following process:
4) according to the track of presetting and the relation of road, to congestion index one summation within the scope of setting-up time in each track belonging to same path, the congestion index one within the scope of setting-up time of this road is obtained;
5) track that foundation is default and the relation of road, to congestion index one summation within the scope of setting-up time of vehicle of certain type in each track belonging to same path, obtain the congestion index one within the scope of setting-up time of the vehicle of this this type of road;
6) according to the track of presetting and the relation of road, to congestion index two summation within the scope of setting-up time in each track belonging to same path, the congestion index two within the scope of setting-up time of this road is obtained;
7) track that foundation is default and the relation of road, to congestion index two summation within the scope of setting-up time of vehicle of certain type in each track belonging to same path, obtain the congestion index two within the scope of setting-up time of the vehicle of this this type of road.
Technique effect:
The one real-time track congestion index analytic system that the present invention proposes, server is by obtaining at the more accurate real time position of road vehicles, vehicle location on track, and according to the coefficient taking road of the various types of vehicles pre-set, calculate the real-time congestion index of track or road, be conducive to traffic administration, communication navigation.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of a kind of real-time track of the present invention congestion index analytic system.
Fig. 2 is the structural principle schematic diagram of Vehicle Controller of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the one real-time track congestion index analytic system that the present invention proposes, this system comprises: server, Vehicle Controller; Described server and Vehicle Controller communicate to connect, the communication connection of preferred use safety.Described server is prior art.
As shown in Figure 1, the one real-time track congestion index analytic system that the present invention proposes, also comprise office terminal, office terminal is connected with server by communication system, for managing the operation of whole system; Described office terminal is the fixed terminals such as computing machine, can be also the mobile terminals such as mobile phone, be prior art, preferably use computing machine.
As shown in Figure 2, described Vehicle Controller comprises: controller, communication module, locating device; Described locating device is high-precision positioner, can vehicle location on track; Described controller is connected with communication module and locating device respectively; Described communication module is in order to data information mutual between server and Vehicle Controller; Described locating device sends controller to vehicle location information.Described controller is prior art; Described communication module is prior art; Described locating device is prior art.Described locating device is vehicle-mounted high-precision satellite positioning device; Select differential satellite locating device, or other high precision satellite positioning device, the positioning precision of selected locating device is better than 0.5 meter, preferred use differential satellite locating device, and its positioning precision is better than 0.1 meter; Locating device sends controller to vehicle location information.
Described Vehicle Controller is arranged on vehicle, is powered by onboard power system, and it is installed, power supply technique is prior art.
Described real-time track congestion index analytical approach, comprises the steps:
1) locator data of the real-time high-precision of vehicle is obtained: each vehicle is sent to server according to the mode of operation pre-set oneself up-to-date locator data; The locating module that Vehicle Controller comprises gives controller satellite location data, and controller, after satellite location data affix positioning time, the unique identifier of vehicle or the unique identifier of type of vehicle, sends to server as locator data; The described mode of operation pre-set, can be timing or response formula, during timing mode, timing can be set to 0.01 second 300 seconds, preferably adopts timing mode, and timing is 0.5 second; Described locator data comprises the geographic coordinate of vehicle, positioning time, the unique identifier of vehicle or the unique identifier of type of vehicle.
2) locator data within the scope of setting-up time received according to server, the track at default region decision vehicle place, track, add up the quantity of vehicle on each track; Thinking the quantity of vehicle on each track, is the congestion index one that track is current; Described setting-up time scope is 1 second to 30 minutes, preferably 60 seconds; Described default region, track, adopting Geographic Information System to represent the technology in region, track, is prior art; The described track according to locator data, default region decision vehicle place, track judges the technology of geo point in geographic area, and being the function of Geographic Information System, is prior art.
Described real-time track congestion index analytical approach, also comprises the coefficient taking road arranging often kind of dissimilar vehicle in advance respectively; The coefficient taking road of described vehicle is according to settings such as the projected area of vehicle on ground, length, width, speed, radiuss of turn; With the floor area amassed as vehicle of the length of vehicle and width; The floor area of the coefficient and vehicle that preferably take road is directly proportional, with the floor area of vehicle divided by 6 square metres of business obtained for this vehicle takies the coefficient of road.
Now, above-mentioned steps 2) change to:
The locator data within the scope of setting-up time 2b) received according to server, the track at default region decision vehicle place, track, add up the quantity of various dissimilar vehicle on each track respectively, thinking the quantity of vehicle of certain type on certain track, is the congestion index one within the scope of setting-up time of this type vehicle on this track; Then the congestion index one within the scope of setting-up time of all types vehicle on same track is sued for peace, obtain the congestion index one within the scope of setting-up time in this track; Again the vehicle that the congestion index one within the scope of setting-up time of the various dissimilar vehicle in this track is multiplied by this type pre-set respectively is taken the coefficient of road; Think that vehicle that the quantity of vehicle of certain type on certain track is multiplied by this type pre-set takies the coefficient of road, the congestion index two amassed as this type vehicle on this track of gained; The congestion index two within the scope of setting-up time of all types vehicle on this track is sued for peace, obtains the congestion index two within the scope of setting-up time in this track;
Described real-time track congestion index analytical approach, also comprises the steps:
3) the congestion index one within the scope of setting-up time of track/road or congestion index two area divided by affiliated track/road, the business of acquisition be this track/road the congestion index three within the scope of setting-up time or
3b) the congestion index one of certain type of vehicle within the scope of setting-up time of track/road or congestion index two area divided by affiliated track/road, the business of acquisition is the congestion index three of certain type of vehicle within the scope of setting-up time of this track/road.
Described real-time track congestion index analytical approach, also comprises following process:
4) according to the track of presetting and the relation of road, to congestion index one summation within the scope of setting-up time in each track belonging to same path, the congestion index one within the scope of setting-up time of this road is obtained;
5) track that foundation is default and the relation of road, to congestion index one summation within the scope of setting-up time of vehicle of certain type in each track belonging to same path, obtain the congestion index one within the scope of setting-up time of the vehicle of this this type of road;
6) according to the track of presetting and the relation of road, to congestion index two summation within the scope of setting-up time in each track belonging to same path, the congestion index two within the scope of setting-up time of this road is obtained;
7) track that foundation is default and the relation of road, to congestion index two summation within the scope of setting-up time of vehicle of certain type in each track belonging to same path, obtain the congestion index two within the scope of setting-up time of the vehicle of this this type of road.
Described all preset data, are all operated by office terminal.
The step of preferred track congestion index analytical approach is in real time:
1) locator data of the real-time high-precision of vehicle is obtained: each vehicle is sent to server according to the mode of operation pre-set oneself up-to-date locator data; The locating module that Vehicle Controller comprises gives controller satellite location data, and controller, after satellite location data affix positioning time, the unique identifier of vehicle or the unique identifier of type of vehicle, sends to server as locator data; The described mode of operation pre-set, can be timing or response formula, during timing mode, timing can be set to 0.01 second 300 seconds, preferably adopts timing mode, and timing is 0.5 second; Described locator data comprises the geographic coordinate of vehicle, positioning time, the unique identifier of vehicle or the unique identifier of type of vehicle.
The locator data within the scope of setting-up time 2b) received according to server, the track at default region decision vehicle place, track, add up the quantity of various dissimilar vehicle on each track respectively, thinking the quantity of vehicle of certain type on certain track, is the congestion index one within the scope of setting-up time of this type vehicle on this track; Then the congestion index one within the scope of setting-up time of all types vehicle on same track is sued for peace, obtain the congestion index one within the scope of setting-up time in this track; Again the vehicle that the congestion index one within the scope of setting-up time of the various dissimilar vehicle in this track is multiplied by this type pre-set respectively is taken the coefficient of road; Think that vehicle that the quantity of vehicle of certain type on certain track is multiplied by this type pre-set takies the coefficient of road, the congestion index two amassed as this type vehicle on this track of gained; The congestion index two within the scope of setting-up time of all types vehicle on this track is sued for peace, obtains the congestion index two within the scope of setting-up time in this track;
3) the area of the congestion index two within the scope of setting-up time in track divided by affiliated track, the business of acquisition is the congestion index three within the scope of setting-up time in this track.
The one real-time track congestion index analytic system that the present invention proposes, server is by obtaining at the more accurate real time position of road vehicles, vehicle location on track, and according to the coefficient taking road of the various types of vehicles pre-set, calculate the real-time congestion index of track or road, be conducive to traffic administration, communication navigation.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a real-time track congestion index analytic system, is characterized in that: comprise server, Vehicle Controller; Described server and Vehicle Controller communicate to connect; Described Vehicle Controller comprises controller, communication module, locating device; Described locating device is high-precision positioner, can vehicle location on track; Described Vehicle Controller is arranged on vehicle; Described controller is connected with communication module and locating device respectively; Described communication module is in order to data information mutual between server and Vehicle Controller; Described locating device sends controller to vehicle location information.
2. one according to claim 1 real-time track congestion index analytic system, is characterized in that: also comprise office terminal, and described office terminal is connected with server by communication system, for managing the operation of whole system.
3. the real-time track congestion index analytical approach of a kind of real-time track according to claim 1 congestion index analytic system, is characterized in that: comprise the steps:
1) locator data of the real-time high-precision of vehicle is obtained: each vehicle is sent to server according to the mode of operation pre-set oneself up-to-date locator data;
2) locator data within the scope of setting-up time received according to server, the track at default region decision vehicle place, track, add up the quantity of vehicle on each track; Thinking the quantity of vehicle on each track, is the congestion index one that track is current.
4. real-time track according to claim 3 congestion index analytical approach, is characterized in that:
Also comprise the coefficient taking road that often kind of dissimilar vehicle is set in advance respectively; Now, above-mentioned steps 2) change to:
The locator data within the scope of setting-up time 2b) received according to server, the track at default region decision vehicle place, track, add up the quantity of various dissimilar vehicle on each track respectively, thinking the quantity of vehicle of certain type on certain track, is the congestion index one within the scope of setting-up time of this type vehicle on this track; Then the congestion index one within the scope of setting-up time of all types vehicle on same track is sued for peace, obtain the congestion index one within the scope of setting-up time in this track; Again the vehicle that the congestion index one within the scope of setting-up time of the various dissimilar vehicle in this track is multiplied by this type pre-set respectively is taken the coefficient of road; Think that vehicle that the quantity of vehicle of certain type on certain track is multiplied by this type pre-set takies the coefficient of road, the congestion index two amassed as this type vehicle on this track of gained; The congestion index two within the scope of setting-up time of all types vehicle on this track is sued for peace, obtains the congestion index two within the scope of setting-up time in this track.
5., according to claim 3, real-time track according to claim 4 congestion index analytical approach, it is characterized in that:
Also comprise the steps:
3) the congestion index one within the scope of setting-up time of track/road or congestion index two area divided by affiliated track/road, the business of acquisition be this track/road the congestion index three within the scope of setting-up time or
3b) the congestion index one of certain type of vehicle within the scope of setting-up time of track/road or congestion index two area divided by affiliated track/road, the business of acquisition is the congestion index three of certain type of vehicle within the scope of setting-up time of this track/road.
6., according to claim 3, claim 4, real-time track according to claim 5 congestion index analytical approach, it is characterized in that: also comprise following process:
4) according to the track of presetting and the relation of road, to congestion index one summation within the scope of setting-up time in each track belonging to same path, the congestion index one within the scope of setting-up time of this road is obtained;
5) track that foundation is default and the relation of road, to congestion index one summation within the scope of setting-up time of vehicle of certain type in each track belonging to same path, obtain the congestion index one within the scope of setting-up time of the vehicle of this this type of road;
6) according to the track of presetting and the relation of road, to congestion index two summation within the scope of setting-up time in each track belonging to same path, the congestion index two within the scope of setting-up time of this road is obtained;
7) track that foundation is default and the relation of road, to congestion index two summation within the scope of setting-up time of vehicle of certain type in each track belonging to same path, obtain the congestion index two within the scope of setting-up time of the vehicle of this this type of road.
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| CN112365712A (en) * | 2020-11-05 | 2021-02-12 | 包赛花 | AI-based intelligent parking lot parking guidance method and artificial intelligence server |
| CN113077629A (en) * | 2021-04-30 | 2021-07-06 | 中科三清科技有限公司 | Dynamic traffic flow measuring and calculating method and device, electronic equipment and storage medium |
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