CN108520628A - A kind of system and method avoiding non-mandrel roller T-junction mouth congestion - Google Patents

A kind of system and method avoiding non-mandrel roller T-junction mouth congestion Download PDF

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Publication number
CN108520628A
CN108520628A CN201810322677.5A CN201810322677A CN108520628A CN 108520628 A CN108520628 A CN 108520628A CN 201810322677 A CN201810322677 A CN 201810322677A CN 108520628 A CN108520628 A CN 108520628A
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China
Prior art keywords
congestion
road
wireless communication
communication module
sta
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Pending
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CN201810322677.5A
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Chinese (zh)
Inventor
朱顺应
卢华
肖文彬
蒋若曦
雷桂荣
金霞
邹禾
陈勇
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Priority to CN201810322677.5A priority Critical patent/CN108520628A/en
Publication of CN108520628A publication Critical patent/CN108520628A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • 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
    • G08G1/0125—Traffic data processing
    • G08G1/0133—Traffic data processing for classifying traffic situation
    • G—PHYSICS
    • G08—SIGNALLING
    • 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
    • G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
    • G08G1/0145—Measuring and analyzing of parameters relative to traffic conditions for specific applications for active traffic flow control
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions

Abstract

The invention discloses a kind of methods avoiding non-mandrel roller T-junction mouth congestion, including a kind of system avoiding non-mandrel roller T-junction mouth congestion.The method of the present invention is each congestion detector (D1‑DN) it will detect that the traffic congestion information on trunk roads road passes through each wireless communication module (T1‑TN) be sent to and concentrate wireless communication module (M)；Microprocessor (CPU) judges congestion in road situation by the road traffic congestion information for concentrating wireless communication module (M) to transmit, and controls the display of LED display (LED) on secondary distributor road road；Driver travels according to the display control vehicle of LED display (LED) in secondary distributor road road vehicle.Compared with prior art, the present invention avoids wagon flow on trunk roads road that traffic conflict occurs with left turn traffic on secondary distributor road road, to avoid the expansion of trunk roads road ahead congestion regions from extending to T-junction mouth, lead to non-mandrel roller T-junction mouth congestion, and then intersection efficiency is helped to improve, while reducing the possibility of intersection traffic accidents generation.

Description

A kind of system and method avoiding non-mandrel roller T-junction mouth congestion
Technical field
The present invention relates to field of traffic, and in particular to a kind of system for avoiding non-mandrel roller T-junction mouth congestion and Method.
Background technology
Currently, more T-junction mouth non-mandrel roller, if traffic congestion occurs for section in front of T-junction mouth trunk roads, by In driver's driving quality on secondary distributor road road differ or secondary distributor road road on after driver's seat is obstructed and can not observe left-hand rotation Trunk roads road section traffic information, vehicle can directly turn left into intersection on secondary distributor road road, will on trunk roads road Two type traffic conflicts, i.e. intersection conflict, interflow conflict occur for wagon flow；Due to T-junction mouth non-mandrel roller, vehicle in intersection Traveling is unordered, and traffic congestion region will be caused to expand, extend to intersection, in turn results in intersection and traffic congestion occurs.Such as Fruit can make driver on secondary distributor road road learn trunk roads road section traffic volume congestion information before turning left to enter intersection, in the coast is clear Before forbid vehicle on secondary distributor road road to enter intersection, undoubtedly can avoid traffic congestion region expand so that extends to intersection, The phenomenon that causing intersection traffic congestion occurs, and to improve intersection efficiency, while reducing intersection traffic accidents hair Raw possibility.
Invention content
To solve the above-mentioned problems, the present invention propose a kind of system for avoiding non-mandrel roller T-junction mouth congestion and Method.
The technical solution of present system is a kind of system avoiding non-mandrel roller T-junction mouth congestion, and feature exists In, including：First congestion detector is to N congestion detectors (D1-DN), the first wireless communication module to N wireless communication modules (T1-TN), concentrate wireless communication module (M), microprocessor (CPU), LED display (LED)；
The first congestion detector (D1) and the first wireless communication module (T1), the second congestion detector (D2) and the second wireless communication module (T2) ..., the N congestion detectors (DN) and the N wireless communication modules (TN) connected respectively by conducting wire；The concentration wireless communication module (M) and the first wireless communication module (T1), the collection Middle wireless communication module (M) and the second wireless communication module (T2) ..., the concentration wireless communication module (M) with it is described N wireless communication modules (TN) mode connects by radio communication respectively；The concentration wireless communication module (M), microprocessor Device (CPU), LED display (LED) are sequentially connected in series by conducting wire.
The technical solution of the method for the present invention is a kind of method avoiding non-mandrel roller T-junction mouth congestion, and feature exists In including the following steps：
Step 1：Each congestion detector (D1-DN) will to detect that the traffic congestion information on trunk roads road passes through each wireless Communication module (T1-TN) be sent to and concentrate wireless communication module (M)；
Step 2：Microprocessor (CPU) is judged by the road traffic congestion information for concentrating wireless communication module (M) to transmit Congestion in road situation, and control the display of LED display (LED) on secondary distributor road road；
Step 3：Secondary distributor road road vehicle driver travels according to the display control vehicle of LED display (LED).
Preferably, each congestion detector described in step 1 detects that the traffic congestion information on trunk roads road is distinguished For：
Sta1,Sta2,...,StaN
Wherein, StaiI ∈ [1, N] are the i-th congestion detector (Di) detect traffic congestion information on trunk roads road, StaiIt is expressed as " congestion " or " unimpeded " two states；
Pass through each wireless communication module (T described in step 11-TN) be sent to and concentrate wireless communication module (M) for the i-th congestion Detector (Di) by traffic congestion information StaiIt is sent to the i-th wireless communication module (Ti), the i-th wireless communication module (Ti) will hand over Logical congestion information StaiIt is sent to and concentrates wireless communication module (M), i ∈ [1, N]；
Preferably, traffic congestion information described in step 2, which is judged as that microprocessor (CPU) receives, concentrates radio communication mold The traffic congestion information Sta that block (M) is sent1,Sta2,...,StaN；
If traffic congestion information Sta1,Sta2,...,StaNMiddle state is that the quantity of " congestion " is more than or equal to 1 microprocessor Device (CPU) judges that traffic congestion on trunk roads road, control LED display (LED) show the word of " congestion ahead, no left turn " Sample；
If traffic congestion information Sta1,Sta2,...,StaNMiddle state is that the quantity of " congestion " is 0 microprocessor (CPU) Judge to have a good transport and communication network on trunk roads road, control LED display (LED) shows the printed words of " front is unimpeded, can turn left "；
Preferably, it is if that " congestion ahead is forbidden for LED display (LED) display to control vehicle traveling described in step 3 Then secondary distributor road road vehicle driver controls vehicle and directly turns right or wait left-hand rotation when the printed words of left-hand rotation "；LED display (LED) secondary distributor road road vehicle driver control vehicle enters intersection when the printed words of display " front is unimpeded, can turn left " The normal left-hand rotation of mouth.
Compared with prior art, the present invention is detected in the setting congestion of non-mandrel roller T-junction mouth trunk roads road ahead Device detects upcoming traffic congestion information, and driver left front road information on advance notice secondary distributor road road, secondary to inform Can driver enter intersection on the road of main line, finally avoid traffic congestion region from expanding and then extend to intersection, cause Intersection traffic congestion；After solving non-mandrel roller T-junction mouth trunk roads road ahead section generation traffic congestion, area Domain expands and then extends to the problem of intersection traffic congestion is caused in intersection, improves intersection efficiency, while reducing friendship The possibility that prong traffic accident occurs；And the configuration of the present invention is simple, it is of low cost, it is highly practical.
Description of the drawings
Fig. 1：For the circuit system structure chart of the present invention；
Fig. 2：For flow chart of the method for the present invention；
Fig. 3：The schematic diagram of traffic congestion occurs for section in front of trunk roads；
Fig. 4：Expand the schematic diagram for extending to non-mandrel roller T-junction mouth for traffic congestion region.
Specific implementation mode
Understand for the ease of those of ordinary skill in the art and implement the present invention, with reference to the accompanying drawings and embodiments to this hair It is bright to be described in further detail, it should be understood that implementation example described herein is merely to illustrate and explain the present invention, not For limiting the present invention.
System is a kind of system avoiding non-mandrel roller T-junction mouth congestion in the embodiment of the present invention, which is characterized in that Including：First congestion detector is to N congestion detectors (D1-DN), the first wireless communication module to N wireless communication modules (T1-TN), concentrate wireless communication module (M), microprocessor (CPU), LED display (LED)；
The first congestion detector (D1) and the first wireless communication module (T1), the second congestion detector (D2) and the second wireless communication module (T2) ..., the N congestion detectors (DN) and the N wireless communication modules (TN) connected respectively by conducting wire；The concentration wireless communication module (M) and the first wireless communication module (T1), the collection Middle wireless communication module (M) and the second wireless communication module (T2) ..., the concentration wireless communication module (M) with it is described N wireless communication modules (TN) mode connects by radio communication respectively；The concentration wireless communication module (M), microprocessor Device (CPU), LED display (LED) are sequentially connected in series by conducting wire.
The first congestion detector is to the N congestion detectors (D1-DN) type selecting be BWS-M990+ congestions detection Device；First wireless communication module is to the N wireless communication modules (T1-TN), the concentration wireless communication module (M) choosing Type is 4G wireless communication modules；Microprocessor (CPU) type selecting is microcontroller；The LED display (LED) is TM- PH16-2R1G display screens；Congestion detector, radio communication mold number of blocks are i.e. N=3.
The embodiment of the present invention is discussed in conjunction with Fig. 1-Fig. 4.Step of the embodiment of the present invention is：
Step 1：Each congestion detector (D1-DN) will to detect that the traffic congestion information on trunk roads road passes through each wireless Communication module (T1-TN) be sent to and concentrate wireless communication module (M)；
Each congestion detector described in step 1 detects that the traffic congestion information on trunk roads road is respectively：
Sta1,Sta2,...,StaN
Wherein, StaiI ∈ [1, N] are the i-th congestion detector (Di) detect traffic congestion information on trunk roads road, StaiIt is expressed as " congestion " or " unimpeded " two states；
Pass through each wireless communication module (T described in step 11-TN) be sent to and concentrate wireless communication module (M) for the i-th congestion Detector (Di) by traffic congestion information StaiIt is sent to the i-th wireless communication module (Ti), the i-th wireless communication module (Ti) will hand over Logical congestion information StaiIt is sent to and concentrates wireless communication module (M), i ∈ [1, N]；
Step 2：Microprocessor (CPU) is judged by the road traffic congestion information for concentrating wireless communication module (M) to transmit Congestion in road situation, and control the display of LED display (LED) on secondary distributor road road；
Traffic congestion information described in step 2 is judged as that microprocessor (CPU) receives and wireless communication module (M) is concentrated to send Traffic congestion information Sta1,Sta2,...,StaN；
If traffic congestion information Sta1,Sta2,...,StaNMiddle state is that the quantity of " congestion " is more than or equal to 1 microprocessor Device (CPU) judges that traffic congestion on trunk roads road, control LED display (LED) show the word of " congestion ahead, no left turn " Sample；
If traffic congestion information Sta1,Sta2,...,StaNMiddle state is that the quantity of " congestion " is 0 microprocessor (CPU) Judge to have a good transport and communication network on trunk roads road, control LED display (LED) shows the printed words of " front is unimpeded, can turn left "；
Step 3：Secondary distributor road road vehicle driver travels according to the display control vehicle of LED display (LED).
If it is the word that LED display (LED) shows " congestion ahead, no left turn " to control vehicle traveling described in step 3 Then secondary distributor road road vehicle driver controls vehicle and directly turns right or wait left-hand rotation when sample；LED display (LED) is shown It is normally left to enter intersection for secondary distributor road road vehicle driver control vehicle when the printed words of " front is unimpeded, can turn left " Turn.
As shown in figure 3, R1For secondary distributor road road, R2For trunk roads road, D1-D3It is gathered around for the first congestion detector to third Stifled detector, T1-T3For the first wireless communication module to third wireless communication module, M be concentration wireless communication module, CPU is micro- Processor, LED are LED display；
Secondary distributor road road R1Upper driver enters non-mandrel roller T-junction mouth, it will be noted that LED display, if T-type is handed over Prong trunk roads road R2Front road section traffic volume congestion, the second congestion detector D2It will detect trunk roads road R2On traffic Information module T by radio communication2It is sent to and concentrates wireless communication module M；Microprocessor CPU is by concentrating wireless communication module The Traffic Information of M transmission judges trunk roads road R2Congestion in road, and control secondary distributor road road R1Upper LED display LED is aobvious Show the printed words of " congestion ahead, no left turn ", at this time secondary distributor road road R1On vehicle driver can control vehicle directly turn right Or stop-for-waiting turns left；Avoid secondary distributor road road R1Upper vehicle enters intersection, causes trunk roads road R2Traffic congestion region is expanded It is big to extend to intersection in turn, intersection traffic congestion is caused, and then reduce intersection efficiency, while increasing intersection oral sex Interpreter thus occur possibility.
If T-junction mouth trunk roads road R2Front road section traffic volume is unimpeded or trunk roads road R2Front section congestion phenomenon It is effectively dredged, the second congestion detector D2It will detect trunk roads road R2On traffic information pass through wireless communication module T2It is sent to and concentrates wireless communication module M；The Traffic Information that microprocessor CPU passes through concentration wireless communication module M transmission Judge trunk roads road R2The coast is clear, and control secondary distributor road road R1Upper LED display LED shows that " front is unimpeded, can be left Turn " printed words, secondary distributor road road R at this time1On driver observe intersection traffic condition after, if trunk roads road R2Upper vehicle Have can control vehicle to enter intersection and normally turn left after can interting gap.
Although this specification has more used the first congestion detector to N congestion detectors (D1-DN), it is first wireless Communication module is to N wireless communication modules (T1-TN), concentrate wireless communication module (M), microprocessor (CPU), LED display (LED) terms such as, but the possibility using other terms is not precluded.The use of these items is only for more easily describe The essence of the present invention, is construed as any one of the additional limitations and is all disagreed with spirit of that invention.
It should be understood that the part that this specification does not elaborate belongs to the prior art.
It should be understood that the above-mentioned description for preferred embodiment is more detailed, can not therefore be considered to this The limitation of invention patent protection range, those skilled in the art under the inspiration of the present invention, are not departing from power of the present invention Profit requires under protected ambit, can also make replacement or deformation, each fall within protection scope of the present invention, this hair It is bright range is claimed to be determined by the appended claims.

Claims (5)

1. a kind of system and method avoiding non-mandrel roller T-junction mouth congestion, which is characterized in that including：First congestion is examined Device is surveyed to N congestion detectors (D1-DN), the first wireless communication module to N wireless communication modules (T1-TN), concentrate channel radio Believe module (M), microprocessor (CPU), LED display (LED)；
The first congestion detector (D1) and the first wireless communication module (T1), the second congestion detector (D2) with Second wireless communication module (the T2) ..., the N congestion detectors (DN) and the N wireless communication modules (TN) point It is not connected by conducting wire；The concentration wireless communication module (M) and the first wireless communication module (T1), it is described concentrate it is wireless Communication module (M) and the second wireless communication module (T2) ..., the concentration wireless communication module (M) and the N without Line communication module (TN) mode connects by radio communication respectively；The concentration wireless communication module (M), microprocessor (CPU), LED display (LED) is sequentially connected in series by conducting wire.
2. a kind of carry out avoiding no signal using the system for avoiding non-mandrel roller T-junction mouth congestion described in claim 1 The method for controlling T-junction mouth congestion, which is characterized in that include the following steps：
Step 1：Each congestion detector (D1-DN) it will detect that the traffic congestion information on trunk roads road passes through each wireless communication Module (T1-TN) be sent to and concentrate wireless communication module (M)；
Step 2：Microprocessor (CPU) judges road by the road traffic congestion information for concentrating wireless communication module (M) to transmit Jam situation, and control the display of LED display (LED) on secondary distributor road road；
Step 3：Secondary distributor road road vehicle driver travels according to the display control vehicle of LED display (LED).
3. the method according to claim 2 for avoiding non-mandrel roller T-junction mouth congestion, it is characterised in that：In step 1 Each congestion detector detects that the traffic congestion information on trunk roads road is respectively：
Sta1,Sta2,...,StaN
Wherein, StaiI ∈ [1, N] are the i-th congestion detector (Di) detect traffic congestion information on trunk roads road, Stai It is expressed as " congestion " or " unimpeded " two states；
Pass through each wireless communication module (T described in step 11-TN) be sent to and wireless communication module (M) is concentrated to be detected for the i-th congestion Device (Di) by traffic congestion information StaiIt is sent to the i-th wireless communication module (Ti), the i-th wireless communication module (Ti) gather around traffic Stifled information StaiIt is sent to and concentrates wireless communication module (M), i ∈ [1, N].
4. the method according to claim 2 for avoiding non-mandrel roller T-junction mouth congestion, it is characterised in that：In step 2 The traffic congestion information is judged as that microprocessor (CPU) receives the traffic congestion information for concentrating wireless communication module (M) to send Sta1,Sta2,...,StaN；
If traffic congestion information Sta1,Sta2,...,StaNMiddle state is that the quantity of " congestion " is more than or equal to 1 microprocessor (CPU) judge that traffic congestion on trunk roads road, control LED display (LED) show the word of " congestion ahead, no left turn " Sample；
If traffic congestion information Sta1,Sta2,...,StaNMiddle state is that the quantity of " congestion " is that 0 microprocessor (CPU) judges It has a good transport and communication network on trunk roads road, control LED display (LED) shows the printed words of " front is unimpeded, can turn left ".
5. the method according to claim 2 for avoiding non-mandrel roller T-junction mouth congestion, it is characterised in that：In step 3 Secondary distributor road road when the printed words that if the control vehicle traveling, which is LED display (LED), shows " congestion ahead, no left turn " On vehicle driver control vehicle directly turn right or wait left-hand rotation；" front is unimpeded, can be left for LED display (LED) display Turn " printed words when secondary distributor road road vehicle driver control vehicle and enter intersection and normally turn left.
CN201810322677.5A 2018-04-11 2018-04-11 A kind of system and method avoiding non-mandrel roller T-junction mouth congestion Pending CN108520628A (en)

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CN110021171A (en) * 2019-04-23 2019-07-16 临沂大学 Freeway Conditions localization method, apparatus and system
CN116863721A (en) * 2023-07-24 2023-10-10 武汉理工大学 Continuous flow control method and device for vehicles at T-shaped intersection

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CN116863721B (en) * 2023-07-24 2024-01-23 武汉理工大学 Continuous flow control method and device for vehicles at T-shaped intersection

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