CN115116268B - Rural traffic early warning method and system - Google Patents
Rural traffic early warning method and system Download PDFInfo
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- CN115116268B CN115116268B CN202210659549.6A CN202210659549A CN115116268B CN 115116268 B CN115116268 B CN 115116268B CN 202210659549 A CN202210659549 A CN 202210659549A CN 115116268 B CN115116268 B CN 115116268B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 238000004891 communication Methods 0.000 claims description 15
- 238000010191 image analysis Methods 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
-
- 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
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
-
- 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
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
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- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a rural traffic early warning method and system, wherein the method comprises the following steps: s1, calculating the time when the vehicle is expected to enter the intersection and the time when the vehicle is expected to exit the intersection, determining a first buffer time and a second buffer time according to the type of the vehicle, and calculating the corrected time T when the vehicle is expected to enter the intersection 1 And the time T of the predicted departure from the intersection 2 The method comprises the steps of carrying out a first treatment on the surface of the S2, receiving the mobile information sent by all the mobile signal receiving and transmitting mechanisms within the preset range of the intersection; s3, selecting all the mobile signal receiving and transmitting mechanisms moving towards the intersection, and calculating the time T when the mobile signal receiving and transmitting mechanisms are expected to enter the intersection 3 And the time T when the intersection is expected to be left 4 The method comprises the steps of carrying out a first treatment on the surface of the S4, when [ T ] 1 ，T 2 ]And [ T ] 3 ，T 4 ]When the intersection of the mobile signal transceiver is not empty, alarm information is sent to the mobile signal transceiver. The invention provides a rural traffic early warning method and system, which are used for improving traffic safety at intersections in rural villages.
Description
Technical Field
The invention relates to the field of traffic early warning. More particularly, the invention relates to a rural traffic early warning method and system.
Background
At the intersections of rural highways, because of the intensive building construction of rural common houses, the sight of drivers at many intersections is poor, the situation of other entrances is difficult to observe, the old moves too slowly, and the probability of occurrence of traffic accidents is increased when children suddenly run out.
Disclosure of Invention
The invention aims to solve the problems and provides a rural traffic early warning method and system so as to improve traffic safety at intersections in rural villages.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a rural traffic early warning method comprising the steps of:
s1, when a fixed information acquisition mechanism at any entrance of an intersection acquires that a vehicle moves towards the intersection, receiving vehicle information sent by the fixed information acquisition mechanism at the entrance, wherein the vehicle information comprises the type of the vehicle and the speed of time when the vehicle passes through the fixed information acquisition mechanism, and calculating the time t when the vehicle is expected to enter the intersection 1 And the time t when the intersection is expected to be driven out 2 And determines a first buffer time DeltaT according to the type of the vehicle 1 And a second buffering time DeltaT 2 Calculating the estimated time T of the corrected vehicle entering the intersection 1 And the time T of the predicted departure from the intersection 2 Wherein:
T 1 ＝t 1 -ΔT 1
T 2 ＝t 2 +ΔT 2
s2, receiving movement information sent by all movement signal receiving and transmitting mechanisms in a preset range of an intersection, wherein the movement information comprises the position, the movement direction and the movement speed of the movement signal receiving and transmitting mechanisms;
s3, selecting all the mobile signal receiving and transmitting mechanisms moving towards the intersection, and calculating the time T when the mobile signal receiving and transmitting mechanisms are expected to enter the intersection 3 And a time T at which the intersection is expected to be left 4 ；
S4, when [ T ] 1 ，T 2 ]And [ T ] 3 ，T 4 ]And when the intersection of the mobile signal receiving and transmitting mechanism is not empty, sending alarm information to the mobile signal receiving and transmitting mechanism.
Preferably, in the rural traffic early warning method, the warning information includes passable, quick communication and passable, and S4:
if T 4 At T 1 Before, sending communication information to the mobile signal receiving and transmitting mechanism;
if T 3 At T 1 Previously, and T 4 At T 1 And t 1 To the mobile signal receiving and transmitting mechanismTransmitting information of quick communication;
and at other moments, transmitting traffic-forbidden information to the mobile signal transmitting and receiving mechanism.
Preferably, in the rural traffic early warning method, in [ T ] 1 ，T 2 ]And in the time period, sending signals to the indicator lights at each entrance of the intersection to start flashing.
Preferably, the rural traffic early warning method further comprises:
s5, repeating S1 when the fixed information acquisition mechanism at any at least two entrance positions of the intersection acquires that the vehicle moves towards the intersection, and acquiring t of the vehicle at each entrance position 1 And t 2 When [ t ] of any two vehicles 1 ，t 2 ]When the intersection of the two is not empty, a signal is sent to the indicator lights at each entrance of the intersection, so that the intersection starts to flash.
The invention also provides a rural traffic early warning system which comprises a controller, a plurality of fixed information acquisition mechanisms and a plurality of mobile signal receiving and transmitting mechanisms, wherein the fixed information acquisition mechanisms and the mobile signal receiving and transmitting mechanisms are electrically connected with the controller, and any entrance of an intersection is provided with the fixed information acquisition mechanisms.
Preferably, in the rural traffic early warning system, the fixed information acquisition mechanism comprises a camera module, a speed measuring module and an image analysis module, wherein the camera module, the speed measuring module and the image analysis module are respectively and electrically connected with the controller.
Preferably, in the rural traffic early warning system, an indicator light is arranged at any entrance of the intersection, and the indicator light is electrically connected with the controller.
Preferably, in the rural traffic early warning system, the controller is in communication connection with the server or the client through the wireless communication module.
The rural traffic early warning method of the invention predicts the time of entering and leaving the intersection by monitoring the vehicles entering the intersection, monitors the movement information of pedestrians within a certain range of the intersection, detects the pedestrians possibly entering the intersection within the predicted time period and sends alarm information to the pedestrians.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a rural traffic early warning system according to the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
It should be noted that, in the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The embodiment of the invention provides a rural traffic early warning method, which comprises the following steps:
s1, setting a fixed information acquisition mechanism at any entrance of an intersection, when the fixed information acquisition mechanism at any entrance of the intersection acquires that a vehicle moves towards the intersection, receiving vehicle information sent by the fixed information acquisition mechanism at the entrance, wherein the vehicle information comprises the type of the vehicle and the time speed when the vehicle passes through the fixed information acquisition mechanism, and calculating the time t when the vehicle is expected to enter the intersection 1 And the time t when the intersection is expected to be driven out 2 And determines a first buffer time DeltaT according to the type of the vehicle 1 And a second buffering time DeltaT 2 Calculating the estimated time T of the corrected vehicle entering the intersection 1 And the time T of the predicted departure from the intersection 2 Wherein:
T 1 ＝t 1 -ΔT 1
T 2 ＝t 2 +ΔT 2
s2, the old and children living in a certain range of the intersection are provided with a mobile signal receiving and transmitting mechanism, the mobile signal receiving and transmitting mechanism can use a bracelet to receive mobile information sent by all the mobile signal receiving and transmitting mechanisms in a preset range of the intersection, and the mobile information comprises the position, the mobile direction and the mobile speed of the mobile signal receiving and transmitting mechanism;
s3, selecting all the mobile signal receiving and transmitting mechanisms moving towards the intersection, and calculating the time T when the mobile signal receiving and transmitting mechanisms are expected to enter the intersection 3 And a time T at which the intersection is expected to be left 4 ；
S4, when [ T ] 1 ，T 2 ]And [ T ] 3 ，T 4 ]And when the intersection of the mobile signal receiving and transmitting mechanism is not empty, sending alarm information to the mobile signal receiving and transmitting mechanism.
In the above embodiment, the time required for the vehicle to enter the intersection from the fixed information collection mechanism is estimated by the fixed information collection mechanism collecting the time when the vehicle to enter the intersection passes through the fixed information collection mechanism, and the first buffer time Δt is determined by the type of the vehicle 1 And a second buffering time DeltaT 2 First buffer time DeltaT of vehicle with rapid acceleration such as car 1 The longer. Then, the corrected time T when the vehicle is expected to enter the intersection is obtained 1 And the time T of the predicted departure from the intersection 2 Then searching the mobile signal receiving and transmitting mechanisms within the preset range of the intersection, and calculating the time T when each mobile signal receiving and transmitting mechanism is expected to enter the intersection 3 And the time T when the intersection is expected to be left 4 When [ T ] 1 ，T 2 ]And [ T ] 3 ，T 4 ]When the intersection of the mobile signal transceiver is not empty, alarm information is sent to the mobile signal transceiver.
Preferably, in the rural traffic early warning method, the warning information includes passable, quick communication and passable, and S4:
if T 4 At T 1 Before, sending communication information to the mobile signal receiving and transmitting mechanism;
if T 3 At T 1 Previously, and T 4 At T 1 And t 1 Transmitting the information of quick communication to the mobile signal receiving and transmitting mechanism;
and at other moments, transmitting traffic-forbidden information to the mobile signal transmitting and receiving mechanism.
In the above embodiment, if T, in order to prevent the waiting time of pedestrians at the intersection from being too long 4 At T 1 Before, sending communication information to the mobile signal receiving and transmitting mechanism; if T 3 At T 1 Previously, and T 4 At T 1 And t 1 And sending the information of quick communication to the mobile signal receiving and transmitting mechanism.
Preferably, in the rural traffic early warning method, in [ T ] 1 ，T 2 ]And in the time period, sending signals to the indicator lights at each entrance of the intersection to start flashing.
In the above embodiment, the pedestrian is further reminded by flashing the indicator lights at each entrance of the intersection immediately before the vehicle enters and exits the intersection.
Preferably, the rural traffic early warning method further comprises:
s5, repeating S1 when the fixed information acquisition mechanism at any at least two entrance positions of the intersection acquires that the vehicle moves towards the intersection, and acquiring t of the vehicle at each entrance position 1 And t 2 When [ t ] of any two vehicles 1 ，t 2 ]When the intersection of the two is not empty, a signal is sent to the indicator lights at each entrance of the intersection, so that the intersection starts to flash.
In the above embodiment, in order to prevent collision of vehicles at the same time, vehicles which may enter an intersection at the same time or stay in the intersection for which time is coincident are monitored, and at [ t ] of any two vehicles 1 ，t 2 ]When the intersection of (a) is not empty, indicating to each entrance of the intersectionThe lamp sends a signal to start flashing, and the driver is reminded.
As shown in fig. 1, the invention also provides a rural traffic early warning system, which comprises a controller, a plurality of fixed information acquisition mechanisms and a plurality of mobile signal receiving and transmitting mechanisms, wherein the fixed information acquisition mechanisms and the mobile signal receiving and transmitting mechanisms are electrically connected with the controller, and any entrance of an intersection is provided with the fixed information acquisition mechanisms. The fixed information acquisition mechanism comprises a camera module, a speed measuring module and an image analysis module, wherein the camera module, the speed measuring module and the image analysis module are respectively and electrically connected with the controller. And an indicator lamp is arranged at any entrance of the intersection, and the indicator lamp is electrically connected with the controller. The controller is in communication connection with the server or the client through the wireless communication module.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown, it is well suited to various fields of use for which the invention is suited, and further modifications may be readily made by one skilled in the art, and the invention is therefore not to be limited to the particular details and examples shown and described herein, without departing from the general concepts defined by the claims and the equivalents thereof.
Claims (7)
1. The rural traffic early warning method is characterized by comprising the following steps of:
s1, when a fixed information acquisition mechanism at any entrance of an intersection acquires that a vehicle moves towards the intersection, receiving vehicle information sent by the fixed information acquisition mechanism at the entrance, wherein the vehicle information comprises the type of the vehicle and the speed of time when the vehicle passes through the fixed information acquisition mechanism, and calculating the time t when the vehicle is expected to enter the intersection 1 And the time t when the intersection is expected to be driven out 2 And determines a first buffer time DeltaT according to the type of the vehicle 1 And a second buffering time DeltaT 2 Calculating the estimated time T of the corrected vehicle entering the intersection 1 And the time T of the predicted departure from the intersection 2 Wherein:
T 1 ＝t 1 -ΔT 1
T 2 ＝t 2 +ΔT 2
s2, receiving movement information sent by all movement signal receiving and transmitting mechanisms in a preset range of an intersection, wherein the movement information comprises the position, the movement direction and the movement speed of the movement signal receiving and transmitting mechanisms;
s3, selecting all the mobile signal receiving and transmitting mechanisms moving towards the intersection, and calculating the time T when the mobile signal receiving and transmitting mechanisms are expected to enter the intersection 3 And a time T at which the intersection is expected to be left 4 ；
S4, when [ T ] 1 ，T 2 ]And [ T ] 3 ，T 4 ]When the intersection of the mobile signal receiving and transmitting mechanism is not empty, sending alarm information to the mobile signal receiving and transmitting mechanism;
wherein, if T 4 At T 1 Before, sending communication information to the mobile signal receiving and transmitting mechanism;
if T 3 At T 1 Previously, and T 4 At T 1 And t 1 Transmitting the information of quick communication to the mobile signal receiving and transmitting mechanism;
and at other moments, transmitting traffic-forbidden information to the mobile signal transmitting and receiving mechanism.
2. The rural traffic warning method according to claim 1, wherein in [ T 1 ，T 2 ]And in the time period, sending signals to the indicator lights at each entrance of the intersection to start flashing.
3. The rural traffic warning method according to claim 1, further comprising:
s5, repeating S1 when the fixed information acquisition mechanism at any at least two entrance positions of the intersection acquires that the vehicle moves towards the intersection, and acquiring t of the vehicle at each entrance position 1 And t 2 When [ t ] of any two vehicles 1 ，t 2 ]When the intersection of the two is not empty, the signal is sent to the indicator lights at each entrance of the intersection to start flashing。
4. A rural traffic early warning system adopting the rural traffic early warning method according to any one of claims 1-3, which is characterized by comprising a controller, a plurality of fixed information acquisition mechanisms and a plurality of mobile signal receiving and transmitting mechanisms which are electrically connected with the controller, wherein the fixed information acquisition mechanisms are arranged at any entrance of an intersection.
5. The rural traffic early warning system according to claim 4, wherein the fixed information acquisition mechanism comprises a camera module, a speed measurement module and an image analysis module, and the camera module, the speed measurement module and the image analysis module are respectively and electrically connected with the controller.
6. The rural traffic early warning system according to claim 4, wherein an indicator light is arranged at any entrance of the intersection, and the indicator light is electrically connected with the controller.
7. The rural traffic warning system according to claim 4, wherein the controller is communicatively connected to the server or the client via a wireless communication module.
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| CN202210659549.6A CN115116268B (en) | 2022-06-13 | 2022-06-13 | Rural traffic early warning method and system |
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| CN202210659549.6A CN115116268B (en) | 2022-06-13 | 2022-06-13 | Rural traffic early warning method and system |
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| CN115116268B true CN115116268B (en) | 2023-11-17 |
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