CN106056931A - Traffic signal lamp control method, device and system - Google Patents
Traffic signal lamp control method, device and system Download PDFInfo
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- CN106056931A CN106056931A CN201610635006.5A CN201610635006A CN106056931A CN 106056931 A CN106056931 A CN 106056931A CN 201610635006 A CN201610635006 A CN 201610635006A CN 106056931 A CN106056931 A CN 106056931A
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- G08G1/00—Traffic control systems for road vehicles
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Abstract
The invention provides a traffic signal lamp control method, device and system. The method comprises that S1) before that an external traffic signal lamp displays a green light, an information collector which is arranged in a specific position in advance is used to collect corresponding monitoring information of a vehicle waiting area of the external traffic signal lamp; S2) the monitoring information is parsed to obtain vehicle information of the vehicle waiting area, and a vehicle passing time length corresponding to the external traffic signal lamp is calculated according to the vehicle information; and S3) a green light display time length of the external traffic signal lamp is controlled as the vehicle passing time length. According to technical schemes of the invention, it is ensured that all vehicles in the corresponding vehicle waiting area of the traffic signal lamp can pass the specific position corresponding to the traffic signal lamp during one green-light area, users are prevented from long-time waiting in the waiting area, and user experience can be improved.
Description
Technical Field
The invention relates to the technical field of traffic management, in particular to a method, a device and a system for controlling a traffic signal lamp.
Background
With the continuous development of economy, more and more people choose to ride or drive automobiles in the aspect of traffic travel, and in order to ensure that the automobiles can safely run on a road provided with a crosswalk, traffic lights are generally required to be arranged at the crosswalk.
At present, when the display state of a traffic signal lamp at a crosswalk is controlled, a timing control mode is mainly adopted to control the traffic signal lamp to display a red light, a yellow light and a green light periodically with corresponding fixed time lengths.
However, since the traffic flows required to pass at different time points on the pedestrian crossing are different, when the traffic signal lamp is controlled to display the red light, the yellow light or the green light at corresponding fixed time duration, the waiting time of the vehicle at the pedestrian crossing may be longer, even traffic jam may be caused, and the user experience is poor.
Disclosure of Invention
The embodiment of the invention provides a traffic signal lamp control method, a traffic signal lamp control device and a traffic signal lamp control system, which can improve user experience.
In a first aspect, an embodiment of the present invention provides a traffic signal lamp control method, including:
s1: before an external traffic signal lamp displays a green light, monitoring information of a vehicle waiting area corresponding to the external traffic signal lamp is collected through an information collection device which is preset at a specified place;
s2: analyzing the monitoring information to acquire vehicle information in the vehicle waiting area, and calculating the automobile passing time corresponding to an external traffic signal lamp according to the vehicle information;
s3: and controlling the green light display time of the external traffic signal lamp to be the automobile passing time.
Preferably, the first and second electrodes are formed of a metal,
after the automobile passing time corresponding to the external traffic signal lamp is calculated according to the vehicle information, the method further comprises the following steps: acquiring display information of adjacent external traffic signal lamps adjacent to the external traffic signal lamps and automobile passing time corresponding to the adjacent external traffic signal lamps;
after the controlling the green light display duration of the external traffic signal light to be the automobile passing duration, further comprising: and controlling the red light display time length of the external traffic signal lamp according to the display information of the adjacent external traffic signal lamp and the automobile passing time length corresponding to the adjacent external traffic signal lamp.
Preferably, the first and second electrodes are formed of a metal,
after the automobile passing time length corresponding to the external traffic signal lamp is calculated according to the vehicle information, the method further comprises the following steps: storing the automobile passing time corresponding to the external traffic signal lamp to a pre-constructed distributed storage system;
the obtaining of the automobile passing time corresponding to the adjacent external traffic signal lamp adjacent to the external traffic signal lamp includes: and acquiring the automobile passing time corresponding to the adjacent external traffic signal lamps from a pre-constructed distributed storage system.
Preferably, the first and second electrodes are formed of a metal,
the analyzing the monitoring information to acquire the vehicle information in the vehicle waiting area includes: analyzing the monitoring information to acquire the number of vehicles respectively existing in each traffic lane in the vehicle waiting area;
the calculating the automobile passing time corresponding to the external traffic signal lamp according to the vehicle information comprises the following steps: according to the maximum number of vehicles in the same lane, the automobile passing time corresponding to the external traffic signal lamp is calculated through the following formula:
T＝(n-1)*m/V+n*p/V
the T represents the automobile passing time corresponding to the external traffic signal lamp; n represents the maximum number of vehicles in the same lane; v represents the average running speed of the vehicle; p characterizes the average length of each vehicle; and m represents the following distance.
In a second aspect, an embodiment of the present invention provides a traffic signal lamp control device, including:
the system comprises a computing node, a control node and an information acquisition device which is preset at a specified place; wherein,
the information acquisition device is used for acquiring monitoring information of a vehicle waiting area corresponding to the external traffic signal lamp before the external traffic signal lamp displays a green light;
the computing node is used for analyzing the monitoring information acquired by the information acquisition device to acquire vehicle information in the vehicle waiting area and computing the automobile passing time corresponding to the external traffic signal lamp according to the vehicle information;
and the control node is used for controlling the green light display duration of the external traffic signal lamp to be the automobile passing duration.
Preferably, the first and second electrodes are formed of a metal,
further comprising: the system comprises an acquisition unit, a display unit and a control unit, wherein the acquisition unit is used for acquiring display information of adjacent external traffic signal lamps adjacent to the external traffic signal lamps and automobile passing time corresponding to the adjacent external traffic signal lamps;
and the control node is further used for controlling the red light display duration of the external traffic signal lamp according to the display information of the adjacent external traffic signal lamp and the automobile passing duration corresponding to the adjacent external traffic signal lamp.
Preferably, the first and second electrodes are formed of a metal,
further comprising: the distributed storage system is used for storing the automobile passing time length corresponding to the external traffic signal lamp;
the acquisition unit is used for acquiring the automobile passing time corresponding to the adjacent external traffic signal lamps from the distributed storage system.
Preferably, the first and second electrodes are formed of a metal,
the calculation node is configured to analyze the monitoring information to obtain the number of vehicles respectively existing in each lane in the vehicle waiting area, and calculate the vehicle passing time corresponding to the external traffic signal lamp according to the maximum number of vehicles existing in the same lane by using the following formula:
T＝(n-1)*m/V+n*p/V
the T represents the automobile passing time corresponding to the external traffic signal lamp; n represents the maximum number of vehicles in the same lane; v represents the average running speed of the vehicle; p characterizes the average length of each vehicle; and m represents the following distance.
Preferably, the first and second electrodes are formed of a metal,
the compute node includes at least two child compute nodes;
the information acquisition device comprises at least two information acquisition units;
the at least two sub-computing nodes are connected with the at least two information acquisition units in a one-to-one corresponding manner;
each information acquisition unit is used for acquiring monitoring information of a vehicle waiting area corresponding to one external traffic signal lamp;
each sub-computing node is used for analyzing the monitoring information acquired by the correspondingly connected information acquisition units to acquire corresponding vehicle information, and calculating the automobile passing time corresponding to the corresponding external traffic signal lamp according to the vehicle information.
In a third aspect, an embodiment of the present invention provides a traffic signal lamp control system, including:
at least one traffic light, and a traffic light control apparatus as described in any of the second aspects above; the traffic signal lamp control device is respectively connected with each traffic signal lamp;
and the traffic signal lamp is used for displaying green light under the control of the traffic signal lamp control device, and the green light display time length is the automobile passing time length corresponding to the current traffic signal lamp.
The embodiment of the invention provides a traffic light control method, a device and a system, wherein an information acquisition device is arranged at a specified place (such as a pedestrian crossing), so that before a traffic light at the current specified place displays a green light, the information acquisition device acquires monitoring information of a vehicle waiting area corresponding to the traffic light at the current specified place, the acquired monitoring information is analyzed to acquire vehicle information in the vehicle waiting area, the vehicle passing time length corresponding to the traffic light is calculated according to the vehicle information, namely the time length required when all the vehicles in the vehicle waiting area pass through the current specified place is calculated, the green light display time length of the traffic light is further controlled to be the corresponding vehicle passing time length, the vehicles in the vehicle waiting area can completely pass through the current specified place during one green light period, and a user is prevented from waiting for a long time in the corresponding waiting area, the user experience can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a flowchart of a traffic signal control method according to an embodiment of the present invention;
fig. 2 is a structural diagram of a traffic signal lamp control device according to an embodiment of the present invention;
fig. 3 is a block diagram of another traffic signal control apparatus according to an embodiment of the present invention;
fig. 4 is a block diagram of another traffic signal control apparatus according to an embodiment of the present invention;
fig. 5 is a structural diagram of a traffic signal control apparatus according to still another embodiment of the present invention;
FIG. 6 is a block diagram of a traffic signal control system according to an embodiment of the present invention;
fig. 7 is a flowchart of another traffic light control method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention, and based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a traffic signal lamp control method, which may include the following steps:
s1: before an external traffic signal lamp displays a green light, monitoring information of a vehicle waiting area corresponding to the external traffic signal lamp is collected through an information collection device which is preset at a specified place;
s2: analyzing the monitoring information to acquire vehicle information in the vehicle waiting area, and calculating the automobile passing time corresponding to an external traffic signal lamp according to the vehicle information;
s3: and controlling the green light display time of the external traffic signal lamp to be the automobile passing time.
In the above embodiment of the present invention, an information collecting device is disposed at a designated location (e.g. a pedestrian crossing), so that before a traffic light at the current designated location displays a green light, monitoring information of a vehicle waiting area corresponding to the traffic light at the current designated location is collected by the information collecting device, the collected monitoring information is analyzed to obtain vehicle information in the vehicle waiting area, and a vehicle passing duration corresponding to the traffic light is calculated according to the vehicle information, that is, a duration required when all vehicles in the vehicle waiting area pass through the current designated location is calculated, so as to control the green light display duration of the traffic light to be the corresponding vehicle passing duration, thereby ensuring that all vehicles existing in the vehicle waiting area can pass through the current designated location during one green light period, and avoiding a long-time waiting of a user in the corresponding waiting area, the user experience can be improved.
Further, when the distance between two adjacent designated locations (such as pedestrian crossings) is short or the traffic flow is large, the display states corresponding to two adjacent traffic lights may mutually affect the vehicle passing states of the two corresponding designated locations, so as to avoid that the vehicle continues to wait in the waiting area corresponding to the current traffic light because the current traffic light still displays red when the vehicle travels for a short time after passing through the designated location corresponding to the adjacent traffic light, i.e., arrives at the designated location corresponding to the current traffic light, in a preferred embodiment of the present invention, after calculating the vehicle passing time corresponding to the external traffic light according to the vehicle information, the method further includes: acquiring display information of adjacent external traffic signal lamps adjacent to the external traffic signal lamps and automobile passing time corresponding to the adjacent external traffic signal lamps;
the control outside traffic signal lamp's green light shows that duration is that car is current, further includes: and controlling the red light display time length of the external traffic signal lamp according to the display information of the adjacent external traffic signal lamp and the automobile passing time length corresponding to the adjacent external traffic signal lamp.
For example, when the display information of the adjacent signal lamp includes that the remaining time of the red light state is 5 seconds, the corresponding display time duration of the green light is 15 seconds, and the distance between the specified place corresponding to the adjacent signal lamp and the specified place corresponding to the current signal lamp requires that the vehicle normally runs for about 15 seconds, if the current signal lamp starts to display the green light at the current time point and the display time duration of the green light is 25 seconds, the current traffic signal lamp can be controlled to display the red light after 25 seconds, and the display time duration of the red light is 10 seconds; therefore, when the automobile waiting in the waiting area corresponding to the adjacent traffic signal lamp reaches the waiting area corresponding to the current traffic signal lamp, the automobile can pass through the appointed place corresponding to the current traffic signal lamp without waiting again, and the user experience is further improved; meanwhile, the running automobile can not frequently run in an accelerating way and a decelerating way in a short time, and the occurrence rate of traffic accidents can be reduced.
In a preferred embodiment of the present invention, after the calculating the automobile passing time length corresponding to the external traffic signal lamp according to the vehicle information, the method further includes: storing the automobile passing time corresponding to the external traffic signal lamp to a pre-constructed distributed storage system;
the obtaining of the automobile passing time corresponding to the adjacent external traffic signal lamp adjacent to the external traffic signal lamp includes: and acquiring the automobile passing time corresponding to the adjacent external traffic signal lamps from a pre-constructed distributed storage system.
In the embodiment of the invention, the distributed storage system is adopted to store the automobile passing time lengths respectively corresponding to the traffic signal lamps, so that the centralized management of the automobile passing time lengths respectively corresponding to the traffic signal lamps is realized, and meanwhile, the sharing of the automobile passing time lengths respectively corresponding to the adjacent traffic signal lamps is realized.
In a preferred embodiment of the present invention, the analyzing the monitoring information to obtain the vehicle information in the vehicle waiting area includes: analyzing the monitoring information to acquire the number of vehicles respectively existing in each traffic lane in the vehicle waiting area;
the calculating the automobile passing time corresponding to the external traffic signal lamp according to the vehicle information comprises the following steps: according to the maximum number of vehicles in the same lane, the automobile passing time corresponding to the external traffic signal lamp is calculated through the following formula 1:
T＝(n-1)*m/V+n*p/V (1)
the T represents the automobile passing time corresponding to the external traffic signal lamp; n represents the maximum number of vehicles in the same lane; v represents the average running speed of the vehicle; p characterizes the average length of each vehicle; and m represents the following distance.
In the embodiment of the invention, the video information of the vehicle waiting area corresponding to the traffic signal lamp can be collected through the information collecting device, and the video information is analyzed to obtain the number of vehicles in each traffic lane in the vehicle waiting area; here, when the number of vehicles in the same lane is the largest, the last vehicle in the lane should pass through the designated location corresponding to the current traffic light at the latest, so the vehicle passing time corresponding to the current traffic light can be calculated by using the above formula 1 according to the maximum number of vehicles in the same lane; it should be noted that, when the vehicle passing time length corresponding to the traffic signal lamp is calculated by the above formula 1, the vehicle average running speed V is the average running speed when the vehicle passes through the traffic signal lamp in the corresponding number of test samples, the vehicle average length p is the average length of the vehicles in the corresponding number of test samples, and the inter-vehicle distance n is the average inter-vehicle distance when a plurality of vehicles pass through the traffic signal lamp in the corresponding number of test samples.
As shown in fig. 2, an embodiment of the present invention provides a traffic signal lamp control device, including:
the system comprises a computing node 201, a control node 202 and an information acquisition device 203 which is preset at a specified place; wherein,
the information acquisition device 203 is used for acquiring monitoring information of a vehicle waiting area corresponding to the external traffic signal lamp before the external traffic signal lamp displays a green light;
the computing node 201 is configured to analyze the monitoring information acquired by the information acquisition device 203 to acquire vehicle information in the vehicle waiting area, and calculate an automobile passing time corresponding to an external traffic signal lamp according to the vehicle information;
the control node 202 is configured to control the green light display duration of the external traffic signal lamp to be the vehicle passing duration.
Further, in order to enable the automobile waiting in the waiting area corresponding to the adjacent traffic light to pass through the designated location corresponding to the current traffic light without waiting again when the automobile arrives at the waiting area corresponding to the current traffic light, as shown in fig. 3, a preferred embodiment of the present invention further includes:
an obtaining unit 301, configured to obtain display information of an adjacent external traffic signal lamp adjacent to an external traffic signal lamp and an automobile passing time length corresponding to the adjacent external traffic signal lamp;
the control node 202 is further configured to control the red light display duration of the external traffic signal lamp according to the display information of the adjacent external traffic signal lamp and the automobile passing duration corresponding to the adjacent external traffic signal lamp.
Further, in order to realize centralized management of the vehicle passing time lengths corresponding to the plurality of traffic lights respectively and simultaneously realize sharing of the vehicle passing time lengths corresponding to the adjacent traffic lights respectively, as shown in fig. 3, in a preferred embodiment of the present invention, the method further includes:
the distributed storage system 302 is used for storing automobile passing time corresponding to the external traffic signal lamp;
the obtaining unit 301 is configured to obtain the vehicle passing time length corresponding to the adjacent external traffic signal lamp from the distributed storage system 302.
In a preferred embodiment of the present invention, the computing node 201 is configured to analyze the monitoring information to obtain the number of vehicles respectively existing in each lane in the vehicle waiting area, and calculate the vehicle passing time corresponding to the external traffic signal lamp according to the maximum number of vehicles existing in the same lane by using the following formula 1:
T＝(n-1)*m/V+n*p/V (1)
the T represents the automobile passing time corresponding to the external traffic signal lamp; n represents the maximum number of vehicles in the same lane; v represents the average running speed of the vehicle; p characterizes the average length of each vehicle; and m represents the following distance.
As shown in fig. 4, in a preferred embodiment of the present invention, the computing node 201 includes at least two child computing nodes 2011;
the information acquisition device 203 comprises at least two information acquisition units 2031;
the at least two sub-computing nodes 2011 are connected with the at least two information acquisition units 2031 in a one-to-one correspondence manner;
each information acquisition unit 2031 is configured to acquire monitoring information of a vehicle waiting area corresponding to one external traffic signal lamp;
each of the sub-calculation nodes 2011 is configured to analyze monitoring information acquired by the correspondingly connected information acquisition unit 2031 to acquire corresponding vehicle information, and calculate an automobile passing time corresponding to a corresponding external traffic signal lamp according to the vehicle information.
As shown in fig. 5, an embodiment of the present invention provides a data acquisition apparatus, including: the data acquisition subunit 5011, the data acquisition subunit 5012, the sub-computing nodes 5021 and 5012, the distributed storage system 503, the acquisition unit 504, and the control node 505; the data acquisition subunit 5011 is connected with the sub-computing node 5021, the data acquisition subunit 5012 is connected with the sub-computing node 5012, the sub-computing node 5021 and the sub-computing node 5012 are respectively connected to the distributed storage system 503, and the distributed storage system 503 is connected with the control node 505 through the acquisition unit 504; the control node 505 can be respectively connected with an external traffic signal lamp A and an external traffic signal lamp B, and the data acquisition subunit 5011 and the data acquisition subunit 5012 can be respectively arranged at corresponding designated places to acquire monitoring information of vehicle waiting areas corresponding to the external traffic signal lamp A and the external traffic signal lamp B respectively; the traffic signal lamp A and the traffic signal lamp B can be two adjacent traffic signal lamps on the same road.
As shown in fig. 6, an embodiment of the present invention provides a traffic signal light control system, including:
at least one traffic light 601, and a traffic light control device 602 as described in any of the above embodiments; the traffic signal light control device 602 is connected to each of the traffic signal lights 601;
the traffic signal lamp 601 is configured to display a green light under the control of the traffic signal lamp control device 602, and the display duration of the green light is the vehicle passing duration corresponding to the current traffic signal lamp.
Because the information interaction, execution process, and other contents between the units in the device are based on the same concept as the method embodiment of the present invention, specific contents may refer to the description in the method embodiment of the present invention, and are not described herein again.
As shown in fig. 7, an embodiment of the present invention provides a traffic signal light control method, taking the example of implementing green light and red light for controlling a traffic signal light to display a specific duration in combination with the traffic signal light control device shown in fig. 5, where the method may include the following steps:
in step 701, the information acquisition device subunit 5011 and the information acquisition subunit 5012 are installed in advance at the designated point a and the designated point b, respectively.
In the embodiment of the invention, the information acquisition subunit can be a camera; the designated place a and the designated place B can be places where two adjacent pedestrian crossings are located on the same road, a traffic signal lamp A is installed at the designated place a, and a traffic signal lamp B is installed at the designated place B.
Step 702, before the traffic signal lamp a at the designated place a displays green light, collecting monitoring information of a vehicle waiting area corresponding to the traffic signal lamp a through the information collecting subunit 5011; before the traffic signal lamp B at the designated place B displays a green light, the monitoring information of the vehicle waiting area corresponding to the traffic signal lamp B is collected through the information collecting subunit 5012.
In the embodiment of the invention, the monitoring information can be video information shot by a camera.
Step 603, the sub-computing node 5021 analyzes the monitoring information acquired by the information acquisition subunit 5011 to acquire the number of vehicles in each traffic lane in the vehicle waiting area corresponding to the traffic signal lamp a; the sub-computation node 5022 analyzes the monitoring information collected by the information collection subunit 5012 to obtain the number of vehicles in each traffic lane in the vehicle waiting area corresponding to the traffic signal lamp B.
In the embodiment of the present invention, the monitoring information may be video information, and the monitoring information may be analyzed with respect to corresponding video information to obtain the number of vehicles respectively existing in each traffic lane in a vehicle waiting area corresponding to the video information, specifically, the number of vehicles respectively existing in each traffic lane may identify license plates of automobiles in a current traffic lane through a corresponding algorithm, and the number of license plates that can be identified is used as the number of vehicles existing in the current traffic lane.
Step 604, the sub-computation node 5021 computes the number of vehicles in each traffic lane in the vehicle waiting area corresponding to the traffic signal lamp A, and computes the automobile passing time length corresponding to the traffic signal lamp A; the sub-calculation node 5022 calculates the number of vehicles in each traffic lane in the vehicle waiting area corresponding to the traffic signal lamp B and calculates the vehicle passing time corresponding to the traffic signal lamp B.
In the embodiment of the invention, when the number of vehicles in the same lane is the largest, the last vehicle in the lane should pass through the designated place corresponding to the current traffic signal lamp at the latest, so the passing time of the vehicle corresponding to the traffic signal lamp can be calculated according to the largest number of vehicles in the same lane; specifically, the vehicle passing time corresponding to the traffic signal lamp can be calculated by the following formula 1:
T＝(n-1)*m/V+n*p/V (1)
the T represents the automobile passing time corresponding to the external traffic signal lamp; n represents the maximum number of vehicles in the same lane; v represents the average running speed of the vehicle; p characterizes the average length of each vehicle; and m represents the following distance.
Step 605, the sub-computation node 5021 stores the automobile passing time length corresponding to the traffic signal lamp A in the distributed storage system 503; the sub-computation node 5022 stores the automobile passing time length corresponding to the traffic signal lamp B in the distributed storage system 503.
In step 606, the control node 505 acquires the vehicle passing time lengths corresponding to the traffic signal lamp a and the traffic signal lamp B from the distributed storage system 503 through the acquisition unit 504.
In step 607, the control node 505 controls the green light display duration of the traffic signal lamp a to be the corresponding vehicle passing duration, and controls the green light display duration of the traffic signal lamp B to be the corresponding vehicle passing duration.
In step 608, the control node 505 acquires the display information of the traffic signal light B through the acquisition unit 504.
And step 609, the control node 505 controls the red light display duration of the traffic signal lamp A according to the display information of the traffic signal lamp B and the automobile passing duration corresponding to the traffic signal lamp B.
For example, when the display information of the traffic signal lamp B includes that the remaining time of the red light state is 5 seconds, the corresponding vehicle passing time is 15 seconds, and the distance between the designated location a and the designated location B requires that the vehicle normally travel for about 15 seconds, if the traffic signal lamp a starts to display the green light at the current time point and the green light display time is 25 seconds, the traffic signal lamp a can be controlled to display the red light after 25 seconds, and the red light display time is 10 seconds; therefore, when the automobile waiting in the waiting area corresponding to the traffic signal lamp B reaches the waiting area corresponding to the current traffic signal lamp A, the automobile can pass through the appointed place a corresponding to the current traffic signal lamp A without waiting again, and the user experience is further improved; meanwhile, the running automobile can not frequently run in an accelerating way and a decelerating way in a short time, and the occurrence rate of traffic accidents can be reduced.
In summary, the embodiments of the present invention have at least the following advantages:
1. in one embodiment of the invention, an information acquisition device is arranged at a specified place (such as a pedestrian crossing), so that before a traffic signal lamp at the current specified place displays a green light, the information acquisition device acquires monitoring information of a vehicle waiting area corresponding to the traffic signal lamp at the current specified place, the acquired monitoring information is analyzed to acquire vehicle information in the vehicle waiting area, and the vehicle passing time length corresponding to the traffic signal lamp is calculated according to the vehicle information, namely the time length required when all the vehicles in the vehicle waiting area pass through the current specified place is calculated, so that the green light display time length of the traffic signal lamp is controlled to be the corresponding vehicle passing time length, the vehicles in the vehicle waiting area can be ensured to pass through the current specified place in one green light period, and a user is prevented from waiting for a long time in the corresponding waiting area, the user experience can be improved.
2. In one embodiment of the invention, the distributed storage system is used for storing the automobile passing time length corresponding to each traffic signal lamp, so that the centralized management of the automobile passing time lengths corresponding to the traffic signal lamps is realized, and the sharing of the automobile passing time lengths corresponding to the adjacent traffic signal lamps is realized.
3. In one embodiment of the invention, the red light display duration of the external traffic signal lamp is controlled according to the display information of the adjacent external traffic signal lamp and the automobile passing duration corresponding to the adjacent external traffic signal lamp, so that when an automobile waiting in the waiting area corresponding to the adjacent traffic signal lamp reaches the waiting area corresponding to the current traffic signal lamp, the automobile can pass through the appointed place corresponding to the current traffic signal lamp without waiting again, and the user experience is further improved; meanwhile, the running automobile can not frequently run in an accelerating way and a decelerating way in a short time, and the occurrence rate of traffic accidents can be reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the inclusion of an element by the phrase "comprising a" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.
Those of ordinary skill in the art will understand that: all or part of the steps for realizing the method embodiments can be completed by hardware related to program instructions, the program can be stored in a computer readable storage medium, and the program executes the steps comprising the method embodiments when executed; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A traffic signal light control method, comprising:
before an external traffic signal lamp displays a green light, monitoring information of a vehicle waiting area corresponding to the external traffic signal lamp is collected through an information collection device which is preset at a specified place;
analyzing the monitoring information to acquire vehicle information in the vehicle waiting area, and calculating the automobile passing time corresponding to an external traffic signal lamp according to the vehicle information;
and controlling the green light display time of the external traffic signal lamp to be the automobile passing time.
2. The traffic signal control method according to claim 1,
after the automobile passing time corresponding to the external traffic signal lamp is calculated according to the vehicle information, the method further comprises the following steps: acquiring display information of adjacent external traffic signal lamps adjacent to the external traffic signal lamps and automobile passing time corresponding to the adjacent external traffic signal lamps;
after the controlling the green light display duration of the external traffic signal light to be the automobile passing duration, further comprising: and controlling the red light display time length of the external traffic signal lamp according to the display information of the adjacent external traffic signal lamp and the automobile passing time length corresponding to the adjacent external traffic signal lamp.
3. The traffic signal control method according to claim 2,
after the automobile passing time length corresponding to the external traffic signal lamp is calculated according to the vehicle information, the method further comprises the following steps: storing the automobile passing time corresponding to the external traffic signal lamp to a pre-constructed distributed storage system;
the obtaining of the automobile passing time corresponding to the adjacent external traffic signal lamp adjacent to the external traffic signal lamp includes: and acquiring the automobile passing time corresponding to the adjacent external traffic signal lamps from a pre-constructed distributed storage system.
4. The traffic signal control method according to any one of claims 1 to 3,
the analyzing the monitoring information to acquire the vehicle information in the vehicle waiting area includes: analyzing the monitoring information to acquire the number of vehicles respectively existing in each traffic lane in the vehicle waiting area;
the calculating the automobile passing time corresponding to the external traffic signal lamp according to the vehicle information comprises the following steps: according to the maximum number of vehicles in the same lane, the automobile passing time corresponding to the external traffic signal lamp is calculated through the following formula:
T＝(n-1)*m/V+n*p/V
the T represents the automobile passing time corresponding to the external traffic signal lamp; n represents the maximum number of vehicles in the same lane; v represents the average running speed of the vehicle; p characterizes the average length of each vehicle; and m represents the following distance.
5. A traffic signal control apparatus, comprising:
the system comprises a computing node, a control node and an information acquisition device which is preset at a specified place; wherein,
the information acquisition device is used for acquiring monitoring information of a vehicle waiting area corresponding to the external traffic signal lamp before the external traffic signal lamp displays a green light;
the computing node is used for analyzing the monitoring information acquired by the information acquisition device to acquire vehicle information in the vehicle waiting area and computing the automobile passing time corresponding to the external traffic signal lamp according to the vehicle information;
and the control node is used for controlling the green light display duration of the external traffic signal lamp to be the automobile passing duration.
6. The traffic signal control apparatus according to claim 5, further comprising:
the system comprises an acquisition unit, a display unit and a control unit, wherein the acquisition unit is used for acquiring display information of adjacent external traffic signal lamps adjacent to the external traffic signal lamps and automobile passing time corresponding to the adjacent external traffic signal lamps;
and the control node is further used for controlling the red light display duration of the external traffic signal lamp according to the display information of the adjacent external traffic signal lamp and the automobile passing duration corresponding to the adjacent external traffic signal lamp.
7. The traffic signal control apparatus according to claim 6, further comprising:
the distributed storage system is used for storing the automobile passing time length corresponding to the external traffic signal lamp;
the acquisition unit is used for acquiring the automobile passing time corresponding to the adjacent external traffic signal lamps from the distributed storage system.
8. The traffic signal control apparatus according to any one of claims 5 to 7,
the calculation node is configured to analyze the monitoring information to obtain the number of vehicles respectively existing in each lane in the vehicle waiting area, and calculate the vehicle passing time corresponding to the external traffic signal lamp according to the maximum number of vehicles existing in the same lane by using the following formula:
T＝(n-1)*m/V+n*p/V
the T represents the automobile passing time corresponding to the external traffic signal lamp; n represents the maximum number of vehicles in the same lane; v represents the average running speed of the vehicle; p characterizes the average length of each vehicle; and m represents the following distance.
9. The traffic signal control apparatus of claim 5,
the compute node includes at least two child compute nodes;
the information acquisition device comprises at least two information acquisition units;
the at least two sub-computing nodes are connected with the at least two information acquisition units in a one-to-one corresponding manner;
each information acquisition unit is used for acquiring monitoring information of a vehicle waiting area corresponding to one external traffic signal lamp;
each sub-computing node is used for analyzing the monitoring information acquired by the correspondingly connected information acquisition units to acquire corresponding vehicle information, and calculating the automobile passing time corresponding to the corresponding external traffic signal lamp according to the vehicle information.
10. A traffic signal control system, comprising:
at least one traffic light, and a traffic light control apparatus as claimed in any one of the preceding claims 5 to 9; the traffic signal lamp control device is respectively connected with each traffic signal lamp;
and the traffic signal lamp is used for displaying green light under the control of the traffic signal lamp control device, and the green light display time length is the automobile passing time length corresponding to the current traffic signal lamp.
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| CN201610635006.5A CN106056931A (en) | 2016-08-04 | 2016-08-04 | Traffic signal lamp control method, device and system |
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| CN201610635006.5A CN106056931A (en) | 2016-08-04 | 2016-08-04 | Traffic signal lamp control method, device and system |
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