CN114038217B - Traffic signal configuration and control method - Google Patents
Traffic signal configuration and control method Download PDFInfo
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- CN114038217B CN114038217B CN202111261067.7A CN202111261067A CN114038217B CN 114038217 B CN114038217 B CN 114038217B CN 202111261067 A CN202111261067 A CN 202111261067A CN 114038217 B CN114038217 B CN 114038217B
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Abstract
The application discloses a traffic signal configuration and control method, which comprises the following steps: in the arranged intersections, a certain number of road categories are used, the roads with the same number as the road categories and the phases arranged on the roads are respectively included in each intersection, and the sequence of the phase sequences is arranged and generalized according to the road category to which each phase belongs. By using the traffic signal configuration and management method provided by the application, the phase of any road in the intersection and the configuration in the road are orderly and easy to manage. The phase on any road at the intersection is simply, orderly and easily managed in the signal period.
Description
Technical Field
The application relates to the field of traffic signal control, in particular to a traffic signal configuration and control method.
Background
With the rapid development of cities, the challenges and pressures of road traffic are also increasing, traffic jam becomes one of the problems that people have to face in life, and sustainable development of cities is hindered. Because the types of road intersections in intersections are different, the timing sequence of the traffic light signal period is also different, and the configuration of the phase sequence in the signal period is also disordered, the intelligent and integrated management of the traffic light is difficult even though the control of the existing computer software and hardware is adopted. And the running state of the traffic signal lamp is difficult to monitor and control, so that pedestrians and vehicles cannot adjust the speed according to the green light signal period, and the traffic efficiency of traffic flow in the green light signal period is affected. In the prior art, the change of the traffic signal lamp is mainly identified by adopting a camera and a V2X technology, the camera can only identify in real time and is affected by the change of light, the distance and weather, and the identification accuracy is not high; the V2X technology has high requirement on network communication capability, and can only realize tracking and control of traffic lights in intersections in a small range. Therefore, the phase operation and control in the traffic signal lamp can be more easily mastered, the problem to be solved by current urban traffic managers and researchers is solved, and a solid foundation can be laid for constructing intelligent traffic cities and Internet of vehicles.
Disclosure of Invention
The application aims to: the application aims to overcome the defects and shortcomings of the prior art and provide a traffic signal configuration and control method which is used for uniformly inducing and configuring the roads and the phases on the roads in intersections, so that the roads and the phases on the roads are orderly and easy to manage. And managing and configuring the signal period in the intersection, and grasping the running sequence of the phases on each road in the signal period.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme adopted by the application is as follows:
in a first aspect, the present application provides a method of traffic signal configuration and control, the method comprising:
in the arranged intersections, a certain number of road categories are used, the roads with the same number as the road categories and the phases arranged on the roads are respectively included in each intersection, and the sequence of the phase sequences is arranged and generalized according to the road category to which each phase belongs.
Further, the road category includes: at least one category and/or a combination of more than one category such as coordinate axis, direction, angle, characters, symbols, graphics, letters, numbers and the like is used as a road category;
further, the step of respectively summarizing the roads and the phases disposed on the roads, which are the same as the number of the road categories, included in each intersection includes: two or more road categories are used for respectively inducing two or more crossed roads with the same quantity as the road categories in each intersection, and each road category corresponds to one crossed road in the inducing intersection;
further, the step of respectively summarizing the roads and the phases disposed on the roads, which are the same as the number of the road categories, included in each intersection includes: and classifying each crossed road at least according to the azimuth angle of the road, the included angle between the road and the coordinate axis, the name of the road, the number of the road and the characteristics of more than one road in the direction of the road, and respectively inducing the crossed roads into one road class.
Further, the step of respectively summarizing the roads and the phases disposed on the roads, which are the same as the number of the road categories, included in each intersection includes: the unifying the phase positions configured on the roads with the same number as the road categories in each intersection comprises the following steps: in each plane intersection of the types of T-shape, Y-shape, cross-shape, X-shape, staggered cross-shape, staggered X-shape and the like, selecting a road category configured by taking coordinate axis X of north direction and coordinate axis Y of Fang Xiangdong as reference, and respectively summarizing two crossed roads in the intersection, the mode of carrying out summarization at least comprises one of the following modes according to at least the characteristics of included angles between the roads and the coordinate axes: firstly, when the included angle between one road and one coordinate axis is smaller than 45 degrees and the included angle between the other road and the other coordinate axis is smaller than 45 degrees, respectively classifying each road into one coordinate axis with the included angle smaller than 45 degrees and the road category to which the coordinate axis belongs; secondly, when the included angles between two crossed roads and the same coordinate axis are within 45 degrees and are different, firstly selecting one road with the smallest included angle with the coordinate axis to be summarized in the coordinate axis with the smallest included angle and the road category to which the coordinate axis belongs, and secondly, summarizing the other road in the other coordinate axis and the road category to which the coordinate axis belongs; thirdly, when the included angle between two crossed roads and the same coordinate axis is equal and within 45 degrees, the two roads are respectively classified into two road categories which are configured by taking the coordinate axes X and Y as the reference according to the direction, the name or the number characteristics of the roads.
Further, the step of respectively summarizing the roads and the phases disposed on the roads, which are the same as the number of the road categories, included in each intersection includes: in a plane intersection of five or six intersections formed by intersecting three roads, when the three intersecting roads are respectively classified into three different road categories according to at least the characteristics of the included angles between the roads and the coordinate axes, the executing induction mode at least comprises one of the following modes: firstly, when the included angles between any two roads and the coordinate axes X or Y are unequal, respectively selecting two roads with the smallest included angles between the two roads and the coordinate axes X or Y, respectively inducing the roads into the coordinate axes X or Y with the smallest included angles, inducing the roads into the road category to which the coordinate axes belong, and inducing the rest of the roads into a third road category; secondly, when the included angles between any two roads and the coordinate axes X or Y are respectively equal, firstly, selecting one road which is different from the included angles between the coordinate axes X or Y corresponding to other roads respectively, inducing the road into the coordinate axis X or Y with the smallest included angle, inducing the road into the road category to which the coordinate axes belong, and secondly, inducing the other two roads into the other two road categories respectively according to the direction, the name or the number of the road.
Further, the step of respectively summarizing the roads and the phases disposed on the roads, which are the same as the number of the road categories, included in each intersection includes: in the signal period of the intersection and the arrangement thereof, each phase arranged on the road is correspondingly summarized in the road category to which the road belongs according to the road category to which each road in the intersection belongs.
Further, the configuring and generalizing the sequence of the phase sequences according to the road category to which each phase belongs includes: in the phase sequence of the signal period, more than one continuous ordered phases in the same road class are respectively summarized into a sequence group, the sequential order of each sequence group in the phase sequence is used as the sequence of the phase sequence group combination, and the phase sequences are managed according to the sequence of the sequence group combination.
Further, the configuring and generalizing the sequence of the phase sequences according to the road category to which each phase belongs includes: when the signal period phase sequences are respectively configured in more than two intersections with the same number of road categories, the phase sequence groups are ordered and configured according to the sequence of the same sequence group combination according to the road category to which the phase belongs.
In a second aspect, an embodiment of the present application further provides a computer apparatus, including: a memory for storing non-transitory computer readable instructions; and a processor for executing the computer readable instructions, causing the processor to perform the method of traffic signal configuration and control as described in any one of the above.
In a third aspect, embodiments of the present application also provide a non-transitory computer-readable storage medium storing computer instructions for causing the computer to perform a method of traffic signal configuration and control as described in any one of the above.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
the application makes the phase change of any road at the intersection and the phase change of the road simple, orderly and easy to manage by carrying out unified induction management on each road at the intersection and unified ordering and configuration on the phase sequences in the signal period. The phase on any road at the intersection is simply, orderly and easily managed in the signal period.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic diagram of classifying roads in different types of intersections into road categories respectively according to an embodiment of the present application;
FIG. 2 is a schematic diagram of classifying five or six intersecting roads into road categories according to an embodiment of the present application;
FIG. 3 is a schematic phase diagram of an intersection road configuration according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a sequence ordering of phase sequence groups and sequence group combinations in a signal period provided by an embodiment of the present application;
fig. 5 is a schematic structural diagram of a computer device according to an embodiment of the present application.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments are intended to be illustrative of the present application and should not be construed as limiting the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In order to illustrate the above technical solution of the present application, the method for configuring and controlling traffic signals provided by the present application includes: in the arranged intersections, a certain number of road categories are used, the roads with the same number as the road categories and the phases arranged on the roads are respectively included in each intersection, and the sequence of the phase sequences is arranged and generalized according to the road category to which each phase belongs.
The road category in this embodiment includes: at least one of the categories and/or a combination of more than one of the categories of coordinate axes, directions, angles, words, symbols, graphics, letters and numbers.
In this embodiment, the step of respectively summarizing the phases configured on the roads having the same number of road categories as the road category included in each intersection includes: two or more road categories are used, two or more crossed roads with the same number as the road categories are included in each intersection, and each road category corresponds to one crossed road in the intersection.
In this embodiment, the step of respectively summarizing the phases configured on the roads having the same number of road categories as the road category included in each intersection includes: and classifying each crossed road at least according to the azimuth angle of the road, the included angle between the road and the coordinate axis, the name of the road, the number of the road and the characteristics of more than one road in the direction of the road, and respectively inducing the crossed roads into one road class.
In this embodiment, the included angle between the road and the coordinate axis is the minimum positive angle formed by the intersection of the road and the coordinate axis; the azimuth angle of the road means the angle from the north end of the standard direction to the road in the clockwise direction, and the angle can be 0-360 degrees. The azimuth definition includes the true meridian as a standard direction, i.e., the position angle from the true meridian is called the true azimuth; the position angle calculated from the noon of the magnet is called the magnetic azimuth angle; the construction measurement uses the longitudinal axis (north-south axis) of a plane rectangular coordinate system as a standard direction, called a coordinate azimuth angle; the acute angle from the north or south end of the longitudinal axis of the coordinate, clockwise or counterclockwise, to the road straight is called the quadrant angle of the coordinate.
As shown in the example of fig. 1, in each plane intersection of the types of T-shape, Y-shape, cross-shape, X-shape, staggered cross-shape, etc., N is north direction, two road categories of coordinate axis X configuring north direction and coordinate axis Y configuring north direction Fang Xiangdong are respectively summarized for each road intersecting, and each road is respectively summarized in a different road category according to the characteristics of the road.
In this embodiment, the step of respectively summarizing the phases configured on the roads having the same number of road categories as the road category included in each intersection includes: in each plane intersection of the types of T-shape, Y-shape, cross-shape, X-shape, staggered cross-shape, staggered X-shape and the like, selecting a road category configured by taking coordinate axis X of north direction and coordinate axis Y of Fang Xiangdong as reference, and respectively summarizing two crossed roads in the intersection, the mode of carrying out summarization at least comprises one of the following modes according to at least the characteristics of included angles between the roads and the coordinate axes: firstly, when the included angle between one road and one coordinate axis is smaller than 45 degrees and the included angle between the other road and the other coordinate axis is smaller than 45 degrees, respectively classifying each road into one coordinate axis with the included angle smaller than 45 degrees and the road category to which the coordinate axis belongs; secondly, when the included angles between two crossed roads and the same coordinate axis are within 45 degrees and are different, firstly selecting one road with the smallest included angle with the coordinate axis to be summarized in the coordinate axis with the smallest included angle and the road category to which the coordinate axis belongs, and secondly, summarizing the other road in the other coordinate axis and the road category to which the coordinate axis belongs; thirdly, when the included angle between two crossed roads and the same coordinate axis is equal and within 45 degrees, the two roads are respectively classified into two road categories which are configured by taking the coordinate axes X and Y as the reference according to the direction, the name or the number characteristics of the roads.
In this embodiment, the step of respectively summarizing the phases configured on the roads having the same number of road categories as the road category included in each intersection includes: in a plane intersection of five or six ports formed by intersecting three roads, when the three intersecting roads are respectively classified into three different road classes according to at least the characteristics of the included angles between the roads and the coordinate axes, the method for executing the classification at least comprises the following steps that firstly, when the included angles between any two roads and the coordinate axes X or Y are unequal, two roads with the smallest included angles between the coordinate axes X and Y are respectively selected, the roads are respectively classified into the coordinate axes X or Y with the smallest included angles, and the road class to which the coordinate axes belong, and then the rest of the roads are classified into a third road class; secondly, when the included angles between any two roads and the coordinate axes X or Y are equal, firstly, selecting one road with unequal included angles between the coordinate axes X or Y corresponding to other roads respectively, classifying the roads into the coordinate axes X or Y with the smallest included angle, classifying the roads into the road classes to which the coordinate axes belong, and secondly, classifying the other two roads into the other two road classes according to the directions, names or numbers of the roads respectively.
In the example shown in fig. 2, in the plane intersections of (1) and (2), N is north, according to the characteristics of the roads, one road 103 or 106 with the smallest included angle with the coordinate axis is selected on the coordinate axis Y and is summarized in one road category corresponding to the coordinate axis Y, one road 104 or 107 with the smallest included angle with the coordinate axis is selected on the coordinate axis X and is summarized in the other road category corresponding to the coordinate axis X, and then the rest of one road 105 or 108 is summarized in the third road category.
In this embodiment, the step of respectively summarizing the phases configured on the roads having the same number of road categories as the road category included in each intersection includes: in the signal period of the intersection and the arrangement thereof, each phase arranged on the road is correspondingly summarized in the road category to which the road belongs according to the road category to which each road in the intersection belongs.
In this embodiment, the configuring and generalizing the sequence of the phase sequence according to the road class to which each phase belongs includes: in the phase sequence of the signal period, more than one continuous ordered phases in the same road class are respectively summarized into a sequence group, the sequential order of each sequence group in the phase sequence is used as the sequence of the phase sequence group combination, and the phase sequences are managed according to the sequence of the sequence group combination.
For example, in a signal period arranged at each plane intersection of the types of T-shape, Y-shape, cross-shape, X-shape, offset cross-shape, and offset X-shape, one or more different phases in the front of the phase sequence and in the same road class X are used as one sequence group, and one or more different phases in the rear of the phase sequence and in another road class Y are used as another sequence group, respectively, and the order in which the phase sequences are generalized is XY.
In the example shown in fig. 3, in an intersection with the number CC80, N is north, and according to the characteristic of the included angle between the road and the coordinate axis, the road M is generalized on the coordinate axis Y, and the road L is generalized on the coordinate axis X; in the signal period of the intersection configuration, as shown in fig. 4, C is a signal period, and the phase includes a signal green time G seconds, a yellow time a seconds, and a red time R seconds. The sequential order of the phase sequence is X201, X202, Y201, and Y202, and T1, T2, T3, and T4 correspond to green signal periods of the phases X201, X202, Y201, and Y202, respectively. When the road category in which the road L is generalized is the coordinate axis X, correspondingly generalized the configured straight-going phase X201 and left-turning phase X202 into a sequence group X; when the road class in which the road M is classified is the coordinate axis Y, the straight phase Y201 and the left phase Y202 are correspondingly classified into one sequence group Y. The sequence of the phase sequence is XY according to the sequence group combination order, and the sequence of the phase sequence is XY according to the sequence group combination order.
In this embodiment, the configuring and generalizing the sequence of the phase sequence according to the road class to which each phase belongs includes: when the signal period phase sequences are respectively configured in more than two intersections with the same number of road categories, the phase sequence groups are ordered and configured according to the sequence of the same sequence group combination according to the road category to which the phase belongs.
For example, in the signal period of each plane intersection arrangement of the types of T-shape, Y-shape, cross-shape, X-shape, staggered cross-shape, and staggered X-shape, when the signal period is respectively ordered and arranged in the sequence group combination order XY, firstly, one or more phases arranged in the road class X are uniformly ordered as one sequence group in front of the phase sequence, and secondly, one or more phases arranged in the road class Y are ordered as another sequence group in rear of the phase sequence; or when sorting and configuring according to the sequence XYXY of the sequence group combination, one phase of the road class X is sorted in a first sequence of the phase sequences, one phase of the road class Y is sorted in a second sequence of the phase sequences, and then the second phases of the road class X and the road class Y are sorted in a third sequence and a fourth sequence of the phase sequences respectively.
In this embodiment, the dividing and sorting the phase sequence according to the generalized road category includes: in each signal period of the intersection configuration, and when two different phases are respectively configured in more than one sequence group, the two different phases are sequentially ordered and configured according to the same direction according to the direction of traffic flow in the phases.
Fig. 5 shows a block diagram of a computer device according to an embodiment of the application. The computer device includes: the processor, the memory, store on the memory and can be on the computer program of the operation of the said processor, this computer program realizes the above-mentioned traffic signal configuration and each course of the management method embodiment when being carried out by the processor, and can reach the same technical result, in order to avoid repetition, will not be repeated here.
The computer devices include, but are not limited to, servers, personal computers, notebook computers, tablet computers, smart phones, wearable devices, traffic signal, intelligent vehicle terminals, and the like. The computer device includes a user device and a network device. The user equipment comprises, but is not limited to, a computer, a smart phone, a PAD, a traffic signal, a wearable device, an intelligent vehicle-mounted terminal and the like; network devices include, but are not limited to, a single network server, a server group of multiple network servers, or a cloud of large numbers of computers or network servers in a cloud computing, where cloud computing is a type of distributed computing, a super virtual computer consisting of a collection of loosely coupled computers. The computer device can be used for realizing the application by running alone, and can also be accessed into a network and realized by interaction with other computer devices in the network. Wherein the network in which the computer device is located includes, but is not limited to, the internet, a wide area network, a metropolitan area network, a local area network, a VPN network, and the like.
The embodiment of the application also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, implements the processes of the above-mentioned traffic signal configuration and management method embodiment, and can achieve the same technical effects, so that repetition is avoided, and no further description is given here. The computer readable storage medium includes Read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic or optical disk, and software distribution medium.
It should be noted that, in this document, 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, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising several instructions for causing a terminal (which may be a mobile phone, a computer, a server, a wearable device or a network device, etc.) to perform the method according to the embodiments of the present application.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are to be protected by the present application.
Claims (8)
1. A method of traffic signal configuration and control, the method comprising:
in the configured intersections, a certain number of road categories are used, and each intersection comprises roads with the same number as the road categories and phases configured on the roads; configuring and inducing a sequence of phase sequences according to the road category to which each phase belongs; the road category comprises at least one category and/or a combination of more than one category of coordinate axes, directions, angles, characters, symbols, figures, letters and numbers; according to the road category to which each phase belongs, the sequence for configuring and inducing the phase sequence comprises the following steps: in the phase sequence of the signal period, more than one continuous ordered phases in the same road category are respectively summarized into a sequence group, the sequential order of each sequence group in the phase sequence is used as the sequence of the phase sequence group combination, the phase sequences are managed according to the sequence of the phase sequence group combination, or the sequence for configuring and summarizing the phase sequences according to the road category to which each phase belongs comprises: when the signal period phase sequences are respectively configured in more than two intersections with the same number of road categories, the phase sequence groups are ordered and configured according to the sequence of the same sequence group combination according to the road category to which the phase belongs.
2. The method of claim 1, wherein the step of respectively summarizing the number of roads and the number of phases allocated to the roads included in each intersection as the number of road categories includes: two or more road categories are used, two or more crossed roads with the same number as the road categories are included in each intersection, and each road category corresponds to one crossed road in the intersection.
3. The method of claim 1, wherein the step of respectively summarizing the number of roads and the number of phases allocated to the roads included in each intersection as the number of road categories includes: and classifying each crossed road at least according to the azimuth angle of the road, the included angle between the road and the coordinate axis, the name of the road, the number of the road and the characteristics of more than one road in the direction of the road, and respectively inducing the crossed roads into one road class.
4. The method of claim 1, wherein the step of respectively summarizing the number of roads and the number of phases allocated to the roads included in each intersection as the number of road categories includes: in each plane intersection of the T-shaped, Y-shaped, cross-shaped, X-shaped, staggered cross-shaped and staggered X-shaped types, selecting a road category configured by taking a coordinate axis X of a north direction and a coordinate axis Y of a Fang Xiangdong direction as a reference, and respectively summarizing two crossed roads in the intersection, the mode of carrying out summarization at least comprises one of the following modes according to at least the characteristics of included angles between the roads and the coordinate axes: firstly, when the included angle between one road and one coordinate axis is smaller than 45 degrees and the included angle between the other road and the other coordinate axis is smaller than 45 degrees, respectively classifying each road into one coordinate axis with the included angle smaller than 45 degrees and the road category to which the coordinate axis belongs; secondly, when the included angles between two crossed roads and the same coordinate axis are within 45 degrees and are different, firstly selecting one road with the smallest included angle with the coordinate axis to be summarized in the coordinate axis with the smallest included angle and the road category to which the coordinate axis belongs, and secondly, summarizing the other road in the other coordinate axis and the road category to which the coordinate axis belongs; thirdly, when the included angle between two crossed roads and the same coordinate axis is equal and within 45 degrees, the two roads are respectively classified into two road categories which are configured by taking the coordinate axes X and Y as the reference according to the direction, the name or the number characteristics of the roads.
5. The method of claim 1, wherein the step of respectively summarizing the number of roads and the number of phases allocated to the roads included in each intersection as the number of road categories includes: in a plane intersection of five or six intersections formed by intersecting three roads, when the three intersecting roads are respectively classified into three different road categories according to at least the characteristics of the included angles between the roads and the coordinate axes, the executing induction mode at least comprises one of the following modes: firstly, when the included angles between any two roads and the coordinate axes X or Y are unequal, respectively selecting two roads with the smallest included angles between the two roads and the coordinate axes X or Y, respectively inducing the roads into the coordinate axes X or Y with the smallest included angles, inducing the roads into the road category to which the coordinate axes belong, and inducing the rest of roads into a third road category; secondly, when the included angles between any two roads and the coordinate axes X or Y are equal, firstly, selecting one road with unequal included angles between the coordinate axes X or Y corresponding to other roads respectively, classifying the roads into the coordinate axes X or Y with the smallest included angle, classifying the roads into the road classes to which the coordinate axes belong, and secondly, classifying the other two roads into the other two road classes according to the directions, names or numbers of the roads respectively.
6. The method of claim 1, wherein the step of respectively summarizing the number of roads and the number of phases allocated to the roads included in each intersection as the number of road categories includes: in the signal period of the intersection and the arrangement thereof, each phase arranged on the road is correspondingly summarized in the road category to which the road belongs according to the road category to which each road in the intersection belongs.
7. A computer device for use in a method of traffic signal configuration and control, the computer device comprising: a memory for storing non-transitory computer readable instructions; and a processor for executing the computer readable instructions such that the processor, when executing the readable instructions, implements the method of traffic signal configuration and control of any of claims 1-6.
8. A computer readable storage medium for use in a method of traffic signal configuration and control, for storing non-transitory computer readable instructions, which when executed by a computer, cause the computer to perform the method of traffic signal configuration and control of any one of claims 1-6.
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