CN112598913A - Bus priority control method and device based on waiting factors and electronic equipment - Google Patents
Bus priority control method and device based on waiting factors and electronic equipment Download PDFInfo
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- CN112598913A CN112598913A CN202011493485.4A CN202011493485A CN112598913A CN 112598913 A CN112598913 A CN 112598913A CN 202011493485 A CN202011493485 A CN 202011493485A CN 112598913 A CN112598913 A CN 112598913A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle
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- 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
Abstract
The invention discloses a waiting factor-based bus priority control method, a waiting factor-based bus priority control device and electronic equipment, wherein the method comprises the following steps: establishing a vehicle list needing to be passed preferentially at a signalized intersection; updating a vehicle list in real time according to the conditions that the vehicle enters and leaves the intersection; calculating the waiting factor of each vehicle in the vehicle list, wherein the waiting factor of one vehicle is calculated according to the parking waiting time of one vehicle at the signalized intersection, the priority of one vehicle and the late time of one vehicle; determining vehicles to be released preferentially under a preset preferential strategy according to the waiting factor of each vehicle; the preferential release of the vehicle is realized by prolonging the green light or shortening the red light time. The method solves the problem that a plurality of vehicles needing to pass preferentially arrive at the same time but the limited preferential passing time cannot be reasonably distributed, and can also reduce the situations that the vehicles applying for passing are unreasonably released and the vehicles needing to pass urgently cannot obtain the timely preferential passing right.
Description
Technical Field
The present invention relates to the field of image processing technologies, and in particular, to an image processing method and apparatus, and an electronic device.
Background
The public transport not only provides convenience for the public to go out, but also has great social benefit due to the advantages of economy and environmental protection. However, with the development of social economy, the running conditions of urban traffic are increasingly worsened, so that the overall running efficiency of the public traffic system is not high.
The bus priority signal control is a measure for reasonably and effectively improving the operation quality and effect of buses, fully embodies the bus priority idea, particularly gives priority to high-passenger-capacity buses, can reduce the per-capita delay at the intersection, improves the service level at the intersection and provides conditions for the buses to attract more passenger flow. And reasonable bus priority signal timing can reduce vehicle delay. However, the intersection usually has a plurality of buses arriving at the intersection at the same time, but the priority passing time that can be given is limited. The processing mode of the prior system for simultaneously submitting priority applications for a plurality of vehicles is generally random processing or processing according to time sequence, and the vehicles applying for the priority applications are unreasonably released, so that the vehicles which need to pass through urgently cannot obtain the priority right of passage in time.
Disclosure of Invention
In view of this, embodiments of the present invention provide a waiting factor-based bus priority control method, an apparatus, and an electronic device, so as to solve the problem that when a traffic signal control system in the prior art submits priority applications to multiple vehicles simultaneously, random processing or processing according to a time sequence is adopted, so that the vehicles in the applications are not allowed to pass through reasonably, and the priority right cannot be obtained in time.
According to a first aspect, an embodiment of the present invention provides a waiting factor-based bus priority control method, including the following steps: establishing a vehicle list needing to be passed preferentially at a signalized intersection; updating a vehicle list in real time according to the conditions that the vehicle enters and leaves the intersection; calculating the waiting factor of each vehicle in the vehicle list, wherein the waiting factor of one vehicle is calculated according to the parking waiting time of one vehicle at the signalized intersection, the priority of one vehicle and the late time of one vehicle; determining vehicles to be released preferentially under a preset preferential strategy according to the waiting factor of each vehicle; the preferential release of the vehicle is realized by prolonging the green light or shortening the red light time.
Further, the preset priority strategy is a maximum waiting factor strategy, and the step of determining the vehicle to be released preferentially under the preset priority strategy according to the waiting factor of each vehicle comprises the following steps:
and selecting the vehicle with the largest waiting factor in the vehicle list as the vehicle to be preferentially released.
Further, the preset priority strategy is a combined waiting factor strategy, and the step of determining the vehicle to be released preferentially under the preset priority strategy according to the waiting factor of each vehicle comprises the following steps: calculating the accumulated sum of the waiting factors of the vehicles in each running target direction to obtain the combined waiting factor of the vehicles in each running target direction; the vehicle in the travel target direction in which the combination waiting factor is largest is selected as the priority passing vehicle.
Further, the step of determining a vehicle to be preferentially released under the preset priority policy according to the waiting factor of each vehicle includes: acquiring intersection free space detected by a traffic detector at a signalized intersection; and selecting the vehicle with the largest waiting factor in the non-empty-space phase as the vehicle to be released preferentially.
Further, the signalized intersection is provided with a vehicle sensing device, and the time for prolonging the green light or shortening the red light is determined according to the waiting factor of the prior released vehicle and the number of other vehicles between the prior released vehicle and the stop line.
Further, the waiting factor is calculated according to the following formula: wi ═ Ti × e (Pi) × d (Li), where Wi denotes a waiting factor of the i-th vehicle, Ti denotes a time for the i-th vehicle to stop at the intersection to wait, Pi denotes a priority of the i-th vehicle, e (Pi) denotes an expansion and contraction coefficient of the waiting time, and Li denotes a late time of the i-th vehicle; d (Li) represents the expansion and contraction coefficient of the late point.
According to a second aspect, an embodiment of the present invention provides a waiting factor-based bus priority control apparatus, including: the list building module is used for building a vehicle list needing preferential passing at the signalized intersection; the list updating module is used for updating the vehicle list in real time according to the conditions that the vehicle enters and leaves the intersection; the factor calculation module is used for calculating the waiting factor of each vehicle in the vehicle list, and the waiting factor of one vehicle is calculated according to the parking waiting time of one vehicle at the intersection, the priority of one vehicle and the late time of one vehicle; the vehicle determining module is used for determining vehicles to be released preferentially under a preset preferential strategy according to the waiting factor of each vehicle; and the vehicle releasing module is used for realizing the preferential release of the vehicle by prolonging the green light or shortening the red light time.
According to a third aspect, an embodiment of the present invention provides an electronic device, including: the bus priority control method based on the waiting factors comprises a memory and a processor, wherein the memory and the processor are mutually connected in a communication mode, the memory stores computer instructions, and the processor executes the computer instructions so as to execute the bus priority control method based on the waiting factors in the first aspect or any one of the implementation modes of the first aspect.
According to a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, which stores computer instructions for causing a computer to execute the waiting factor-based bus priority control method described in the first aspect or any one of the first aspects.
The invention has the beneficial effects that:
the bus priority control method based on the waiting factors obtains the data of the waiting factors of the vehicles by analyzing and calculating the time of parking and waiting at the intersection of the vehicles needing to pass preferentially, the priority of the vehicles and the time of the rear of the vehicles, thereby evaluating the urgency degree of the vehicles for the priority passing requirement by using the quantitative index, reasonably distributing the limited passing right, solving the problem that a plurality of vehicles needing to pass preferentially arrive at the same time but the limited passing time cannot be reasonably distributed, and simultaneously reducing the condition that the vehicles applying for the vehicles cannot pass reasonably so that the vehicles needing to pass urgently cannot obtain the timely passing right of priority.
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 described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a flowchart of a method for controlling a bus priority based on a waiting factor according to an embodiment of the present invention;
fig. 2 is a flowchart of another method of a bus priority control method based on waiting factors according to an embodiment of the present invention;
fig. 3 is a flowchart of another method of a bus priority control method based on waiting factors according to an embodiment of the present invention;
fig. 4 is a flowchart of another method of a bus priority control method based on waiting factors according to an embodiment of the present invention;
fig. 5 is a schematic block diagram of a bus priority control device based on waiting factors according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a hardware structure of an electronic device 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, the technical solutions in the embodiments of the present invention will be clearly and completely 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
Fig. 1 shows a flowchart of a bus priority control method based on waiting factors according to an embodiment of the present invention, and as shown in fig. 1, the method may include the following steps:
s101: and establishing a vehicle list needing priority passing at the signalized intersection.
In the embodiment of the present invention, the vehicle list may include a license plate, a vehicle electronic tag number, or another identity mark that can be detected by the device, and numbers V1, V2, and … Vn that can uniquely represent vehicles may also be set in the vehicle list.
S102: and updating the vehicle list in real time according to the conditions of entering and leaving the intersection of the vehicle.
S103: and calculating the waiting factor of each vehicle in the vehicle list, wherein the waiting factor of one vehicle is calculated according to the parking waiting time of one vehicle at the signalized intersection, the priority of one vehicle and the late time of one vehicle.
In the embodiment of the invention, under the condition that other parameters are the same, the longer the parking waiting time of the vehicle Vn at the signalized intersection is, the larger the waiting factor is; the higher the priority of the vehicle Vn is, the larger its waiting factor is; the longer the late time of the vehicle Vn is, the larger its waiting factor is. In a specific embodiment, a product of the three parameters may be used as a waiting factor, and a corresponding weight value may be set for one or more of the parameters according to the needs of a specific application scenario.
In the embodiment of the invention, the grade of one vehicle can be specifically set according to the type of the vehicle needing to pass preferentially in a specific application scene, for example, a common bus is set as a lower priority, and a special vehicle is set as a higher priority.
In the embodiment of the present invention, the waiting factor may be calculated according to the following formula:
Wi＝Ti*E(Pi)*D(Li)，
in the formula, Wi represents a waiting factor of the ith vehicle, Ti represents the time for the ith vehicle to stop and wait at the intersection, Pi represents the priority of the ith vehicle, E (Pi) represents the expansion and contraction coefficient of the waiting time, and Li represents the late time of the ith vehicle; d (Li) represents the expansion and contraction coefficient of the late point. Specifically, Pi is defined as several levels of priority from 1 to Pmax, and the higher the priority is, the greater the chance of getting the priority traffic is; e (Pi) from 1 to Emax, the larger the coefficient, the greater the chance of getting a priority pass; li is 0 for no late time, D (Li) ranges from 0 to 1, and the value increases as the late time increases.
S104: and determining the vehicles to be preferentially released under a preset preferential strategy according to the waiting factor of each vehicle.
In the embodiment of the present invention, the preset priority policy may be any one of a maximum waiting factor policy (selecting the vehicle with the maximum waiting factor to pass preferentially), a combined waiting factor policy (calculating the sum of the waiting factors according to the driving target direction to form a combined waiting factor, and preferentially releasing the direction with the maximum combined waiting factor) or a traffic influence minimization principle (selecting the vehicle with the minimal influence on intersection traffic: generally, we consider intersection free release and congestion phase reduction release time to be defined as a factor having a greater influence on the intersection), and the like, and of course, may also be other priority policies set according to the needs of specific application scenarios.
S105: the preferential release of the vehicle is realized by prolonging the green light or shortening the red light time.
In the embodiment of the invention, the time for prolonging the green light or the time for shortening the red light is called as the priority duration, and specifically, the priority duration of each intersection can be defined by adopting a step function method according to different ranges of waiting factors; the step function is a piecewise constant function, the number of steps can be set according to needs, each step is a waiting factor range, and the step constant is a priority duration corresponding to the waiting factor.
In the embodiment of the invention, based on the fact that the priority released vehicle is released and whether there are other vehicles between the priority released vehicle and the stop line, therefore, traffic detectors, such as a geomagnetic vehicle detector, a radar vehicle detector, a video vehicle detector, or the like, and determines a priority time period according to the waiting factor of the priority released vehicle and the number of other vehicles between the priority released vehicle and the stop line, that is, when other vehicles exist between the prior vehicle and the parking space, the green light release time is prolonged to ensure that the prior vehicle can pass through the intersection in time, for example, when a signal intersection is provided with a bus lane, if the bus which is released preferentially is arranged behind other non-preferential vehicles, the green extension time of the priority algorithm should include the transit time of the bus which is preferentially released and other vehicles between the bus and the stop line.
In the embodiment of the invention, the data of the waiting factors of the vehicles are obtained by analyzing and calculating the time of parking at the intersection of the vehicles needing to pass preferentially, the priority of the vehicles and the time of the rear of the vehicles, so that the urgency degree of the vehicles on the requirement of the prior passing is evaluated by using the quantitative index, the limited passing right is reasonably distributed, the problem that a plurality of vehicles needing to pass preferentially arrive at the same time but the limited time of the prior passing cannot be reasonably distributed is solved, and meanwhile, the condition that the vehicles applying for the vehicles cannot pass through unreasonably and can not obtain the timely prior passing right can be reduced.
As an optional implementation manner of the embodiment of the present invention, a bus priority control method based on waiting factors provided by the embodiment of the present invention is described by taking a preset priority policy as a maximum waiting factor policy as an example, and as shown in fig. 2, the method may include the following steps:
s201: and establishing a vehicle list needing priority passing at the signalized intersection.
S202: and updating the vehicle list in real time according to the conditions of entering and leaving the intersection of the vehicle.
S203: and calculating the waiting factor of each vehicle in the vehicle list, wherein the waiting factor of one vehicle is calculated according to the parking waiting time of one vehicle at the signalized intersection, the priority of one vehicle and the late time of one vehicle.
S204: and selecting the vehicle with the largest waiting factor in the vehicle list as the vehicle to be preferentially released.
S205: the preferential release of the vehicle is realized by prolonging the green light or shortening the red light time.
As an optional implementation manner of the embodiment of the present invention, a bus priority control method based on waiting factors provided by the embodiment of the present invention is described by taking a preset priority policy as an example of a combined waiting factor policy, and as shown in fig. 3, the method may include the following steps:
s301: and establishing a vehicle list needing priority passing at the signalized intersection.
S302: and updating the vehicle list in real time according to the conditions of entering and leaving the intersection of the vehicle.
S303: and calculating the waiting factor of each vehicle in the vehicle list, wherein the waiting factor of one vehicle is calculated according to the parking waiting time of one vehicle at the signalized intersection, the priority of one vehicle and the late time of one vehicle.
S304: and calculating the accumulated sum of the waiting factors of the vehicles in all the running target directions to obtain the combined waiting factor of the vehicles in all the running target directions.
S305: the vehicle in the travel target direction in which the combination waiting factor is largest is selected as the priority passing vehicle.
S306: the preferential release of the vehicle is realized by prolonging the green light or shortening the red light time.
As an optional implementation manner of the embodiment of the present invention, a bus priority control method based on waiting factors provided by the embodiment of the present invention is described by taking a preset priority policy as a traffic influence minimum policy as an example, and as shown in fig. 4, the method may include the following steps:
s401: and establishing a vehicle list needing priority passing at the signalized intersection.
S402: and updating the vehicle list in real time according to the conditions of entering and leaving the intersection of the vehicle.
S403: and calculating the waiting factor of each vehicle in the vehicle list, wherein the waiting factor of one vehicle is calculated according to the parking waiting time of one vehicle at the signalized intersection, the priority of one vehicle and the late time of one vehicle.
S404: and acquiring the empty space of the intersection detected by the traffic detector at the signalized intersection.
Generally, it is considered that intersection vacancy and congestion phase reduction release time are defined as factors which have a large influence on an intersection, a coefficient Ti in a waiting factor is proportional to congestion of a release phase of a vehicle, the influence of releasing a priority vehicle on intersection traffic (in terms of whether the congestion phase release time is reduced) can be reflected by the waiting factor, and due to positive correlation between the waiting factor of a vehicle and the congestion of the release phase of the vehicle, the release of the priority release vehicle generally does not have a large influence on the intersection in terms of whether the congestion phase release time is reduced. Therefore, in the embodiment of the invention, the intersection vacancy is taken as a main consideration factor for influencing the intersection traffic.
In the embodiment of the present invention, the traffic detector may be any one or more of a geomagnetic vehicle detector, a radar vehicle detector, a video vehicle detector, or the like.
S405: and selecting the vehicle with the largest waiting factor in the non-empty-space phase as the vehicle to be released preferentially.
In the embodiment of the invention, the non-idle phase refers to a phase in which no vehicle passes through during the green light period of the traffic signal lamp in the direction.
S406: the preferential release of the vehicle is realized by prolonging the green light or shortening the red light time.
It should be noted that specific contents of the above steps S201 to S203, S301 to S303, and S401 to S403 may be understood by referring to specific contents of the steps S101 to S103, and specific contents of the above steps S205, S306, and S406 may be understood by referring to specific contents of the step S105, and are not described herein again.
Example 2
Fig. 5 is a schematic block diagram of a waiting factor-based bus priority control apparatus according to an embodiment of the present invention, which may be used to implement the waiting factor-based bus priority control method according to embodiment 1 or any optional implementation manner thereof. As shown in fig. 5, the apparatus includes: list building module 10, list updating module 20, factor calculation module 30, vehicle determination module 40, and vehicle clearance module 50. Wherein the content of the first and second substances,
the list building module 10 is used to build a list of vehicles that require priority traffic at the signalized intersection.
The list updating module 20 is used for updating the vehicle list in real time according to the conditions that the vehicle enters and leaves the intersection.
The factor calculating module 30 is used for calculating a waiting factor of each vehicle in the vehicle list, and the waiting factor of one vehicle is calculated according to the parking waiting time of one vehicle at the intersection, the priority of one vehicle and the late time of one vehicle.
The vehicle determination module 40 is configured to determine a priority for passing the vehicle under a preset priority strategy according to the waiting factor of each vehicle.
The vehicle clearance module 50 is used to achieve priority clearance for the vehicle by extending the green light or shortening the red light time.
In the embodiment of the invention, the data of the waiting factors of the vehicles are obtained by analyzing and calculating the time of parking and waiting at the intersection of the vehicles needing to pass preferentially, the priority of the vehicles and the time of the rear point of the vehicles through the setting factor calculating module, so that the urgency degree of the vehicles on the priority passing requirement is evaluated by using the quantitative index, the limited passing right is reasonably distributed, the problem that a plurality of vehicles needing to pass preferentially arrive at the same time but the limited passing time cannot be reasonably distributed is solved, and meanwhile, the condition that the vehicles applying for the vehicles cannot pass reasonably so that the vehicles needing to pass urgently cannot obtain the timely passing right can be reduced.
An embodiment of the present invention further provides an electronic device, as shown in fig. 6, the electronic device may include a processor 61 and a memory 62, where the processor 61 and the memory 62 may be connected by a bus or in another manner, and fig. 6 illustrates the connection by the bus as an example.
The processor 61 may be a Central Processing Unit (CPU). The Processor 61 may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, or combinations thereof.
The memory 62, which is a non-transitory computer readable storage medium, may be used to store non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules corresponding to the waiting factor-based bus priority control method in the embodiment of the present invention (e.g., the list building module 10, the list updating module 20, the factor calculating module 30, the vehicle determining module 40, and the vehicle releasing module 50 shown in fig. 5). The processor 61 executes various functional applications and data processing of the processor by running non-transitory software programs, instructions and modules stored in the memory 62, namely, the bus priority control method based on the waiting factor in the above method embodiment is realized.
The memory 62 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor 61, and the like. Further, the memory 62 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory 62 may optionally include memory located remotely from the processor 61, and these remote memories may be connected to the processor 61 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the memory 62 and, when executed by the processor 61, perform a waiting factor-based bus priority control method as in the embodiment of fig. 1-4.
The details of the electronic device may be understood by referring to the corresponding descriptions and effects in the embodiments shown in fig. 1 to fig. 4, and are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD), a Solid State Drive (SSD), or the like; the storage medium may also comprise a combination of memories of the kind described above.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. A bus priority control method based on waiting factors is characterized by comprising the following steps:
establishing a vehicle list needing to be passed preferentially at a signalized intersection;
updating the vehicle list in real time according to the conditions that the vehicle enters and leaves the intersection;
calculating a waiting factor of each vehicle in the vehicle list, wherein the waiting factor of one vehicle is calculated according to the parking waiting time of the one vehicle at the signalized intersection, the priority of the one vehicle and the late time of the one vehicle;
determining vehicles to be preferentially released under a preset priority strategy according to the waiting factor of each vehicle;
the preferential release of the preferential release vehicle is achieved by extending the green light or shortening the time of the red light.
2. The waiting factor-based bus priority control method according to claim 1, wherein the preset priority policy is a maximum waiting factor policy, and the step of determining the priority of passing the vehicle under the preset priority policy according to the waiting factor of each vehicle comprises:
and selecting the vehicle with the largest waiting factor in the vehicle list as the vehicle for preferential passing.
3. The waiting factor-based bus priority control method according to claim 1, wherein the preset priority strategy is a combined waiting factor strategy, and the step of determining the vehicles to be preferentially released under the preset priority strategy according to the waiting factor of each vehicle comprises:
calculating the accumulated sum of the waiting factors of the vehicles in each running target direction to obtain the combined waiting factor of the vehicles in each running target direction;
selecting a vehicle in a traveling target direction in which the combined waiting factor is largest as the priority passing vehicle.
4. The waiting factor-based bus priority control method according to claim 1, wherein the preset priority policy is a traffic influence minimum policy, and the step of determining the priority of passing the vehicle under the preset priority policy according to the waiting factor of each vehicle comprises:
acquiring intersection free space detected by a traffic detector at the signalized intersection;
and selecting the vehicle with the largest waiting factor in the non-empty-space phase as the priority-to-pass vehicle.
5. The waiting factor-based bus priority control method according to any one of claims 1 to 4, wherein a vehicle sensing device is arranged at the signalized intersection, and the time for prolonging the green light or shortening the red light is determined according to the waiting factor of the priority released vehicle and the number of other vehicles between the priority released vehicle and the stop line.
6. The waiting factor-based bus priority control method according to any one of claims 1 to 5, wherein the waiting factor is calculated according to the following formula:
Wi＝Ti*E(Pi)*D(Li)，
in the formula, Wi represents a waiting factor of the ith vehicle, Ti represents the time for the ith vehicle to stop and wait at the intersection, Pi represents the priority of the ith vehicle, E (Pi) represents the expansion and contraction coefficient of the waiting time, and Li represents the late time of the ith vehicle; d (Li) represents the expansion and contraction coefficient of the late point.
7. The utility model provides a bus priority control device based on waiting factor which characterized in that includes:
the list building module is used for building a vehicle list needing preferential passing at the signalized intersection;
the list updating module is used for updating the vehicle list in real time according to the conditions that the vehicle enters and leaves the intersection;
the factor calculation module is used for calculating a waiting factor of each vehicle in the vehicle list, wherein the waiting factor of one vehicle is calculated according to the parking waiting time of the vehicle at the intersection, the priority of the vehicle and the late time of the vehicle;
the vehicle determining module is used for determining vehicles to be released preferentially under a preset preferential strategy according to the waiting factor of each vehicle;
and the vehicle releasing module is used for realizing the preferential release of the vehicle by prolonging the green light or shortening the red light time.
8. An electronic device, comprising: a memory and a processor, wherein the memory and the processor are connected with each other in a communication manner, the memory stores computer instructions, and the processor executes the computer instructions to execute the waiting factor-based bus priority control method according to any one of claims 1 to 6.
9. A computer-readable storage medium storing computer instructions for causing a computer to execute the waiting factor-based bus priority control method according to any one of claims 1 to 6.
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