CN108010339B - Intersection signal lamp control method based on bus stop time - Google Patents
Intersection signal lamp control method based on bus stop time Download PDFInfo
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- CN108010339B CN108010339B CN201711233644.5A CN201711233644A CN108010339B CN 108010339 B CN108010339 B CN 108010339B CN 201711233644 A CN201711233644 A CN 201711233644A CN 108010339 B CN108010339 B CN 108010339B
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- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
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Abstract
The invention provides a method for controlling a signal lamp of an intersection based on bus stop time, which comprises the following steps: establishing a bus stop time estimation model; acquiring the number of passengers getting off the bus and the number of passengers to get on the bus, and substituting the number into a bus stop time estimation model to estimate the stop time of each bus getting off the bus; accumulating the number of buses queued at the intersection and the queuing sequence thereof, and estimating and calculating the time required by all buses to enter the intersection; acquiring a signal timing scheme of the intersection, searching the green light duration of the next traffic light period of the intersection, and making a judgment: when the time required by all the buses to enter the station at the intersection is longer than the green light time of the next traffic light period, taking the time required by all the buses to enter the station at the intersection as the green light time of the next traffic light period; otherwise, the intersection original timing scheme is continuously executed.
Description
Technical Field
The invention relates to a method for controlling a signal lamp of an intersection, in particular to a method for controlling the signal lamp of the intersection based on the stop time of a bus.
Background
At the present stage, the low fare of the public transport makes great contribution to improving the public transport attraction, but practical operation problems such as low bus punctuality rate, poor service level and the like cause that the public transport vehicles can not meet the requirement of passengers on time to arrive at the destination, and the public transport attraction is reduced to a certain extent. Therefore, under the condition that urban road resources and public transport capacity are configured to a certain extent, the public transport attraction is improved by continuously improving the operation condition to relieve the road traffic congestion.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a method for controlling signal lamps of an intersection based on bus stop time.
In order to achieve the purpose, the invention adopts the technical scheme that: a method for controlling signal lamps of an intersection based on bus stop time comprises the following steps:
establishing a bus stop time estimation model;
acquiring the number of passengers getting off the bus in advance and the number of passengers getting on the bus when getting off the bus, and substituting the number into a bus stop time estimation model to estimate the stop time of each bus when getting off the bus;
acquiring a bus queuing sequence of the intersection, and calculating the time required for all buses to enter the intersection according to the bus queuing sequence and the estimated stop time of each bus when the bus stops;
acquiring a signal timing scheme of the intersection, searching the green light duration of the next traffic light period of the intersection, and making a judgment:
when the time required by all the buses to enter the station at the intersection is longer than the green light time of the next traffic light period, taking the time required by all the buses to enter the station at the intersection as the green light time of the next traffic light period;
and when the time required by all the buses to enter the intersection is less than the green light time of the next traffic light period, the next traffic light period continues to execute the intersection original timing scheme.
Based on the above, the estimation model of the stop time of the bus station is as follows:
wherein, TiThe time(s) required for passengers to get on or off the bus when the bus arrives at the bus stop; u shapeiI number of passengers getting on at bus station, DiThe number of passengers getting off each bus at the bus station is i; g is the functional relation of the stop time of the bus station with respect to the number of passengers getting on or off the bus, TOFor opening the doors of public transport vehicles, TCFor closing the door of the bus, TDFor passengers to disembarkRequired time, TUThe time required for passengers to get on the vehicle.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and particularly, the technical scheme provided by the invention is simple to realize and high in reliability, the total time required for all buses to pass through the intersection is calculated by predicting the bus-to-station stop time, so that the period and the duration of traffic light signals at the intersection are adjusted, and the invention has high social benefit and economic benefit.
Drawings
FIG. 1 is a schematic flow diagram of the present invention.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
The invention provides a method for controlling a signal lamp of an intersection based on bus stop time, which comprises the following steps as shown in figure 1:
establishing a bus stop time estimation model;
acquiring the number of passengers getting off the bus in advance and the number of passengers getting on the bus when getting off the bus, and substituting the number into a bus stop time estimation model to estimate the stop time of each bus when getting off the bus;
acquiring a bus queuing sequence of the intersection, and calculating the time required for all buses to enter the intersection according to the bus queuing sequence and the estimated stop time of each bus when the bus stops;
acquiring a signal timing scheme of the intersection, searching the green light duration of the next traffic light period of the intersection, and making a judgment:
when the time required by all the buses to enter the station at the intersection is longer than the green light time of the next traffic light period, taking the time required by all the buses to enter the station at the intersection as the green light time of the next traffic light period;
and when the time required by all the buses to enter the intersection is less than the green light time of the next traffic light period, the next traffic light period continues to execute the intersection original timing scheme.
Specifically, in order to realize the intersection signal lamp control method based on the bus stop time, an intersection signal lamp control system is required to be constructed, and comprises a signal control server, a traffic light signal system, a vehicle-mounted getting-off reservation system and a vehicle-mounted RFID electronic tag which are arranged on a bus, a passenger getting-on reservation system arranged in a bus platform and an RFID detector arranged at a certain distance from an intersection stop line;
the vehicle-mounted getting-off reservation system is used for counting the number of passengers getting off the bus in advance and sending the counted number to the signal control server;
the passenger getting-on reservation system is used for counting the number of passengers getting-on in advance of each bus at the station and sending the counted number to the signal control server;
the RFID detector acquires a queuing sequence of the bus arriving at the intersection by identifying the bus-mounted RFID electronic tag and sends the queuing sequence to the networking signal control center;
the signal control server calculates the time T required by all buses to enter the station at the intersection according to the bus queuing sequence and the estimated stop time of each bus at the next stationXAnd further searching the green light duration of the next traffic light period at the intersection, and making a judgment:
when the time required by all the buses to enter the station at the intersection is longer than the green light time of the next traffic light period, taking the time required by all the buses to enter the station at the intersection as the green light time of the next traffic light period;
and when the time required by all the buses to enter the intersection is less than the green light time of the next traffic light period, the next traffic light period continues to execute the intersection original timing scheme.
Specifically, the estimation model of the stop time of the bus station is as follows:
wherein, TiThe time(s) required for passengers to get on or off the bus when the bus arrives at the bus stop; u shapeiI number of passengers getting on at bus station, DiThe number of passengers getting off each bus at the bus station is i; g is the functional relation of the stop time of the bus station with respect to the number of passengers getting on or off the bus, TOFor opening the doors of public transport vehicles, TCFor closing the door of the bus, TDTime required for passengers to get off the train, TUThe time required for passengers to get on the vehicle.
It should be noted that the door opening time T of different busesOAnd closing time TCDifferent, can set up according to the bus type when actually using.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (1)
1. A method for controlling signal lamps of an intersection based on bus stop time is characterized by comprising the following steps:
establishing a bus stop time estimation model:
wherein, TiThe time s required for passengers to get on or off the bus when the bus arrives at a bus stop; u shapeiI number of passengers getting on at bus station, DiThe number of passengers getting off each bus at the bus station is i; g is the functional relation of the stop time of the bus station with respect to the number of passengers getting on or off the bus, TOFor opening the doors of public transport vehicles, TCFor closing the door of the bus, TDRequired for passengers to get offTime, TUThe time required for passengers to get on the bus;
acquiring the number of passengers getting off the bus in advance and the number of passengers getting on the bus when getting off the bus, and substituting the number into a bus stop time estimation model to estimate the stop time of each bus when getting off the bus;
acquiring a bus queuing sequence of the intersection, and calculating the time required for all buses to enter the intersection according to the bus queuing sequence and the estimated stop time of each bus when the bus stops;
acquiring a signal timing scheme of the intersection, searching the green light duration of the next traffic light period of the intersection, and making a judgment:
when the time required by all the buses to enter the station at the intersection is longer than the green light time of the next traffic light period, taking the time required by all the buses to enter the station at the intersection as the green light time of the next traffic light period;
and when the time required by all the buses to enter the intersection is less than the green light time of the next traffic light period, the next traffic light period continues to execute the intersection original timing scheme.
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| CN201711233644.5A CN108010339B (en) | 2017-11-30 | 2017-11-30 | Intersection signal lamp control method based on bus stop time |
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| CN201711233644.5A CN108010339B (en) | 2017-11-30 | 2017-11-30 | Intersection signal lamp control method based on bus stop time |
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| CN108010339B true CN108010339B (en) | 2021-06-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108877263A (en) * | 2018-07-11 | 2018-11-23 | 中国联合网络通信集团有限公司 | Control method, device and the scheduling system of unmanned bus |
| CN110570678B (en) * | 2019-10-23 | 2021-03-19 | 厦门大学 | Method and device for predicting total travel time of bus from starting point to end point |
| CN111681410B (en) * | 2020-04-17 | 2022-03-18 | 大连理工大学 | Method for predicting stop time of bus at line station based on deep learning |
| CN113628473B (en) * | 2021-07-02 | 2022-07-22 | 东南大学 | Intelligent bus response type stop plan and dynamic scheduling system |
| CN113436449B (en) * | 2021-08-30 | 2021-11-02 | 湖南中车时代通信信号有限公司 | Optimization method for releasing public transport vehicles and related components |
| CN113706873B (en) * | 2021-09-28 | 2022-11-29 | 长沙智能驾驶研究院有限公司 | Vehicle arrival time prediction method, device, equipment and computer storage medium |
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| CN101556740B (en) * | 2009-04-30 | 2010-10-13 | 吉林大学 | Bus priority signal timing method based on running schedule |
| JP2012103843A (en) * | 2010-11-09 | 2012-05-31 | Sumitomo Electric Ind Ltd | Signal control device and signal control method |
| CN102682612B (en) * | 2012-05-18 | 2014-05-07 | 东南大学 | Integration type signalized intersection bus priority system based on bus stop platform control |
| CN103198673B (en) * | 2013-03-08 | 2015-01-28 | 东南大学 | Bus green wave arrangement control system for controlling station stop and road section driving |
| CN103593988B (en) * | 2013-11-08 | 2015-09-16 | 东南大学 | Inside a kind of road, bus stop turns to public transit vehicle sort method |
| CN106297335B (en) * | 2016-11-09 | 2018-10-30 | 河海大学 | A kind of public traffic in priority green extension optimization method that intersection-downstream bus stop interacts under environment |
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