CN113276913A - Method and system for dynamically balancing passenger flow of subway carriage - Google Patents

Method and system for dynamically balancing passenger flow of subway carriage Download PDF

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CN113276913A
CN113276913A CN202110569268.7A CN202110569268A CN113276913A CN 113276913 A CN113276913 A CN 113276913A CN 202110569268 A CN202110569268 A CN 202110569268A CN 113276913 A CN113276913 A CN 113276913A
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passenger flow
car
carriage
passengers
dynamic
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CN113276913B (en
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杨笑悦
薛天乐
肖蒙
王文宪
成利刚
贾莉
吴开信
吕秋霞
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Wuyi University Fujian
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor

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Abstract

本发明提供一种地铁车厢客流动态均衡的方法及系统，包括客流信息采集子系统、动态客流均衡子系统和动态客流引导子系统；本发明利用客流信息采集子系统实时获取地铁乘客乘车起点及终点信息，以及车厢内乘客人数和各车厢的上、下车人数；通过动态客流均衡子系统接收由AFC、车载摄像头、站台摄像头所采集的客流信息，动态客流均衡模块得出的客流引导方案，实现地铁车厢内动态客流及站台的动态客流进行均衡；通过车厢引导显示屏和站台引导显示屏向车厢和站台显示客流均衡方案引导客流移动；通过车载摄像头识别所采集的车厢内客流信息，判断车厢内客流是否达到车厢客流期望值，根据车厢客流期望值对车厢内客流进行引导。

Figure 202110569268

The invention provides a method and system for dynamic balance of passenger flow in subway cars, including a passenger flow information collection subsystem, a dynamic passenger flow balance subsystem and a dynamic passenger flow guidance subsystem; the invention uses the passenger flow information collection subsystem to obtain the starting point and the starting point of subway passengers in real time. Terminal information, as well as the number of passengers in the car and the number of people getting on and off in each car; through the dynamic passenger flow balancing subsystem, the passenger flow information collected by AFC, on-board cameras, and platform cameras is received, and the dynamic passenger flow balancing module is obtained. The passenger flow guidance scheme, Realize the balance between the dynamic passenger flow in the subway car and the dynamic passenger flow of the platform; display the passenger flow balance plan to the car and the platform through the car guidance display screen and the platform guidance display screen to guide the passenger flow movement; identify the collected passenger flow information through the on-board camera, and judge the carriage. Whether the passenger flow in the car reaches the expected value of passenger flow in the car, the passenger flow in the car is guided according to the expected value of passenger flow in the car.

Figure 202110569268

Description

Method and system for dynamically balancing passenger flow of subway carriage
Technical Field
The invention relates to the technical field of subway passenger flow systems, in particular to a method and a system for dynamically balancing subway carriage passenger flow.
Background
The urban rail transit system becomes the first choice of urban resident travel by the characteristics of large traffic volume, high speed, high efficiency, punctuality, safety and comfort, and provides an effective solution for the problems of urban traffic congestion and insufficient capacity. With the construction of subways in various cities in China spread widely, the demand of passengers on the comfort of taking the subways is increased day by day.
Because the passenger flow of the subway carriage has uneven space-time distribution, in addition, passengers can not know the distribution condition of passengers in the subway carriage which does not enter the station, and the passengers queued on the platform have randomness, the distribution of the passenger number of each carriage is uneven, so that the comfort level of riding is reduced. In addition, under the current epidemic situation prevention and control situation, the social distance needs to be kept between people is very important, so that the passengers queued in the carriages and the platforms are urgently guided in real time by an effective method to avoid the situation that the number of passengers in a certain carriage of the subway is too large and the space of the carriage cannot be fully utilized, the passenger flow of each carriage of the subway is balanced, and the riding comfort of the passengers is guaranteed.
At present, people can only obtain information such as train arrival time and the like through a display screen of a subway platform, but cannot obtain passenger flow distribution in a subway carriage and the number of getting-off passenger flows, and guidance of passenger flows in the carriage and guidance of the platform passenger flows are lacked. Passengers have great randomness in queuing and waiting at the platform and getting on the train, and the passenger flow in the carriage and the platform is guided in real time without a necessary method and system, so that the passenger flow distribution in the subway carriage is unbalanced, and the riding comfort of the passengers is seriously influenced. And the current subway carriage lacks dynamic real-time passenger flow guidance, can not display the carriage number which is relatively idle, and can only prompt the information such as the current carriage number, the station name and the like.
Disclosure of Invention
The invention provides a method and a system for dynamically balancing subway carriage passenger flow, aiming at the defects of the prior art, wherein the method and the system can make full use of AFC data of a station, provide the method and the system for dynamically balancing the subway carriage passenger flow on the basis of a passenger information system and a communication system, guide the queuing passenger flow of a subway platform and the passenger flow in a carriage in real time, and solve the problems of insufficient utilization of space of the subway carriage and unbalanced distribution of the passenger flow.
The technical scheme of the invention is as follows: a dynamic passenger flow balancing system for a subway car comprises a passenger flow information acquisition subsystem, a dynamic passenger flow balancing subsystem and a dynamic passenger flow guiding subsystem;
the passenger flow information acquisition subsystem comprises
The automatic fare collection system AFC is used for collecting information of a starting point and an end point of taking a subway passenger;
the vehicle-mounted camera is used for collecting the number of passengers in the carriage;
the platform camera is used for collecting the number of people getting on or off each carriage;
the dynamic passenger flow balancing subsystem comprises a getting-off passenger flow prediction module and a dynamic passenger flow balancing module, and the getting-off passenger flow prediction module and the dynamic passenger flow balancing module are both connected with the server; the system is connected to a communication backbone network through a switch, and is used for receiving passenger flow information collected by an AFC (automatic frequency control), a vehicle-mounted camera and a platform camera and transmitting the passenger flow information to a passenger flow guiding scheme obtained by a dynamic passenger flow balancing module;
the getting-off passenger flow prediction module is used for carrying out statistical analysis on passenger destination information acquired by an automatic fare collection system (AFC) and on-off passenger flow data of each carriage acquired by a platform camera, and predicting the number of people getting off at the next station;
the dynamic passenger flow balancing module is used for balancing the dynamic passenger flow in the subway carriages and the dynamic passenger flow at the platform according to the passenger flow data of getting on or off the subway carriages collected by the platform camera and the passenger flow information in the carriages collected by the vehicle-mounted camera;
the dynamic passenger flow guidance subsystem comprises:
the carriage guiding display screen guides the carriage passenger flow to move by displaying a carriage passenger flow guiding scheme obtained by the dynamic passenger flow balancing subsystem;
the platform guide display screen guides passenger flow to queue by displaying a platform passenger flow guide scheme obtained by the dynamic passenger flow balancing subsystem;
the communication module is used for connecting a carriage guide display screen, a platform guide display screen, a passenger information system PIS and a dynamic passenger flow balancing module of the dynamic passenger flow balancing subsystem so as to transmit passenger flow information between stations and trains;
and the passenger information system PIS is used for receiving the carriage passenger flow balancing scheme and the platform passenger flow balancing scheme, editing and composing the carriage passenger flow balancing scheme and the platform passenger flow balancing scheme to generate a program list, then issuing information, and playing the program through the carriage guide display screen and the platform guide display screen according to the program.
Preferably, the automatic fare collection system AFC consists of an entrance gate, an exit gate, a server, a computer and a database.
Preferably, the get-off passenger flow prediction module includes:
the storage unit is used for storing passenger destination information acquired by AFC (automatic frequency control) at each line station and each item of boarding passenger flow data acquired by the platform camera;
the prediction unit is connected with the storage unit and used for analyzing carriage getting-off passenger flow data acquired by the AFC acquired passenger destination information platform camera and predicting the number of people getting-off in each carriage by a plurality of prediction methods; and transmitting the result of the predictive analysis to a dynamic passenger flow average module.
Preferably, the dynamic passenger flow balancing module includes:
the judging unit is used for identifying the acquired passenger flow information in the carriage through the vehicle-mounted camera and judging whether the passenger flow in the carriage reaches the expected passenger flow value of the carriage or not;
the computing unit is used for processing the passenger flow expected value of the carriage judged by the judging unit, and computing the passenger flow data collected by the vehicle-mounted camera and the platform camera by a passenger flow prediction method if the passenger flow in the carriage reaches the passenger flow expected value of the carriage;
and the decision unit is used for deciding a proper carriage passenger flow guiding scheme according to the result obtained by the calculation unit and deciding a proper platform passenger flow guiding scheme according to the result obtained by the prediction unit.
Preferably, the car guidance display screen is connected to the vehicle AP to receive the car passenger guidance plan delivered by the dynamic passenger balancing subsystem.
Preferably, the platform guidance display screen receives a platform passenger flow guidance scheme transmitted by the dynamic passenger flow balancing subsystem through a station local area network.
The invention also provides a dynamic balancing method for passenger flow of the subway carriage, which comprises the following steps:
s1), collecting subway passenger starting point and terminal point information by using an automatic fare collection system AFC, and counting the number of passengers in a subway carriage and the number of passengers getting on or off a platform by using a vehicle-mounted camera and a platform camera;
s2), carrying out statistical analysis on the collected start point and end point information of the subway passengers, predicting the number of people getting off at the next station, and balancing the dynamic passenger flow in the subway carriages and the dynamic passenger flow at the platform by a passenger flow dynamic balancing method;
s3), displaying the dynamic passenger flow information and the scheme for balancing the passenger flow to the passengers through the electronic display screen so as to guide the dynamic passenger flow in the carriage and the dynamic passenger flow at the platform.
Preferably, step S2) specifically includes the following steps:
s201), firstly, judging whether the number of passengers in the carriage reaches the expected passenger flow value E of the carriage by utilizing a judging unit; if the number of passengers is up or down, the average number of passengers in the carriage and the number of passengers to be guided by each carriage are obtained according to the number of passengers on or off the carriage, which is collected by the vehicle-mounted camera and the platform camera;
s202), according to the number of passengers getting on and off the train in the carriage collected by the vehicle-mounted camera and the platform camera, and the passenger guiding mode min () with the minimum number of passengers needing to move in the adjacent carriage;
s203), taking pictures according to the vehicle-mounted camera and the platformThe number of passengers getting on or off the carriage and the passenger flow balance function collected like the head are repeated to obtain the number of passengers needing to be guided by other carriages, and the passenger flow balance function f is defined (S)n) Comprises the following steps:
Figure BDA0003081995880000051
in the formula, N is the grouping number of the subway, and N belongs to N +) SnThe adjusted population represented as nth car; u (S)n) Indicating a people adjustment for the nth car; d (S)n) Indicates the population adjustment scheme set when the nth car is in, and u (S)n)∈D(Sn)；u(Sn+1) Indicates that the number of the adjusted persons in the (n + 1) th carriage is Sn+1One people number adjustment scheme; d (S)n，u(Sn+1) Indicates that the number of persons adjusted in the (n + 1) th car is Sn+1Meanwhile, the number of people in the nth compartment is adjusted; f (u (S)n+1) Indicates that the number of persons adjusted in the (n + 1) th car is Sn+1(ii) a And f (u (S) when n is the last carn+1))＝0。
Preferably, the step S201) of determining whether the number of passengers in the car reaches the expected car passenger flow value E includes the following steps:
s2011) when x is less than or equal to E, the method is directly connected to a decision module to obtain a proper platform passenger flow guiding scheme, namely, the method does not guide passenger flow in a carriage;
when x is larger than E, transmitting the number of passengers getting on and off the carriages collected by the vehicle-mounted camera and the platform camera to a computing unit, and preparing to process the data of the passengers getting on and off the carriages of each station collected by the vehicle-mounted camera and the platform camera by a mathematical method;
in the formula, x is the number of passengers in the compartment in one getting-on and getting-off period, and E is the expected value of passenger flow in the compartment;
s2012), calculating the number of passengers getting on or off the train according to the number of the passengers collected by the vehicle-mounted camera and the platform camera, and obtaining the average number of the passengers in the train;
[(a1-b1)+(a2-b2)+...+(an-bn)]÷n＝X；
in the formula, anThe number of passengers getting on the nth compartment, bnThe number of passengers getting off the nth compartment is X, and the average number of passengers in the compartment is X;
s2013), obtaining the number of passengers needing to be guided by the nth compartment according to the number of passengers getting on or off the compartment, which is collected by the vehicle-mounted camera and the platform camera;
|an-bn-X|＝|x'n|；
wherein, | x'nI is the number of passengers needing to be guided by the nth carriage;
s2014), judging the increase and decrease conditions of the number of passengers to be guided in the nth compartment;
x'nWhen the speed is more than 0, the nth carriage is reduced by x'nA human;
x'n< 0, then n th carriage increases x'nA human;
x'nIf the number of the adjacent cars is 0, carrying out passenger flow guidance on the nth car according to the situation of the adjacent car;
s2015), determining the passenger flow guiding direction as bidirectional guiding; and carrying out bidirectional guidance on the passenger flow of the nth section of the carriage.
Preferably, step S202) includes the steps of:
s2021), according to the number of passengers getting on or off the train in each carriage collected by the vehicle-mounted camera and the platform camera, the number of passengers needing to be guided in the nth-1 section of carriage;
|an-1-bn-1-X|＝|x'n-1|；
in the formula, an-1The number of passengers getting on the nth-1 carriage, bn-1Is the number of people getting off the carriage of the (n-1) th carriage, | x'n-1I is the number of passengers needing to be guided by the (n-1) th carriage;
s2022), determining the number of passengers needing to be guided by the (n-1) th carriage by using a min function according to the number of passengers getting on or off the carriage, which is acquired by the vehicle-mounted camera and the platform camera;
Figure BDA0003081995880000061
in the formula (I), the compound is shown in the specification,
Figure BDA0003081995880000062
determining the function of the minimum number of people needing to be guided in the (n-1) th compartment;
Figure BDA0003081995880000063
is the (n-1) th compartment when x'nAdjustment scheme > 0;
Figure BDA0003081995880000064
is the (n-1) th compartment when x'nAn adjustment scheme below 0;
Figure BDA0003081995880000065
denotes when x'nWhen the speed is more than 0, the nth carriage is reduced by x'nA human;
Figure BDA0003081995880000066
denotes when x'nIf < 0, adding x 'to the nth compartment'nA human; sn-1The number of people for adjusting the nth-1 carriage;
Figure BDA0003081995880000067
is when x'nWhen the number is more than 0, the number of the adjusted people in the nth carriage is increased;
Figure BDA0003081995880000068
is when x'nWhen the number is less than 0, the number of people for adjusting the nth carriage is increased;
s2023), when x'nWhen the number is more than 0, the number of passengers to be guided in the (n-1) th compartment is calculated;
Figure BDA0003081995880000071
wherein, | x'n-1-x'nL is when x'nWhen the number is more than 0, the number of passengers needs to be guided in the (n-1) th compartment;
s2024), during one sampling period,x'nIf the number is more than 0, judging that the number of passengers needs to be guided in the (n-1) th compartment;
x'n-1-x'nWhen the speed is more than 0, the (n-1) th carriage is reduced by x'n-1-x'nA human;
x'n-1-x'nIf < 0, increasing x 'to the n-1 st carriage'n-1-x'nA human;
s2025), calculating when x'nWhen the number is less than 0, the number of passengers needs to be guided in the (n-1) th compartment;
Figure BDA0003081995880000072
wherein, | x'n-1+x'nL is when x'nWhen the number is less than 0, the number of passengers needs to be guided in the (n-1) th compartment;
s2026), when x'nIf the number is less than 0, judging that the number of passengers needs to be guided in the (n-1) th compartment;
x'n-1+x'nWhen the speed is more than 0, the (n-1) th carriage is reduced by x'n-1+x'nA human;
x'n-1+x'nIf < 0, increasing x 'to the n-1 st carriage'n-1+x'nA human;
s2027), repeating the steps, and obtaining the number of passengers needing to be guided by the (n + 1) th compartment after the passengers in the nth compartment are obtained according to the number of passengers getting on or off the compartment, which is acquired by the vehicle-mounted camera and the platform camera, in a sampling period;
Figure BDA0003081995880000073
in the formula (I), the compound is shown in the specification,
Figure BDA0003081995880000074
determining the function of the minimum number of people needing to be guided in the (n + 1) th compartment;
Figure BDA0003081995880000075
is section n +1X 'of carriage'nAdjustment scheme > 0;
Figure BDA0003081995880000076
is the (n + 1) th compartment when x'nAn adjustment scheme below 0; sn+1The number of the adjusted persons in the (n + 1) th carriage.
The invention has the beneficial effects that:
1. the invention utilizes a passenger flow information acquisition subsystem to acquire the information of a starting point and an end point of the subway passenger in real time; the number of passengers in the carriage and the number of passengers getting on or off the carriage;
2. according to the invention, the passenger flow information collected by the AFC, the vehicle-mounted camera and the platform camera is received by the dynamic passenger flow balancing subsystem and is transmitted to the passenger flow guiding scheme obtained by the dynamic passenger flow balancing module, so that the dynamic passenger flow in the subway carriage and the dynamic passenger flow at the platform are balanced;
3. the invention displays a passenger flow balancing scheme to guide passenger flow to move and displays a platform passenger flow balancing scheme to guide passenger flow to queue to the carriage and the platform through the carriage guide display screen and the platform guide display screen;
4. the method comprises the steps of identifying acquired passenger flow information in a carriage through a vehicle-mounted camera, judging whether the passenger flow in the carriage reaches a carriage passenger flow expected value, if the number of passengers in the carriage in a getting-on/off period is less than the carriage passenger flow expected value, guiding the passenger flow in the carriage without guiding, and if the number of passengers in the carriage in a getting-on/off period is more than the carriage passenger flow expected value, guiding the passenger flow in the carriage;
5. the invention can solve the problems of unbalanced carriage utilization and poor passenger riding comfort caused by too many or too few passengers in a certain section of the subway.
Drawings
FIG. 1 is a structural framework diagram of the system of the present invention;
FIG. 2 is a schematic diagram of a framework architecture of a dynamic passenger flow balancing subsystem according to the present invention;
FIG. 3 is a schematic view of the passenger flow guidance of the present invention;
FIG. 4 is a flow chart of a dynamic passenger flow balancing method according to the present invention;
fig. 5 is a flowchart of inventive method step S2).
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
example 1
As shown in fig. 1-2, the present embodiment provides a dynamic passenger flow balancing system for a subway car, where the system adopts a bidirectional guidance mode, and includes a passenger flow information collection subsystem, a dynamic passenger flow balancing subsystem, and a dynamic passenger flow guidance subsystem;
the passenger flow information acquisition subsystem comprises
The automatic fare collection system AFC is used for collecting information of a starting point and an end point of taking a subway passenger;
the vehicle-mounted camera is used for collecting the number of passengers in the carriage;
the platform camera is used for collecting the number of people getting on or off each carriage;
as shown in fig. 3, the dynamic passenger flow balancing subsystem includes a getting-off passenger flow prediction module and a dynamic passenger flow balancing module, both of which are connected to the server; the get-off passenger flow prediction module is used for receiving passenger flow information collected by an AFC (automatic control Unit), a vehicle-mounted camera and a platform camera, performing statistical analysis on the collected subway passenger starting point and terminal point information, predicting the number of get-off passengers at the next station, and transmitting the predicted number to a passenger flow guidance scheme obtained by the dynamic passenger flow balancing module;
the getting-off passenger flow prediction module is used for carrying out statistical analysis on passenger destination information acquired by an automatic fare collection system (AFC) and on-off passenger flow data of each carriage acquired by a platform camera, and predicting the number of people getting off at the next station;
the dynamic passenger flow balancing module is used for balancing the dynamic passenger flow in the subway carriages and the dynamic passenger flow at the platform according to the passenger flow data of getting on or off the subway carriages collected by the platform camera and the passenger flow information in the carriages collected by the vehicle-mounted camera;
the dynamic passenger flow guidance subsystem comprises:
the carriage guiding display screen guides the carriage passenger flow to move by displaying a carriage passenger flow guiding scheme obtained by the dynamic passenger flow balancing subsystem;
the platform guide display screen guides passenger flow to queue by displaying a platform passenger flow guide scheme obtained by the dynamic passenger flow balancing subsystem;
the communication module is used for connecting a carriage guide display screen, a platform guide display screen, a passenger information system PIS and a dynamic passenger flow balancing module of the dynamic passenger flow balancing subsystem so as to transmit passenger flow information between stations and trains;
and the passenger information system PIS is used for receiving the carriage passenger flow balancing scheme and the platform passenger flow balancing scheme, editing and composing the carriage passenger flow balancing scheme and the platform passenger flow balancing scheme to generate a program list, then issuing information, and playing the program through the carriage guide display screen and the platform guide display screen according to the program.
Preferably, the automatic fare collection system AFC consists of an entrance gate, an exit gate, a server, a computer and a database.
Preferably, the get-off passenger flow prediction module includes:
the storage unit is used for storing passenger destination information acquired by AFC (automatic frequency control) at each line station and each item of boarding passenger flow data acquired by the platform camera;
the prediction unit is connected with the storage unit and used for analyzing carriage getting-off passenger flow data acquired by the AFC acquired passenger destination information platform camera and predicting the number of people getting-off in each carriage by a plurality of prediction methods; and transmitting the result of the predictive analysis to a dynamic passenger flow average module.
Preferably, the dynamic passenger flow balancing module includes:
the judging unit is used for identifying the acquired passenger flow information in the carriage through the vehicle-mounted camera and judging whether the passenger flow in the carriage reaches the expected passenger flow value of the carriage or not;
the computing unit is used for processing the passenger flow expected value of the carriage judged by the judging unit, and computing the passenger flow data collected by the vehicle-mounted camera and the platform camera by a passenger flow prediction method if the passenger flow in the carriage reaches the passenger flow expected value of the carriage;
and the decision unit is used for deciding a proper carriage passenger flow guiding scheme according to the result obtained by the calculation unit and deciding a proper platform passenger flow guiding scheme according to the result obtained by the prediction unit.
Preferably, the car guidance display screen is connected to the vehicle AP to receive the car passenger guidance plan delivered by the dynamic passenger balancing subsystem.
Preferably, the platform guidance display screen receives a platform passenger flow guidance scheme transmitted by the dynamic passenger flow balancing subsystem through a station local area network.
Example 2
As shown in fig. 4 and 5, the present embodiment provides a dynamic equalization method for passenger flow in a subway car, including the following steps:
s1), collecting subway passenger starting point and terminal point information by using an automatic fare collection system AFC, and counting the number of passengers in a subway carriage and the number of passengers getting on or off a platform by using a vehicle-mounted camera and a platform camera;
s2), carrying out statistical analysis on the collected start point and end point information of the subway passengers, predicting the number of people getting off at the next station, and balancing the dynamic passenger flow in the subway carriages and the dynamic passenger flow at the platform by a passenger flow dynamic balancing method;
s3), displaying the dynamic passenger flow information and the scheme for balancing the passenger flow to the passengers through the electronic display screen so as to guide the dynamic passenger flow in the carriage and the dynamic passenger flow at the platform.
Preferably, the step S2) includes the following steps:
s201), firstly, judging whether the number of passengers in the carriage reaches the expected passenger flow value E of the carriage by utilizing a judging unit; if the number of passengers is up or down, the average number of passengers in the carriage and the number of passengers to be guided by each carriage are obtained according to the number of passengers on or off the carriage, which is collected by the vehicle-mounted camera and the platform camera;
s202), according to the number of passengers getting on and off the train in the carriage collected by the vehicle-mounted camera and the platform camera, and the passenger guiding mode min () with the minimum number of passengers needing to move in the adjacent carriage;
s203), defining a passenger flow balance function f (S) according to the passenger number of getting on or off the train and the passenger flow balance function collected by the vehicle-mounted camera and the platform camera in the carriage and the passenger number required to be guided by other carriages obtained by repeating the stepsn) Comprises the following steps:
Figure BDA0003081995880000121
in the formula, N is the grouping number of the subway, and N belongs to N +) SnThe adjusted population represented as nth car; u (S)n) Indicating a people adjustment for the nth car; d (S)n) Indicates the population adjustment scheme set when the nth car is in, and u (S)n)∈D(Sn)；u(Sn+1) Indicates that the number of the adjusted persons in the (n + 1) th carriage is Sn+1One people number adjustment scheme; d (S)n，u(Sn+1) Indicates that the number of persons adjusted in the (n + 1) th car is Sn+1Meanwhile, the number of people in the nth compartment is adjusted; f (u (S)n+1) Indicates that the number of persons adjusted in the (n + 1) th car is Sn+1(ii) a And f (u (S) when n is the last carn+1))＝0。
Preferably, the step S201) of determining whether the number of passengers in the car reaches the expected car passenger flow value E includes the following steps:
s2011) when x is less than or equal to E, the method is directly connected to a decision module to obtain a proper platform passenger flow guiding scheme, namely, the method does not guide passenger flow in a carriage;
when x is larger than E, transmitting the number of passengers getting on and off the carriages collected by the vehicle-mounted camera and the platform camera to a computing unit, and preparing to process the data of the passengers getting on and off the carriages of each station collected by the vehicle-mounted camera and the platform camera by a mathematical method;
in the formula, x is the number of passengers in the compartment in one getting-on and getting-off period, and E is the expected value of passenger flow in the compartment;
s2012), calculating the number of passengers getting on or off the train according to the number of the passengers collected by the vehicle-mounted camera and the platform camera, and obtaining the average number of the passengers in the train;
[(a1-b1)+(a2-b2)+...+(an-bn)]÷n＝X；
in the formula, anThe number of passengers getting on the nth compartment, bnThe number of passengers getting off the nth compartment is X, and the average number of passengers in the compartment is X;
s2013), obtaining the number of passengers needing to be guided by the nth compartment according to the number of passengers getting on or off the compartment, which is collected by the vehicle-mounted camera and the platform camera;
|an-bn-X|＝|x'n|；
wherein, | x'nI is the number of passengers needing to be guided by the nth carriage;
s2014), judging the increase and decrease conditions of the number of passengers to be guided in the nth compartment;
x'nWhen the speed is more than 0, the nth carriage is reduced by x'nA human;
x'n< 0, then n th carriage increases x'nA human;
x'nIf the number of the adjacent cars is 0, carrying out passenger flow guidance on the nth car according to the situation of the adjacent car;
s2015), determining the passenger flow guiding direction as bidirectional guiding; and carrying out bidirectional guidance on the passenger flow of the nth section of the carriage.
Preferably, step S202) includes the steps of:
s2021), according to the number of passengers getting on or off the train in each carriage collected by the vehicle-mounted camera and the platform camera, the number of passengers needing to be guided in the nth-1 section of carriage;
|an-1-bn-1-X|＝|x'n-1|；
in the formula, an-1The number of passengers getting on the nth-1 carriage, bn-1Is the number of people getting off the carriage of the (n-1) th carriage, | x'n-1I is the number of passengers needing to be guided by the (n-1) th carriage;
s2022), determining the number of passengers needing to be guided by the (n-1) th carriage by using a min function according to the number of passengers getting on or off the carriage, which is acquired by the vehicle-mounted camera and the platform camera;
Figure BDA0003081995880000131
in the formula (I), the compound is shown in the specification,
Figure BDA0003081995880000132
determining the function of the minimum number of people needing to be guided in the (n-1) th compartment;
Figure BDA0003081995880000133
is the (n-1) th compartment when x'nAdjustment scheme > 0;
Figure BDA0003081995880000134
is the (n-1) th compartment when x'nAn adjustment scheme below 0;
Figure BDA0003081995880000135
denotes when x'nWhen the speed is more than 0, the nth carriage is reduced by x'nA human;
Figure BDA0003081995880000136
denotes when x'nIf < 0, adding x 'to the nth compartment'nA human; sn-1The number of people for adjusting the nth-1 carriage;
Figure BDA0003081995880000137
is when x'nWhen the number is more than 0, the number of the adjusted people in the nth carriage is increased;
Figure BDA0003081995880000138
is when x'nWhen the number is less than 0, the number of people for adjusting the nth carriage is increased;
s2023), when x'nWhen the number is more than 0, the number of passengers to be guided in the (n-1) th compartment is calculated;
Figure BDA0003081995880000141
wherein, | x'n-1-x'nL is when x'nWhen the number is more than 0, the number of passengers needs to be guided in the (n-1) th compartment;
s2024), during one sampling period, when x'nIf the number is more than 0, judging that the number of passengers needs to be guided in the (n-1) th compartment;
x'n-1-x'nWhen the speed is more than 0, the (n-1) th carriage is reduced by x'n-1-x'nA human;
x'n-1-x'nIf < 0, increasing x 'to the n-1 st carriage'n-1-x'nA human;
s2025), calculating when x'nWhen the number is less than 0, the number of passengers needs to be guided in the (n-1) th compartment;
Figure BDA0003081995880000142
wherein, | x'n-1+x'nL is when x'nWhen the number is less than 0, the number of passengers needs to be guided in the (n-1) th compartment;
s2026), when x'nIf the number is less than 0, judging that the number of passengers needs to be guided in the (n-1) th compartment;
x'n-1+x'nWhen the speed is more than 0, the (n-1) th carriage is reduced by x'n-1+x'nA human;
x'n-1+x'nIf < 0, increasing x 'to the n-1 st carriage'n-1+x'nA human;
s2027), repeating the steps, and obtaining the number of passengers needing to be guided by the (n + 1) th compartment after the passengers in the nth compartment are obtained according to the number of passengers getting on or off the compartment, which is acquired by the vehicle-mounted camera and the platform camera, in a sampling period;
Figure BDA0003081995880000143
in the formula (I), the compound is shown in the specification,
Figure BDA0003081995880000144
determining the function of the minimum number of people needing to be guided in the (n + 1) th compartment;
Figure BDA0003081995880000145
is the (n + 1) th compartment when x'nAdjustment scheme > 0;
Figure BDA0003081995880000146
is the (n + 1) th compartment when x'nAn adjustment scheme below 0; sn+1The number of the adjusted persons in the (n + 1) th carriage.
The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as hereinafter claimed.

Claims (9)

1.一种地铁车厢客流动态均衡系统，其特征在于，所述的系统采用双向引导方式，其包括客流信息采集子系统、动态客流均衡子系统和动态客流引导子系统；所述的客流信息采集子系统通过通讯模块与动态客流均衡子系统通讯连接，所述的动态客流引导子系统通过通讯模块与动态客流均衡子系统通讯连接，其中，1. a subway car passenger flow dynamic balance system, is characterized in that, described system adopts two-way guidance mode, and it comprises passenger flow information collection subsystem, dynamic passenger flow equalization subsystem and dynamic passenger flow guidance subsystem; Described passenger flow information collection The subsystem is in communication connection with the dynamic passenger flow equalization subsystem through the communication module, and the dynamic passenger flow guidance subsystem is in communication connection with the dynamic passenger flow equalization subsystem through the communication module, wherein, 所述的客流信息采集子系统包括The passenger flow information collection subsystem includes 自动售检票系统AFC，用以采集地铁乘客乘车起点及终点信息；The automatic fare collection system AFC is used to collect the starting and ending information of subway passengers; 车载摄像头，设置在地铁车厢内，用于采集车厢内乘客人数信息；Vehicle-mounted camera, installed in the subway car, used to collect information on the number of passengers in the car; 站台摄像头，安装在站台附近，用于采集各节车厢的上、下车人数信息；The platform camera, installed near the platform, is used to collect information on the number of people getting on and off in each carriage; 所述的动态客流均衡子系统包括下车客流预测模块和动态客流均衡模块，所述的下车客流预测模块和动态客流均衡模块均与服务器连接；且通过交换机连接至通信主干网；The dynamic passenger flow equalization subsystem includes a drop-off passenger flow prediction module and a dynamic passenger flow balance module, and the alighting passenger flow prediction module and the dynamic passenger flow balance module are both connected to the server; and connected to the communication backbone network through a switch; 所述的下车客流预测模块用于接收由自动售检票系统AFC、车载摄像头、站台摄像头所采集的客流信息，并对采集的地铁乘客起点及终点信息进行统计分析，预测出下一站的下车人数，然后传送至动态客流均衡模块得出的客流引导方案；The alighting passenger flow prediction module is used to receive the passenger flow information collected by the automatic fare collection system AFC, on-board cameras, and platform cameras, and perform statistical analysis on the collected subway passenger starting and ending information to predict the next stop. The number of vehicles is then transmitted to the passenger flow guidance scheme obtained by the dynamic passenger flow balancing module; 所述的动态客流均衡模块用于根据站台摄像头采集的各车厢上下车客流数据、车载摄像头采集的车厢内客流信息，进而对地铁车厢内动态客流及站台的动态客流进行均衡；The dynamic passenger flow equalization module is used to balance the dynamic passenger flow in the subway car and the dynamic passenger flow on the platform according to the passenger flow data of each carriage getting on and off the train collected by the platform camera and the passenger flow information in the carriage collected by the on-board camera; 所述的动态客流引导子系统包括：The dynamic passenger flow guidance subsystem includes: 车厢引导显示屏，通过展示由动态客流均衡子系统得到的车厢客流引导方案，引导车厢客流移动；The carriage guidance display screen guides the movement of carriage passenger flow by displaying the carriage passenger flow guidance scheme obtained by the dynamic passenger flow balancing subsystem; 站台引导显示屏，通过展示由动态客流均衡子系统得出的站台客流引导方案，引导客流排队；The platform guide display screen, by displaying the platform passenger flow guidance scheme obtained by the dynamic passenger flow balancing subsystem, guides the passenger flow to queue; 通讯模块，用于连接车厢引导显示屏、站台引导显示屏、乘客信息系统PIS及所述动态客流均衡子系统的动态客流均衡模块，以进行车站、列车间的客流信息传输；The communication module is used to connect the carriage guidance display screen, the platform guidance display screen, the passenger information system PIS and the dynamic passenger flow balancing module of the dynamic passenger flow balancing subsystem, so as to transmit the passenger flow information between stations and trains; 乘客信息系统PIS，用于接收车厢客流均衡方案及站台客流均衡方案，对车厢客流均衡方案及站台客流均衡方案进行编辑、排版，生成节目表，再进行信息发布，按照节目通过车厢引导显示屏和站台引导显示屏表进行播放。The passenger information system PIS is used to receive the passenger flow balance plan of the carriage and the passenger flow balance plan of the platform, edit and typeset the passenger flow balance plan of the carriage and the passenger flow balance plan of the platform, generate the program schedule, and then release the information, and guide the display screen and the platform according to the program. The platform guide display table is played. 2.根据权利要求1所述的一种地铁车厢客流动态均衡系统，其特征在于：所述的自动售检票系统AFC由进出站闸机、服务器，计算机、数据库组成。2 . The system for dynamic balancing of passenger flow in subway cars according to claim 1 , wherein the automatic fare collection system AFC is composed of entry and exit gates, servers, computers, and databases. 3 . 3.根据权利要求1所述的一种地铁车厢客流动态均衡系统，其特征在于：所述的下车客流预测模块包括：3. A kind of subway car passenger flow dynamic balance system according to claim 1, is characterized in that: described alighting passenger flow prediction module comprises: 储存单元，用以储存各线路车站由AFC采集的乘客目的地信息和站台摄像头采集的各项下车客流数据；The storage unit is used to store the passenger destination information collected by the AFC at each line station and various alighting passenger flow data collected by the platform camera; 预测单元，连接上述储存单元，用以分析由AFC采集的乘客目的地信息站台摄像头采集的车厢下车客流数据，并通过多种预测方法预测个车厢的下车人数；并将预测分析的结果传送到动态客流均和模块。The prediction unit is connected to the above storage unit to analyze the passenger flow data collected by the camera of the passenger destination information platform collected by the AFC, and predict the number of people getting off the car through a variety of prediction methods; and transmit the results of the prediction analysis to the dynamic passenger flow balancing module. 4.根据权利要求1所述的一种地铁车厢客流动态均衡系统，其特征在于：所述的动态客流均衡模块包括：4. A kind of subway car passenger flow dynamic equalization system according to claim 1, is characterized in that: described dynamic passenger flow equalization module comprises: 判断单元，用于通过车载摄像头识别所采集的车厢内客流信息判断车厢内客流是否达到车厢客流期望值；a judging unit, used for judging whether the passenger flow in the carriage reaches the expected passenger flow value of the carriage by identifying the passenger flow information in the carriage collected by the vehicle-mounted camera; 计算单元，用于根据判断单元判断的车厢客流期望值进行处理，若车厢内客流达到车厢客流期望值，则通过客流预测方法对车载摄像头、站台摄像头所采集的客流数据进行计算处理；The calculation unit is used for processing according to the expected value of passenger flow in the compartment judged by the judgment unit. If the passenger flow in the compartment reaches the expected value of passenger flow in the compartment, the passenger flow data collected by the vehicle-mounted camera and the platform camera will be calculated and processed by the passenger flow prediction method; 决策单元，用于根据计算单元得出的结果决策出合适的车厢客流引导方案，以及根据预测单元得出的结果决策出合适的站台客流引导方案。The decision-making unit is used to decide a suitable passenger flow guidance scheme of the carriage according to the result obtained by the calculation unit, and to decide a suitable platform passenger flow guidance scheme according to the result obtained by the prediction unit. 5.根据权利要求1所述的一种地铁车厢客流动态均衡系统，其特征在于：所述的车厢引导显示屏连接车载AP，用以接收由动态客流均衡子系统传递的车厢客流引导方案。5 . The system of claim 1 , wherein the passenger flow dynamic equalization system in a subway car is characterized in that: the car guidance display screen is connected to the vehicle AP to receive the passenger flow guidance scheme transmitted by the dynamic passenger flow equalization subsystem. 6 . 6.根据权利要求1所述的一种地铁车厢客流动态均衡系统，其特征在于：所述的站台引导显示屏通过车站局域网络接收由动态客流均衡子系统传递的站台客流引导方案。6 . The system of claim 1 , wherein the platform guidance display screen receives the platform passenger flow guidance scheme transmitted by the dynamic passenger flow balancing subsystem through the station local area network. 7 . 7.一种地铁车厢客流动态均衡方法，其特征在于，包括以下步骤：7. A method for dynamic balancing of passenger flow in subway cars, comprising the following steps: S1)、利用自动售检票系统AFC采集地铁乘客起点及终点信息，通过车载摄像头、站台摄像头地铁车厢内乘客人数、站台上下车乘客人数；S1), use the automatic ticket collection system AFC to collect the information of the starting point and the ending point of subway passengers, and use the vehicle camera and the platform camera to collect the number of passengers in the subway car, and the number of passengers getting on and off the platform; S2)、对采集的地铁乘客起点及终点信息进行统计分析，预测出下一站的下车人数，并通过客流动态均衡方法对地铁车厢内动态客流及站台的动态客流进行均衡；具体包括以下步骤：S2), carry out statistical analysis on the collected subway passenger starting point and end point information, predict the number of people getting off at the next station, and balance the dynamic passenger flow in the subway car and the dynamic passenger flow on the platform through the passenger flow dynamic balance method; specifically including the following steps : S201)、利用判断单元先判断车厢内乘客人数是否达到车厢客流期望值E；若达到，再根据车载摄像头、站台摄像头采集的车厢上下车乘客人数，得到车厢内乘客的平均人数，及各车厢需引导的乘客人数；S201), use the judgment unit to first judge whether the number of passengers in the carriage reaches the expected passenger flow value E in the carriage; if so, then according to the number of passengers getting on and off the carriage collected by the on-board camera and the platform camera, the average number of passengers in the carriage is obtained, and each carriage needs to be guided the number of passengers; S202)、根据车载摄像头、站台摄像头采集的车厢上下车乘客人数，以及相邻车厢需移动人数最小的引导乘客方式min()；S202), according to the number of passengers getting on and off in the carriage collected by the on-board camera and the platform camera, and the guide passenger mode min() that requires the smallest number of people to move in adjacent carriages; S203)、根据车载摄像头、站台摄像头采集的车厢上下车乘客人数及客流均衡函数，并重复以上步骤可得到其他车厢需引导的乘客人数，定义客流均衡函数f(Sn)为：S203), according to the number of passengers getting on and off in the carriage and the passenger flow balance function collected by the on-board camera and the platform camera, and repeating the above steps to obtain the number of passengers to be guided in other carriages, define the passenger flow balance function f(S n ) as:
Figure FDA0003081995870000031
Figure FDA0003081995870000031
 式中，n为地铁的编组数，n∈N+)Sn表示为第n节车厢的调整人数；u(Sn)表示第n节车厢的一种人数调整方案；D(Sn)表示当第n节车厢的人数调整方案集合，且u(Sn)∈D(Sn)；u(Sn+1)表示第n+1节车厢的调整人数为Sn+1时的一种人数调整方案；d(Sn，u(Sn+1))表示第n+1节车厢的调整人数为Sn+1时，第n节车厢的人数调整方案；f(u(Sn+1))表示第n+1节车厢的调整人数为Sn+1；且当n为最后一节车厢时，f(u(Sn+1))＝0；In the formula, n is the number of subway groups, n∈N+)S n represents the adjusted number of people in the nth car; u(S n ) represents a plan for adjusting the number of people in the n-th car; D(S n ) represents when The set of adjustment plans for the number of people in the nth car, and u(S n )∈D(S n ); u(S n+1 ) represents a number of people when the adjusted number of people in the n+1th car is Sn +1 Adjustment plan; d(S n , u(S n+1 )) represents the adjustment plan for the number of people in the nth car when the adjusted number of people in the n+1th car is Sn +1 ; f(u(Sn +1 )) means that the adjusted number of people in the n+1th car is Sn +1 ; and when n is the last car, f(u(Sn +1 ))=0; S3)、将动态客流信息及均衡客流的方案通过电子显示屏展示给乘客，用以引导车厢内的动态客流及站台的动态客流。S3), the dynamic passenger flow information and the plan of balancing passenger flow are displayed to the passengers through the electronic display screen, so as to guide the dynamic passenger flow in the carriage and the dynamic passenger flow on the platform. 8.根据权利要求7所述的一种地铁车厢客流动态均衡方法，其特征在于，步骤S201)中，判断车厢内乘客人数是否达到车厢客流期望值E具体包括以下步骤：8. a kind of subway car passenger flow dynamic balance method according to claim 7 is characterized in that, in step S201), judging whether the number of passengers in the car reaches the passenger flow expectation value E of the car specifically comprises the following steps: S2011)、当x≤Ε时，直接连接到决策模块，得出合适的站台客流引导方案，即不对车厢内客流进行引导；S2011), when x≤E, directly connect to the decision-making module to obtain a suitable platform passenger flow guidance scheme, that is, not to guide the passenger flow in the carriage; 当x＞E时，将车载摄像头、站台摄像头采集的各车厢上下车人数传送到计算单元，准备通过数学方法处理车载摄像头、站台摄像头所采集的各个站点的各节车厢上、下客流数据；When x>E, transmit the number of people getting on and off in each car collected by the on-board camera and the platform camera to the computing unit, and prepare to process the passenger flow data of each car at each site collected by the on-board camera and the platform camera by mathematical methods; 式中，x为一个上下车周期内车厢内乘客人数，E为车厢客流预期值；In the formula, x is the number of passengers in the carriage within a boarding cycle, and E is the expected passenger flow in the carriage; S2012)、计算根据车载摄像头、站台摄像头采集的车厢上下车乘客人数，所得到车厢内客流的平均人数；S2012), calculating the average number of passengers in the carriage according to the number of passengers getting on and off the train collected by the on-board camera and the platform camera; [(a1-b1)+(a2-b2)+...+(an-bn)]÷n＝X；[(a 1 -b 1 )+(a 2 -b 2 )+...+(a n -b n )]÷n=X; 式中，an为第n节车厢的上车人数，bn为第n节车厢的下车人数，X为车厢内乘客的平均人数；In the formula, an n is the number of people getting on the car in the nth car, b n is the number of people getting off the car in the nth car, and X is the average number of passengers in the car; S2013)、根据车载摄像头、站台摄像头采集的各车厢上、下车乘客人数得到第n节车厢需引导的乘客人数；S2013), obtain the number of passengers to be guided in the nth car according to the number of passengers getting on and off in each car collected by the on-board camera and the platform camera; |an-bn-X|＝|x′n|；|a n -b n -X|=|x′ n |; 式中，|x′n|为第n节车厢需引导的乘客人数；where |x′ n | is the number of passengers to be guided in the nth car; S2014)、判断第n节车厢需引导乘客人数的增减情况；S2014), judging the increase or decrease of the number of passengers to be guided in the nth carriage; 当x′n＞0时，则第n节车厢减少x′n人；When x' n > 0, then the nth car is reduced by x' n people; 当x′n＜0，则第n节车厢增加x′n人；When x′ n < 0, then the nth car increases by x′ n people; 当x′n＝0，则根据相邻车厢的情况对第n节车厢进行客流引导；When x′ n = 0, the passenger flow guidance for the nth car is carried out according to the conditions of the adjacent cars; S2015)、确定客流引导方向为双向引导；对第n节车厢的客流进行双向引导。S2015), determine that the passenger flow guidance direction is bidirectional guidance; perform bidirectional guidance for the passenger flow of the nth carriage. 9.根据权利要求7所述的一种地铁车厢客流动态均衡方法，其特征在于，步骤S202)包括以下步骤：9. a kind of subway car passenger flow dynamic equalization method according to claim 7 is characterized in that, step S202) comprises the following steps: S2021)、根据车载摄像头、站台摄像头采集的各车厢上、下车乘客人数，第n-1节车厢需引导的乘客人数；S2021), the number of passengers to be guided in the n-1th carriage according to the number of passengers getting on and off in each carriage collected by the on-board camera and the platform camera; |an-1-bn-1-X|＝|x′n-1|；|a n-1 -b n-1 -X|=|x′ n-1 |; 式中，an-1为第n-1节车厢的上车人数，bn-1为第n-1节车厢的下车人数，|x′n-1|为第n-1节车厢需引导的乘客人数；In the formula, a n-1 is the number of people getting on the car in the n-1th car, b n-1 is the number of people getting off the car in the n-1th car, and |x′ n-1 | the number of passengers guided; S2022)、根据车载摄像头、站台摄像头采集的各车厢上、下车乘客人数，并利用min函数来确定第n-1节车厢需引导的乘客人数；S2022), according to the number of passengers getting on and off in each carriage collected by the on-board camera and the platform camera, and using the min function to determine the number of passengers to be guided in the n-1th carriage;
Figure FDA0003081995870000051
Figure FDA0003081995870000051
 式中，
Figure FDA0003081995870000052
为确定第n-1节车厢需引导人数最少的函数；
Figure FDA0003081995870000053
为第n-1节车厢当x′n＞0时的调整方案；
Figure FDA0003081995870000054
为第n-1节车厢当x′n＜0时的调整方案；
Figure FDA0003081995870000055
表示当x′n＞0时，第n节车厢减少x′n人；
Figure FDA0003081995870000056
表示当x′n＜0时，第n节车厢增加x′n人；Sn-1为第n-1节车厢的调整人数；
Figure FDA0003081995870000057
为当x′n＞0时，第n节车厢的调整人数；
Figure FDA0003081995870000061
为当x′n＜0时，第n节车厢的调整人数；In the formula,
Figure FDA0003081995870000052
To determine the function of the minimum number of people to guide the n-1th car;
Figure FDA0003081995870000053
is the adjustment scheme for the n-1th car when x′ n >0;
Figure FDA0003081995870000054
is the adjustment scheme for the n-1th car when x′ n <0;
Figure FDA0003081995870000055
Indicates that when x' n > 0, the nth car reduces by x' n people;
Figure FDA0003081995870000056
Indicates that when x' n <0, the nth car increases x' n people; S n-1 is the adjusted number of people in the n-1th car;
Figure FDA0003081995870000057
is the adjusted number of people in the nth car when x′ n >0;
Figure FDA0003081995870000061
is the adjusted number of people in the nth car when x′ n <0; S2023)、当x′n＞0时，计算出第n-1节车厢需引导乘客人数；S2023), when x' n > 0, calculate the number of passengers to be guided in the n-1th carriage;
Figure FDA0003081995870000062
Figure FDA0003081995870000062
 式中，|x′n-1-x′n|为当x′n＞0时，第n-1节车厢需引导乘客人数；where |x′ n-1 -x′ n | is the number of passengers to be guided in the n-1th car when x′ n >0; S2024)、在一个采样周期内，当x′n＞0时，判断出第n-1节车厢需引导乘客人数；S2024), in a sampling period, when x' n > 0, determine the number of passengers to be guided in the n-1th carriage; 当x′n-1-x′n＞0时，则第n-1节车厢减少x′n-1-x′n人；When x' n-1 -x' n > 0, then the n-1th carriage is reduced by x' n-1 -x' n people; 当x′n-1-x′n＜0时，则第n-1节车厢增加x′n-1-x′n人；When x' n-1 -x' n <0, then the n-1th carriage increases x' n-1 -x' n people; S2025)、计算出当x′n＜0时，第n-1节车厢需引导乘客人数；S2025), calculate the number of passengers to be guided in the n-1th car when x′ n <0;
Figure FDA0003081995870000063
Figure FDA0003081995870000063
 式中，|x′n-1+x′n|为当x′n＜0时，第n-1节车厢需引导乘客人数；In the formula, |x′ n-1 +x′ n | is the number of passengers to be guided in the n-1th car when x′ n <0; S2026)、当x′n＜0时，判断出第n-1节车厢需引导乘客人数；S2026), when x′ n < 0, determine the number of passengers to be guided in the n-1th carriage; 当x′n-1+x′n＞0时，则第n-1节车厢减少x′n-1+x′n人；When x' n-1 +x' n > 0, then the n-1th carriage will reduce x' n-1 +x' n people; 当x′n-1+x′n＜0时，则第n-1节车厢增加x′n-1+x′n人；When x′ n-1 +x′ n <0, then the n-1th carriage increases x′ n-1 +x′ n people; S2027)、重复以上所述的步骤，在一个采样周期内，根据车载摄像头、站台摄像头采集的各车厢上、下车乘客人数，可得到第n节车厢乘客后，第n+1节车厢需引导的乘客人数；S2027), repeating the above steps, within a sampling period, according to the number of passengers getting on and off in each carriage collected by the on-board camera and the platform camera, after getting the passengers in the nth carriage, the n+1th carriage needs to be guided the number of passengers;
Figure FDA0003081995870000064
Figure FDA0003081995870000064
 式中，
Figure FDA0003081995870000065
为确定第n+1节车厢需引导人数最少的函数；
Figure FDA0003081995870000066
为第n+1节车厢当x′n＞0时的调整方案；
Figure FDA0003081995870000067
为第n+1节车厢当x′n＜0时的调整方案；Sn+1为第n+1节车厢的调整人数。In the formula,
Figure FDA0003081995870000065
In order to determine the function of the minimum number of people to guide the n+1th car;
Figure FDA0003081995870000066
is the adjustment scheme of the n+1th car when x′ n >0;
Figure FDA0003081995870000067
is the adjustment plan of the n+1th car when x′ n <0; S n+1 is the adjustment number of the n+1th car.
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