Background technology
In recent years, along with the development of China's urban construction and the continuous quickening of Urbanization Process, city dweller's travel amount sharply rises, and growing transport need has formed distinct contradiction with the bus dispatching system relatively lagging behind.
Current public transit system is still in traditional supervisor status, and main manifestations is following several aspect:
One, existing bus dispatching system riding information feeds back not in time, and vehicle driving data acquisition is unstable, and Operation Measures relatively lags behind, bus operation high expensive;
Two, existing bus dispatching is all manual operations, between each the bus on same road, does not set up mutual communication mechanism, and not in time, vehicle and stream of people's situation are difficult to grasp the information interaction of bus and control station, dispatch unreasonable;
Three, existing public transit system often adopts the control program that fixed point is dispatched a car, and the interval time between two buses is fixing (ten minutes) relatively, and, passenger is crowded by bus when on the peak, and resident trip is brought to certain difficulty; Ebb Shi Cheshang passenger is sparse, has caused certain wasting of resources;
Four, existing public transit system is not accurately located car, and when accident and dangerous situation appear in vehicle, the very difficult very first time is carried out passenger's rescue work, has caused the loss of life and property;
Although five present part companies have developed intelligent public transportation system and obtained local application, it is still in information island state, and complex structure, does not form unified standard, specification, does not more set up unified information platform.
Therefore, existing bus dispatching system can not meet the growing needs in city, can not be admitted by the trip resident who day by day increases severely.
Summary of the invention
The object of the invention is to, a kind of dispatching system of bus is provided, by ridership information in the each platform of Real-time Collection and bus and the outside driving of bus condition information, the combining wireless communication technology, solve current bus dispatching information sluggishness, the bus departure time is unreasonable, Public Resource waste, the present situation that bus operation cost is high.
To achieve these goals, the technical scheme that the present invention proposes is that a kind of dispatching system of bus, is characterized in that described dispatching system comprises image acquisition subsystem, radio communication subsystem, satellite navigation subsystem and pulpit server;
Described image acquisition subsystem comprises camera in the car that is arranged on bus inside, is arranged on the outer camera of car of bus outside and is arranged on the platform camera on bus platform;
Described radio communication subsystem comprises the bus wireless transmitting terminal that is arranged on bus, is arranged on the bus wireless receiving end on bus and is arranged on the platform wireless transmission end on bus platform;
Described satellite navigation subsystem comprises the user side receiving chip being arranged on bus;
In described car, camera is connected with bus wireless transmitting terminal respectively with the outer camera of car, in car, the outer camera of camera and car is respectively used to obtain the image information of bus inside and the image information of bus outside, and sends it to bus wireless transmitting terminal;
Described bus wireless transmitting terminal is connected with pulpit server, for receiving the image information of bus inside and the image information of bus outside, and sends it to pulpit server;
Described platform camera is connected with platform wireless transmission end, for obtaining the image information of platform and being sent to platform wireless transmission end;
Described platform wireless transmission end is connected with pulpit server with bus wireless receiving end respectively, for receiving the image information of platform and send it to bus wireless receiving end and pulpit server;
Described bus wireless receiving end is connected with pulpit server with platform wireless transmission end respectively, the image information of platform and the transfer instruction of pulpit server transmission that send for receiving platform wireless transmission end;
Described user side receiving chip is connected with pulpit server, is sent to pulpit server for the satellite navigation information that bus is received;
Described pulpit server is connected with user side receiving chip with bus wireless transmitting terminal, bus wireless receiving end, platform wireless transmission end respectively, for receiving the image information of bus inside, the image information of bus outside, image information and the satellite navigation information of platform, and dispatch command is sent to bus wireless receiving end.
Described dispatching system comprises alarm unit, and described alarm unit is connected with bus wireless transmitting terminal.
The invention solves current bus dispatching information sluggishness, the bus departure time is unreasonable, Public Resource waste, the problem that bus operation cost is high.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment is elaborated.Should be emphasized that, following explanation is only exemplary, instead of in order to limit the scope of the invention and to apply.
Fig. 1 is the dispatching system structural drawing of a kind of bus provided by the invention.In Fig. 1, the dispatching system of bus provided by the invention comprises image acquisition subsystem, radio communication subsystem, satellite navigation subsystem and pulpit server.Image acquisition subsystem comprises camera in the car that is arranged on bus inside, is arranged on the outer camera of car of bus outside and is arranged on the platform camera on bus platform.Radio communication subsystem comprises the bus wireless transmitting terminal that is arranged on bus, is arranged on the bus wireless receiving end on bus and is arranged on the platform wireless transmission end on bus platform.Satellite navigation subsystem comprises the user side receiving chip being arranged on bus.
In car, camera is connected with bus wireless transmitting terminal respectively with the outer camera of car, bus wireless transmitting terminal is connected with pulpit server, platform camera is connected with platform wireless transmission end, platform wireless transmission end is connected with pulpit server with bus wireless receiving end respectively, bus wireless receiving end is connected with pulpit server with platform wireless transmission end respectively, user side receiving chip is connected with pulpit server, pulpit server respectively with bus wireless transmitting terminal, bus wireless receiving end, platform wireless transmission end is connected with user side receiving chip.
Fig. 2 is the image acquisition subsystem location drawing.In Fig. 2, image acquisition subsystem is mainly distributed in three positions: bus inside, the platform of bus outside and each bus.The acquisition subsystem of three positions all and between pulpit, set up radio communication and be connected, is realized the Real-time Collection of image information.
The image acquisition process of bus inside mainly completes by being arranged on camera in the car of bus inside.The size of the quantity basis vehicle of camera in car and different, taking the common medium-sized bus of flygate formula as example, need to camera in a car be respectively installed at headstock and the tailstock, in larger vehicle car, the number of camera can correspondingly increase, and final purpose realizes panoramic shooting in car.The information exchange of camera collection is crossed the bus wireless transmitting terminal being arranged on bus and is transferred to pulpit in car, and on the screen of pulpit, shows in real time passenger inside the vehicle's situation of riding.By image acquisition, realize on the one hand the real-time monitoring to situation in car, be convenient to the solution of accident dispute and solve a case fast, for the processing of accident provides foundation, be conducive to reduce crime; On the other hand, driver driving process is exercised supervision, specification driver's vehicular behavior.Meanwhile, in car, camera is realized the real-time monitoring to the volume of the flow of passengers in car, analyzes passenger inside the vehicle's quantity, and information is fed back to pulpit server system by image recognition technology, produces the foundation of dispatch command as server system.In the time that in car, passenger traffic volume is more, server system thinks that car is interior crowded, just can produce dispatch command, and corresponding frequency increase, alleviates the volume of the flow of passengers; In the time that in car, passenger traffic volume is less, server system thinks that passenger inside the vehicle is sparse, produces equally dispatch command, reduces accordingly order of classes or grades at school, has avoided the waste in bus operation process.
The image acquisition process of bus outside is mainly completed by the outer camera of the car that is arranged on bus outside.The outer camera of car is mainly arranged on automobile top position on the lower side, as shown in Figure 2.Between the outer camera of car and pulpit, also adopt communication, realize the real-time monitoring of bus external circumstances.On the one hand, the outer traffic information of outside camera collection car, congestion in road situation, provides dispatch command for pulpit.Meanwhile, the outer acquisition system of car also realizes in bus driving process crosses the border, hypervelocity, and the monitoring of the abnormal activities such as delay at stop, forms certain constraint to driver, guarantees traffic safety.
The image acquisition process at platform place is mainly completed by the platform camera that is arranged on bus platform place, and Main Function is to realize the ridership quantitative statistics of waiting on the way.The information exchange of platform camera collection is crossed the pulpit of the platform wireless transmission end transmission that is arranged on platform place, pulpit server system counts each platform place passengers quantity of waiting by image processing techniques, carry out Train Dispatching in conjunction with car inside passengers quantity, the platform place passengers quantity priority ratio passenger inside the vehicle quantity priority of waiting is higher.More when the inner passengers quantity of car, and each platform place waits passengers quantity when also more, and pulpit server system sends frequency increase instruction; When in a certain period on the way platform place wait passengers quantity when less, server system sends and reduces order of classes or grades at school instruction.
Radio communication subsystem structural drawing as shown in Figure 3.It mainly adopts 3G communication to carry out the wireless transmission of information, it is a kind of honeycomb mobile communication technology of supporting high speed data transfer, and can transmit sound and data message simultaneously, transfer rate also, more than hundreds of kbps, can meet the requirement of native system communication.Communication between radio communication subsystem mainly comprises following several aspect: Beidou satellite navigation system positional information and camera information are delivered to pulpit, steering order is issued to each bus unit, front bus communication is to rear bus, and platform place camera information is delivered to the two-way communication between bus and bus and pulpit.
Bus positional information and each camera information are delivered to pulpit server by radio communication subsystem, is convenient to the generation of server scheduling instruction.After server scheduling instruction forms, be sent back to bus by Wireless Telecom Equipment, play scheduling effect.
Because public transit vehicle outside is provided with camera, with in each bus on the way, the bus at website place can be by the outer camera collection traffic information of car and waiting station platform place passenger flow information above, the communication that handle collects is on the one hand to pulpit, a bus after again the information collecting being delivered on the other hand, be convenient to driver below and check in advance road conditions, the volume of the flow of passengers, carry out driving and prepare.
This dispatching system can also comprise alarm unit, and Fig. 4 is the dispatching system structural drawing of the bus that contains alarm unit, and the alarm unit in Fig. 4 is connected with bus wireless transmitting terminal.Concrete enforcement is alarm button to be set in headstock position, when driving break down and car in occur to break laws and commit crime when accident, driver's button that pushes for emergency, warning message is transferred to pulpit by wireless communication technology, internal control personnel in pulpit, by transferring car internal control picture monitoring vehicle inner case, are convenient to process in time relevant accident.
Fig. 5 is satellite navigation subsystem work schematic diagram.As shown in Figure 5, bus inside is provided with Beidou satellite navigation system user side receiver, by automotive interior, wireless communication system is installed vehicle geographical location information is transferred to pulpit, the GIS(Geographic Information System of pulpit server) geodata receiving is carried out to analyzing and processing, on the one hand bus geographical location information is shown in real time, bus is realized to circuit monitoring, determine the particular location of each bus; On the other hand, in the time that vehicle runs into fault and stops, pulpit can obtain vehicle position information in time, in the very first time, takes emergency measures, and guarantees passenger safety trip.
The scheduling feature of dispatching system is mainly completed by the server that is arranged on bus scheduling chamber interior, it receives camera image acquisition system information on the one hand, the warning message that Beidou satellite navigation system information and bus driver are beamed back, produce dispatch command according to the information receiving on the other hand, concrete scheduling process is as follows:
(4.1) server system passes through to analyze the ridership information of platform place camera collection, the passengers quantity information of camera collection in car, and the passengers quantity in recognition image, sends the instruction of increase and decrease order of classes or grades at school, and concrete scheduling process is as follows:
| The platform place passengers quantity of waiting | Passenger inside the vehicle's quantity | Dispatch command |
| Many | Many | Frequency increase |
| Many | Few | Dispatch a car |
| Few | Many | Do not dispatch a car |
| Few | Few | Less order of classes or grades at school, does not dispatch a car |
1) dispatching a car in upper table refers to that current state issues a bus, if this bus can not have been picked the passenger that waits, sends out second bus again; Not dispatching a car is also temporary transient not dispatching a car, when being transformed into other scheduling method in appearance table when other state.
2) number of passengers quantity is using the carrying capacity of a bus as measurement index, and when total passenger is during higher than the carrying capacity of a bus, system thinks that the passengers quantity of waiting is more, otherwise the passengers quantity that is judged to be to wait is less.
(4.2) server is made a video recording outward and is gathered image information and the definite positional information of Beidou satellite navigation system by analyzing car, determine position of bus and road conditions situation, when road conditions are poor while many buses being blocked up lose in last section to the passenger of section platform place carrying capacity below, after system control, bus is crossed the platform (above bus block up go to station and do not stop) in the section that blocks up above, directly by the turn away transport at platform place of other tracks or route, realize section passenger's transport below, shown in concrete scheduling process Fig. 6.
Effect of the present invention is:
(1) adopted video technique to monitor environment inside car, be conducive to situation in monitor staff's real time inspection car, be convenient to process in time relevant accident, created environment by bus good in bus, made citizens' activities more secure.
(2) the outer video monitoring of car is monitored driving situation, and be conducive to monitor staff and check whether vehicle occurs overreach, delay at stop, earlier, the situation such as late, has reduced driver's violation operation, has promoted transit quality of service.
(3) by wait ridership and passenger inside the vehicle's flow of Direct Analysis platform, bus is dispatched, substitute the manual scheduling scheme that traditional timing is dispatched a car, avoid peak period passenger on public transport to block up, the present situation that low peak period passenger on public transport is sparse, realize the rational allocation to Public Resource, reduced bus operation cost.
(4) adopt the real-time monitoring vehicle of Beidou satellite navigation technological orientation to ride position, to be conducive to control location interval between collinear vehicle, make vehicle resources obtain maximum using.
(5) realized the communication between bus, made bus driver predict in advance front platform place passenger flow and traffic information, carried out driving and prepare, regulative mode is more flexible.
(6) scheduling process adopts computing machine to generate, and artificial definite mode, has saved certain human resources, makes more hommization of despatching work.
The above; only for preferably embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.