CN103426218A - Passenger flow collecting method and system based on bus smart cards and vehicular equipment - Google Patents
Passenger flow collecting method and system based on bus smart cards and vehicular equipment Download PDFInfo
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- CN103426218A CN103426218A CN2013103566416A CN201310356641A CN103426218A CN 103426218 A CN103426218 A CN 103426218A CN 2013103566416 A CN2013103566416 A CN 2013103566416A CN 201310356641 A CN201310356641 A CN 201310356641A CN 103426218 A CN103426218 A CN 103426218A
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Abstract
The invention provides a passenger flow collecting method and system based on bus smart cards and vehicular equipment. The method includes the steps of 101), communicating with a POS machine network through 485 interfaces, outputting standard NMEA position time information, and keeping the POS machines synchronous in time; 102), transmitting instructions to the POS machines one by one at the middle points of two stations, by the POS machines, updating increased transaction information after receiving the instructions, and executing the same operation until data of all POS machines are read by the vehicular equipment; 103), calculating getting-on and getting-off and passenger number data of a current bus when data of all POS machines are collected, and uploading the getting-on and getting-off and passenger number data in combination with the increased transaction information; wherein the instructions include POS machine number and instruction contents, the increased transaction data includes transaction type, getting-on and getting-off station number and balance information, getting-on wiping data includes getting-on station number and balance in the card, and getting-off transaction data further includes getting-off station number, charging and the balance information.
Description
Technical field
The present invention relates to the traffic communication field, be specifically related to a kind of bus passenger flow data real time acquiring method of all-purpose card POS machine.
Background technology
The all-purpose card transaction data of public transit vehicle mainly relies on special data collection station collection at present.Every day, vehicle passed through wire transmission mode after coming off duty and getting back to station, and each all-purpose card POS machine of vehicle is carried out to data acquisition, and the data that collect are sent to liquidation center and cleared after gather station.The all-purpose card transaction data has comprised important passenger getting on/off data but has not effectively utilized, if Real-time Obtaining all-purpose card transaction data and vehicle passenger flow information, public transit vehicle intelligent scheduling, all-purpose card data upload in real time and the aspect such as download, public transit system public service has vital role.
The Yu Lei of Beijing Jiaotong University etc. utilizes vehicle GPS, in conjunction with the all-purpose card data of data center, carries out OD analysis and passenger flow statistics and prediction, and the real-time of system and accuracy all remain to be considered; Some all-purpose card POS machines have added GPRS or Zigbee module to carry out data transmission, even added the GPS module, but this class POS machine is due to the high few practical application of cost, the GPS module can only obtain rough position, be difficult to mate with site information, the POS machine needs just to upload at set intervals one group of data, and data volume is large; The passenger flow counters such as installing additional on bus of having is infrared, pedal, expensive and technology acuracy is poor, apply limited.
In recent years all require vehicle in use solar obligation vehicle monitor terminal in public traffic information system construction, facilitate the management and running of vehicle, based on this background, the present invention proposes a kind of cost-effective bus passenger flow information getting method.Utilize car-mounted terminal and all-purpose card POS machine to intercom mutually, Real-time Obtaining is also uploaded bus passenger flow information and the all-purpose card Transaction Information, saved every day and manually hurried back and forth and adopt several worries between each vehicle, the passenger flow data of each car collected can provide effective Data support for vehicle scheduling; The mode that the present invention adopts site information to trigger gathers and transmits the all-purpose card data, and the unified transmission channel of utilizing car-mounted terminal, reduced transmitted data amount, reduced communications burden, can directly to the public, provide vehicle passenger flow information; Directly set up communication port at all-purpose card POS machine and data center, for the all-purpose card transaction data upload in real time and the download of the data such as rate, blacklist is provided convenience.
Summary of the invention
The object of the invention is to, for overcoming the problems referred to above, the invention provides a kind of passenger flow data acquisition method and system based on Bus Card and mobile unit.
For achieving the above object, the invention provides a kind of passenger flow data acquisition method based on Bus Card and mobile unit, it is characterized in that, described method comprises:
Step 101) pass through 485 interface communications with POS machine network, and the NMEA position temporal information output of standard is provided, keep each POS machine time synchronized;
Wherein, for the situation of swiping the card for twice, described POS machine network by two, forward and backward door get off swipe the card the POS machine and in two machine for punching the card of getting on the bus of door form, by installation site from Qianmen to back door by each POS machine number consecutively, all POS machines all receive same time synchronization information; For the situation of once swiping the card, described POS machine network packet, containing the 1-2 platform POS machine of swiping the card of getting on the bus, adopts above-mentioned identical method for numbering serial;
Step 102) send order to the POS machine one by one at two station point midways, comprise POS machine numbering and command content in the order sent, the POS machine is uploaded newly-increased transaction data after receiving instruction, described newly-increased transaction data comprises type of transaction, get on or off the bus station number and balance amount information, and the brushing card data of getting on the bus only comprises remaining sum in get on the bus station number and card, and the transaction data of getting off also comprises the station number of getting off, charging and balance amount information; Each vehicle-mounted POS machine is carried out to above-mentioned identical operation until the data of all POS machines are read car-mounted terminal;
Wherein, the POS machine is set to the data that read and reads, and described command content comprises: uploading data or issue data, and issue data and comprise: upgrade rate or blacklist;
Step 103) after the data of all POS machines are all collected, statistics is when the getting on or off the bus of vehicle in front, Vehicular occupant logarithmic data and upload in conjunction with newly-increased Transaction Information, the packet at uploading data center comprises that long combination is short two groups, and short group is used for uploading passenger flow data, and long group is for transmitting transaction data.
The POS machine is jumped station automatically according to the order received.
The situation of swiping the card for twice for needs, described step 102) further comprise following sub-step:
Step 102-1) send order to POS machine network, in order, the POS machine is numbered 0x01, and command context is " SHCH ", after No. 1 the POS machine receives order, make a response, upload the newly-increased transaction data of POS machine No. 1, other POS machine attonitys;
Step 102-2) after receiving No. 1 POS machine uploading data, car-mounted terminal continues to send order to POS machine network, in order, the POS machine is numbered 0x02, command context is " SHCH ", after No. 2 the POS machine receives order, make a response, upload the newly-increased transaction data of POS machine No. 2, other POS machine attonitys;
Step 102-3) after receiving No. 2 POS machine uploading datas, car-mounted terminal continues to send order to POS machine network, in order, the POS machine is numbered 0x03, command context is " SHCH ", after No. 3 the POS machine receives order, make a response, upload the newly-increased transaction data of POS machine No. 3, other POS machine attonitys;
Step 102-4) after receiving No. 3 POS machine uploading datas, car-mounted terminal continues to send order to POS machine network, in order, the POS machine is numbered 0x04, command context is " SHCH ", after No. 4 the POS machine receives order, make a response, upload the newly-increased transaction data of POS machine No. 4, other POS machine attonitys;
So far, car-mounted terminal has collected the newly-increased transaction data of all POS machine terminals neat, for next step statistical study.
In addition, the present invention also provides a kind of passenger flow data acquisition system based on Bus Card and mobile unit, comprises:
The synchro control submodule, for gathering standard NMEA time location information from the navigation module based on the Big Dipper/GPS compatible positioning and sending to each POS machine of POS machine network, make each POS machine synchronous, wherein said POS machine network packet is containing all POS machines on a bus;
The submodule of the newly-increased transaction data of Real-time Collection, for: by sending a command to different POS machines, obtain the brushing card data of storing on different POS machines; The POS machine is uploaded newly-increased transaction data after receiving and sending instruction, and the data that read are set to and read; Each vehicle-mounted POS machine is carried out to identical operation until the data of all POS machines are read car-mounted terminal;
Wherein, described transmission order comprises: POS machine numbering and command content; Described newly-increased transaction data comprises: type of transaction, get on or off the bus station number and remaining sum, and the brushing card data of getting on the bus only comprise get on the bus station number and the card in remaining sum, the transaction data of getting off also comprises the station number of getting off, charging and balance amount information;
Submodule is processed and uploaded to data, for after the data of all POS machines are all collected, car-mounted terminal according to the station number Information Statistics of collecting data when the getting on or off the bus of next stop vehicle, Vehicular occupant logarithmic data and be uploaded to data center together with newly-increased Transaction Information, and the packet that is uploaded to data center comprises short group two kinds of long combinations, described short group is used for passing passenger flow data, and described long group is for transmitting transaction data.
Compared with prior art, technical advantage of the present invention is:
1, use manpower and material resources sparingly, saved every day and manually hurried back and forth and adopt several worries between each vehicle;
2, take full advantage of the communications function of car-mounted terminal, saved all-purpose card POS machine cost;
3, the site information of utilizing car-mounted terminal to provide, designed the communication mode of Event triggered, alleviated communications burden;
The public bus network of 4, all swiping the card to getting on or off the bus provides a kind of passenger flow information obtaining means of economy accurately.
5, the POS machine can be jumped station after receiving order simultaneously automatically, has saved the every station of driver and has pressed the worry of jumping the station key.
The accompanying drawing explanation
Fig. 1 is public transport one card energy data acquisition schematic diagram of the present invention;
Fig. 2 is the signal flow diagram that transaction data of the present invention is uploaded in real time;
Fig. 3 is the process flow diagram of the bus passenger flow data real time acquiring method of all-purpose card POS machine of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in detail.
The present invention adopts communicating by letter of standard 485 Interface realization vehicle intelligent terminals and all-purpose card POS machine, and 485 interfaces are generally the standard configurations of car-mounted terminal and all-purpose card POS machine, as shown in Figure 1.
Designing car mounted terminal and card reader be good interaction protocol handshake communication according to a preconcerted arrangement, realizes Real-time Collection brushing card data function.Car-mounted terminal gathers standard NMEA time location information and sends to the POS machine from navigation module, for the POS machine provides the time synchronized service; Car-mounted terminal can, by sending instruction to different POS machines, obtain the brushing card data of storing on different POS machines.
Car-mounted terminal sends order at two station point midways to the POS machine, reads POS machine brushing card data; Car-mounted terminal can be distinguished the brushing card data being added up of getting on or off the bus, and then obtains the vehicle passenger flow information at every station; Car-mounted terminal also can be uploaded to backstage by the transaction data of encryption as required in real time.Idiographic flow as shown in Figure 2.
At first car-mounted terminal says the word to POS1, and command format is as shown in table 1, and every two interfields separate with comma, upload newly-increased transaction data, and form is as shown in table 2, judges the passenger flow information of getting on or off the bus, and generates transaction data, and POS1 is set to the data of having uploaded and reads; Then the like, to POS2,3,4 send order, carry out identical operation.After the data of all POS machines are all collected, statistics is when the data such as the getting on or off the bus of vehicle in front, Vehicular occupant number and upload together with newly-increased Transaction Information, the packet at uploading data center comprises long and short two, short only to upload the passenger flow data form as shown in table 3, and long transmission transaction data form is as shown in table 4.
Table 1 transmitting order to lower levels form
| Packet header | The POS plane No. | Order | Verification | Finish |
| $A5BA | 0x01-04 | SHCH | XX | ‘\r\n’ |
Table 2 uploading data form
| Packet header | The POS plane No. | Newly-increased data sum | Article 1, type | Article 1, the station number of getting on the bus |
| $A5CA | 0x01-04 | XXXX | SCSK | XX |
| Article 1, remaining sum | Article 2, type | Article 2, the station number of getting on the bus | Article 2, the station number of getting off |
| XXXX | XCJS | XX | XX |
| Article 2, charging | Article 2, remaining sum | .。。。 | Verification | Finish |
| XXXX | XXXX | ? | XX | ' r n ' |
Table 3 uploading data center passenger flow data form
Table 4 uploading data center transaction data form
| 。。。 | Station number n gets on the bus | Station number n gets off | Charging n | Remaining sum n | Verification | Finish |
| ? | XX | XX | XXXX | XXXX | XX | ' r n ' |
Car-mounted terminal provides position/temporal information by 485 interfaces to the POS machine, makes timing and the UTC time synchronized of each POS machine; The POS machine is jumped station after receiving order automatically, has saved the every station of driver and has pressed the worry of jumping the station key.For twice vehicle of swiping the card, the area that city one-card is more universal, car-mounted terminal can provide reliable passenger flow data collection, for the vehicle of 1 charging of swiping the card, needs by estimation or passenger flow counter is installed and is calculated passenger flow, and car-mounted terminal provides communication interface for passenger flow counter.
The bus passenger flow data real time acquiring method of all-purpose card POS machine provided by the invention as shown in Figure 3, comprises following several step:
The first step: pass through 485 interface communications with POS machine network, and the NMEA position temporal information output of standard is provided, make each POS machine time synchronized.
Second step: send order to the POS machine one by one at two station point midways, the POS machine can be jumped station automatically according to order.POS machine numbering and command context have been comprised in the order sent, after receiving orders, uploads by the POS machine newly-increased transaction data, packet has contained type of transaction, the information such as station number and remaining sum of getting on or off the bus, the brushing card data of getting on the bus only comprises remaining sum in get on the bus station number and card, the transaction data of getting off has also comprised the station number of getting off, charging and balance amount information, the POS chance is set to the data that read and reads, and each vehicle-mounted POS machine is carried out to identical operation until the data of all POS machines are read car-mounted terminal.
The 3rd step: after the data of all POS machines are all collected, car-mounted terminal statistics is when the data such as the getting on or off the bus of vehicle in front, Vehicular occupant number and upload together with newly-increased Transaction Information, the packet at uploading data center comprises the long and short two group, the short passenger flow data of only uploading, long transmission transaction data.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described.Although with reference to embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, technical scheme of the present invention is modified or is equal to replacement, do not break away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (4)
1. the passenger flow data acquisition method based on Bus Card and mobile unit, is characterized in that, described method comprises:
Step 101) pass through 485 interface communications with POS machine network, and the NMEA position temporal information output of standard is provided, keep each POS machine time synchronized;
Wherein, for the situation of swiping the card for twice, described POS machine network by two, forward and backward door get off swipe the card the POS machine and in two machine for punching the card of getting on the bus of door form, by installation site from Qianmen to back door by each POS machine number consecutively, all POS machines all receive same time synchronization information; For the situation of once swiping the card, described POS machine network packet, containing the 1-2 platform POS machine of swiping the card of getting on the bus, adopts above-mentioned identical method for numbering serial;
Step 102) send order to the POS machine one by one at two station point midways, comprise POS machine numbering and command content in the order sent, the POS machine is uploaded newly-increased transaction data after receiving instruction, described newly-increased transaction data comprises type of transaction, get on or off the bus station number and balance amount information, and the brushing card data of getting on the bus only comprises remaining sum in get on the bus station number and card, and the transaction data of getting off also comprises the station number of getting off, charging and balance amount information; Each vehicle-mounted POS machine is carried out to above-mentioned identical operation until the data of all POS machines are read car-mounted terminal;
Wherein, the POS machine is set to the data that read and reads, and described command content comprises: uploading data or issue data, and issue data and comprise: upgrade rate or blacklist;
Step 103) after the data of all POS machines are all collected, statistics is when the getting on or off the bus of vehicle in front, Vehicular occupant logarithmic data and upload in conjunction with newly-increased Transaction Information, the packet at uploading data center comprises that long combination is short two groups, and short group is used for uploading passenger flow data, and long group is for transmitting transaction data.
2. the passenger flow data acquisition method based on Bus Card and mobile unit according to claim 1, is characterized in that, the POS machine is jumped station automatically according to the order received.
3. the passenger flow data acquisition method based on Bus Card and mobile unit according to claim 1, is characterized in that, the situation of swiping the card for twice for needs, described step 102) further comprise following sub-step:
Step 102-1) send order to POS machine network, in order, the POS machine is numbered 0x01, and command context is " SHCH ", after No. 1 the POS machine receives order, make a response, upload the newly-increased transaction data of POS machine No. 1, other POS machine attonitys;
Step 102-2) after receiving No. 1 POS machine uploading data, car-mounted terminal continues to send order to POS machine network, in order, the POS machine is numbered 0x02, command context is " SHCH ", after No. 2 the POS machine receives order, make a response, upload the newly-increased transaction data of POS machine No. 2, other POS machine attonitys;
Step 102-3) after receiving No. 2 POS machine uploading datas, car-mounted terminal continues to send order to POS machine network, in order, the POS machine is numbered 0x03, command context is " SHCH ", after No. 3 the POS machine receives order, make a response, upload the newly-increased transaction data of POS machine No. 3, other POS machine attonitys;
Step 102-4) after receiving No. 3 POS machine uploading datas, car-mounted terminal continues to send order to POS machine network, in order, the POS machine is numbered 0x04, command context is " SHCH ", after No. 4 the POS machine receives order, make a response, upload the newly-increased transaction data of POS machine No. 4, other POS machine attonitys;
So far, car-mounted terminal has collected the newly-increased transaction data of all POS machine terminals neat, for next step statistical study.
4. the passenger flow data acquisition system based on Bus Card and mobile unit, is characterized in that, comprises:
The synchro control submodule, for gathering standard NMEA time location information from the navigation module based on the Big Dipper/GPS compatible positioning and sending to each POS machine of POS machine network, make each POS machine synchronous, wherein said POS machine network packet is containing all POS machines on a bus;
The submodule of the newly-increased transaction data of Real-time Collection, for: by sending a command to different POS machines, obtain the brushing card data of storing on different POS machines; The POS machine is uploaded newly-increased transaction data after receiving and sending instruction, and the data that read are set to and read; Each vehicle-mounted POS machine is carried out to identical operation until the data of all POS machines are read car-mounted terminal;
Wherein, described transmission order comprises: POS machine numbering and command content; Described newly-increased transaction data comprises: type of transaction, get on or off the bus station number and remaining sum, and the brushing card data of getting on the bus only comprise get on the bus station number and the card in remaining sum, the transaction data of getting off also comprises the station number of getting off, charging and balance amount information;
Submodule is processed and uploaded to data, for after the data of all POS machines are all collected, car-mounted terminal according to the station number Information Statistics of collecting data when the getting on or off the bus of next stop vehicle, Vehicular occupant logarithmic data and be uploaded to data center together with newly-increased Transaction Information, and the packet that is uploaded to data center comprises short group two kinds of long combinations, described short group is used for passing passenger flow data, and described long group is for transmitting transaction data.
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