CN106530676B - A kind of data fusion method and V2X system towards new energy city bus - Google Patents
A kind of data fusion method and V2X system towards new energy city bus Download PDFInfo
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Abstract
The invention discloses a kind of V2X systems towards new energy city bus to realize data and information exchange between bus and remote server using bus platform as the important intermediate link of V2X network.Emergency response scheme is provided with failure by the burst accident that other emergency response equipment being connected in V2X system are reasonably likely to occur in time for bus in operation simultaneously.The present invention discloses a kind of multidimensional data information fusion methods, the operation characteristic of this method combination urban bus, by the critical parameter information of e-bus battery, the geographical location information that platform and vehicle traffic coverage are characterized, and the status information etc. of vehicle operation organically blends, server is allowed to be collected, arrange, analyze to the data that bus uploads by the traffic coverage segmentation of public bus network, timely and effectively condition monitoring is provided for the operation of e-bus, provides assessment and early warning for the safety of battery operation.
Description
Technical field
It is the present invention relates to the operation monitoring field of city bus, in particular to a kind of towards new energy city bus
Data fusion method and V2X system.
Background technique
With popularizing for new-energy automobile, the application using the electric car of battery technology is also increasingly extensive.In state
Inside and outside many cities, New energy electric city bus increasingly obtain general as the application of energy conservation and environmental protection public transport of new generation
And.Its promote and apply have become realize national energy conservation and emission reduction strategic objective important link, to reduce city carbon dioxide and
The discharge of harmful exhaust, the pollution goods and materials such as reduction PM2.5 fine grained have and its important meaning.It is different from traditional combustion engine
Vehicle, electric car provide power by battery driven motor for vehicle operation.And core of the battery as New-energy electric vehicle
One of technology timely and effectively acquires its operational data information, analyze, arrange, and storage have it is extremely important
Meaning.
In order to meet the safety and information-based requirement during new-energy automobile popularizes, for new-energy automobile
Remote monitoring system is also come into being.The framework of these systems generally comprises car-mounted terminal at present, and cordless communication network is long-range to take
Business device etc..It, which is communicated, usually selects data traffic set meal of the similar mobile phone of mobile communication service quotient offer to realize.It is logical
Normal car-mounted terminal can also configure GPS module except communication module to record the location information of vehicle.Above method can compare
The service condition of the good non-vehicle in use such as small-sized household electric passenger vehicle of adaptation because its using have one way runing time and
The features such as mileage travelled is shorter, and the battery data information content of generation is few.
The characteristics of application of the electric motor coach in city bus has its own, is also faced with different from small-sized household passenger car
Specific question.Primary problem is the safety issue of its operation.Power battery is the carrier of high-energy, when failure
Violent burning and explosion can usually occur.Common 10-12 meters of public transport buses usually only two car doors are for passenger normal
Escape when occurring with failure of getting on or off the bus when operation uses.And usually there is tens even the number of passenger in the peak period of operation on vehicle
Up to a hundred people.So the safety of the safety of electric urban bus running, especially its battery needs the attention of height.Its
It is secondary, the characteristics of electric motor coach as urban public transport also has its own in use, including long operational time, load continuous
With traffic coverage dynamic change, cell system voltage platform is generally higher, and BMS acquisition data volume is big etc..Based on these features, mesh
The scheme of the similar GPS+GPRS of preceding proposition has certain problems in terms of the operation monitoring of Electric Transit.It is mainly reflected in reality
When property and data send the uncertainty on opportunity；Long operational time causes data traffic big, and communication cost is higher；Use environment
Limitation, such as in the city in some mountain areas, the presence in culvert and tunnel also has a certain impact to the transmission of signal.In addition,
Due to the particularity of electric urban bus, when breaking down or accident, the required emergency response taken with it is traditional interior
Combustion engine bus is also not quite similar.Therefore, with the promotion and popularization of new energy bus, one how is constructed towards public friendship
It is logical, systematization operation monitoring is provided for New energy electric city bus and accident classification emergency response measure provides the solution of system
The demand of scheme also becomes to be increasingly urgent to.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology and deficiency, provides one kind towards new energy city bus
Data fusion method, this method realizes public transport using bus platform as the significant data information exchange intermediate link of V2X system
The interaction of data and information between vehicle and remote server, while being realized mutually by remote server and other emergency services
Connection provides corresponding emergency response scheme according to the needs of actual operating state.
Another object of the present invention is to provide a kind of V2X system towards new energy city bus, wherein V2X
(Vehicle to X), is the key technology of the following intelligent transport system, it make vehicle and vehicle, vehicle and base station, base station with
It can be communicated between base station, so that a series of traffic informations such as real-time road, road information, pedestrian information are obtained, to improve
Drive safety, reduction congestion, raising traffic efficiency, offer car entertainment information etc..
The purpose of the present invention is realized by the following technical solution:
A kind of data fusion method towards new energy city bus comprising the steps of:
Important operation operating parameter information during S1, acquisition monitoring bus running, the important operation running parameter
Information includes:
(a) the battery cell monitoring sensor signal that is read by battery management system BMS, fault message, and based on correlation
The calculated value of the obtained core parameter of algorithm；
(b) the critical operational state information of other kernel components (including motor, automatically controlled etc.)；
(c) vehicle running state monitoring information；
The pickup of S2, gate position and the information that pulls in: in bus actual moving process, to complete its public transport work
The major function of tool, car need to carry out parking of pulling in each platform of working line, and it is complete to give passenger's regular hour
At the movement got on or off the bus；It can will pull in and stop the specific step generated during this or signal is carried out as markup information
It picks up, whether characterization vehicle pulls in parking；
The step of specific step is close door, the distinctive signal includes that close door actuation of keys is triggered
Signal；
The calibration processing of S3, important operation operating parameter information: by collected important operation running parameter of each moment
Information is corresponded in temporal sequence with the information that pulls in mutually in the same time, so that it is traveling that it is corresponding, which to distinguish each operational data,
Data in the process still pull in the data in docking process；
Furthermore according to route operation pull in sequence, by driving process important operation operating parameter information with it is corresponding
Running section corresponds, to be believed along the feature of public bus network NATURAL DISTRIBUTION each important operation running parameter using platform
Breath completes segment processing, provides reasonable foundation for each important handling by sectional analysis for operation operating parameter information；
S4, demarcated it is each it is important operation operating parameter information processing and transmission: pull in parking and it is leaving from station during,
By the communication connection set up between car-mounted terminal and platform, it will carry out being packaged arrangement and be sent to by the data of calibration
Platform.
In step (a), the core parameter includes SOC, SOH, residual capacity.
In step (a), the related algorithm includes state-of-charge SOC estimating algorithm, health status SOH computation model.
In step (b), the critical operational state information includes motor speed, motor torque, motor direction of rotation, bus
Electric current, motor and electric machine controller temperature.
In step (c), the vehicle running state monitoring information include vehicle speed, accumulative mileage travelled, gear signal,
Parking instruction.
Another object of the present invention is realized by the following technical solution:
A kind of V2X system towards new energy city bus, the vehicle-mounted end including being mounted on new energy city bus
Hold, be mounted on the platform data and communication module, remote server of bus platform, the car-mounted terminal acquisition monitoring bus fortune
Important operation operating parameter information during row；Platform data and communication module are realized between bus and remote server
The interaction of data and information, while being realized and being interconnected by remote server and other emergency services, according to actual operating state
Need to provide corresponding emergency response scheme.
The V2X system towards new energy city bus, further includes charging station, emergency response equipment, wherein passing through
Remote server is connected with emergency response equipment, and charging station is the charging of new energy city bus.
The new energy bus passes through its car-mounted terminal in the process of running and is communicated with each stop over bus platform,
The data sectional of the vehicle that will be compiled in operational process, battery and other kernel components is uploaded to platform.At this
In the process, can simultaneously to run passenger that relevant information be distributed on vehicle and in the personnel that wait of related platform.
The major function of the car-mounted terminal is: (A) reads the important operation operating parameter information that vehicle end is collected into, with
And the status information etc. that pulls in accordingly；(B) during bus pulls in leaving from station, it is established that the communication between platform,
Related data is uploaded to platform, and receives the information from platform and remote server；(C) in some special cases directly
It interacts and communicates with the server of distal end；(D) car-mounted terminal also have with taken on vehicle passenger carry out information exchange function.
The bus platform constitutes key data access and information publisher node in V2X.By the station for being mounted on platform
The new energy bus and long-range data server of number of units evidence and communication module and operation carry out the interaction of data information.Together
When by platform data and communication module relevant information is distributed to the passenger to wait in platform.
The major function of the platform data and communication module is to establish to communicate to connect with the bus to pull in, is received public
The data information transmitted on car is handed over, and is uploaded the car data being collected by the communication network between platform and server
To server.The information of the bus for parking of pulling in is handed down to by the communications reception with server simultaneously.In addition to as public affairs
Except the interface for handing over car and remote server, station module can also have certain processing data information and store function；
The major function of the remote data server is: (A) obtains the operational data information of each operation vehicle；(B) number
It is believed that the processing of breath, arranges, store, management；(C) work of each operation vehicle and safe condition are commented based on data information
Estimate；(D) to there are the vehicles of security risk and the operation data that notes abnormalities to carry out pre-alarm；(E) it is such as touched in generation special circumstances
It hits or when fire behavior can assist the related resource on car spotting and V2X to carry out emergency response；
Other facilities on the V2X network specifically include that charging station near each public bus network operation area or answer
Boost charge vehicle, fire-fighting, medical treatment, police service, rescue facility, vehicle maintenance maintain facility etc..Its major function is special in appearance
Energy quick response when situation provides corresponding emergency support solution in time.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1, V2X is introduced using bus platform as the communications and data interface between bus and teledata information server
System.The collected battery arranged of bus, other kernel components and whole vehicle information, pass through platform by running section
It uploads in time.So as to timely and effectively using the data information for the New energy electric bus being collected into, to run vehicle,
Battery supplier, public transport company, traffic management department, contingency management department are provided with the information of reference value.
2, multidimensional data information organically blends.The status information that vehicle including battery operational data is run,
It is organically combined with the intrinsic geographical location information of platform on working line.Using the characteristics of platform NATURAL DISTRIBUTION to time series
Whole vehicle state data information carry out natural segment processing by operation order and section, be server end data by operation
Section carries out analysis and arrangement and provides reasonable foundation.
Detailed description of the invention
Fig. 1 is the schematic diagram of the V2X system architecture of new energy urban bus of the present invention.
Fig. 2 is the schematic diagram of the process data alternating transmission of the present invention that pulls in.
Fig. 3 is the structural schematic diagram of car-mounted terminal and station module.
Fig. 4 is the schematic diagram of important operation operating parameter information calibration processing.
Specific embodiment
Present invention will now be described in further detail with reference to the embodiments and the accompanying drawings, but embodiments of the present invention are unlimited
In this.
A kind of V2X system architecture towards public transport as shown in Figure 1, including new energy bus 110, bus platform
120, remote server 130, passenger's handheld mobile communication device 140, other V2X interconnection facility 150.Wherein other V2X are interconnected
Facility 150 includes charging equipment 151, and police service vehicle 152, medical ambulance vehicle 153, consumption breakdown lorry 154, vehicle maintenance is led
Draw vehicle 155, emergency passenger transfer vehicle-mounted 156 etc..
Such as Fig. 2, the new energy bus 110 is by 120 tape station number of units evidences of its car-mounted terminal 111 and platform and leads to
Letter module 121 carries out wireless communication the interaction for completing data and information.Platform 120 passes through platform data and communication module simultaneously
121 are communicated with remote server 130 by wired or wireless network, and the interaction of data and information is completed.
Wireless communication between the passenger coach load terminal 111 and platform data and communication module 121 can be by remote
Distance WIFI or other higher transmission rates and the farther out communication of transmission range are completed.
The car-mounted terminal communication module 111A is in the case where certain special, as level fault, or generation occurs in battery
When explosion on fire, can directly it be communicated according to actual needs with remote server 130.
Such as Fig. 3, the bus car-mounted terminal 111 can work independently or the function as entire car controller VCU is opened up
Exhibition mainly includes data communication module 111A and data information module 111B.Wherein data information module 111B is mainly completed
Important operation operating parameter information is compiled.
The car-mounted terminal communication module 111A monitors whether the wireless communication that platform 120 issues in car operational process
Number, the wireless connection between car and platform is set up when car 110 is close to platform 120.
When the car 110 is in the state for parking of pulling in, the data information compiled is sent to bus platform
120 platform data and the platform-Che Tongxin submodule 121C of communication module 121, and receive from platform bus and communicate submodule
The server info that block 121C forwarding comes.
The platform data and communication module 121 mainly include platform communication module 121A and platform processing data information and
Memory module 121B.Wherein platform communication module 121A includes platform-car, platform-server, platform-passenger three communications
Submodule.
The platform-car communication submodule can pass through the communication of WIFI and the passenger coach load terminal close to platform 120
Module 111A sets up wireless communication connection, receives the data information transmitted in bus.The platform-server communication
The car data being collected into can be uploaded to server 130 by wired or long distance wireless communication mode by module, and be received
The information that server end 130 is sent.The platform-passenger traffic submodule can send relevant information to and wait in platform
Passenger entrained by handheld mobile communication device 140.
The operational data information for the operation vehicle 110 that the remote server 130 is sent according to each platform 120 carries out letter
Breath processing and storage.The important operation work of a certain operation vehicle that sends to platform including battery data can be passed through
Parameter information is analyzed, to the information such as working condition, the safe condition of battery and other kernel components and vehicle into
Row assessment, and result is sent to next platform in vehicle forward direction by the communication network between platform, work as vehicle
110 read relevant information when pulling in.
The remote server 130 can also be by other facilities 150 in the operating status of front and back vehicle and V2X network, such as
The condition information of charging station 151 is sent to current vehicle 110.To realize vehicle and vehicle, the information between vehicle and other facilities is handed over
Mutually fusion.
The remote server 130 when discovery there are security risk factor or note abnormalities operation data when to vehicle 110
The platform 120 in operation front sends pre-alarm signal, directly can also directly send out to the car-mounted terminal of car 111 under specific condition
Send information warning.
The remote server 130, can be according to specific feelings when receiving the information that operation vehicle 110 directly transmits
Relevant information is sent to the emergency response unit 150 on V2X network in time by condition, and allotment related resource is assisted to carry out emergency sound
It answers.
The step of a kind of multidimensional data information fusion method towards New energy electric city bus includes following sequence:
S1: the acquisition monitoring of important operation operating parameter information in vehicle operation includes (a) as shown in table 1, passing through
The various battery cell monitoring sensor signals that battery management system BMS is read, fault message, and it is based on the obtained core of related algorithm
Calculated value BMS Data (1)~BMS Data (n) of heart parameter；
1. battery main working parameters information of table
(b) as shown in table 2, the critical operational state information of other kernel components (including motor etc.)；
Other kernel component main working parameters information of table 2.
(c) as shown in table 3, vehicle running state monitoring information such as vehicle speed etc.；
3. vehicle of table runs main working parameters information
S2: the pickup of gate position and the information that pulls in: as shown in Fig. 2, in bus actual moving process, to complete
The major function of its public transport, car need to carry out parking of pulling in each platform of working line, give passenger
Regular hour completes the movement got on or off the bus.It can will pull in and stop the specific step generated during this or signal as marking
Memory information is picked up, and whether characterization vehicle pulls in parking；A kind of mode is realized using the status information of opening/closing door of vehicle,
It comprises the steps of:
S201: vehicle is dispatched a car after operation, records the open and-shut mode of car door in real time by entire car controller VCU.Driving process
Middle closing of the door, at this time vehicle door status information flag are 0, and the status information that pulls in also is 0；
S202: when vehicle parking, vehicle door status is checked.If car door opening, car door information state becomes 1 from 0 at this time.This
When whether can be parking of normally pulling in vehicle by checking the communications status and platform mark information of vehicle and platform, and also
It is that parking of pulling in non-in special circumstances is judged.
S203: if the communications status information of vehicle and platform is 1, and platform mark information is shown as new platform serial number, then
Illustrate that vehicle reaches new platform, the information position that will pull at this time switchs to 1 by 0.If the communications status between vehicle and platform is
0, it is likely that be the parking that do not pull in special circumstances, the information bit that pulls in, which is not done, to be changed, and continues to remain 0.
S204: the equal passenger getting on/offs that pull in finish, and after vehicle door status information is set to 0 again, the status information that pulls in also is reset
It is 0.
The state that parking information position is 1 that pulls in correspond to car in the state of the upper and lower passenger of each platform parking.While by
It fixes, each platform of stop over one by one in order when car operates normally, therefore pulls in the distribution of each platform of public bus network and position
Information can also be with simultaneous reactions car the location of at that time information or the road section information of traveling.
S3: such as Fig. 4, the calibration processing of important operation operating parameter information: by collected important operation work of each moment
Make parameter information to be corresponded with the information that pulls in mutually in the same time.Important operation running parameter when the information bit that pulls in is 0
Information corresponds to operation operational data of the public transport bus between station and station；Corresponding data then reflect public affairs when the information bit that pulls in is 1
Hand over working condition of the car in the docking process that pulls in.It can identify by searching for corresponding platform mark information and currently stop simultaneously
The information of the platform leaned on and corresponding location information.Therefore it can use and pull in information and its contained location information is
Important operation operating parameter information carries out reasonable segment processing.
S4: demarcated it is each it is important operation operating parameter information processing and transmission: pull in parking and it is leaving from station during,
By the communication connection set up between car-mounted terminal and platform, it will carry out being packaged arrangement and be sent to by the data of calibration
Platform.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (3)
1. a kind of data fusion method towards new energy city bus, which is characterized in that comprise the steps of:
Important operation operating parameter information during S1, acquisition monitoring bus running, the important operation operating parameter information
Include:
(a) the battery cell monitoring sensor signal that is read by battery management system BMS, fault message, and it is based on related algorithm
The calculated value of obtained core parameter；The core parameter includes SOC, SOH, residual capacity；The related algorithm includes lotus
Electricity condition SOC estimating algorithm, health status SOH computation model；
(b) the critical operational state information of other kernel components；The critical operational state information includes motor speed, motor
Torque, motor direction of rotation, bus current, motor and electric machine controller temperature；Other described kernel components include that electricity is mechanical, electrical
Control；
(c) vehicle running state monitoring information；The vehicle running state monitoring information includes in vehicle speed, accumulative traveling
Journey, gear signal, parking instruction；
The pickup of S2, gate position and the information that pulls in: in bus actual moving process, to complete its public transport
Major function, car need to carry out parking of pulling in each platform of working line, give passenger's regular hour and complete
The movement got off；It can will pull in and stop the specific step generated during this or signal is picked up as markup information
It takes, whether characterization vehicle pulls in parking；
The step of specific step is close door, the distinctive signal includes the letter that close door actuation of keys is triggered
Number；
The calibration processing of S3, important operation operating parameter information: by collected important operation operating parameter information of each moment
It is corresponded in temporal sequence with the information that pulls in mutually in the same time, so that it is driving process that it is corresponding, which to distinguish each operational data,
In data still pull in the data in docking process；
Furthermore according to the sequence that pulls in of route operation, the important operation operating parameter information in driving process is travelled with corresponding
Section corresponds, thus using platform along the feature of public bus network NATURAL DISTRIBUTION, it is complete to each important operation operating parameter information
At segment processing, reasonable foundation is provided for each important handling by sectional analysis for operation operating parameter information；
S4, demarcated it is each it is important operation operating parameter information processing and transmission: pull in parking and it is leaving from station during, pass through
The communication connection set up between car-mounted terminal and platform will carry out being packaged arrangement and is sent to station by the data of calibration
Platform.
2. for realizing a kind of towards new energy of the data fusion method towards new energy city bus described in claim 1
The V2X system of city bus, it is characterised in that: including being mounted on the car-mounted terminal of new energy city bus, being mounted on public affairs
Hand over the platform data and communication module, remote server of platform, weight during the car-mounted terminal acquisition monitoring bus running
Run operating parameter information；Platform data and communication module realize data and information between bus and remote server
Interaction, while being realized and being interconnected by remote server and other emergency services, need to provide phase according to actual operating state
The emergency response scheme answered.
3. according to claim 2 towards the V2X system of new energy city bus, it is characterised in that: further include charging station,
Emergency response equipment, wherein being connected by remote server with emergency response equipment, charging station is that new energy city bus fills
Electricity.
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| CN107274665A (en) * | 2017-07-31 | 2017-10-20 | 多维新创（北京）技术有限公司 | Bus transport capacity resource method and system for planning |
| CN107704870B (en) * | 2017-09-07 | 2021-04-20 | 武汉大学 | Reliable human-vehicle proximity sensing device and method based on fusion of BLE fingerprint positioning and IMU action recognition |
| CN110033136B (en) * | 2019-04-17 | 2021-08-17 | 扬州亚星客车股份有限公司 | Data analysis method of electric motor coach based on monitoring platform |
| CN110691341A (en) * | 2019-08-30 | 2020-01-14 | 汉腾汽车有限公司 | Vehicle-mounted WIFI terminal acquisition device for smart police car and acquisition method thereof |
| CN110972114B (en) * | 2019-11-19 | 2023-07-18 | 江苏恒宝智能系统技术有限公司 | Urban node network system |
| CN112837532B (en) * | 2020-12-31 | 2022-04-01 | 东南大学 | New energy bus cooperative dispatching and energy-saving driving system and control method thereof |
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| CN103903429B (en) * | 2014-03-26 | 2016-03-02 | 东南大学 | A kind of delay time at stop combination forecasting method of bus rapid transit bus stop |
| CN204821189U (en) * | 2015-06-03 | 2015-12-02 | 深圳市星泓成电子有限公司 | Electric automobile intelligent management system |
| CN105070037B (en) * | 2015-07-15 | 2018-07-20 | 国家电网公司 | A kind of public traffic information platform and progress control method that integrated management is reported |
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