CN114125776A - Vehicle in-service examination efficiency evaluation system based on cloud service architecture - Google Patents
Vehicle in-service examination efficiency evaluation system based on cloud service architecture Download PDFInfo
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- CN114125776A CN114125776A CN202111677341.9A CN202111677341A CN114125776A CN 114125776 A CN114125776 A CN 114125776A CN 202111677341 A CN202111677341 A CN 202111677341A CN 114125776 A CN114125776 A CN 114125776A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- G—PHYSICS
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- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
- H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
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Abstract
The invention discloses a vehicle in-service examination efficiency evaluation system based on a cloud service architecture, which comprises a vehicle-mounted device group, a Beidou module group and a vehicle cloud data center, wherein the vehicle-mounted device group is connected with the Beidou module group through a vehicle-mounted device; the vehicle-mounted edge-end cloud service system adopts a cloud-edge-end cloud service architecture, namely a vehicle-mounted data acquisition terminal acquires CAN bus data and externally-mounted sensor data in real time, data storage and calculation analysis are carried out through a vehicle-mounted edge server, result data are obtained by combining an evaluation analysis model to form a result data file packet, the result data file packet is transmitted to a vehicle cloud data center through a vehicle-mounted Beidou short message module and a Beidou satellite to complete fine management of all vehicle big data under a heavy task condition, accurate positioning and situation analysis of a vehicle are realized by combining strong storage and calculation capabilities of the cloud data center and a GIS geographic information system, and real-time performance evaluation and fault safety early warning functions are realized through the vehicle-mounted data acquisition terminal.
Description
Technical Field
The invention belongs to the technical field of vehicle tests, and particularly relates to a vehicle in-service examination efficiency evaluation system based on a cloud service architecture.
Background
In the conventional vehicle system performance evaluation and in-service assessment performance evaluation tests, the actual vehicle tests are performed on different system performances at different periods by taking the driving motorcycle hour as a unit for each vehicle. The real vehicle test comprises the steps of determining an index system, compiling a test outline, calibrating a sensor and a collection system, installing the sensor, performing joint debugging and joint testing on the collection system, collecting test data, processing and analyzing data, evaluating the performance state of a vehicle system and the like. The test method has the advantages that each test is independent, the test flexibility is high, and the test preparation and test data processing and analyzing time is sufficient; the defects that the number of sensors installed each time is large, the installation time is long, the difference between the formulation of a test outline and the actual environment and state is large, the evaluation result cannot well reflect the actual efficiency evaluation, and the like.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a vehicle in-service examination efficiency evaluation system based on a cloud service architecture, which is used for collecting, processing and evaluating performance index data of different systems by combining with a real environment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vehicle in-service examination efficiency evaluation system based on a cloud service architecture comprises a vehicle-mounted device group, a Beidou module group and a vehicle cloud data center;
the vehicle-mounted device group includes:
the vehicle-mounted data acquisition terminal comprises a controller and a vehicle-mounted CAN bus and is used for acquiring vehicle data information;
the vehicle-mounted data processing and storing server is used for receiving vehicle data information acquired by the vehicle-mounted data acquisition terminal and counting to obtain staged vehicle performance data real-time information according to the vehicle data information within a certain period of time;
the vehicle-mounted data display terminal is used for visually displaying the real-time information of the vehicle performance data and preliminarily judging the current performance state of the vehicle;
a sensor is externally arranged and used for collecting various parameter data of the vehicle;
the Beidou module group is used for connecting the vehicle-mounted device group and the vehicle cloud data center to realize information transmission of the vehicle-mounted device group and the vehicle cloud data center;
the vehicle cloud data center includes:
the data storage processing uploading module is used for receiving and storing the real-time information of the vehicle performance data;
the efficiency evaluation software system is used for carrying out vehicle efficiency evaluation analysis by combining a pre-trained and verified efficiency evaluation model according to the real-time information of the vehicle performance data;
the display module adopts a mode of 'main module + auxiliary module', the main module is combined with a GIS geographic information system to realize the overall analysis and display of the situation of the vehicle, and the auxiliary module realizes the functions of vehicle service condition, real-time positioning coordinate display, state performance evaluation and fault early warning through vehicle-mounted data acquisition terminal data.
Further, big dipper module group includes:
the Beidou positioning, attitude determining and short message communication module is used for carrying out real-time positioning on the vehicle by being connected with Beidou satellite data and storing position data in the vehicle-mounted data acquisition terminal; the data processed by the vehicle-mounted data acquisition terminal is transmitted to a vehicle cloud data center through a Beidou satellite in a short message packaging mode;
and the Beidou director receiving module is used for receiving data information of the Beidou positioning and attitude determination and short message communication module transmitted by a Beidou satellite, and the received data information is transmitted to a vehicle cloud data center.
Furthermore, the vehicle-mounted data acquisition terminal adopts a structure of 'DSP + ARM', and further comprises a conditioning circuit, an A/D conversion module, a power supply module, a data transmission control switch, a display screen and a data storage module.
Further, the Beidou positioning, attitude determination and short message communication module adopts a Beidou satellite communication BDM910 communication positioning module and comprises a Beidou RDSS communication module, an RNSS positioning module, an LNA low noise amplifier, a 10W power amplifier module and a baseband circuit module.
Further, the efficiency evaluation software system comprises a complete vehicle efficiency evaluation system, a power transmission system, a steering system, a braking system, a cooling system, a lubricating system and the like.
Further, the sub-module of the performance evaluation display module comprises four parts: the first secondary module is used for displaying all vehicle lists under the task, including vehicle organization units and license plate number information; the second secondary module is used for displaying specific coordinate position information of a certain vehicle, and displaying a specific coordinate position and nearby building facilities when a certain vehicle in the first secondary module list is clicked; the third sub-module is used for displaying the performance parameter information transmitted by the Beidou short message module; the fourth auxiliary module is used for displaying the fault early warning system, namely setting thresholds of different system performance parameters, and sending out early warning information when the thresholds are close to 10% of the thresholds so as to remind a vehicle maintenance and guarantee unit to organize emergency repair and guarantee work.
The vehicle-mounted edge-end cloud service system adopts a cloud-edge-end cloud service architecture, namely a vehicle-mounted data acquisition terminal acquires CAN bus data and externally-mounted sensor data in real time, a vehicle-mounted edge server stores and analyzes data, a result data is obtained by combining an evaluation analysis model to form a result data file packet, the result data file packet is transmitted to a vehicle cloud data center through a vehicle-mounted Beidou short message module and a Beidou satellite to complete the fine management of all vehicle big data under a heavy task condition, the vehicle accurate positioning and situation analysis are realized by combining the strong storage and calculation capabilities of the cloud data center and a GIS geographic information system, and the functions of real-time performance evaluation, fault safety early warning and the like are realized by the vehicle-mounted data acquisition terminal.
The advantages of this system mainly include:
1. the vehicle preset sensor can be connected to collect data, the sensor installation quantity is reduced, and the installation time is saved;
2. the system performance data can be acquired, stored and processed in real time, the data continuity is strong, and the whole service life management after train assembly and shaping can be realized;
3. the test data acquisition can be combined with the actual condition of the vehicle, the combined task effect is good, the pertinence is strong, and the evaluation effect has strong authenticity;
4. test data adopts a double backup mode, and data storage is reliable;
5. the system can realize the refined management of the vehicles by combining a Geographic Information System (GIS), and the visual remote management of the performance state evaluation of a plurality of vehicles;
6. the system can combine the related research contents of performance state evaluation and fault diagnosis, and can perform early warning prompt on the fault of each vehicle on the premise of determining a fault threshold of a certain system index;
7. the Beidou short message module is adopted for data transmission, and the data security is guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of Beidou positioning and attitude determination and short message module composition and function in the invention;
fig. 3 is a general architecture diagram of a vehicle cloud data center according to the present invention.
Detailed Description
The present invention will be explained in further detail with reference to examples.
As shown in fig. 1, the vehicle service examination performance evaluation system based on the cloud service architecture mainly includes a vehicle-mounted device group, a Beidou module group and a vehicle cloud data center.
The design of the invention adopts the modularized arrangement, and the system is suitable for the in-service examination efficiency evaluation of the wheeled vehicle in active service and comprises the following specific conditions:
vehicle-mounted device group
The vehicle-mounted device group comprises a vehicle-mounted data acquisition terminal, a vehicle-mounted data processing and storing server, a vehicle-mounted data display terminal and an external mounting sensor;
vehicle data acquisition terminal: the DSP + ARM is used for collecting vehicle data information, so that the data calculation capacity of the terminal can be enhanced, the terminal interface can be expanded, and the characteristics of multi-system operation and the like are supported. Meanwhile, the vehicle-mounted data acquisition terminal is provided with the WIFI wireless transmission module, the acquired data of the externally mounted sensor can be wirelessly transmitted, and the WIFI 2.4GHz transmission mode with selectable transmission communication frequency can be selected. The vehicle-mounted terminal simultaneously comprises a CAN bus data receiving module, a conditioning circuit, an A/D conversion module, a power module, a data transmission control switch, a display screen, a data storage module and the like.
The vehicle-mounted data processing and storing server: the vehicle-mounted data processing and storing server can be connected with the vehicle-mounted data acquisition terminal through a wire, so that the functions of storing, calculating and analyzing all acquired data are realized, the vehicle data information acquired by the externally-mounted sensor is received, and the periodic vehicle performance data real-time information is obtained through statistics according to the vehicle data information in a certain period of time. Considering that the short message module transmits signals once per minute, the data volume is about 140 characters per time, regional management of evaluation result data of different systems of the vehicle can be realized through the vehicle-mounted data acquisition terminal control system, and the evaluation result data of a certain system in a certain period of time is uploaded to the four-level data center in combination with the cloud data center control system.
Vehicle-mounted data display terminal: the vehicle-mounted data display terminal can distinguish different systems of a vehicle and display the implementation efficiency state of the vehicle, and meanwhile, the vehicle-mounted data display terminal can display measured data in real time under each vehicle system efficiency state module and visually display real-time information of vehicle performance data for primarily judging the current performance state of the vehicle; through early-stage model calculation or prior experience, thresholds of different parameters are set, and fault diagnosis and early warning systems with different indexes are constructed, so that the function of providing auxiliary decision for drivers and maintenance support personnel is achieved.
The sensor is externally installed: generally, data collected by a preset sensor on a wheeled vehicle comprises vehicle speed, gear, oil consumption, mileage, oil temperature, water temperature, oil pressure, water pressure and the like, and through constructing an efficiency evaluation index system of different systems of the vehicle, test parameters are determined, and a proper sensor is selected for measurement. Such as a driveline body vibration sensor, a driver position sensor, a cab noise sensor, a driveshaft torque sensor, a cooling fan wind speed sensor, a lubricating fluid temperature sensor, an oil quality detector, a brake pad wear detection sensor, and the like.
Big dipper module group
The Beidou module group comprises a Beidou positioning and attitude determining and short message module, a Beidou satellite and a Beidou director receiving module;
big dipper location appearance and short message module: the Beidou positioning, attitude determination and short message communication module can adopt a Beidou satellite communication BDM910 communication positioning module, and the module has the components and functions as shown in figure 2. The low noise amplifier mainly comprises a Beidou RDSS communication module, an RNSS positioning module, an LNA low noise amplifier, a 10W power amplifier module, a baseband circuit module and the like.
Big dipper satellite: the invention selects the third generation Beidou satellite which operates at present to complete data transmission.
Big dipper commander receiving module: the receiving module of the Beidou commanding machine receiving module can be used for receiving short messages sent by the short message module at the vehicle-mounted terminal, the receiving module is a bridge for connecting a single device with a data center, and the commanding machine can be installed in a special data receiving room of the cloud data center, but the problems that the data receiving is influenced by the closed isolation of the data center and the like are avoided.
Vehicle cloud data center
The vehicle cloud data center comprises a data storage, processing and uploading module, an efficiency evaluation software system and an efficiency evaluation display module.
Aiming at the problems of large quantity of vehicles, wide distribution (nationwide), high use frequency and the like, the invention is characterized in that four-level vehicle efficiency evaluation data centers are arranged according to the unit system and the quantity of each unit vehicle, and the aims of synchronous data uploading and real-time evaluation result sharing are realized through a private network (non-internet) data center system. The specific structure is as shown in fig. 3, the first-level hub center (hub) is arranged at headquarter, the second-level data centers (branch centers) are arranged in provinces, the third-level data centers (site groups) are arranged in local cities, and the fourth-level data centers (sites) are arranged in actual vehicle operation management units.
The data storage processing uploading module: the module stores the vehicle data packet sent by the vehicle single-load short message module received by the Beidou director receiving module locally, and uploads the vehicle data packet to a local vehicle cloud data center, so that the data can meet four-level and multi-place synchronization when the system runs in a private network.
The efficiency evaluation software system comprises: the system comprises a whole vehicle efficiency evaluation system, a power transmission system, a steering system, a braking system, a cooling system, a lubricating system efficiency evaluation system and the like. The software system adopts a B/S mode to realize the whole system, has good cross-browser compatibility, meets the operation mode of 'four levels and more places', mutually backs up each other under the condition of private network (non-internet) network connection, synchronously updates data, can independently operate the management system when the network is in fault and disconnected, and timely synchronizes the data after the network is restored to be connected.
A performance evaluation display module: the performance evaluation display module adopts a mode of combining a main module and an auxiliary module, and the main module mainly depends on a GIS geographic information system to display the position information of all vehicles participating in major tasks on a map in real time. The secondary module mainly comprises four parts: the first secondary module is mainly used for displaying all vehicle lists under the task, and mainly comprises information such as vehicle compiling units, license plate numbers and the like; the second secondary module mainly displays the specific coordinate position information of a certain vehicle, and displays the specific coordinate position, nearby building facilities and the like when clicking a certain vehicle in the first secondary module list; the third sub-module mainly displays information such as performance parameters and the like transmitted by the Beidou short message module; the fourth secondary module mainly displays a fault early warning system, namely setting thresholds of different system performance parameters, and sending out early warning information when the thresholds are close to 10% of the thresholds so as to remind a vehicle maintenance and guarantee unit to organize emergency repair and guarantee work.
Claims (6)
1. A vehicle in-service examination efficiency evaluation system based on a cloud service architecture is characterized in that: the vehicle-mounted device comprises a vehicle-mounted device group, a Beidou module group and a vehicle cloud data center;
the vehicle-mounted device group includes:
the vehicle-mounted data acquisition terminal comprises a controller and a vehicle-mounted CAN bus and is used for acquiring vehicle data information;
the vehicle-mounted data processing and storing server is used for receiving vehicle data information acquired by the vehicle-mounted data acquisition terminal and counting to obtain staged vehicle performance data real-time information according to the vehicle data information within a certain period of time;
the vehicle-mounted data display terminal is used for visually displaying the real-time information of the vehicle performance data and preliminarily judging the current performance state of the vehicle;
a sensor is externally arranged and used for collecting various parameter data of the vehicle;
the Beidou module group is used for connecting the vehicle-mounted device group and the vehicle cloud data center to realize information transmission of the vehicle-mounted device group and the vehicle cloud data center;
the vehicle cloud data center includes:
the data storage processing uploading module is used for receiving and storing the real-time information of the vehicle performance data;
the efficiency evaluation software system is used for carrying out vehicle efficiency evaluation analysis by combining a pre-trained and verified efficiency evaluation model according to the real-time information of the vehicle performance data;
the display module adopts a mode of 'main module + auxiliary module', the main module is combined with a GIS geographic information system to realize the overall analysis and display of the situation of the vehicle, and the auxiliary module realizes the functions of vehicle service condition, real-time positioning coordinate display, state performance evaluation and fault early warning through vehicle-mounted data acquisition terminal data.
2. The cloud service architecture-based vehicle in-service assessment performance evaluation system of claim 1, wherein: big dipper module group includes:
the Beidou positioning, attitude determining and short message communication module is used for carrying out real-time positioning on the vehicle by being connected with Beidou satellite data and storing position data in the vehicle-mounted data acquisition terminal; the data processed by the vehicle-mounted data acquisition terminal is transmitted to a vehicle cloud data center through a Beidou satellite in a short message packaging mode;
and the Beidou director receiving module is used for receiving data information of the Beidou positioning and attitude determination and short message communication module transmitted by a Beidou satellite, and the received data information is transmitted to a vehicle cloud data center.
3. The cloud service architecture-based vehicle in-service assessment performance evaluation system of claim 1, wherein: the vehicle-mounted data acquisition terminal adopts a structure of 'DSP + ARM', and further comprises a conditioning circuit, an A/D conversion module, a power supply module, a data transmission control switch, a display screen and a data storage module.
4. The cloud service architecture-based vehicle in-service assessment performance evaluation system of claim 1, wherein: the Beidou positioning, attitude determining and short message communication module adopts a Beidou satellite communication BDM910 communication positioning module and comprises a Beidou RDSS communication module, an RNSS positioning module, a LNA low noise amplifier, a 10W power amplifier module and a baseband circuit module.
5. The cloud service architecture-based vehicle in-service assessment performance evaluation system of claim 1, wherein: the efficiency evaluation software system comprises a complete vehicle efficiency evaluation system, a power transmission system, a steering system, a braking system, a cooling system, a lubricating system and the like.
6. The cloud service architecture-based vehicle in-service assessment performance evaluation system of claim 1, wherein: the secondary module of the efficiency evaluation display module comprises four parts: the first secondary module is used for displaying all vehicle lists under the task, including vehicle organization units and license plate number information; the second secondary module is used for displaying specific coordinate position information of a certain vehicle, and displaying a specific coordinate position and nearby building facilities when a certain vehicle in the first secondary module list is clicked; the third sub-module is used for displaying the performance parameter information transmitted by the Beidou short message module; the fourth auxiliary module is used for displaying the fault early warning system, namely setting thresholds of different system performance parameters, and sending out early warning information when the thresholds are close to 10% of the thresholds so as to remind a vehicle maintenance and guarantee unit to organize emergency repair and guarantee work.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115242649A (en) * | 2022-07-26 | 2022-10-25 | 白犀牛智达(北京)科技有限公司 | Data returning method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115242649A (en) * | 2022-07-26 | 2022-10-25 | 白犀牛智达(北京)科技有限公司 | Data returning method and system |
| CN115242649B (en) * | 2022-07-26 | 2023-10-31 | 白犀牛智达(北京)科技有限公司 | Data return method and system |
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