CN101930234A - Vehicle-mounted master controller for vehicle-mounted information system and control system thereof - Google Patents
Vehicle-mounted master controller for vehicle-mounted information system and control system thereof Download PDFInfo
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Abstract
The invention relates to a vehicle-mounted master controller for a vehicle-mounted information system and a control system thereof. The vehicle-mounted master controller comprises a master control unit, and a controller area network (CAN) interface circuit, an voice-frequency circuit, a global positioning system (GPS) circuit, a Bluetooth hands-free circuit, a liquid crystal display interface, a universal serial bus (USB) interface circuit, a secure digital (SD) card interface, a joint test action group (JTAG) interface and a reset circuit which are arranged at the periphery of the master control unit, wherein the master control unit consists of a control chip integrated with an extended synchronous dynamic random access memory (SDRAM) and a flash. The control system of the vehicle-mounted master controller comprises a vehicle condition information data acquisition control unit, a GPRS technology-based automobile failure alarm control unit, a video processing control unit and a vehicle-mounted master control unit, wherein the vehicle condition information data acquisition control unit finishes the acquisition and transmission of vehicle condition information data; and the GPRS technology-based automobile failure alarm control unit performs remote alarm according to remote alarm information transmitted by the vehicle-mounted master controller unit. The master controller and the control system have multiple functions and automobile maintenance suggestions can be given to an automobile owner.
Description
Technical field
The present invention relates to a kind of inter-vehicle information system.Particularly relate to a kind of vehicle-mounted master controller and control system thereof of being used for inter-vehicle information system with vehicle condition diagnosis and vehicle condition data management function.
Background technology
Along with new material, new technology, the utilization of new technology in automobile production, manufacture process, the electronics The Application of Technology more and more widely on automobile, the electronic degree of automobile is more and more higher, and particularly after using microcomputer on the automobile, automobile has entered the automatically controlled epoch.The development of technology such as radio communication, control automatically, processor and detection of dynamic and maturation provide technical support for the design of inter-vehicle information system simultaneously.Inter-vehicle information system is a kind of novel vehicle electronics, and at present more external well-known automobile production manufacturers have done years of researches in this respect, have formed product.Inter-vehicle information system comprises that mainly automobile information shows and fault diagnosis two big classes.It is to show various figures, image information by display screen that automobile information shows, as: electronic chart, automobile position etc.Vehicle fault diagnosis system is by the failure message of each parts of Network Transmission of automotive interior, by diagnostics interface to the external transmission data, special-purpose fault diagnosis equipment obtains data by this interface, vehicle complete vehicle is detected, find out the position and the reason that break down, and show by specific symbol and to tell how the repairman carries out quick, correct repairing.Along with the development of inter-vehicle information system, inter-vehicle information system also possesses functions such as multimedia recreation except above-mentioned functions.At present external inter-vehicle information system is as the important component part of automotive electronics, mainly as the configuration of high-end automobile.All there is this series products in a lot of automobile production producer of Japan, and companies such as Toyota, Panasonic have all developed the vehicle mounted guidance product of oneself.Also there are the product of oneself in other developed countries such as the U.S., Germany.For example, BMW i-drive multimedia control system, its function comprises adjusting, radar for backing car, amusement and the online of navigation, air-conditioning.Domestic existing inter-vehicle information system also mainly is configured on the high-end automobile.Compare external inter-vehicle information system, many critical functions lack, such as the in-vehicle information diagnostic function of vehicle, standby maintenance function etc.And along with the progress of automotive electronic technology, more and more higher to the functional requirement of inter-vehicle information system, need integrated location navigation, fault demonstration and many-sided functions such as diagnosis, amusement, the multifunctional vehicle mounted infosystem of realization high integration.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of integrated location navigation function, recreational facilities, bluetooth handsfree, the demonstration of travel condition of vehicle information, fault to show, report to the police to reach based on the remote failure of GPRS and gather the vehicle-mounted master controller and the control system thereof that are used for inter-vehicle information system that vehicle condition information is carried out functions such as condition diagnosing, automotive performance assessment when driving.
The technical solution adopted in the present invention is: a kind of vehicle-mounted master controller and control system thereof that is used for inter-vehicle information system, vehicle-mounted master controller is the vehicle-mounted master controller that is used in the inter-vehicle information system with ST10 ECU (Electrical Control Unit) and GPRS alarm unit, and described vehicle-mounted master controller includes: main control unit and the CAN interface circuit, voicefrequency circuit, GPS circuit, bluetooth handsfree circuit, LCD Interface, usb circuit, SD card, jtag interface and the reset circuit that are arranged at the main control unit periphery.
Described main control unit is to be made of the SDRAM of integrated expansion and the control chip of FLASH.
Described control chip is that the corresponding respectively SPI interface that passes through itself connects the CAN interface circuit, IIS interface by itself connects and voicefrequency circuit, serial ports UART by itself connects the GPS circuit, serial ports UART by itself connects the bluetooth handsfree circuit, described SD card, adopt the inner integrated SD/MMC controller of main control unit, expansion high capacity SD card is realized data storage such as GPS map; Described usb circuit adopts the inner integrated USB_Host of main control unit, is used for mobile storage, and vehicle condition information is preserved; Described LCD Interface and jtag interface are integrated in control chip inside, and control chip extracts by the interface signal line with LCD Interface and jtag interface and is connected corresponding circuit.
Described CAN interface circuit includes: the CAN controller that is connected and communicates with the SPI interface of control chip, the photoelectrical coupler that receives and send that is connected with the CAN controller, the CAN transceiver (21) that links to each other with photoelectrical coupler and the CAN bus that links to each other with the CAN transceiver.
The control system of vehicle-mounted master controller, include vehicle condition information data acquisition controlling unit, automobile failure alarm control module based on the GPRS technology, Video processing control module, vehicle-mounted Main Control Unit, described vehicle condition information data acquisition controlling unit, finish the collection of vehicle condition information data, transmit,, carry out remote alarms according to the remote alarms information that vehicle-mounted Main Control Unit sends based on the automobile failure alarm control module of GPRS technology.
Described vehicle-mounted Main Control Unit includes: contain GPS navigation, movie, browsing pictures, playing back music, the hands-free multimedia recreation functional module of on-vehicle Bluetooth, and vehicle condition diagnosis and vehicle condition data management function module.
The diagnosis of described vehicle condition includes with vehicle condition data management function module: data transmission method, show vehicle body status method, fault and vehicle condition database, vehicle condition diagnostic method, automobile failure alarm method and automotive performance appraisal procedure in real time.
Described fault and vehicle condition database have: the preservation and the management of fault sample data, characteristic parameter historical data and vehicle condition data, and fault diagnosis model parameter, assessment models parameter, fault diagnosis database.
Described vehicle condition diagnosis comprises the steps: with vehicle condition data management function module operation master routine
1) judges whether vehicle condition has fault, is to enter the 8th step, otherwise enter the 2nd step;
2) judging whether to receive data, is to enter the 3rd step, otherwise returns the 1st step;
3) show real-time vehicle body state;
4) preserve the vehicle condition data;
5) judge whether to carry out the automotive performance assessment, be to enter the 6th step, otherwise enter the 7th step;
6) enter automotive performance assessment subroutine;
7) judging whether to withdraw from, is to finish, and begins otherwise return the 1st step;
8) enter the automobile failure diagnosis subroutine;
9) enter the 7th step after the preservation fault sample data.
Described automotive performance assessment subroutine comprises following flow process:
1) calls the assessment models parameter;
2) calculate present engine power;
3) calculate current oil consumption rate;
4) call historical vehicle condition data;
5) calculation engine variable power trend;
6) calculate the oil consumption rate variation tendency;
7) output maintenance suggestion;
8) return master routine.
Described automobile failure diagnosis subroutine comprises following flow process:
1) selects the system that fault took place;
2) select phenomenon of the failure;
3) whether the failure judgement reason is definite, is to enter next step, otherwise carries out system's rational analysis, returns previous step then;
4) fix a breakdown;
5) the maintenance suggestion is proposed;
6) return master routine.
The rational analysis of described system is to finish by following flow process:
1) determines the affiliated pattern of fault, and find the corresponding node of current failure symptom;
2) judge whether corresponding node is father node, be to enter next step after finding child node to add groups of nodes, otherwise directly enter next step;
3) take out regular NO from node ID, add rule sets;
4) find regular former piece and consequent in the rule list in the fault diagnosis database;
5) the judgement state is normal, normally enters for the 11st step, otherwise enters next step;
6) rule condition is failure cause, adds the failure cause array;
7) find the maintenance of fault to advise in the conclusion table in the fault diagnosis database;
Whether be empty, for sky enters next step, otherwise returned for the 6th step if 8) continuing failure judgement reason array;
9) whether decision node is empty, is into down to go on foot, otherwise returns for the 3rd step;
10) show the fault conclusion, and finish;
11) whether the judgment rule group is empty, is to enter next step, otherwise returns for the 4th step;
12) whether the decision node group is empty, is to enter next step, otherwise returns for the 3rd step;
13) the no conclusion of diagnosis, and finish.
Vehicle-mounted master controller and the control system thereof that is used for inter-vehicle information system of the present invention, it is a kind of collection location navigation function, recreational facilities, bluetooth handsfree, travel condition of vehicle information show, fault shows, report to the police and gather vehicle condition information when driving to carry out functions such as condition diagnosing, automotive performance assessment be the device of one based on the remote failure of GPRS, can also safeguard suggestion for the car owner provide Motor Maintenance simultaneously.
Superiority of the present invention is: 1. based on integrated location navigation function, the demonstration of travel condition of vehicle information, fault demonstration and diagnosis, multimedia recreation, bluetooth handsfree, the vehicle body real-time information demonstration of ARM and the high integration ARM multimedia recreation and the data processing unit design proposal of carrying out automobile failure alarm and automotive performance assessment according to vehicle condition information; 2. onboard wireless voice remote alarms, application service function have been designed based on GPRS; 3. adopt the video processing unit design of special-purpose multifunctional liquid crystal display drive chip, can automatically switch according to switching signal and realize that vehicle backing backsight AV video acquisition shows and the interface display of ARM multimedia recreation and data processing unit.4. gather vehicle condition information when driving and carry out the vehicle condition diagnosis, output alarm information and maintenance suggestion are for the user provides automobile fault information directly perceived.5. gather the device that vehicle condition information is carried out functions such as automotive performance assessment when driving, safeguard suggestion for the user provides Motor Maintenance.
Description of drawings
Fig. 1 is the general structure synoptic diagram of inter-vehicle information system involved in the present invention;
Fig. 2 is a vehicle-mounted main controller circuit structural drawing of the present invention;
Fig. 3 is a vehicle-mounted main controller circuit structural drawing of the present invention;
Fig. 4 is the circuit structure diagram of CAN interface circuit of the present invention;
Fig. 5 is the circuit structure diagram of GPS circuit of the present invention;
Fig. 6 is the circuit structure diagram of voicefrequency circuit of the present invention;
Fig. 7 is the circuit structure diagram of bluetooth handsfree circuit of the present invention;
Fig. 8 is the structural drawing of fault of the present invention and vehicle condition database;
Fig. 9 is the main flow chart of vehicle condition diagnosis of the present invention and vehicle condition data management module;
Figure 10 is automotive performance estimation flow figure of the present invention;
Figure 11 is an automobile failure diagnosis process flow diagram of the present invention;
Figure 12 is a fault diagnosis reasoning process flow diagram of the present invention.
Wherein:
1: vehicle-mounted master controller 2:ST10 ECU (Electrical Control Unit)
3:GPRS alarm unit 4: main control unit
5:CAN interface circuit 6: voicefrequency circuit
7:GPS circuit 8: bluetooth handsfree circuit
9: LCD Interface 10:USB interface circuit
11:SD card 12:JTAG interface
13: reset circuit 14: power supply
15: debug serial port 16: the SDRAM of expansion
The control chip 18 of 17:FLASH20: control chip
19:CAN controller 20: photoelectrical coupler
21:CAN transceiver 22:CAN bus
23:GPS chip 24: antenna
25: audio coding decoding chip 26: microphone
27: sound equipment 28: bluetooth module
A: send photoelectrical coupler b: receive photoelectrical coupler
Embodiment
Below in conjunction with embodiment and accompanying drawing vehicle-mounted master controller and the control system thereof that is used for inter-vehicle information system of the present invention made a detailed description.
As shown in Figure 1, the vehicle-mounted master controller that is used for inter-vehicle information system of the present invention, be the vehicle-mounted master controller 1 that is used in the inter-vehicle information system with ST10 ECU (Electrical Control Unit) 2 and GPRS alarm unit 3, described vehicle-mounted master controller 1 includes: main control unit 4 and the CAN interface circuit 5, voicefrequency circuit 6, GPS circuit 7, bluetooth handsfree circuit 8, LCD Interface 9, usb circuit 10, SD card 11, jtag interface 12 and the reset circuit 13 that are arranged at main control unit 4 peripheries.Thereby improved the integrated level of system unit, reduced the cost of system to a great extent.
As shown in Figure 3, described main control unit 4 is that the model by the SDRAM 16,17 of integrated expansion and FLASH20 is that the control chip 18 of S3C2440 constitutes.
As shown in Figure 2, described control chip 18 is that the corresponding respectively SPI interface that passes through itself connects CAN interface circuit 5, IIS interface by itself connects and voicefrequency circuit 6, and the serial ports UART connection GPS circuit 7 by itself connects bluetooth handsfree circuit 8 by serial ports UART own.Wherein, described SD card 11 adopts the inner integrated SD/MMC controller of S3C2440, and expansion high capacity SD card is realized data storage such as GPS map; Described usb circuit 10 adopts the inner integrated USB_Host of S3C2440, be used for mobile storage, and vehicle condition information is preserved; Described LCD Interface 9 and jtag interface 12 are integrated in control chip 18 inside, and control chip 18 extracts by the interface signal line with LCD Interface 9 and jtag interface 12 and is connected corresponding circuit.
As shown in Figure 4, described CAN interface circuit 5 includes: the CAN controller 19 that is connected and communicates with the inner integrated SPI controller of control chip 18, the photoelectrical coupler that receives and send 20 that is connected with CAN controller 19, the CAN transceiver 21 that links to each other with photoelectrical coupler 20 and the CAN bus 22 that links to each other with CAN transceiver 21.Realize gathering and CAN communication based on the automobile failure alarm unit of GPRS technology with the vehicle condition information data.
Described vehicle condition information data is gathered and automobile failure alarm unit based on the GPRS technology, comprises vehicle condition information data Acquisition Circuit and constitutes based on the automobile failure alarm circuit of GPRS technology, and the two can connect by CAN bus interface or serial communication interface.Vehicle condition information data Acquisition Circuit design adopts the expansion of 16 8-digit microcontrollers to be provided with that K line interface, CAN bus interface etc. are gathered the vehicle condition data and from the fault alarm information of ECU, give vehicle-mounted master controller by the CAN bus interface with above-mentioned information transmission, and carry out remote speech/SMS alarm by the GPRS failure alarm circuit according to the order of vehicle-mounted master controller.
Described automobile failure alarm circuit based on the GPRS technology comprises single-chip microcomputer, GPRS wireless communication module, speech function module, fault-signal receiver module circuit composition, by the control of each module of chip microcontroller.
As shown in Figure 5, the UART1 mouth that S3C2440 are adopted in 7 designs of described GPS circuit and model are that the GPS chip 23 of SDT11 is connected, and described GPS chip 23 also connects the IO interface of control chip 18, is used for state-detection.
As shown in Figure 6, described voicefrequency circuit 6 adopts the integrated IIS bus in control chip 18 inside, connects 8/16 external stereo audio encoding/decoding chip 25 as the codec interface, realizes required acoustics.The model of described audio coding decoding chip 25 is UDA1341TS.
As shown in Figure 7, described bluetooth handsfree circuit 8 designs adopt the UART1 mouth of control chip 18 S3C2440 to be connected with bluetooth module 28, realize functions such as answer/make/secret conversation (can switch to the mobile phone communication pattern)/refuse to listen/double frequency conversion (only supporting dual-band mobile phone to use)/hang up, and power on from function such as being dynamically connected.
The control system of vehicle-mounted master controller of the present invention, include vehicle condition information data acquisition controlling unit, automobile failure alarm control module based on the GPRS technology, Video processing control module, vehicle-mounted Main Control Unit, described vehicle condition information data acquisition controlling unit, finish the collection of vehicle condition information data, transmit,, carry out remote alarms according to the remote alarms information that vehicle-mounted master controller sends based on the automobile failure alarm control module of GPRS technology.
Described video processing unit according to showing the display frame of selecting switching command can show vehicle-mounted master controller, also can show the car backsight picture under the reversing state.
Described vehicle-mounted Main Control Unit includes: contain GPS navigation, movie, browsing pictures, playing back music, the hands-free multimedia recreation functional module of on-vehicle Bluetooth, and vehicle condition diagnosis and vehicle condition data management function module.
Described GPS navigation, the function that provides mainly contains: from car location, place name search, path planning, analogue navigation, voice suggestion, address/path storage etc.
Described movie, music player, committed memory is little, supports multiple form, language.
The Image Viewer that described Photo Browser carries with Wince.
Described on-vehicle Bluetooth hand-free function module mainly is based on the Bluetooth wireless transmission technology, and adopts the mode of active searching to realize that the car phone in the car is hands-free, and function comprises: active searching car owner's bluetooth cellular phone also connects; Realize dialing/answering/refusing to receive telephone by touch screen interface; Module powers on and searches for bluetooth cellular phone etc. automatically.
The diagnosis of described vehicle condition includes with vehicle condition data management function module: data transmission method, show vehicle body status method, fault and vehicle condition database, vehicle condition diagnostic method, automobile failure alarm method and automotive performance appraisal procedure in real time.
Said data transmission method is finished vehicle-mounted Main Control Unit, the vehicle condition information data is gathered and based on the vehicle condition information data transmission between the automobile failure alarm unit of GPRS technology, comprise CAN driver and communication protocol packet.
Described real-time demonstration vehicle body status method, the vehicle body real-time information that comes according to data-transformation facility program transmission shows the real-time vehicle body state of engine speed, speed, total kilometrage, temperature, and the warning message that comes according to automobile failure alarm and the transmission of automotive performance evaluation function program and automotive performance data presentation fault content, vehicle condition state.
Described automobile failure alarm method carries out this locality demonstration, audible alarm according to the diagnostic result of vehicle condition diagnostic routine.
As shown in Figure 8, described fault and vehicle condition database include: the preservation and the management of fault sample data, characteristic parameter historical data and vehicle condition data, and fault diagnosis model parameter, assessment models parameter, fault diagnosis database (comprise three tables: the fault tree table, rule list, the conclusion table, these three tables are according to servicing manual, set up fault tree, come out according to the fault tree summary finishing again, exist) with the form of database.Wherein fault diagnosis model parameter, assessment models parameter are determined by the experiment of automobile associated stand.
Described vehicle condition diagnostic method is the function that allows to add fault diagnosis algorithm that this device provides, and is made of interface drive program and diagnosis algorithm program.Interface drive program is realized renewal, the loading of condition diagnosing algorithm.Diagnosis algorithm is made of multi-model diagnosis algorithm storehouses such as fault tree methods, adopts the fault tree method to carry out explicit fault diagnosis according to collection of vehicle condition information data and the vehicle condition status data that collects based on the automobile failure alarm unit of GPRS technology; The vehicle condition diagnostic module is according to after the vehicle condition information completion status fault diagnosis that collects simultaneously, and output alarm information and maintenance are advised.
As shown in Figure 9, described vehicle condition diagnosis comprises the steps: with vehicle condition data management function module operation master routine
1) judges whether vehicle condition has fault, is to enter the 8th step, otherwise enter the 2nd step;
2) judge whether to receive the data of vehicle body state in real time such as the engine speed that transmits from ST10 ECU (Electrical Control Unit) 2, speed, total kilometrage, temperature, be to enter the 3rd step, otherwise return the 1st step;
3) show real-time vehicle body state;
4) preserve the vehicle condition data, be about to the vehicle condition data and be saved in the database;
5) judge whether to carry out the automotive performance assessment, be to enter the 6th step, otherwise enter the 7th step;
6) enter automotive performance assessment subroutine;
7) judging whether to withdraw from, is to finish, and begins otherwise return the 1st step;
8) enter the automobile failure diagnosis subroutine;
9) enter the 7th step after preserving in the fault sample data to data storehouse.
Described automotive performance evaluation function program is under unfaulty conditions, from the raw data of vehicle condition information, extracted cylinder voltage crest value, the rotating speed amplitude that on average fluctuates, acceleration time, deceleration time, fuel supply advance angle, fuel consumption, characteristic quantities such as torque T tq are imported as neural network, with engine capacity, oil consumption rate is exported as neural network, neural network adopts 3-tier architecture, 7 nodes of input layer, 15 nodes in middle layer, 1 node of output layer, carry out neural metwork training according to automobile platform experiment sample data, set up 2 BP neural networks respectively and carry out Performance Evaluation, and provide Motor Maintenance to safeguard suggestion to the user according to expertise.As shown in figure 10, described automotive performance assessment subroutine comprises following flow process:
1) calls the assessment models parameter;
2) calculate present engine power according to neural network model;
3) calculate current oil consumption rate according to neural network model;
4) from database, call historical vehicle condition data;
5) calculation engine variable power trend specifically is to be unit with hundred kilometers ranges of driving, according to neural network model calculation engine variable power trend;
6) calculating the oil consumption rate variation tendency, specifically is to be unit with hundred kilometers ranges of driving, according to neural network model calculation engine oil consumption rate variation tendency;
7) output maintenance suggestion;
8) return master routine.
As shown in figure 11, described automobile failure diagnosis subroutine comprises following flow process:
1) selects system's (engine, chassis system or appliance circuit) that fault took place;
2) select phenomenon of the failure;
3) whether the failure judgement reason is definite, is to enter next step, otherwise carries out system's rational analysis, returns previous step then;
4) fix a breakdown;
5) the maintenance suggestion is proposed;
6) return master routine.
As shown in figure 12, the rational analysis of described system is to finish by following flow process:
1) determines pattern under the fault according to current fault diagnosis sign, and find the corresponding node of current failure symptom;
2) judge whether corresponding node is father node, be to enter next step after finding child node to add groups of nodes, otherwise directly enter next step;
3) take out regular NO from node ID, add rule sets; (NO refers to the numbering of concrete rule)
4) find regular former piece and consequent in the rule list in the fault diagnosis database;
5) the judgement state is normal, normally enters for the 11st step, otherwise enters next step;
6) rule condition is failure cause, adds the failure cause array;
7) find the maintenance of fault to advise in the conclusion table in the fault diagnosis database;
Whether be empty, for sky enters next step, otherwise returned for the 6th step if 8) continuing failure judgement reason array;
9) whether decision node is empty, is into down to go on foot, otherwise returns for the 3rd step;
10) show the fault conclusion, and finish;
11) whether the judgment rule group is empty, is to enter next step, otherwise returns for the 4th step;
12) whether the decision node group is empty, is to enter next step, otherwise returns for the 3rd step;
13) the no conclusion of diagnosis, and finish.
Of the present inventionly be used for the vehicle-mounted master controller of inter-vehicle information system and the principle of control system is: adopt 16 8-digit microcontrollers and expanded function circuit to realize the collection of vehicle condition information data and in collection of vehicle condition information data and automobile failure alarm unit based on the automobile failure alarm of GPRS technology based on the GPRS technology, give vehicle-mounted master controller by the CAN bus interface with above-mentioned information transmission, and carry out remote speech/SMS alarm by the GPRS failure alarm circuit according to the order of vehicle-mounted master controller.Main integrated ARM S3C2440A and chip external memory, GPS circuit, bluetooth handsfree circuit, SD card, USB interface, reset circuit, CAN interface circuit, voicefrequency circuits etc. such as expansion SDRAM, FLASH in vehicle-mounted master controller realize that multimedia recreation functions such as GPS navigation, movie, browsing pictures, playing back music, on-vehicle Bluetooth be hands-free and condition information data management function module comprise data transmission, show vehicle body status function program, automobile failure alarm and automotive performance evaluation function in real time.In video processing unit, realize according to showing that the selection switching command can show the demonstration forms information of vehicle-mounted master controller, also can show the car rear video information under the reversing state.
Claims (12)
1. vehicle-mounted master controller that is used for inter-vehicle information system, be the vehicle-mounted master controller (1) that is used in the inter-vehicle information system with ST10 ECU (Electrical Control Unit) (2) and GPRS alarm unit (3), it is characterized in that: described vehicle-mounted master controller (1) includes: main control unit (4) and be arranged at main control unit (4) peripheral CAN interface circuit (5), voicefrequency circuit (6), GPS circuit (7), bluetooth handsfree circuit (8), LCD Interface (9), usb circuit (10), SD card (11), jtag interface (12) and reset circuit (13).
2. the vehicle-mounted master controller that is used for inter-vehicle information system according to claim 1 is characterized in that, described main control unit (4) is control chip (18) formation by the SDRAM (16,17) of integrated expansion and FLASH (20).
3. the vehicle-mounted master controller that is used for inter-vehicle information system according to claim 1, it is characterized in that, described control chip (18) is that the corresponding respectively SPI interface that passes through itself connects CAN interface circuit (5), IIS interface by itself connects and voicefrequency circuit (6), serial ports UART by itself connects GPS circuit (7), serial ports UART by itself connects bluetooth handsfree circuit (8), described SD card (11), adopt the inner integrated SD/MMC controller of main control unit (4), expansion high capacity SD card is realized data storage such as GPS map; Described usb circuit (10) adopts the inner integrated USB Host of main control unit (4), is used for mobile storage, and vehicle condition information is preserved; Described LCD Interface (9) and jtag interface (12) are integrated in control chip (18) inside, and control chip (18) extracts by the interface signal line with LCD Interface (9) and jtag interface (12) and is connected corresponding circuit.
4. the vehicle-mounted master controller that is used for inter-vehicle information system according to claim 1, it is characterized in that, described CAN interface circuit (5) includes: the CAN controller (19) that is connected and communicates with the SPI interface of control chip (18), the photoelectrical coupler that receives and send (20) that is connected with CAN controller (19), the CAN transceiver (21) that links to each other with photoelectrical coupler (20) and the CAN bus (22) that links to each other with CAN transceiver (21).
5. control system that is used for the described vehicle-mounted master controller of claim 1, it is characterized in that, include vehicle condition information data acquisition controlling unit, automobile failure alarm control module based on the GPRS technology, Video processing control module, vehicle-mounted Main Control Unit, described vehicle condition information data acquisition controlling unit, finish the collection of vehicle condition information data, transmit, based on the automobile failure alarm control module of GPRS technology, carry out remote alarms according to the remote alarms information that vehicle-mounted Main Control Unit sends.
6. the control system of vehicle-mounted master controller according to claim 5, it is characterized in that, described vehicle-mounted Main Control Unit includes: contain GPS navigation, movie, browsing pictures, playing back music, the hands-free multimedia recreation functional module of on-vehicle Bluetooth, and vehicle condition diagnosis and vehicle condition data management function module.
7. the control system of vehicle-mounted master controller according to claim 6, it is characterized in that the diagnosis of described vehicle condition includes with vehicle condition data management function module: data transmission method, show vehicle body status method, fault and vehicle condition database, vehicle condition diagnostic method, automobile failure alarm method and automotive performance appraisal procedure in real time.
8. the control system of vehicle-mounted master controller according to claim 7, it is characterized in that, described fault and vehicle condition database have: the preservation and the management of fault sample data, characteristic parameter historical data and vehicle condition data, and fault diagnosis model parameter, assessment models parameter, fault diagnosis database.
9. the control system of vehicle-mounted master controller according to claim 6 is characterized in that, described vehicle condition diagnosis comprises the steps: with vehicle condition data management function module operation master routine
1) judges whether vehicle condition has fault, is to enter the 8th step, otherwise enter the 2nd step;
2) judging whether to receive data, is to enter the 3rd step, otherwise returns the 1st step;
3) show real-time vehicle body state;
4) preserve the vehicle condition data;
5) judge whether to carry out the automotive performance assessment, be to enter the 6th step, otherwise enter the 7th step;
6) enter automotive performance assessment subroutine;
7) judging whether to withdraw from, is to finish, and begins otherwise return the 1st step;
8) enter the automobile failure diagnosis subroutine;
9) enter the 7th step after the preservation fault sample data.
10. the control system of vehicle-mounted master controller according to claim 9 is characterized in that, described automotive performance assessment subroutine comprises following flow process:
1) calls the assessment models parameter;
2) calculate present engine power;
3) calculate current oil consumption rate;
4) call historical vehicle condition data;
5) calculation engine variable power trend;
6) calculate the oil consumption rate variation tendency;
7) output maintenance suggestion;
8) return master routine.
11. the control system of vehicle-mounted master controller according to claim 9 is characterized in that, described automobile failure diagnosis subroutine comprises following flow process:
1) selects the system that fault took place;
2) select phenomenon of the failure;
3) whether the failure judgement reason is definite, is to enter next step, otherwise carries out system's rational analysis, returns previous step then;
4) fix a breakdown;
5) the maintenance suggestion is proposed;
6) return master routine.
12. the control system of vehicle-mounted master controller according to claim 9 is characterized in that, the rational analysis of described system is to finish by following flow process:
1) determines the affiliated pattern of fault, and find the corresponding node of current failure symptom;
2) judge whether corresponding node is father node, be to enter next step after finding child node to add groups of nodes, otherwise directly enter next step;
3) take out regular NO from node ID, add rule sets;
4) find regular former piece and consequent in the rule list in the fault diagnosis database;
5) the judgement state is normal, normally enters for the 11st step, otherwise enters next step;
6) rule condition is failure cause, adds the failure cause array;
7) find the maintenance of fault to advise in the conclusion table in the fault diagnosis database;
Whether be empty, for sky enters next step, otherwise returned for the 6th step if 8) continuing failure judgement reason array;
9) whether decision node is empty, is into down to go on foot, otherwise returns for the 3rd step;
10) show the fault conclusion, and finish;
11) whether the judgment rule group is empty, is to enter next step, otherwise returns for the 4th step;
12) whether the decision node group is empty, is to enter next step, otherwise returns for the 3rd step;
13) the no conclusion of diagnosis, and finish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010300608 CN101930234B (en) | 2010-04-20 | 2010-04-20 | Vehicle-mounted master controller for vehicle-mounted information system and control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010300608 CN101930234B (en) | 2010-04-20 | 2010-04-20 | Vehicle-mounted master controller for vehicle-mounted information system and control system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101930234A true CN101930234A (en) | 2010-12-29 |
| CN101930234B CN101930234B (en) | 2013-01-02 |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201172A (en) * | 2011-05-17 | 2011-09-28 | 北京工业大学 | Vehicle-mounted navigation device with behavior guidance and constraining capability and method thereof |
| CN102259594A (en) * | 2011-05-18 | 2011-11-30 | 河海大学 | Advanced reduced instruction-set computer (RISC) machine (ARM)-based integrated information display system for automobile |
| CN102325385A (en) * | 2011-08-31 | 2012-01-18 | 深圳市阿龙电子有限公司 | Driving record system based on WiFi (Wireless Fidelity) communication |
| CN102385380A (en) * | 2011-09-23 | 2012-03-21 | 广西三原高新科技有限公司 | Cluster automobile diagnosis information platform |
| CN102393202A (en) * | 2011-08-02 | 2012-03-28 | 广东远峰电子科技有限公司 | Portable navigator capable of displaying vehicle-loaded radar system information |
| CN102520714A (en) * | 2011-12-22 | 2012-06-27 | 深圳市赛格导航科技股份有限公司 | Automobile fault diagnosis reminding device and system |
| CN102627071A (en) * | 2012-04-12 | 2012-08-08 | 常熟恒基科技有限公司 | Liquid crystal instrument |
| CN103106909A (en) * | 2011-11-09 | 2013-05-15 | 上海博泰悦臻网络技术服务有限公司 | Vehicle device and vehicle video control method |
| CN103204116A (en) * | 2013-03-25 | 2013-07-17 | 重庆长安汽车股份有限公司 | Vehicular information service system |
| CN103434417A (en) * | 2013-08-08 | 2013-12-11 | 广西电网公司电力科学研究院 | Vehicle-mounted intelligent terminal device of electric vehicle |
| CN103581223A (en) * | 2012-07-24 | 2014-02-12 | 中国电信股份有限公司 | Processing system and method for vehicle-mounted service information and vehicle-mounted communication device |
| CN104506207A (en) * | 2014-11-27 | 2015-04-08 | 华晨汽车集团控股有限公司 | Vehicle-mounted network communication device |
| CN105511453A (en) * | 2016-01-20 | 2016-04-20 | 无锡威孚力达催化净化器有限责任公司 | Service aid for SCR (Selective Catalytic Reduction) post-processing system |
| CN106444478A (en) * | 2016-08-29 | 2017-02-22 | 上海航盛实业有限公司 | Vehicular mainboard structure |
| CN106647715A (en) * | 2017-01-16 | 2017-05-10 | 南京奥联新能源有限公司 | Apparatus and method for implementing CAN (controller area network) channel extension of master controller based on SPI (serial peripheral interface) |
| CN107071323A (en) * | 2017-01-10 | 2017-08-18 | 美高卡兰光电科技（北京）有限公司 | Equipment choosing method, interface box and in-vehicle display system |
| CN109738874A (en) * | 2019-01-14 | 2019-05-10 | 辽宁工业大学 | A kind of trailer-mounted radar test device and its control method |
| CN110012061A (en) * | 2019-02-20 | 2019-07-12 | 杭州天铭科技股份有限公司 | Managing device, vehicle and the server of automobile-used equipment |
| CN111190062A (en) * | 2019-12-30 | 2020-05-22 | 清华大学深圳国际研究生院 | Vehicle electric control system safety analysis method and device based on neural network |
| CN111582732A (en) * | 2020-05-12 | 2020-08-25 | 胡伊婷 | Vehicle condition analysis system based on big data |
| CN113311815A (en) * | 2021-06-09 | 2021-08-27 | 中国第一汽车股份有限公司 | Diagnosis method, apparatus, medium, and electronic device for vehicle-mounted controller |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101576A (en) * | 2006-07-06 | 2008-01-09 | 李涛 | Vehicle mounted multifunctional information processor |
| CN101118694A (en) * | 2007-05-18 | 2008-02-06 | 李克明 | Vehicle intellectualized management system |
-
2010
- 2010-04-20 CN CN 201010300608 patent/CN101930234B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101101576A (en) * | 2006-07-06 | 2008-01-09 | 李涛 | Vehicle mounted multifunctional information processor |
| CN101118694A (en) * | 2007-05-18 | 2008-02-06 | 李克明 | Vehicle intellectualized management system |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102201172A (en) * | 2011-05-17 | 2011-09-28 | 北京工业大学 | Vehicle-mounted navigation device with behavior guidance and constraining capability and method thereof |
| CN102259594A (en) * | 2011-05-18 | 2011-11-30 | 河海大学 | Advanced reduced instruction-set computer (RISC) machine (ARM)-based integrated information display system for automobile |
| CN102393202A (en) * | 2011-08-02 | 2012-03-28 | 广东远峰电子科技有限公司 | Portable navigator capable of displaying vehicle-loaded radar system information |
| CN102325385A (en) * | 2011-08-31 | 2012-01-18 | 深圳市阿龙电子有限公司 | Driving record system based on WiFi (Wireless Fidelity) communication |
| CN102385380A (en) * | 2011-09-23 | 2012-03-21 | 广西三原高新科技有限公司 | Cluster automobile diagnosis information platform |
| CN103106909B (en) * | 2011-11-09 | 2016-03-30 | 上海博泰悦臻网络技术服务有限公司 | Mobile unit and vehicle video control method |
| CN103106909A (en) * | 2011-11-09 | 2013-05-15 | 上海博泰悦臻网络技术服务有限公司 | Vehicle device and vehicle video control method |
| CN102520714A (en) * | 2011-12-22 | 2012-06-27 | 深圳市赛格导航科技股份有限公司 | Automobile fault diagnosis reminding device and system |
| CN102627071A (en) * | 2012-04-12 | 2012-08-08 | 常熟恒基科技有限公司 | Liquid crystal instrument |
| CN103581223B (en) * | 2012-07-24 | 2017-12-26 | 中国电信股份有限公司 | Processing system, method and the vehicular communication unit of vehicle-mounted business information |
| CN103581223A (en) * | 2012-07-24 | 2014-02-12 | 中国电信股份有限公司 | Processing system and method for vehicle-mounted service information and vehicle-mounted communication device |
| CN103204116A (en) * | 2013-03-25 | 2013-07-17 | 重庆长安汽车股份有限公司 | Vehicular information service system |
| CN103434417B (en) * | 2013-08-08 | 2015-11-18 | 广西电网公司电力科学研究院 | The vehicle-mounted intelligent end device of a kind of electronlmobil |
| CN103434417A (en) * | 2013-08-08 | 2013-12-11 | 广西电网公司电力科学研究院 | Vehicle-mounted intelligent terminal device of electric vehicle |
| CN104506207A (en) * | 2014-11-27 | 2015-04-08 | 华晨汽车集团控股有限公司 | Vehicle-mounted network communication device |
| CN105511453A (en) * | 2016-01-20 | 2016-04-20 | 无锡威孚力达催化净化器有限责任公司 | Service aid for SCR (Selective Catalytic Reduction) post-processing system |
| CN106444478A (en) * | 2016-08-29 | 2017-02-22 | 上海航盛实业有限公司 | Vehicular mainboard structure |
| CN107071323A (en) * | 2017-01-10 | 2017-08-18 | 美高卡兰光电科技（北京）有限公司 | Equipment choosing method, interface box and in-vehicle display system |
| CN106647715A (en) * | 2017-01-16 | 2017-05-10 | 南京奥联新能源有限公司 | Apparatus and method for implementing CAN (controller area network) channel extension of master controller based on SPI (serial peripheral interface) |
| CN109738874A (en) * | 2019-01-14 | 2019-05-10 | 辽宁工业大学 | A kind of trailer-mounted radar test device and its control method |
| CN110012061A (en) * | 2019-02-20 | 2019-07-12 | 杭州天铭科技股份有限公司 | Managing device, vehicle and the server of automobile-used equipment |
| CN111190062A (en) * | 2019-12-30 | 2020-05-22 | 清华大学深圳国际研究生院 | Vehicle electric control system safety analysis method and device based on neural network |
| CN111582732A (en) * | 2020-05-12 | 2020-08-25 | 胡伊婷 | Vehicle condition analysis system based on big data |
| CN113311815A (en) * | 2021-06-09 | 2021-08-27 | 中国第一汽车股份有限公司 | Diagnosis method, apparatus, medium, and electronic device for vehicle-mounted controller |
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