CN107065647A - A kind of chassis fault diagnosis and health detecting system - Google Patents
A kind of chassis fault diagnosis and health detecting system Download PDFInfo
- Publication number
- CN107065647A CN107065647A CN201710091807.4A CN201710091807A CN107065647A CN 107065647 A CN107065647 A CN 107065647A CN 201710091807 A CN201710091807 A CN 201710091807A CN 107065647 A CN107065647 A CN 107065647A
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2604—Test of external equipment
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2612—Data acquisition interface
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2637—Vehicle, car, auto, wheelchair
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The chassis fault diagnosis and health detecting system of the present invention, including chassis CAN, pass through chassis CAN, controller or electronic control unit the formation data cube computation of data logger and each subsystem in chassis, indicating ＆ controlling device and HMI module are controlled in being connected respectively by chassis CAN, by HMI module and upper dress CAN data cube computation, middle control indicating ＆ controlling device is connected with reverse image video camera wideband data, wherein：HMI module, exchange of the control CAN message between different CANs, forms display and the alarm of each subscriber device work condition state in chassis；Middle control indicating ＆ controlling device, there is provided control input interface corresponding with work condition state control for the work condition state data and graphic software platform of the reception each subsystem in chassis；Data logger, records and stores in real time to chassis CAN and upper all data of dress CAN.It can ensure that the present embodiment cooperates suitable for multi-site, carry out the various failures that fault diagnosis link diagnostic subsystem is likely to occur, and carry out rationally fault-tolerant.
Description
Technical field
The present invention relates to a kind of signal processing system, more particularly to a kind of vehicle chassis various working signal processing system.
Background technology
Although the increase of electric-control system improves the security, economy and comfortableness of automobile in the prior art, therewith
Increased complicated circuit also reduces the reliability of vehicle, and complicated wire harness is laid and associate the difficulty that controls to add maintenance.
While the operating mode ECU (Electronic of each chassis subsystem (power, transmission, braking, steering, suspension, manipulation, electric etc.)
Control Unit, electronic control unit) between information sharing it is less efficient, it is impossible to effective data processing is formed to be continued
Comprehensive diagnos and detection under operating mode.Check engine and each system conditions to each portion of vehicle even if being both unfavorable for driver
The status monitoring of part and maintenance, are also unfavorable for after failure, and technical staff is divided the parameters in each system
Analysis.
The content of the invention
It is an object of the invention to provide a kind of chassis fault diagnosis and health detecting system, for forming effective man-machine friendship
The complexity of mutual structure, reduction status monitoring and maintenance.
The chassis fault diagnosis and health detecting system of the present invention, including chassis CAN, it is characterised in that pass through bottom
Disk CAN, controller or electronic control unit the formation data cube computation of data logger and each subsystem in chassis, passes through chassis
Control indicating ＆ controlling device and HMI module during CAN is connected respectively, pass through HMI module and upper dress CAN data cube computation, the aobvious control of middle control
Device is connected with reverse image video camera wideband data, wherein：
HMI module, for controlling exchange of the CAN message between different CANs, forms each subscriber device operating mode in chassis
The display of state and alarm；
Middle control indicating ＆ controlling device, for receive each subsystem in chassis work condition state data and graphic software platform there is provided with operating mode
State controls corresponding control input interface；
Data logger, for chassis CAN and upper all data of dress CAN to be recorded and stored in real time.
Also include integrated controller, general purpose controller, suspension controller, reversing radar controller, torque-converters ECU, start
Machine ECU, wherein：
Integrated controller, for the data of the controller of chassis subsystem or ECU feedbacks to be converted into subsystem or equipment
Work condition state data, form CAN message and transmitted in real time to HMI module and middle control indicating ＆ controlling device；Receive the CAN of HMI module forwarding
The input instruction of message and middle control indicating ＆ controlling device, according to built-in chassis control model, forms the control of corresponding subsystem controller or ECU
Data processed, are converted to CAN message transmission；
General purpose controller, the state that the original operating mode that each chassis subsystem controller or ECU are sent is received for gathering becomes
Change signal, and form CAN message and be sent to integrated controller；The CAN message sent by integrated controller is formed to corresponding control
Device or ECU control instruction carry out power output control, assist integrated controller to complete chassis and integrate operating conditions；
Suspension controller, for gather the stroke of suspension, magnetic valve break-make state-change, form CAN message and pass
It is defeated, receive CAN message formation operating conditions signal；
Suspension controller, is further used for completion suspension and heightens the signal acquisition of operating mode, runs and heighten control program, control
Magnetic valve and the CAN data communications etc. with middle control indicating ＆ controlling device and middle control indicating ＆ controlling device are heightened, suspension height-adjusting system equipment is realized
Status monitoring；
Reversing radar controller, the feedback signal for receiving different azimuth ultrasonic probe forms CAN message transmission；
Torque-converters ECU, for gather the power output of torque-converters, temperature, clutch state, rotating speed variable signal formed
CAN message is transmitted, and receives CAN message formation operating conditions signal；
Engine ECU, for gather the power output of engine, temperature, valve state, rotating speed variable signal formed
CAN message is transmitted, and receives CAN message formation operating conditions signal.
The device object and type of the work condition state data include：
Suspension heightens magnetic valve and sensor；
Transfer case controls magnetic valve and sensor；
Gearbox power taking controls magnetic valve and sensor；
Wheel lock, axle latching solenoid valve and sensor；
Torque-converters, hydraulic pressure heat sensor and control object；
Driver's cabin temperature adjustment sensor and control object；
Driver's cabin three proofings sensor and control object；
Light and its controlling switch.
The chassis CAN includes chassis frame CAN and chassis power CAN, chassis frame CAN point
Not with integrated controller, general purpose controller, suspension controller and reversing radar controller data cube computation.Chassis power CAN
Respectively with torque-converters ECU and Engine ECU data cube computation；
Data logger respectively with chassis frame CAN and chassis power CAN, and CAN is filled on first, second
Bus data is connected.It is middle control indicating ＆ controlling device respectively with chassis frame CAN and chassis power CAN data cube computation, HMI module
CAN data are filled respectively with chassis frame CAN and chassis power CAN data cube computation, and on first, second to connect
Connect.
The chassis frame CAN and chassis power CAN set CAN to diagnose interface respectively, for connecting
Debugging diagnostic apparatus.
The CAN uses the J1939 agreements of automobile chassis CAN professional standard.
The chassis fault diagnosis and health detecting system of the present invention can be defeated to Switch according to subsystem controller and ECU
The I/O mouths of output and simulation class 2 species of input quantity carry out condition diagnosing, and the fault mode of Switch output quantity is short-circuit and disconnected
Road is diagnosed, and the fault mode of simulation class input quantity is to outrange diagnosis.Controller sends current failure code when failure occurs, and
It has been shown that, clicked on behind the region with written form in HMI module information display section, shown in the secondary page of middle control indicating ＆ controlling device ejection
Whole current failures.
In the present embodiment, to all power output control loops loops such as (including valve, lamp, sensor) powering using possessing
The output channel control of trouble diagnosibility., open circuit fault short to loop carries out automatic detection.Analog quantity to system acquisition is entered
Row outranges detection and protected.It can ensure that the present embodiment cooperates suitable for multi-site, carry out fault diagnosis link diagnosis
The various failures that subsystem is likely to occur, and carry out rationally fault-tolerant.
Brief description of the drawings
Fig. 1 is the configuration diagram of chassis fault diagnosis of the present invention and health detecting system one embodiment.
Fig. 2 is the configuration diagram of another embodiment of chassis fault diagnosis of the present invention and health detecting system.
Embodiment
The embodiment to the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, passing through chassis CAN, the controller or Electronic Control of data logger and each subsystem in chassis
Unit formation data cube computation, controls indicating ＆ controlling device and HMI (Man Machine Interface) module, leads in being connected respectively by chassis CAN
HMI module and upper dress CAN data cube computation are crossed, middle control indicating ＆ controlling device is connected with reverse image video camera wideband data, wherein：
HMI module, for controlling exchange of the CAN message between different CANs, forms each subscriber device operating mode in chassis
The display of state and alarm.
HMI module is further used for as man-machine interactive platform, and module is deployed in bridge instrumentation platform using graphical interfaces.
Middle control indicating ＆ controlling device, for receive each subsystem in chassis work condition state data and graphic software platform there is provided with operating mode
State controls corresponding control input interface.Middle control indicating ＆ controlling device sets the middle control operating desk input control comprising keyboard or button to refer to
Order.
Data logger, for chassis CAN and upper all data of dress CAN to be recorded and stored in real time.
Data logger can be stored not less than all data in one-year age.Using supporting upper computer software, lead to
Cross USB interface and can check, derived record file.When memory space uses certain percentage, remind data export, otherwise compared with
The data of early time can be capped.
The present embodiment is further described in detail, each controller in chassis includes but is not limited to integrated controller, general control
Controller and the electronic control units such as device processed, suspension controller, reversing radar controller, torque-converters ECU, Engine ECU, its
In：
Integrated controller, for the data of the controller of chassis subsystem or ECU feedbacks to be converted into subsystem or equipment
Work condition state data, form CAN message and transmitted in real time to HMI module and middle control indicating ＆ controlling device；Receive the CAN of HMI module forwarding
The input instruction of message and middle control indicating ＆ controlling device, according to built-in chassis control model, forms the control of corresponding subsystem controller or ECU
Data processed, are converted to CAN message transmission.
Working condition, fault message or warning message of executing agency etc. in work condition state packet enclosed tool system.
Middle control operating desk and integrated controller formation data cube computation.
General purpose controller, the state that the original operating mode that each chassis subsystem controller or ECU are sent is received for gathering becomes
Change signal, and form CAN message and be sent to integrated controller；The CAN message sent by integrated controller is formed to corresponding control
Device or ECU control instruction carry out power output control, assist integrated controller to complete chassis and integrate operating conditions.
Suspension controller, for gather the stroke of suspension, magnetic valve break-make state-change, form CAN message and pass
It is defeated, receive CAN message formation operating conditions signal.
Suspension controller, is further used for completion suspension and heightens the signal acquisition of operating mode, runs and heighten control program, control
Magnetic valve and the CAN data communications etc. with middle control indicating ＆ controlling device and middle control indicating ＆ controlling device are heightened, suspension height-adjusting system equipment is realized
Status monitoring.
Reversing radar controller, the feedback signal for receiving different azimuth ultrasonic probe forms CAN message transmission.
Tailstock portion pops one's head in equipped with ultrasonic radar, 1~5m of effective scope of detection.Reversing radar controller has ultrasonic probe drive
Dynamic circuit, amplifying circuit and the temperature measuring circuit for correction, CAN is dealt into after the data processing that ultrasonic probe is gathered
On.
Torque-converters ECU, for gather the power output of torque-converters, temperature, clutch state, rotating speed variable signal formed
CAN message is transmitted, and receives CAN message formation operating conditions signal.
Engine ECU, for gather the power output of engine, temperature, valve state, rotating speed variable signal formed
CAN message is transmitted, and receives CAN message formation operating conditions signal.
Operating mode (state) data include but is not limited to the device object and type of low bottom-disc subsystem：
1st, suspension heightens magnetic valve and sensor；
2nd, transfer case control magnetic valve and sensor；
3rd, gearbox power taking control magnetic valve and sensor；
4th, wheel lock, axle latching solenoid valve and sensor；
5th, torque-converters, hydraulic pressure heat sensor and (respective execution mechanisms) control object；
6th, driver's cabin temperature adjustment sensor and (respective execution mechanisms) control object；
7th, driver's cabin three proofings sensor and (respective execution mechanisms) control object；
8th, light and its controlling switch；
The chassis fault diagnosis and health detecting system of the present invention is used as whole chassis CAN using integrated controller
Control core, in addition to state data acquisition and output relevant device control data are carried out by I/O interfaces, it is often more important that fortune
The control program of the whole chassis electric system of row, by gathering the control instruction of various switches, and the number with general purpose controller
According to communication, the normal work of each electric equipment of Comprehensive Control vehicle chassis electric CAN control system realizes chassis electric
Other the every control functions of CAN control system in addition to suspension heightens control.Simultaneously by vehicle chassis electric CAN
On off state, equipment working state, failure or warning message of control system etc. issue HMI and the aobvious control of middle control by CAN message
Device, is shown and alarm.
The chassis fault diagnosis and health detecting system of the present embodiment, can be according to subsystem controller and ECU to switch
The I/O mouths of class output quantity and simulation class 2 species of input quantity carry out condition diagnosing, and the fault mode of Switch output quantity is short circuit
With open circuit diagnosis, the fault mode of simulation class input quantity is to outrange diagnosis.Controller sends current failure generation when failure occurs
Code, and shown in HMI module information display section with written form, click on behind the region, the secondary page of middle control indicating ＆ controlling device ejection
The middle whole current failures of display.
In the present embodiment, to all power output control loops loops such as (including valve, lamp, sensor) powering using possessing
The output channel control of trouble diagnosibility., open circuit fault short to loop carries out automatic detection.Analog quantity to system acquisition is entered
Row outranges detection and protected.It can ensure that the present embodiment cooperates suitable for multi-site, carry out fault diagnosis link diagnosis
The various failures that subsystem is likely to occur, and carry out rationally fault-tolerant.
As shown in Fig. 2 in the present embodiment, chassis CAN includes chassis frame CAN and chassis power CAN is total
Line, chassis frame CAN respectively with integrated controller, general purpose controller, suspension controller and reversing radar controller data
Connection.Chassis power CAN respectively with torque-converters ECU and Engine ECU data cube computation.
Data logger respectively with chassis frame CAN and chassis power CAN, and CAN is filled on first, second
Bus data is connected.It is middle control indicating ＆ controlling device respectively with chassis frame CAN and chassis power CAN data cube computation, HMI module
CAN data are filled respectively with chassis frame CAN and chassis power CAN data cube computation, and on first, second to connect
Connect.
Chassis frame CAN and chassis power CAN set CAN to diagnose interface respectively, for connecting debugging
Diagnostic equipment.
The chassis fault diagnosis and health detecting system of the present embodiment are using automobile chassis CAN professional standard
J1939 agreements.
The chassis fault diagnosis and health detecting system of the present embodiment are using the J1939 agreements feature of CAN for connecting
Its working condition can be tested by way of monitoring whether offline or normal work by connecing the stand-alone device of bus.
The easy feature connected up using CAN, sets CAN to diagnose interface in driver's cabin, is that system is profound
Malfunction elimination provides favourable conditions, can monitor bus running status, including total inorganic nitrogen and institute in real time by CAN interface card
There is correctness of CAN message data etc., be conducive to that the failure in system operation is diagnosed and investigated；
The offline warning function of system level can be formed, each controller bus communication state can be understood in real time, was acted
Detect in real time in journey and judge system condition, stop current action during failure and carry out alarm；
Storage and abstraction function are provided to bus data on HMI module, can carry out afterwards analyzing failure.
Can realize relevant parameter when grasp is broken down, and record failure when occurring and failure occur after in intervals
Relevant parameter, complete self-diagnostic function, can reliably diagnose and clearly record various failure situations, be easy to comprehensive analysis therefore
Hinder reason.
Integrated controller can be quickly found the fault element inside ECU, reduce maintenance blindness and cost,
Self-diagnosable system can specifically be positioned to ECU internal fault.
Using in the formation of the modern data processing such as fuzzy logic, neutral net, self learning system and expert system technology
Bottom set disk Controlling model integrated controller is capable of the possibility and right that notice system breaks down under the support of a large amount of technical data
The necessity that system is repaired, allows driver to take the necessary precautionary measures.
HMI module and middle control indicating ＆ controlling device, which have, may be caused failure situation, failure by text, image or synchronous language
Consequence and the information such as the measure that should take clearly tell the function of driver.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (6)
1. a kind of chassis fault diagnosis and health detecting system, including chassis CAN, it is characterised in that total by chassis CAN
Line, controller or electronic control unit the formation data cube computation of data logger and each subsystem in chassis, passes through chassis CAN
Control indicating ＆ controlling device and HMI module in connecting respectively, by HMI module and upper dress CAN data cube computation, middle control indicating ＆ controlling device and reversing
Image photographic camera wideband data is connected, wherein：
HMI module, for controlling exchange of the CAN message between different CANs, forms each subscriber device work condition state in chassis
Display and alarm；
Middle control indicating ＆ controlling device, for receive each subsystem in chassis work condition state data and graphic software platform there is provided with work condition state
Control corresponding control input interface；
Data logger, for chassis CAN and upper all data of dress CAN to be recorded and stored in real time.
2. chassis fault diagnosis as claimed in claim 1 and health detecting system, it is characterised in that also including Comprehensive Control
Device, general purpose controller, suspension controller, reversing radar controller, torque-converters ECU, Engine ECU, wherein：
Integrated controller, the work for the data of the controller of chassis subsystem or ECU feedbacks to be converted to subsystem or equipment
Condition status data, forms CAN message and is transmitted in real time to HMI module and middle control indicating ＆ controlling device；Receive the CAN message of HMI module forwarding
With the input instruction of middle control indicating ＆ controlling device, according to built-in chassis control model, the control number of corresponding subsystem controller or ECU is formed
According to, be converted to CAN message transmission；
General purpose controller, the state change letter for the original operating mode that each chassis subsystem controller or ECU are sent is received for gathering
Number, and form CAN message and be sent to integrated controller；The CAN message sent by integrated controller formed to corresponding controllers or
ECU control instruction carries out power output control, assists integrated controller to complete chassis and integrates operating conditions；
Suspension controller, for gather the stroke of suspension, magnetic valve break-make state-change, form CAN message transmission, connect
Receive CAN message formation operating conditions signal；
Suspension controller, is further used for completion suspension and heightens the signal acquisition of operating mode, runs and heighten control program, control to heighten
Magnetic valve and the CAN data communications etc. with middle control indicating ＆ controlling device and middle control indicating ＆ controlling device, realize the state of suspension height-adjusting system equipment
Monitoring；
Reversing radar controller, the feedback signal for receiving different azimuth ultrasonic probe forms CAN message transmission；
Torque-converters ECU, for gather the power output of torque-converters, temperature, clutch state, rotating speed variable signal formation CAN reports
Text transmission, receives CAN message formation operating conditions signal；
Engine ECU, for gather the power output of engine, temperature, valve state, rotating speed variable signal formation CAN reports
Text transmission, receives CAN message formation operating conditions signal.
3. chassis fault diagnosis as claimed in claim 2 and health detecting system, it is characterised in that the work condition state data
Device object and type include：
Suspension heightens magnetic valve and sensor；
Transfer case controls magnetic valve and sensor；
Gearbox power taking controls magnetic valve and sensor；
Wheel lock, axle latching solenoid valve and sensor；
Torque-converters, hydraulic pressure heat sensor and control object；
Driver's cabin temperature adjustment sensor and control object；
Driver's cabin three proofings sensor and control object；
Light and its controlling switch.
4. chassis fault diagnosis as claimed in claim 2 and health detecting system, it is characterised in that the chassis CAN
Including chassis frame CAN and chassis power CAN, chassis frame CAN respectively with integrated controller, general controls
Device, suspension controller and reversing radar controller data cube computation.Chassis power CAN respectively with torque-converters ECU and engine
ECU data is connected；
Data logger respectively with chassis frame CAN and chassis power CAN, and CAN is filled on first, second
Data cube computation.It is middle control indicating ＆ controlling device respectively with chassis frame CAN and chassis power CAN data cube computation, HMI module difference
With chassis frame CAN and chassis power CAN data cube computation, and dress CAN data cube computation on first, second.
5. chassis fault diagnosis as claimed in claim 4 and health detecting system, it is characterised in that the chassis frame CAN
Bus and chassis power CAN set CAN to diagnose interface respectively, for connecting debugging diagnostic apparatus.
6. chassis fault diagnosis and health detecting system as described in claim 1 to 5, it is characterised in that the CAN is adopted
With the J1939 agreements of automobile chassis CAN professional standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710091807.4A CN107065647A (en) | 2017-02-21 | 2017-02-21 | A kind of chassis fault diagnosis and health detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710091807.4A CN107065647A (en) | 2017-02-21 | 2017-02-21 | A kind of chassis fault diagnosis and health detecting system |
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| Publication Number | Publication Date |
|---|---|
| CN107065647A true CN107065647A (en) | 2017-08-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710091807.4A Pending CN107065647A (en) | 2017-02-21 | 2017-02-21 | A kind of chassis fault diagnosis and health detecting system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107566209A (en) * | 2017-08-21 | 2018-01-09 | 北京航天发射技术研究所 | A kind of management system and management method of special vehicle equipment state information |
| CN108819882A (en) * | 2018-08-03 | 2018-11-16 | 中国汽车工程研究院股份有限公司 | A kind of new-energy automobile CAN bus signal resolution method |
| CN113624507A (en) * | 2021-06-25 | 2021-11-09 | 北京航天发射技术研究所 | Vehicle chassis detecting system |
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| CN201429505Y (en) * | 2009-07-09 | 2010-03-24 | 国营险峰机器厂 | Information detection device for heavy vehicle chassis |
| CN101776903A (en) * | 2009-12-15 | 2010-07-14 | 西南交通大学 | Automobile chassis integrated control-oriented vehicle-mounted CAN-BUS testing and evaluation system |
| CN102681526A (en) * | 2011-03-16 | 2012-09-19 | 北汽福田汽车股份有限公司 | CAN (controller area network) bus system and fault diagnosis method thereof |
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| CN201281659Y (en) * | 2008-10-08 | 2009-07-29 | 湖北三江航天万山特种车辆有限公司 | System for recognizing and diagnosing automobile chassis fault |
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| CN101776903A (en) * | 2009-12-15 | 2010-07-14 | 西南交通大学 | Automobile chassis integrated control-oriented vehicle-mounted CAN-BUS testing and evaluation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107566209A (en) * | 2017-08-21 | 2018-01-09 | 北京航天发射技术研究所 | A kind of management system and management method of special vehicle equipment state information |
| CN108819882A (en) * | 2018-08-03 | 2018-11-16 | 中国汽车工程研究院股份有限公司 | A kind of new-energy automobile CAN bus signal resolution method |
| CN108819882B (en) * | 2018-08-03 | 2023-07-07 | 中国汽车工程研究院股份有限公司 | New energy automobile CAN bus signal analysis method |
| CN113624507A (en) * | 2021-06-25 | 2021-11-09 | 北京航天发射技术研究所 | Vehicle chassis detecting system |
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