CN108528266A - The method and apparatus of troubleshooting - Google Patents
The method and apparatus of troubleshooting Download PDFInfo
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- CN108528266A CN108528266A CN201710117115.2A CN201710117115A CN108528266A CN 108528266 A CN108528266 A CN 108528266A CN 201710117115 A CN201710117115 A CN 201710117115A CN 108528266 A CN108528266 A CN 108528266A
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- vcu
- spare controller
- mcu
- spare
- controller
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
This application provides a kind of method and apparatus of troubleshooting, this method includes：Spare controller determines the VCU failures of full-vehicle control unit, and the spare controller is the controller communicated to connect with the VCU, and the VCU backup softwares of the VCU are stored in the spare controller；The spare controller starts the VCU backup softwares.The embodiment of the present application is when VCU fails, start VCU backup softwares by the spare controller communicated to connect with VCU, substitute management of the VCU to drive system of electric automobile, control function, it avoids in the prior art when other unit communications failure in VCU and drive system of electric automobile, VCU can not be managed drive system of electric automobile, control, improve the normal operation probability of drive system of electric automobile, the security performance of drive system of electric automobile is improved, and then ensures the safety of vehicle and driver and passenger.
Description
Technical field
This application involves the communications fields, and more particularly, to the method and apparatus of troubleshooting.
Background technology
Drive system of electric automobile is mainly by full-vehicle control unit (Vehicle Control Unit, VCU) and 4 motors
Control unit (Motor Control Unit, MCU) is constituted.VCU plays control axis in entire drive system of electric automobile
Effect, commonly used in management, coordinate drive system of electric automobile in each unit so that vehicle reaches best traveling shape
State, it may be said that the normal operation of VCU is the basis of drive system of electric automobile normal operation.After VCU fails, electric vehicle
Drive system needs to start security processing in time, to ensure the normal work of drive system of electric automobile, ensure vehicle and
The safety of driver and passenger.
In current VCU troubleshooting schemes, after ensureing VCU failures, the driving safety of drive system of electric automobile,
It is provided with 2 CPU in VCU, when the primary CPU of VCU failures, the spare CPU management of VCU can be started, coordinate electronic vapour
Each unit in motor vehicle drive system ensures the peace of vehicle and driver and passenger to ensure the normal work of drive system of electric automobile
Entirely.
However, in the scheme of above-mentioned VCU troubleshootings, only when VCU fails, it is ensured that drive system of electric automobile
Driving safety, but when other unit communications failure in VCU and drive system of electric automobile, at current VCU failures
Dangerous risk of the reason scheme in terms of the normal operation for ensureing drive system of electric automobile is still higher, and then can not also ensure
The safety of vehicle and driver and passenger.
Invention content
The application provides a kind of method and apparatus of troubleshooting, can be when in VCU and drive system of electric automobile
When other unit communications fail, the dangerous risk in terms of the normal operation for ensureing drive system of electric automobile is reduced, is ensured
The normal operation of drive system of electric automobile, and then ensure the safety of vehicle and driver and passenger.
In a first aspect, a kind of method of troubleshooting is provided, including：Spare controller determines that full-vehicle control unit VCU loses
Effect, the spare controller is the controller communicated to connect with the VCU, is stored with the VCU's in the spare controller
VCU backup softwares；The spare controller starts the VCU backup softwares.
The embodiment of the present application starts VCU backup softwares when VCU fails, by the spare controller communicated to connect with VCU,
Management of the VCU to drive system of electric automobile, control function are substituted, is avoided in the prior art when VCU and electric vehicle drive
When other unit communications in system fail, VCU can not be managed drive system of electric automobile, control, and improve electronic
The normal operation probability of automobile driving system improves the security performance of drive system of electric automobile, and then ensures vehicle and drive
Multiply the safety of personnel.
With reference to first aspect, in certain realization methods of first aspect, the spare controller determines full-vehicle control list
First VCU fails：The spare controller carries out Communication diagnostic to the VCU, determines the VCU failures.
With reference to first aspect, in certain realization methods of first aspect, it is standby to start the VCU in the spare controller
Part software, with before controlling Full Vehicle System, the method further includes：The spare controller is standby at least one first
Communication diagnostic is carried out with the first spare controller of each of controller, is determined at least one first spare controller
Each first spare controller failure, the priority that each first spare controller starts the VCU backup softwares are higher than
The spare controller starts the priority of the VCU backup softwares.
By being deposited in multiple spare controllers (may include spare controller and at least one first spare controller)
VCU backup softwares are stored up, and determine that above-mentioned multiple spare controllers start the sequence of VCU backup softwares by way of priority,
When so that the first spare controller also fails, the VCU backup softwares stored in spare controller can be started, to vehicle system
System is controlled, and the dangerous risk in terms of the normal operation for ensureing drive system of electric automobile is reduced, and ensures electric vehicle
The normal operation of drive system, and then ensure the safety of vehicle and driver and passenger.
With reference to first aspect, in certain realization methods of first aspect, it is standby to start the VCU in the spare controller
Part software, with before controlling Full Vehicle System, the method further includes：
The spare controller determines that the spare controller meets take over condition, and the take over condition is described for judging
Whether spare controller can start the VCU backup softwares.
Before spare controller starts VCU backup softwares, spare controller determines that the startup VCU that itself whether has the ability is standby
Part soft software, to improve the reliability that spare controller starts VCU backup softwares.
With reference to first aspect, in certain realization methods of first aspect, the spare controller is motor control unit
MCU, the take over condition include that the control module in the MCU does not fail, and the method further includes：Described in the MCU is determined
The motor failure of MCU；The spare controller determines that the spare controller meets take over condition, including：The MCU determines institute
The control module stated in MCU does not fail.
With reference to first aspect, in certain realization methods of first aspect, the spare controller is MCU.
By starting VCU backup softwares in the higher MCU of reliability in drive system of electric automobile, further increase standby
Start the reliability of VCU backup softwares with controller.
Second aspect provides a kind of device of troubleshooting, and the device of the troubleshooting includes for executing first party
The unit of method in face.
The third aspect, provides a kind of device of troubleshooting, and the device of the troubleshooting includes：Memory, processor,
Input/output interface and communication interface.Wherein, exist between memory, processor, input/output interface and communication interface logical
Letter connection, for storing instruction, which is used to execute the instruction of memory storage to the memory, when described instruction is held
When row, the method that the processor executes first aspect by the communication interface, and control input/output interface and receive input
Data and information, the output data such as operating result.
Fourth aspect, provides a kind of computer-readable medium, and the computer-readable medium storage is held for terminal device
Capable program code, said program code include the instruction for executing the method in first aspect.
5th aspect provides a kind of computer program product including instruction, when run on a computer so that meter
Calculation machine executes the method described in above-mentioned first aspect.
Description of the drawings
Fig. 1 is the schematic block diagram of the drive system of electric automobile of the embodiment of the present application.
Fig. 2 is the schematic flow chart of the method for the troubleshooting of the embodiment of the present application.
Fig. 3 is the schematic flow chart of the method for the troubleshooting of another embodiment of the application.
Fig. 4 is the schematic block diagram of the device of the troubleshooting of the embodiment of the present application.
Fig. 5 is the schematic block diagram of the device of the troubleshooting of another embodiment of the application.
Specific implementation mode
Below in conjunction with attached drawing, the technical solution in the application is described.
In order to make it easy to understand, first simply introducing the schematic of the drive system of electric automobile of the embodiment of the present application in conjunction with Fig. 1
Block diagram.Drive system of electric automobile shown in FIG. 1 includes sensor, actuator, the near front wheel MCU, left rear wheel MCU, off-front wheel
MCU, off hind wheel MCU, VCU and active steering controller.Bus 1 and bus can be passed through between each unit of above-mentioned automotive system
2 connections, the connection method of bus redundancy shown in FIG. 1 so that the drive system of electric automobile each unit connected by bus 1 is logical
When letter failure, it can be communicated by bus 2, ensure the normal operation of drive system of electric automobile.
The work of each unit in drive system of electric automobile is simply introduced below in conjunction with drive system of electric automobile shown in FIG. 1
With.
Sensor：For obtaining driver's driving intention, travel condition of vehicle, road information, external environment information, power
Battery information etc., and the above- mentioned information of acquisition is sent to the control units such as VCU, MCU by bus.
VCU：It is the controller center of drive system of electric automobile, passes through controller local area network (Controller Area
Network, CAN) bus communication mode, information exchange is carried out with units such as sensor, active steering controller, MCU, realizes letter
Number acquisition, control strategy decision and drive signal output.Specifically for acquire and handle from sensor signal (such as
The opening informations such as gas pedal, brake pedal)；Control the logic control of itself power-on and power-off, the logic control of MCU power-on and power-off；It turns round
Square calculates, for example, operator demand's torque arithmetic, mechanical braking is distributed with electric braking torque, and antero posterior axis undertakes driving/braking torsion
Square, the distribution of turbin generator torque；Energy-optimised management, for example, the charge control of electric vehicle, the power based on motor operation efficiency
Distribution, Brake energy recovery control etc.；Study on Vehicle Dynamic Control, for example, vehicle-state identification, sideway control, anti-sliding control, prevent
Locking control, the control of anti-Roll control, active steering etc.；Monitoring and diagnosis function, for example, bus node transmitting-receiving monitoring, sensor
Failure diagnosis, torque monitoring, cpu monitor diagnosis, fault management, safety measure (for example, vehicle deceleration or speed limit processing).
MCU：It is the distinctive core power electronic unit of electric vehicle.Vehicle by receiving VCU travels control instruction, control
Motor output vehicle traveling control instruction processed specified torque and rotating speed, driving vehicle traveling are realized the straight of power battery
Galvanic electricity can be converted to required High Level AC Voltage and driving motor output mechanical energy；Control command for receiving VCU transmissions,
For example, to the control instruction of driving motor；MCU monitoring and diagnosis, for example, being diagnosed to Diagnosing Faults of Electrical, MCU drive signals, being right
The security monitoring of CPU in MCU.
Active steering controller：The corner of adjustment direction disk for receiving VCU transmissions is the control signaling of target rotation angle,
The target rotation angle steering wheel angle actually measured with sensor is compared, and control command is sent to steer motor, it will
Actually measured turning angle of steering wheel is adjusted to target rotation angle, realizes active steering control.
Actuator：The control command that VCU, MCU are sent is executed, for example, control relay etc..
It should be understood that the drive system of electric vehicle shown in FIG. 1 illustrates only and the relevant unit of the application, the application reality
Example is applied to be not construed as limiting the unit for including specifically in the drive system of electric vehicle.
It should also be understood that the embodiment of the present application is only in conjunction between each unit in the drive system of electric vehicle shown in FIG. 1
Bus connection relation illustrates, but the bus in the drive system of the electric vehicle of the embodiment of the present invention between each unit connects
The relationship of connecing is not limited in drive system shown in FIG. 1 bus connection relation between each unit.For example, the embodiment of the present application
Electric vehicle drive system in can only be connected by bus 1 between each unit.
Although however, by the redundancy link of bus in drive system of electric automobile shown in FIG. 1, for electric vehicle driving system
The communication between each unit in system provides duplicate protection, but when VCU and other units in drive system of electric motor vehicle it
Between communication failure when (2 simultaneous faults of bus 1 and bus between other units in VCU and drive system of electric motor vehicle), VCU is still
It can not so be communicated with the unit of other in drive system of electric motor vehicle.It is combined based on drive system of electric automobile shown in FIG. 1
VCU fault handling methods in the prior art, the dangerous risk in terms of the normal operation for ensureing drive system of electric automobile
Still higher.
The schematic flow chart of the method for the troubleshooting of the embodiment of the present application is specifically described below in conjunction with Fig. 2.Shown in Fig. 2
Method include：
210, spare controller determines that the VCU failures of full-vehicle control unit, the spare controller pass through bus and the VCU
It connects, the VCU backup softwares of the VCU is stored in the spare controller.
Specifically, above-mentioned VCU failure can be that VCU controllers itself fail, such as VCU caused by the CPU damages in VCU
Failure；It can also be communication failures between other units in VCU and drive system of electric automobile, i.e. VCU can not be with electronic vapour
Other units in motor vehicle drive system carry out information exchange.
It is stored with the VCU backup softwares of VCU in above-mentioned spare controller, it is standby that the VCU backed up in spare controller can be referred to
The portion of VCU may be implemented in the VCU backup softwares that part software may be implemented to back up in the repertoire or spare controller of VCU
Divide function.
Spare controller described above is connect by bus (for example, CAN) with the VCU, and can refer to spare controller is
With the mutually independent controllers of VCU.
It should be understood that above-mentioned spare controller can be the unit with control function in electric vehicle, for example, it may be
MCU and/or active steering controller etc..
Optionally, above-mentioned spare controller can also be the target spare controller selected from multiple spare controllers,
That is, each spare controller in above-mentioned multiple spare controllers has backed up VCU backup softwares, after VCU fails
It all has the ability the function of take over VCU.For example, above-mentioned spare controller (target spare controller) can be with electronic vapour shown in FIG. 1
Any one controller in the near front wheel MCU, off-front wheel MCU, left rear wheel MCU and the near front wheel MCU shown in motor vehicle drive system.
220, the spare controller starts the VCU backup softwares, to control Full Vehicle System.
Specifically, spare controller starts VCU backup softwares, executes the function of VCU, substitutes the VCU of failure to vehicle system
Each unit in system (that is, drive system of electric automobile) is managed and controls.
Optionally, step 210 includes：The spare controller carries out Communication diagnostic to the VCU, determines that the VCU loses
Effect.
Specifically, spare controller can carry out Communication diagnostic to VCU, if spare controller can not receive VCU transmissions
Signaling or spare controller fail to detect spare controller into drive system of electric automobile within the preset period
Other units send signaling, spare controller can determine VCU fail；Or spare controller receives the disconnected of VCU transmissions
Instruction is opened, open command is used to indicate VCU and is disconnected with electric vehicle drive system.
Optionally, as one embodiment, before step 220, the method further includes：The spare controller is to extremely
The first spare controller of each of few first spare controller carries out Communication diagnostic, determines that described at least one first is standby
It is failed with the first spare controller of each of controller, each first spare controller starts the VCU backup softwares
Priority start the priority of the VCU backup softwares higher than the spare controller.
For example, at least one first spare controller may include left rear wheel MCU and off hind wheel MCU, and left rear wheel MCU fortune
The priority of row VCU backup softwares runs the priority of VCU backup softwares higher than off hind wheel MCU, if then VCU fails, after right
It can be left rear wheel MCU failures that the spare softwares of wheel MCU operation VCU, which need the take over condition met,.
Optionally, as one embodiment, before step 220, the method further includes：The spare controller determines
The spare controller meets take over condition, and the take over condition is for judging it is described whether the spare controller can start
VCU backup softwares.
Specifically, spare controller can first confirm whether itself meets take over item before starting VCU backup softwares
Part, if spare controller meets take over condition, spare controller can start VCU backup softwares；If spare controller is unsatisfactory for
Take over condition, spare controller do not start VCU backup softwares.
Optionally, above-mentioned take over condition can be that spare controller carries out self-test, determine the control of spare controller itself
Function can work normally.
It should be noted that above-mentioned take over condition can also include a plurality of, when spare controller meets a plurality of take over condition
When, spare controller can start VCU backup softwares.For example, above-mentioned take over condition includes the control that spare controller determines itself
When function processed can work normally and left rear wheel MCU fails.When spare controller meets above two take over condition simultaneously
When, spare controller can start VCU backup softwares.
Optionally, the spare controller is motor control unit MCU, and the take over condition includes the control in the MCU
Molding block does not fail, and the method further includes：The MCU determines the motor failure of the MCU；The spare controller determines institute
It states spare controller and meets take over condition, including：The MCU determines that the control module in the MCU does not fail.
Specifically, it when MCU carries out self-test, determines that MCU fails, but is only the corresponding motor failures of MCU, the control of MCU
Molding block can work normally, then the MCU can start the spare softwares of VCU, substitute VCU to its in drive system of electric automobile
His unit is managed and controls.
Optionally, as one embodiment, the spare controller starts the VCU backup softwares, including following operation
At least one of：The spare controller determines that mono-/bis-axis drives according to motor operation efficiency；The spare controller is true
Determine the torque of each motor in drive system of electric automobile；The spare controller is according to the work of current drive system of electric automobile
The kinetic parameter of electric vehicle is determined as state.
Specifically, above-mentioned spare controller determines electric vehicle according to the working condition of current drive system of electric automobile
Kinetic parameter can refer to working condition of the spare controller according to each unit in current drive system of electric automobile, determine electricity
The travel speed of electrical automobile.For example, if spare controller detects any one motor failure in drive system of electric automobile or appoints
One MCU failure, then spare controller determines that electric vehicle can not reduce current travel speed；If spare controller detects
There are motor failure or the homonymy MCU failures of homonymy, then spare controller determines that electric vehicle can first slow down and stops afterwards；If spare
Controller detects any three motor failures or three MCU failures in drive system of electric automobile, then spare controller determines
Electric vehicle can first slow down to stop afterwards；If spare controller detection has positioned at two motor failures of diagonal positions or position
It failing in two MCU of diagonal positions, then spare controller determines that electric vehicle can travel in preset travel speed,
I.e. speed limit travels.
It is described more fully at the failure of the embodiment of the present application below in conjunction with the drive system of electric vehicle shown in FIG. 1
The method of reason.It should be understood that Fig. 3 is used for the purpose of helping skilled in the art to understand the embodiment of the present application, and have to be by this Shen
Please embodiment be limited to illustrated by concrete scene.Those skilled in the art can be according to Fig.3, example, it is clear that can carry out
The variation or modification of various equivalences, such variation or modification are also fallen into the range of the embodiment of the present application.
Fig. 3 is the schematic flow chart of the method for the troubleshooting of another embodiment of the application.Method shown in Fig. 3 can be with
The near front wheel MCU shown in Fig. 1 is executed.Method shown in Fig. 3 includes：
310, the near front wheel MCU, left rear wheel MCU, off-front wheel MCU and off hind wheel MCU carry out Communication diagnostic to VCU simultaneously, really
Determine VCU failures.
Specifically, VCU backup softwares are all stored in the near front wheel MCU, left rear wheel MCU, off-front wheel MCU and off hind wheel MCU,
Communication diagnostic is carried out to VCU simultaneously, can determine that VCU fails by following two ways：
1) VCU sends disconnection notification information to by bus, and the disconnection notification information is for notifying VCU to be driven from electric vehicle
Dynamic system break is opened.
It should be noted that VCU passes through monitoring and diagnosis function, it can be determined that VCU failures are to need to drive from electric vehicle
System break is opened, still can be by resetting operation recovery VCU normal works.VCU can be driven by bus to electric vehicle
Other units of system, which are sent, disconnects notification information or reset notification information.Notice is disconnected when the near front wheel MCU is received by bus
When information, the near front wheel MCU can determine that VCU fails.
2) the near front wheel MCU, left rear wheel MCU, off-front wheel MCU and off hind wheel MCU to the VCU nodes in bus communicate and be examined
It is disconnected, judge whether the communication with VCU is interrupted.
It should be noted that step 310 is only to be with the near front wheel MCU, left rear wheel MCU, off-front wheel MCU and off hind wheel MCU
Example illustrates.Software with control function in electric vehicle, and the controller for being stored with VCU backup softwares can be right
VCU carries out Communication diagnostic, determines that VCU fails.
If it should also be understood that only there are one being stored with VCU backup softwares with the unit of control function in vehicle electric system,
The controller for thening follow the steps 310 can be a unit with control function, i.e., this is stored with having for VCU backup softwares
The unit of control function.
320, the near front wheel MCU, left rear wheel MCU, off-front wheel MCU and off hind wheel MCU determine whether determination respectively meets respectively
Take over condition.
Specifically, the near front wheel MCU, left rear wheel MCU, off-front wheel MCU and off hind wheel MCU need to sentence after determining VCU failures
It is disconnected itself whether to meet take over condition, if meeting take over condition, start VCU backup softwares, if being unsatisfactory for take over condition, no
Start VCU backup softwares.Specific take over condition can be at least one of following condition：
1) determine whether the control function module of itself can work normally.
2) control function module can work normally.
Specifically, MCU detects motor failure failure, but control function module can work normally, then MCU can stop
Only motor is controlled, but still VCU backup softwares can be started.
330, the near front wheel MCU, left rear wheel MCU, off-front wheel MCU and off hind wheel MCU are determined respectively starts VCU backup softwares
Controller failure of the priority higher than the priority for itself starting VCU backup softwares.
Specifically, the spare controller in the near front wheel MCU, left rear wheel MCU, off-front wheel MCU and off hind wheel MCU, is starting
It before VCU backup softwares, needs in the near front wheel MCU, left rear wheel MCU, off-front wheel MCU and off hind wheel MCU, it is soft to start VCU backups
The priority of part starts the controller failure of the priority of VCU backup softwares higher than spare controller itself.
For example, spare controller is to determine the near front wheel MCU, and start the row of the priority of VCU backup softwares from high in the end
Sequence is：Left rear wheel MCU, the near front wheel MCU, off-front wheel MCU and off hind wheel MCU.Then after VCU fails, what the near front wheel MCU met connects
Pipe condition can be left rear wheel MCU failures.That is, for the near front wheel MCU, the near front wheel MCU needs to examine by communication
It is disconnected to determine that left rear wheel MCU failures, the near front wheel MCU just start VCU backup softwares.
It should be noted that if 3 MCU in drive system of electric automobile fail, then examining for driving safety
Consider automobile and needs ramp to stop.
It should also be understood that the embodiment of the present application is not especially limited the precedence relationship of step 320 and 330, such as step 330
It can execute before step 320, step 320 can be performed simultaneously with step 330.
330, the near front wheel MCU enables VCU backup softwares.
Specifically, the near front wheel MCU starts VCU backup softwares, the control function of take over VCU.The near front wheel MCU, in addition to operation
Except the control functions such as the normal energy managements of VCU, torque distribution, vehicle running state judgement, it can also need in view of electricity
Machine abnormal running situation：
1) the near front wheel MCU can determine that mono-/bis-axis drives according to motor operation efficiency；
2) the near front wheel MCU can carry out torque optimization, and be the torque after the distribution optimization of each motor；
3) if the motor failure or a MCU failure, the near front wheel MCU in drive system of electric automobile can be determined that
Electric vehicle can not have to reduce travel speed；
3) if the homonymy motor or homonymy MCU failures, the near front wheel MCU in drive system of electric automobile can be determined that electronic vapour
Vehicle needs to reduce travel speed, and stops；
4) if any three motor failures or three MCU failures, the near front wheel MCU in drive system of electric automobile can be sentenced
Determine electric vehicle to need to reduce travel speed, and stops；
If 5) MCU in drive system of electric automobile positioned at the motor failure of diagonal positions or positioned at diagonal positions
Failure, the near front wheel MCU can be determined that electric vehicle needs to reduce travel speed, and stop.
The method that the troubleshooting of the embodiment of the present application is described in detail above in association with Fig. 1 to Fig. 3, with reference to Fig. 4
And Fig. 5, the device of the troubleshooting of the embodiment of the present application is described in detail.It should be understood that Fig. 4 and device shown in fig. 5 can be realized
Each step in Fig. 2, to avoid repeating, in this not go into detail.
Fig. 4 is the schematic block diagram of the device of the troubleshooting of the embodiment of the present application.Device 400 shown in Fig. 4 includes：Really
Cover half block 410 and starting module 420.
Determining module 410, for determining that the VCU failures of full-vehicle control unit, the spare controller are to be communicated with the VCU
The controller of connection is stored with the VCU backup softwares of the VCU in the spare controller；
Starting module 420, for starting the VCU backup softwares.
Optionally, as one embodiment, the determining module is specifically used for carrying out Communication diagnostic to the VCU, determine
The VCU failures.
Optionally, as one embodiment, the determining module is additionally operable to at least one first spare controller
Each first spare controller carries out Communication diagnostic, determines that each of described at least one first spare controller first is spare
Controller fails, and the priority that each first spare controller starts the VCU backup softwares is higher than the spare control
Device starts the priority of the VCU backup softwares.
Optionally, as one embodiment, the determining module is additionally operable to determine that the spare controller meets take over item
Part, the take over condition is for judging whether the spare controller can start the VCU backup softwares.
Optionally, as one embodiment, the fault treating apparatus is motor control unit MCU, the take over condition
It does not fail including the control module in the MCU, the determining module is additionally operable to determine the motor failure of the MCU；It is described true
Cover half block is additionally operable to determine that the control module in the MCU does not fail.
Optionally, as one embodiment, the fault treating apparatus is MCU.
Optionally, as one embodiment, above-mentioned determining module 410 and starting module 420 can be processor 520.Institute
Stating terminal device can also be specific as shown in Figure 5 including memory 510, input/output interface 530 and communication interface 540.
Fig. 5 is the schematic block diagram of the device of the troubleshooting of another embodiment of the application.Device 500 shown in fig. 5 wraps
It includes：Memory 510, processor 520, input/output interface 530, communication interface 540.Wherein, memory 510, processor 520,
Input/output interface 530 is connected with communication interface 540 by internal connecting path, which for storing instruction, should
Processor 520 be used for execute the memory 520 storage instruction, with control input/output interface 530 receive input data and
Information, the data such as output operating result, and control communication interface 540 and send signal.
Processor 520, for determining full-vehicle control unit VCU failure, the spare controller is and the VCU communication links
The controller connect is stored with the VCU backup softwares of the VCU in the spare controller；It is soft to be additionally operable to start the VCU backups
Part.
It should be understood that in the embodiment of the present application, which may be used general central processing unit (Central
Processing Unit, CPU), microprocessor, application specific integrated circuit (Application Specific
Integrated Circuit, ASIC), or one or more integrated circuits, for executing relative program, to realize the application
The technical solution that embodiment is provided.
It should also be understood that R-T unit of the communication interface 540 using such as, but not limited to transceiver one kind, to realize terminal
Communication between 500 and other equipment or communication network.
The memory 510 may include read-only memory and random access memory, and to processor 520 provide instruction and
Data.The a part of of processor 520 can also include nonvolatile RAM.For example, processor 520 can also be deposited
Store up the information of device type.
During realization, each step of the above method can pass through the integrated logic circuit of the hardware in processor 520
Or the instruction of software form is completed.The method of troubleshooting in conjunction with disclosed in the embodiment of the present application can be embodied directly in firmly
Part processor executes completion, or in processor hardware and software module combination execute completion.Software module can be located at
Random access memory, flash memory, read-only memory, programmable read only memory or electrically erasable programmable memory, register etc.
In the storage medium of this field maturation.The storage medium is located at memory 510, and processor 520 reads the letter in memory 510
Breath, in conjunction with the step of its hardware completion above method.To avoid repeating, it is not detailed herein.
Those of ordinary skill in the art may realize that lists described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, depends on the specific application and design constraint of technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or its arbitrary combination real
It is existing.When implemented in software, it can entirely or partly realize in the form of a computer program product.The computer program
Product includes one or more computer instructions.When loading on computers and executing the computer program instructions, all or
It partly generates according to the flow or function described in the embodiment of the present application.The computer can be all-purpose computer, special meter
Calculation machine, computer network or other programmable devices.The computer instruction can be stored in computer readable storage medium
In, or from a computer readable storage medium to the transmission of another computer readable storage medium, for example, the computer
Instruction can pass through wired (such as coaxial cable, optical fiber, number from a web-site, computer, server or data center
User's line (Digital Subscriber Line, DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another
Web-site, computer, server or data center are transmitted.The computer readable storage medium can be computer capacity
Any usable medium enough read is either deposited comprising data such as one or more usable mediums integrated server, data centers
Store up equipment.The usable medium can be magnetic medium, and (for example, floppy disk, hard disk, tape), optical medium are (for example, digital universal
CD (Digital Video Disc, DVD) or semiconductor medium (for example, solid state disk (Solid State Disk,
SSD)) etc..
The above, the only specific implementation mode of the application, but the protection domain of the application is not limited thereto, it is any
Those familiar with the art can easily think of the change or the replacement in the technical scope that the application discloses, and should all contain
It covers within the protection domain of the application.Therefore, the protection domain of the application should be based on the protection scope of the described claims.
Claims (12)
1. a kind of method of troubleshooting, which is characterized in that including：
Spare controller determines that the VCU failures of full-vehicle control unit, the spare controller are connect by bus with the VCU, institute
State the VCU backup softwares that the VCU is stored in spare controller；
The spare controller starts the VCU backup softwares, to control Full Vehicle System.
2. the method as described in claim 1, which is characterized in that the spare controller determines the VCU failures of full-vehicle control unit
Including：
The spare controller carries out Communication diagnostic to the VCU, determines the VCU failures.
3. method as claimed in claim 1 or 2, which is characterized in that it is soft to start the VCU backups in the spare controller
Part, with before controlling Full Vehicle System, the method further includes：
The spare controller carries out Communication diagnostic to the first spare controller of each of at least one first spare controller,
Determine that the first spare controller of each of at least one first spare controller fails, each first spare control
The priority that device starts the VCU backup softwares is higher than the priority that the spare controller starts the VCU backup softwares.
4. method as claimed in any one of claims 1-3, which is characterized in that start the VCU in the spare controller
Backup software, with before controlling Full Vehicle System, the method further includes：
The spare controller determines that the spare controller meets take over condition, and the take over condition is described spare for judging
Whether controller can start the VCU backup softwares.
5. method as claimed in claim 4, which is characterized in that the spare controller is motor control unit MCU, described to connect
Pipe condition includes that the control module in the MCU does not fail,
The method further includes：
The MCU determines the motor failure of the MCU；
The spare controller determines that the spare controller meets take over condition, including：
The MCU determines that the control module in the MCU does not fail.
6. the method as described in any one of claim 1-4, which is characterized in that the spare controller is MCU.
7. a kind of device of troubleshooting, which is characterized in that including：
Determining module, for determining the VCU failures of full-vehicle control unit, the spare controller is to be communicated to connect with the VCU
Controller is stored with the VCU backup softwares of the VCU in the spare controller；
Starting module, for starting the VCU backup softwares.
8. device as claimed in claim 7, which is characterized in that the determining module, specifically for being communicated to the VCU
Diagnosis determines the VCU failures.
9. device as claimed in claim 7 or 8, which is characterized in that the determining module is additionally operable to standby at least one first
Communication diagnostic is carried out with the first spare controller of each of controller, is determined at least one first spare controller
Each first spare controller failure, the priority that each first spare controller starts the VCU backup softwares are higher than
The spare controller starts the priority of the VCU backup softwares.
10. device as claimed in any one of claims 7-9, which is characterized in that the determining module is additionally operable to described in determination
Spare controller meets take over condition, and the take over condition is for judging whether the spare controller can start the VCU
Backup software.
11. device as claimed in claim 10, which is characterized in that the fault treating apparatus is motor control unit MCU, institute
It includes that the control module in the MCU does not fail to state take over condition,
The determining module is additionally operable to determine the motor failure of the MCU；
The determining module is additionally operable to determine that the control module in the MCU does not fail.
12. the device as described in any one of claim 7-10, which is characterized in that the fault treating apparatus is MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710117115.2A CN108528266A (en) | 2017-03-01 | 2017-03-01 | The method and apparatus of troubleshooting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710117115.2A CN108528266A (en) | 2017-03-01 | 2017-03-01 | The method and apparatus of troubleshooting |
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| CN108528266A true CN108528266A (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710117115.2A Pending CN108528266A (en) | 2017-03-01 | 2017-03-01 | The method and apparatus of troubleshooting |
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