CN108583567A - A kind of plug-in four-wheel drive cars dynamical system fault handling method, system and vehicle - Google Patents
A kind of plug-in four-wheel drive cars dynamical system fault handling method, system and vehicle Download PDFInfo
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- CN108583567A CN108583567A CN201810415860.XA CN201810415860A CN108583567A CN 108583567 A CN108583567 A CN 108583567A CN 201810415860 A CN201810415860 A CN 201810415860A CN 108583567 A CN108583567 A CN 108583567A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/50—Control strategies for responding to system failures, e.g. for fault diagnosis, failsafe operation or limp mode
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0657—Engine torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/08—Electric propulsion units
- B60W2510/083—Torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
- B60W2510/242—Energy storage means for electrical energy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0666—Engine torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/083—Torque
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Combustion & Propulsion (AREA)
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- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Automation & Control Theory (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of plug-in four-wheel drive cars dynamical system fault handling methods, by obtaining the running state data that each dynamical system monitors in plug-in four-wheel drive cars, dynamical system includes whole-control system, preceding driving electric system, generator system, preceding bridge clutch system, drives electric system, engine system, electrokinetic cell system afterwards；According to running state data judge currently running dynamical system whether failure；When judging that currently running dynamical system breaks down, select non-faulting system as the power source of driving vehicle from dynamical system according to present vehicle information.The application can solve the problems, such as that vehicle can not travel when existing mixed dynamic four-wheel drive cars one or several power sources failures wherein.Ensure to reach set safe condition when vehicle breaks down, while the traveling demand of driver can also be met.In addition, present invention also provides the plug-in four-wheel drive cars dynamical system fault processing systems and vehicle that have above-mentioned technique effect.
Description
Technical field
The present invention relates to hybrid vehicle control technology fields, more particularly to a kind of plug-in four-wheel drive cars dynamical system
Fault handling method, system and vehicle.
Background technology
Limited petroleum reserves, the increase and air pollution and greenhouse gas emission of oil-fired demand and cost
The problems such as, all allow the development of orthodox car industry to be faced with larger challenge, electric vehicle becomes research hotspot.
Since people are in addition to work, long journey self-driving travel is also increasingly paid attention to, correspondingly the driveability of vehicle is wanted
It asks also higher and higher, in this case, has the 4-wheel driven car of new energy dynamical system (such as hybrid dynamic system or pure electric vehicle system)
It is becoming increasingly popular.
Different from general internal combustion engine power car, the drive form of new energy dynamical system or pure electric vehicle system is cleverer
Living, system configuration is not limited to single power source, and the full decoupled power configuration of institute's rear axle is due to flexible in its arrangement
Property, the arrangement space of bigger is provided for power battery, more intelligent control not only may be implemented in power source, can also realize more
Efficient braking energy feedback becomes the selection of current hot topic.Therefore it provides a kind of plug-in four-wheel drive cars dynamical system failure
Processing method is those skilled in the art's technical problem urgently to be resolved hurrily.
Invention content
The object of the present invention is to provide a kind of plug-in four-wheel drive cars dynamical system fault handling method, system and vehicle,
Vehicle can not travel when solving the problems, such as existing mixed dynamic four-wheel drive cars one or several power sources failures wherein.
In order to solve the above technical problems, the present invention provides a kind of plug-in four-wheel drive cars dynamical system fault handling method, answer
For entire car controller, the method includes：
The running state data that each dynamical system monitors in plug-in four-wheel drive cars is obtained, the dynamical system includes whole
Vehicle control, generator system, preceding bridge clutch system, drives electric system, engine system at preceding driving electric system afterwards
System, electrokinetic cell system；
According to the running state data judge currently running dynamical system whether failure；
When judging that the currently running dynamical system breaks down, according to present vehicle information from the dynamical system
The middle power source for selecting non-faulting system as driving vehicle.
Optionally, described when judging that the currently running dynamical system breaks down, according to present vehicle information from
Selected in the dynamical system non-faulting system as driving vehicle power source include：
When judge it is described before driving electric system occur can not output torque failure when, ask it is described before drive department of electrical engineering
Torque output of uniting is 0, only allows the rear driving electric system output torque driving vehicle, enters rear-guard dynamic model to control vehicle
Formula；
When judge it is described after driving electric system occur can not output torque failure when, ask it is described after drive department of electrical engineering
Torque output of uniting is 0, only allows the preceding driving electric system output torque driving vehicle, enters forerunner's dynamic model to control vehicle
Formula.
Optionally, under the preceding drive mode, when speed is more than pre-set velocity threshold value, then using the preceding driving electricity
Machine system and the engine system drive vehicle jointly.
Optionally, described when judging that the currently running dynamical system breaks down, according to present vehicle information from
Selected in the dynamical system non-faulting system as driving vehicle power source include：
When judge the engine system or generator system occur can not output torque failure when, be in engine
Operating status then controls engine and shuts down, is in shutdown status in engine and then forbids engine start, and forbids generator defeated
Go out torque, enters electric-only mode to control vehicle.
Optionally, described when judging that the currently running dynamical system breaks down, according to present vehicle information from
Selected in the dynamical system non-faulting system as driving vehicle power source include：
When judging that the electrokinetic cell system appearance can not provide the failure of discharge power, force to start driven by engine
Electrical power generators for the preceding driving electric system and the rear driving electric system driving, and forbid engine to shut down,
It is prohibited from entering pressure pure electric vehicle drive mode to control vehicle.
Optionally, select non-faulting system as driving vehicle from the dynamical system according to present vehicle information described
Power source after further include：
When dynamical system breaks down, failure corresponding with faulty power system is lighted to instrument display system transmission
The instruction of indicator light.
Optionally, described when judging that the currently running dynamical system breaks down, according to present vehicle information from
Selected in the dynamical system non-faulting system as driving vehicle power source include：
When judging that multiple dynamical systems break down in the dynamical system, executed at failure by the way of superposition
Reason.
The present invention also provides a kind of plug-in four-wheel drive cars dynamical system fault processing systems, including：Entire car controller with
And multiple dynamical systems, the dynamical system include preceding driving electric system, generator system, preceding bridge clutch system, rear-guard
Dynamic electric system, engine system, electrokinetic cell system；
Wherein, the entire car controller is for obtaining the operating status that each dynamical system monitors in plug-in four-wheel drive cars
Data, according to the running state data judge currently running dynamical system whether failure；In the case where judging fault condition, according to
Present vehicle information selects non-faulting system as the power source of driving vehicle from the dynamical system.
Optionally, further include：
The instrument display system being connected with the entire car controller, the control instruction for receiving the entire car controller,
Malfunction indicator lamp corresponding with faulty power system is lighted when dynamical system breaks down.
The present invention also provides a kind of vehicles, including at the plug-in four-wheel drive cars dynamical system failure described in any of the above-described kind
Reason system.
Plug-in four-wheel drive cars dynamical system fault handling method provided by the present invention is applied to entire car controller, passes through
Obtain the running state data that monitors of each dynamical system in plug-in four-wheel drive cars, dynamical system include whole-control system,
Preceding driving electric system, preceding bridge clutch system, drives electric system, engine system, power battery system at generator system afterwards
System；According to running state data judge currently running dynamical system whether failure；Judging currently running dynamical system hair
When raw failure, select non-faulting system as the power source of driving vehicle from dynamical system according to present vehicle information.This Shen
It please can solve the problems, such as that vehicle can not travel when existing mixed dynamic four-wheel drive cars one or several power sources failures wherein.
Ensure to reach set safe condition when vehicle breaks down, while the traveling demand of driver can also be met.In addition, this
Application additionally provides a kind of plug-in four-wheel drive cars dynamical system fault processing system and vehicle having above-mentioned technique effect.
Description of the drawings
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present invention or the prior art
Attached drawing is briefly described needed in technology description, it should be apparent that, the accompanying drawings in the following description is only this hair
Some bright embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of specific implementation mode of plug-in four-wheel drive cars dynamical system fault handling method provided by the present invention
Flow chart；
Fig. 2 is the schematic diagram of plug-in four-wheel drive cars dynamical system fault handling method provided by the present invention；
Fig. 3 is the structure diagram of plug-in four-wheel drive cars dynamical system fault processing system provided in an embodiment of the present invention.
Specific implementation mode
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
A kind of stream of specific implementation mode of plug-in four-wheel drive cars dynamical system fault handling method provided by the present invention
For journey figure as shown in Figure 1, being applied to entire car controller (Vehicle Control Unit, VCU), entire car controller is each for receiving
The work of dynamical system, malfunction, and determine power system components according to information of vehicles such as vehicle attitude, vehicle driving-cycles
Working condition.It can be individual controller, can also be by correlation function Integrated Simulation in existing controller.The side
Method includes：
Step S101：Obtain the running state data that each dynamical system monitors in plug-in four-wheel drive cars, the power
System includes preceding driving electric system, generator system, preceding bridge clutch system, drives electric system afterwards, engine system, moves
Power battery system；
Wherein, preceding driving electric system includes a motor and electric machine controller, can receive and respond by CAN network
The instruction of VCU exports power to drive axle, while detecting self-operating state, malfunction and characterizing onto CAN network.
Preceding generator system includes a motor and electric machine controller, can receive and respond the finger of VCU by CAN network
It enables starting engine or generating electricity under driven by engine and produce electricl energy, while detecting self-operating state, malfunction and characterizing
Onto CAN network.
Driving electric system includes a motor and electric machine controller afterwards, can be received by CAN network and respond VCU's
Instruction output power detects self-operating state, malfunction and characterizes onto CAN network to rear drive shaft.
Preceding bridge clutch system is combined or is disconnected by receiving the instruction of VCU, and engine can be straight when clutch combines conjunction
It connects output power and provides driving force to road wheel end for vehicle, which needs vehicle wheel rotation to provide pressure, only in vehicle
Engagement state can be maintained when fast 60km/h or more.
Engine system includes engine and controller, can be received by CAN network and the instruction output for responding VCU is dynamic
Power is to front driving axle or drives electric generator power generation, while detecting self-operating state, malfunction and characterizing to CAN network
On.
The plug-in four-wheel drive cars that the embodiment of the present invention is provided can further include：Instrument display system.The instrument
Display system receives the display demand of VCU by CAN network, lighting system trouble light and makees corresponding text in the event of failure in vehicle
Word prompts.
Step S102：According to the running state data judge currently running dynamical system whether failure；
Step S103：When judging that the currently running dynamical system breaks down, according to present vehicle information from institute
State the power source for selecting non-faulting system as driving vehicle in dynamical system.
Specifically, entire car controller receives the running state data of each power source by CAN bus, judges its failure shape
State, and select suitable component as power source for driving according to information of vehicles of the current vehicle comprising operating status, pattern
Vehicle ensures the rideability of vehicle.
As a kind of specific implementation mode, when judge it is described before driving electric system occur can not output torque failure
When, the output of driving electric system torque is 0 before request is described, only allows the rear driving electric system output torque driving vehicle
, enter rear drive mode to control vehicle；
When judge it is described after driving electric system occur can not output torque failure when, ask it is described after drive department of electrical engineering
Torque output of uniting is 0, only allows the preceding driving electric system output torque driving vehicle, enters forerunner's dynamic model to control vehicle
Formula.
Further, under the preceding drive mode, when speed is more than pre-set velocity threshold value, then using the preceding driving
Electric system and the engine system drive vehicle jointly.
As a kind of specific implementation mode, when the judgement engine system or generator system appearance can not output torques
Failure when, it is in operating status in engine, control engine and shut down, be in shutdown status in engine and then forbid starting
Machine starts, and forbids generator output torque, enters electric-only mode to control vehicle.
As a kind of specific implementation mode, when the judgement electrokinetic cell system occurs that the failure of discharge power can not be provided
When, it forces to start driven by engine electrical power generators, for the preceding driving electric system and the rear driving electric system
Driving, and engine is forbidden to shut down, it is prohibited from entering pressure pure electric vehicle drive mode to control vehicle.
When judging that multiple dynamical systems break down in the dynamical system, executed at failure by the way of superposition
Reason.After VCU receives the information that several dynamical systems break down simultaneously in CAN bus, troubleshooting is by the way of superposition
It executes, and is kept in key cycle internal fault processing mode, only vehicle again complete after the power is turned on again by lower electricity, failure vanishes
After cancel all treatment measures.
Plug-in four-wheel drive cars dynamical system fault handling method provided by the present invention is applied to entire car controller, passes through
Obtain the running state data that monitors of each dynamical system in plug-in four-wheel drive cars, dynamical system include whole-control system,
Preceding driving electric system, preceding bridge clutch system, drives electric system, engine system, power battery system at generator system afterwards
System；According to running state data judge currently running dynamical system whether failure；Judging currently running dynamical system hair
When raw failure, select non-faulting system as the power source of driving vehicle from dynamical system according to present vehicle information.This Shen
It please can solve the problems, such as that vehicle can not travel when existing mixed dynamic four-wheel drive cars one or several power sources failures wherein.
Ensure to reach set safe condition when vehicle breaks down, while the traveling demand of driver can also be met.
Non-faulting system moving as driving vehicle is selected from the dynamical system according to present vehicle information described
Further include after power source：When dynamical system breaks down, lighted to instrument display system transmission opposite with faulty power system
The instruction for the malfunction indicator lamp answered.
With reference to Fig. 2 plug-in four-wheel drive cars dynamical system fault handling methods provided by the present invention schematic diagram, below it is right
Another specific implementation mode of fault handling method provided by the present invention is described in detail.Entire car controller passes through CAN
Bus receives the running status and fault status of each power source and according to current vehicle operating status, the suitable component of model selection
As power source for driving vehicle, ensure the rideability of vehicle.Specific processing method is as follows：
VCU by CAN bus receive before driving motor occur can not output torque failure, then control vehicle enter it is pure
Rear-guard pattern, the output of driving electric system torque is 0 before asking, and only rear-guard motor output torque is allowed to drive vehicle at this time, is
Ensure that vehicle run stability limitation vehicle speed is travelled less than 60km/h, while asking instrument display system lighting system failure
For prompting driver, vehicle is in malfunction and should drive with caution indicator light at this time.
VCU by CAN bus receive rear driving motor occur can not output torque failure, then control vehicle enter it is pure
Forerunner's pattern, the torque request of driving motor is set to 0 after request, speed be less than 60km/h when only select precursor motor driving,
Driving motor and engine drive jointly before may be selected when speed is higher than 60km/h, while asking instrument display system lighting system
Malfunction indicator lamp and four-wheel drive system malfunction indicator lamp, prompting driver, vehicle cannot achieve 4 wheel driven driving functions at this time.
VCU by CAN bus receive engine system occur can not output torque failure when, then control vehicle entrance
Pure electric drive mode, it is in operating status in engine, control engine shutdown, engine is in shutdown status and then forbids sending out
Engine start, and generator torque is forbidden to export, control vehicle is in pure electric drive mode traveling, while asking instrument display system
System lighting system malfunction indicator lamp, prompts driver vehicle to be in malfunction.
VCU by CAN bus receive before generator system can not output torque failure when, then control vehicle enter it is pure
Electric drive mode is in operating status in engine, controls engine shutdown, engine is in shutdown status and then forbids engine
It starts, and generator torque is forbidden to export, control vehicle is in pure electric drive mode traveling, while asking instrument display system point
Bright system failure indicator light prompts driver vehicle to be in malfunction.
When VCU receives battery system by CAN bus and can not provide the failure of discharge power, force to start engine band
Dynamic electrical power generators drive for front and back driving motor, and engine is forbidden to shut down, and vehicle, which is prohibited from entering, forces pure electric vehicle driving mould
Formula, while instrument display system lighting system malfunction indicator lamp and the unavailable indicator light of pure electric drive mode are asked, it prompts to drive
Vehicle cannot be introduced into pressure pure electric vehicle drive mode to member at this time.
The present invention provides a kind of plug-in four-wheel drive cars dynamical system fault handling method, and entire car controller passes through CAN network
It receives the running status and fault status of each power part and dynamical system is determined according to vehicle attitude at this time and running conditions of vehicle
The working condition of system, under the premise of when ensureing that power part breaks down, vehicle can reach set safe condition, as possible
Meet the traveling demand of driver.
Plug-in four-wheel drive cars dynamical system fault processing system provided in an embodiment of the present invention is introduced below, hereafter
At the plug-in four-wheel drive cars dynamical system fault processing system of description and above-described plug-in four-wheel drive cars dynamical system failure
Reason method can correspond reference.
Fig. 3 is the structure diagram of plug-in four-wheel drive cars dynamical system fault processing system provided in an embodiment of the present invention, ginseng
May include according to Fig. 3 plug-in four-wheel drive cars dynamical system fault processing systems：
Entire car controller 1 and multiple dynamical systems 2, the dynamical system 2 include preceding driving electric system 21, generator
System 22, preceding bridge clutch system 23, rear driving electric system 24, engine system 25, electrokinetic cell system 26；
Wherein, the entire car controller 1 is for obtaining the operation shape that each dynamical system in plug-in four-wheel drive cars monitors
State data, according to the running state data judge currently running dynamical system whether failure；In the case where judging fault condition, root
Select non-faulting system as the power source of driving vehicle from the dynamical system according to present vehicle information.
Further, plug-in four-wheel drive cars dynamical system fault processing system provided herein can also include：With
The connected instrument display system 3 of the entire car controller, the control instruction for receiving the entire car controller, in dynamical system
Malfunction indicator lamp corresponding with faulty power system is lighted when failure.
Entire car controller 1 detects travel condition of vehicle, by receiving the running status and fault status of other dynamical systems,
Determine the run action of each component.Engine system 25 detects self-operating state and malfunction and characterizes onto CAN network；
Generator system 22 detects self-operating state and malfunction and characterizes onto CAN network；Preceding bridge clutch system 23 passes through
Open and close transmits the output torque of engine to road wheel end；Preceding driving electric system 21 detects self-operating state and failure shape
State is simultaneously characterized onto CAN network；Electrokinetic cell system 26 arrives CAN nets by detecting self-operating state and malfunction and characterizing
On network；Driving electric system 24 detects self-operating state and malfunction and characterizes onto CAN network afterwards；Instrument display system
3 receive the display demand of VCU for showing that vehicle trouble messages prompt driver by CAN network.
Entire car controller receives preceding bridge electric system, rear axle electric system, engine system, generator in CAN bus
System, the running status and fault status of electrokinetic cell system are ensuring according to vehicle motion state at this time and operating condition
The power part that can be used in driving is arbitrated out under the premise of security target and provides driving force for vehicle traction, while failure being believed
Breath be sent to instrument display system for show to prompt driver's current vehicle to be in malfunction and corresponding fault message,
Driver is reminded to drive with caution.
The plug-in four-wheel drive cars dynamical system fault processing system of the present embodiment is for realizing plug-in four-wheel drive cars above-mentioned
Dynamical system fault handling method, therefore the specific implementation mode in plug-in four-wheel drive cars dynamical system fault processing system is visible
The embodiment part of plug-in four-wheel drive cars dynamical system fault handling method hereinbefore, specific implementation mode are referred to phase
The description for the various pieces embodiment answered, details are not described herein.
In addition, the present invention also provides a kind of vehicle, including at any of the above-described kind of plug-in four-wheel drive cars dynamical system failure
Reason system, specific implementation mode are referred to the description of corresponding various pieces embodiment, and details are not described herein.
To sum up, the application can solve vehicle when existing mixed dynamic four-wheel drive cars one or several power sources failures wherein
The problem of can not travelling.Ensure to reach set safe condition when vehicle breaks down, while driver can also be met
Traveling demand.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with it is other
The difference of embodiment, just to refer each other for same or similar part between each embodiment.For being filled disclosed in embodiment
For setting, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is referring to method part
Explanation.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, depends on the specific application and design constraint of technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Plug-in four-wheel drive cars dynamical system fault handling method provided by the present invention, system and vehicle are carried out above
It is discussed in detail.Principle and implementation of the present invention are described for specific case used herein, above example
Explanation be merely used to help understand the present invention method and its core concept.It should be pointed out that for the common of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for technical staff, these
Improvement and modification are also fallen within the protection scope of the claims of the present invention.
Claims (10)
1. a kind of plug-in four-wheel drive cars dynamical system fault handling method, which is characterized in that be applied to entire car controller, the side
Method includes：
The running state data that each dynamical system monitors in plug-in four-wheel drive cars is obtained, the dynamical system includes vehicle control
System processed, generator system, preceding bridge clutch system, drives electric system, is engine system, dynamic preceding driving electric system afterwards
Power battery system；
According to the running state data judge currently running dynamical system whether failure；
When judging that the currently running dynamical system breaks down, selected from the dynamical system according to present vehicle information
Select power source of the non-faulting system as driving vehicle.
2. plug-in four-wheel drive cars dynamical system fault handling method as described in claim 1, which is characterized in that described to judge
When the currently running dynamical system breaks down, non-faulting system is selected from the dynamical system according to present vehicle information
It unites as the power source of driving vehicle and includes：
When judge it is described before driving electric system occur can not output torque failure when, ask it is described before driving electric system turn round
Square output is 0, only allows the rear driving electric system output torque driving vehicle, enters rear drive mode to control vehicle；
When judge it is described after driving electric system occur can not output torque failure when, ask it is described after driving electric system turn round
Square output is 0, only allows the preceding driving electric system output torque driving vehicle, enters preceding drive mode to control vehicle.
3. plug-in four-wheel drive cars dynamical system fault handling method as claimed in claim 2, which is characterized in that in the forerunner
It is when speed is more than pre-set velocity threshold value, then total using the preceding driving electric system and the engine system under dynamic model formula
With driving vehicle.
4. plug-in four-wheel drive cars dynamical system fault handling method as described in claim 1, which is characterized in that described to judge
When the currently running dynamical system breaks down, non-faulting system is selected from the dynamical system according to present vehicle information
It unites as the power source of driving vehicle and includes：
When judge the engine system or generator system occur can not output torque failure when, be in operation in engine
State then controls engine and shuts down, be in shutdown status in engine and then forbid engine start, and forbids generator output torsion
Square enters electric-only mode to control vehicle.
5. plug-in four-wheel drive cars dynamical system fault handling method as described in claim 1, which is characterized in that described to judge
When the currently running dynamical system breaks down, non-faulting system is selected from the dynamical system according to present vehicle information
It unites as the power source of driving vehicle and includes：
When judging that the electrokinetic cell system appearance can not provide the failure of discharge power, force to start driven by engine power generation
Machine generates electricity, and for the preceding driving electric system and the rear driving electric system driving, and engine is forbidden to shut down, with control
Vehicle processed, which is prohibited from entering, forces pure electric vehicle drive mode.
6. such as plug-in four-wheel drive cars dynamical system fault handling method described in any one of claim 1 to 5, which is characterized in that
It is described according to present vehicle information from selected in the dynamical system non-faulting system as driving vehicle power source after
Further include：
When dynamical system breaks down, indicating fault corresponding with faulty power system is lighted to instrument display system transmission
The instruction of lamp.
7. such as plug-in four-wheel drive cars dynamical system fault handling method described in any one of claim 1 to 5, which is characterized in that
It is described when judging that the currently running dynamical system breaks down, selected from the dynamical system according to present vehicle information
Select non-faulting system as driving vehicle power source include：
When judging that multiple dynamical systems break down in the dynamical system, troubleshooting is executed by the way of superposition.
8. a kind of plug-in four-wheel drive cars dynamical system fault processing system, which is characterized in that including：Entire car controller and multiple
Dynamical system, the dynamical system include preceding driving electric system, generator system, preceding bridge clutch system, rear driving motor
System, engine system, electrokinetic cell system；
Wherein, the entire car controller is for obtaining the operating status number that each dynamical system in plug-in four-wheel drive cars monitors
According to, according to the running state data judge currently running dynamical system whether failure；In the case where judging fault condition, according to working as
Vehicle in front information selects non-faulting system as the power source of driving vehicle from the dynamical system.
9. plug-in four-wheel drive cars dynamical system fault processing system as claimed in claim 8, which is characterized in that further include：
The instrument display system being connected with the entire car controller, the control instruction for receiving the entire car controller, dynamic
Force system lights malfunction indicator lamp corresponding with faulty power system when breaking down.
10. a kind of vehicle, which is characterized in that at plug-in four-wheel drive cars dynamical system failure as claimed in claim 8 or 9
Reason system.
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