CN108099692A - The fault handling method and system of a kind of vehicle and its motor driven systems - Google Patents
The fault handling method and system of a kind of vehicle and its motor driven systems Download PDFInfo
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- CN108099692A CN108099692A CN201711160648.5A CN201711160648A CN108099692A CN 108099692 A CN108099692 A CN 108099692A CN 201711160648 A CN201711160648 A CN 201711160648A CN 108099692 A CN108099692 A CN 108099692A
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- motor driven
- driven systems
- vehicle
- fault parameter
- fault
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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
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0822—Integrated protection, motor control centres
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
-
- 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
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention discloses a kind of fault handling method of the motor driven systems of vehicle, including：When motor driven systems break down, suspend the operation of corresponding motor driven systems；Detect the specific fault parameter of the motor driven systems to break down；Judge whether each specific fault parameter belongs to default critical failure list entry, if so, performing corresponding default troubleshooting operation respectively；If it is not, then corresponding motor driven systems is made to resume operation again.So, the present invention can make the motor driven systems of failure be returned to normal condition rapidly, remaining motor driven systems is avoided to be in the working condition of higher load for a long time, and it is powered on again without electricity under vehicle, it can ensure the continuous operation of motor driven systems as far as possible, the load of each motor driven systems is balanced, vehicle power output is made to keep in balance.Fault processing system and a kind of vehicle, its advantage invention additionally discloses a kind of motor driven systems of vehicle is as described above.
Description
Technical field
The present invention relates to Vehicle Engineering technical field, more particularly to a kind of troubleshooting side of the motor driven systems of vehicle
Method.The invention further relates to a kind of fault processing systems of motor driven systems of vehicle and a kind of driven including above-mentioned motor to be
The vehicle of the fault processing system of system.
Background technology
With the development of Chinese mechanical industry, more and more mechanical equipments have been used widely.
It is energy-saving and emission-reduction in automotive industry, improves energy utilization rate, pure electric automobile and hybrid vehicle is (following
Referred to as " mixed electrical automobile ") occur gradually over market.On pure electric automobile or mixed electrical automobile, motor driving system is both provided with
System, for providing driving force for driving wheel (with engine together).
After motor driven systems long-play, operation troubles is easily generated.At present in pure electric automobile or mixed electrical automobile
On, motor driven systems fault level is generally divided into three classes：Performance limitation, medium outage, catastrophe failure, grade are respectively one
Grade, two level and three-level.Wherein, during level fault, system carries out performance limitation according to the failure of motor driven systems, can be extensive immediately
It is multiple.During secondary failure, system can stop the torque output of motor driven systems immediately, need to re-power just after Failure elimination
It can recover.During three-level fault, high pressure under system request, and stop the torque output of motor driven systems, Failure elimination immediately
After need to recover after re-powering.
Driven two on pure electric vehicles or mixed electrical automobile, dynamical system is single, the treatment mechanism of secondary failure vehicle is influenced compared with
It is small, but on the new-energy automobile of the types such as four-drive hybrid electric or 4 wheel driven pure electric automobile, it is related to multiple dynamical systems, if its
In a motor driven systems stop torque output immediately because of secondary failure and can not recover, remaining motor driven systems is born
Lotus will increase, and work long hours, and certainly will influence the power output and vehicle safety of vehicle, and only stop in driver,
Just each motor driven systems can be made to be restored to normal operation after the power is turned on again vehicle power-off, will so motor be caused to drive
System can not continuously be run, and part motor driven systems load is higher, the unbalanced adverse effect of vehicle power output.
Therefore, how to ensure the continuous operation of motor driven systems as far as possible, balance the load of each motor driven systems, make
Vehicle power output is kept in balance, and is the technical issues of those skilled in the art are urgently to be resolved hurrily.
The content of the invention
The object of the present invention is to provide a kind of fault handling methods of the motor driven systems of vehicle, can ensure electricity as far as possible
The continuous operation of machine drive system balances the load of each motor driven systems, vehicle power output is made to keep in balance.The present invention
Another object be to provide a kind of fault processing system of motor driven systems of vehicle and a kind of vehicle.
In order to solve the above technical problems, the present invention provides a kind of fault handling method of the motor driven systems of vehicle, bag
It includes：
When motor driven systems break down, suspend the operation of corresponding motor driven systems；
Detect the specific fault parameter of the motor driven systems to break down；
Judge whether each specific fault parameter belongs to default critical failure list entry, if so, execution pair respectively
The default troubleshooting operation answered；If it is not, then corresponding motor driven systems is made to resume operation again.
Preferably, when judging whether each specific fault parameter belongs to default critical failure list entry, if so, also wrapping
It includes：
Record the current specific fault parameter of each motor driven systems.
Preferably, after the current failure design parameter of each motor driven systems is recorded, further include：
The historical record number of the affiliated entry of the current specific fault parameter of statistics, and judge whether historical record number surpasses
Predetermined threshold value is crossed, warning is reported for repairment if so, being sent according to predetermined manner to user.
Preferably, the default critical failure list entry specifically includes：
Present current value is more than current threshold or current temperature value is more than temperature threshold.
Preferably, troubleshooting operation is preset to specifically include：
It reduces the output power of on-vehicle battery or improves the rotating speed of radiator fan.
The present invention also provides a kind of fault processing system of the motor driven systems of vehicle, including：
Suspend module, for when motor driven systems break down, stopping the operation of corresponding motor driven systems；
Detection module, for detecting the specific fault parameter of the motor driven systems to break down；
Judgment module, for judging whether each specific fault parameter belongs to default critical failure list entry；
Operation module, for when the judging result of the judgment module is to be, performing corresponding default troubleshooting behaviour respectively
Make and when the judging result of the judgment module is no, corresponding motor driven systems is made to resume operation again.
Preferably, further include：
Logging modle, for recording the current specific fault parameter of each motor driven systems.
Preferably, further include：
Statistical module for counting the historical record number of the affiliated entry of current specific fault parameter, and judges history
Record whether number is more than predetermined threshold value, warning is reported for repairment if so, being sent according to predetermined manner to user.
The present invention also provides a kind of vehicle, at the failure including the motor driven systems as any one of above-mentioned three
Reason system.
Preferably, the vehicle is specially that 4 wheel driven mixes electrical automobile or 4 wheel driven pure electric automobile.
The fault handling method of the motor driven systems of vehicle provided by the present invention mainly includes three steps, wherein,
In the first step, when some or some motor driven systems break down in the process of running, first by the failure
Each electrode drive system halt operation, remaining motor driven systems being still up temporarily improve power and load.
In second step, fault detect is carried out to each motor driven systems of failure immediately, to determine each motor driven systems
Specific fault parameter.In the third step, after the specific fault parameter of each motor driven systems is detected, can accordingly with
Default critical failure list is compared, and judges whether each specific fault parameter belongs to the item in default critical failure list
Mesh.If it is, the failure ratio for each motor driven systems that explanation breaks down at this time is more serious, it is necessary to perform correspondence respectively
The operation of default troubleshooting, troubleshooting operation sets in advance for the specific fault parameter of failure, can be directed to certain and specific have
Body fault parameter is modified, so as to pointedly by the troubleshooting of each motor driven systems, it be made to recover normal operation.
If it is not, then the failure of each motor driven systems that explanation breaks down at this time is smaller, in motor driven systems can
In the range of receiving, only corresponding motor driven systems need to be made to resume operation again at this time, in subsequent motor operation course
In, it can gradually automatically revert to normal condition.In this way, the troubleshooting side of the motor driven systems of vehicle provided by the present invention
Method after motor driven systems failure, first by the motor driven systems operation suspension of the failure, then detects failure
Specific fault parameter is compared with default critical failure list according to the specific fault parameter, judges whether to belong to therein
Entry, if belonging to, failure is more serious, and performing corresponding default troubleshooting according to specific fault parameter at this time operates, and makes it rapid
It resumes operation；If being not belonging to, failure is slight, directly it is made to resume operation at this time.So so that the motor driving of failure
System is returned to rapidly normal condition, remaining motor driven systems is avoided to be in the working condition of higher load for a long time, and
It is powered on again without electricity under vehicle, can ensure the continuous operation of motor driven systems as far as possible, balance each motor driven systems
Load makes vehicle power output keep in balance.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of specific embodiment provided by the present invention；
Fig. 2 is a kind of module map of specific embodiment provided by the present invention.
Wherein, in Fig. 2：
Suspend module -1, detection module -2, judgment module -3, operation module -4, logging modle -5 count mould
Block -6.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
It please refers to Fig.1, Fig. 1 is a kind of flow chart of specific embodiment provided by the present invention.
In a kind of specific embodiment provided by the present invention, the fault handling method master of the motor driven systems of vehicle
To include three steps, be respectively：When motor driven systems break down, suspend the operation of corresponding motor driven systems；Inspection
Survey the specific fault parameter of the motor driven systems to break down；Judge whether each specific fault parameter belongs to default critical failure
List of entries, if so, performing corresponding default troubleshooting operation respectively；If it is not, then make corresponding motor driven systems extensive again
Multiple operation.
Wherein, in the first step, when some or some motor driven systems break down in the process of running, first will
Each electrode drive system halt operation of the failure, remaining motor driven systems being still up temporarily improve work(
Rate and load.
In second step, fault detect is carried out to each motor driven systems of failure immediately, to determine each electricity
The specific fault parameter of machine drive system, for example the specific fault parameter of some motor driven systems is：+ 5 DEG C, then represent motor
The current temperature value of drive system is more than 5 degrees Celsius of normal operating temperature；Or failure design parameter is：+ 50mA then represents electricity
The present current value of machine drive system is more than normal operating current 50mA.Certainly, specific fault parameter can also be power, turn round
Square, rotating speed etc..
In the third step, after the specific fault parameter of each motor driven systems is detected, can accordingly with default pass
Key error listing is compared, and judges whether each specific fault parameter belongs to the entry in default critical failure list.Such as
Fruit is then to illustrate that the failure ratio of each motor driven systems to break down at this time is more serious, it is necessary to perform respectively corresponding pre-
If troubleshooting operates, which operates the advance specific fault parameter for failure and sets, and can be directed to certain specific specifically event
Barrier parameter is modified, so as to pointedly by the troubleshooting of each motor driven systems, it be made to recover normal operation.If
It is no, then illustrate that the failure of each motor driven systems to break down at this time is smaller, in the acceptable of motor driven systems
In the range of, only corresponding motor driven systems need to be made to resume operation again at this time, in subsequent motor operation course, meeting
Gradually automatically revert to normal condition.
In this way, the fault handling method of the motor driven systems for the vehicle that the present embodiment is provided, in motor driven systems
After failure, first by the motor driven systems operation suspension of the failure, the specific fault parameter of failure is then detected, according to
The specific fault parameter is compared with default critical failure list, judges whether to belong to entry therein, if belonging to, failure
It is more serious, corresponding default troubleshooting is performed according to specific fault parameter at this time and is operated, it is made to resume operation rapidly；If being not belonging to,
Then failure is slight, directly it is made to resume operation at this time.So so that the motor driven systems of failure are returned to rapidly normally
State avoids remaining motor driven systems from being in the working condition of higher load for a long time, and is powered on again without electricity under vehicle,
It can ensure the continuous operation of motor driven systems as far as possible, balance the load of each motor driven systems, make vehicle power output
It keeps in balance.
Specifically, every entry of default critical failure list is mainly including related with the operating status of motor driven systems
Electric parameter, such as torque failure shows and determines torque and continue 15% etc. of Δ t more than predetermined threshold value with feedback torque difference；
Hardware over current fault refers to using hardware comparison circuit, and it is more than predetermined threshold value to judge phase current；Hardware excess temperature failure, refers to hardware temperature
Degree is more than predetermined threshold value；Power module failure, it is more than predetermined threshold value to refer to power detection module failure or power detection value；Phase
Overcurrent failure refers to three-phase current more than current threshold；Three-phase current sensor failure refers to three-phase current sensor drift event
Barrier.Certainly, presetting the entry of critical failure list can also suitably change as needed, and details are not described herein again.
Meanwhile the output work for reducing on-vehicle battery is specifically included with the corresponding default troubleshooting operation of specific fault parameter
Rate, the rotating speed for improving radiator fan reduce output torque etc..Specific troubleshooting operation is formulated according to specific fault parameter,
When motor driven systems break down, pointedly it is modified.
In addition, when judging whether each specific fault parameter belongs to default critical failure list entry, if belonging to, remove
The corresponding default troubleshooting operation of execution is outer, can also simultaneously record the current specific fault parameter of each motor driven systems
Come, so as to the corresponding troubleshooting operation of specific fault parameter before being directly invoked in the similar failure of follow-up appearance, while also have
It is easier which kind of failure occur under specific run operating mode beneficial to analysis motor driven systems.
It further, can also be to current specific after the current specific fault parameter record by each motor driven systems
The historical record number of the affiliated entry of fault parameter is counted, for example has had 2 similar specific failures ginsengs before
Several program recordings then illustrates to have occurred and that failure identical twice before the motor driven systems.Meanwhile judge that this is specific
Whether the historical record number of the affiliated entry of fault parameter is more than predetermined threshold value, if it is, illustrating the motor driven systems
The corresponding failure of the entry easily occurs, and situation is also possible to again occur at any time during follow-up operation than more serious,
Warning is reported for repairment at this point, can be sent according to predetermined manner to user (such as driver), reminds user in time to the motor driven systems
Corresponding repair is carried out, to eliminate incidental failure.
As shown in Fig. 2, Fig. 2 is a kind of module map of specific embodiment provided by the present invention.
The present embodiment also provides a kind of fault processing system of the motor driven systems of vehicle, it is main include pause module 1,
Detection module 2, judgment module 3 and operation module 4.Wherein, pause module 1 is mainly used for breaking down in motor driven systems
When, stop the operation of corresponding motor driven systems.Detection module 2 mainly for detection of the motor driven systems of failure tool
Body fault parameter.Judgment module 3 is mainly used for judging whether each specific fault parameter belongs to default critical failure list entry.Behaviour
Make module 4 to be mainly used for when the judging result of judgment module 3 is is, perform corresponding default troubleshooting operation, Yi Ji respectively
When the judging result of judgment module 3 is no, corresponding motor driven systems is made to resume operation again.
The fault processing system for the motor driven systems that the present embodiment is provided, fault handling method with above-mentioned phase inside the Pass
Hold identical, details are not described herein again.
The present embodiment is also additionally arranged logging modle 5 and statistical module 6.Wherein, logging modle 5 is mainly used for recording each electricity
The current specific fault parameter of machine drive system, and statistical module 6 is connected with 5 signal of logging modle, and it is current to be mainly used for statistics
The historical record number of the affiliated entry of specific fault parameter, and judge whether historical record number is more than predetermined threshold value, if so,
Then user is sent according to predetermined manner and reports warning for repairment.
The present embodiment also provides a kind of vehicle, mainly including car body, the motor driven systems being arranged on car body, Yi Ji electricity
The fault processing system of machine drive system, wherein, the fault processing system of the motor driven systems is identical with above-mentioned related content,
Details are not described herein again.
It should be noted that the vehicle in the present embodiment, occurrence is that 4 wheel driven mixes electrical automobile or 4 wheel driven pure electric vehicle vapour
Vehicle.Certainly, the fault processing system of the motor driven systems in the present embodiment is equally useful for the new energy vapour of remaining type
Vehicle.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide scope caused.
Claims (10)
1. a kind of fault handling method of the motor driven systems of vehicle, which is characterized in that including：
When motor driven systems break down, suspend the operation of corresponding motor driven systems；
Detect the specific fault parameter of the motor driven systems to break down；
Judge whether each specific fault parameter belongs to default critical failure list entry, if so, performing respectively corresponding
Default troubleshooting operation；If it is not, then corresponding motor driven systems is made to resume operation again.
2. the fault handling method of motor driven systems according to claim 1, which is characterized in that judge each described specific
When whether fault parameter belongs to default critical failure list entry, if so, further including：
Record the current specific fault parameter of each motor driven systems.
3. the fault handling method of motor driven systems according to claim 2, which is characterized in that recording each motor
After the current specific fault parameter of drive system, further include：
The historical record number of the affiliated entry of the current specific fault parameter of statistics, and judge whether historical record number is more than pre-
If threshold value, warning is reported for repairment if so, being sent according to predetermined manner to user.
4. the fault handling method of motor driven systems according to claim 3, which is characterized in that the default crucial event
Barrier list of entries specifically includes：
Present current value is more than current threshold or current temperature value is more than temperature threshold.
5. the fault handling method of motor driven systems according to claim 4, which is characterized in that default troubleshooting operation tool
Body includes：
It reduces the output power of on-vehicle battery or improves the rotating speed of radiator fan.
6. a kind of fault processing system of the motor driven systems of vehicle, which is characterized in that including：
Suspend module, for when motor driven systems break down, stopping the operation of corresponding motor driven systems；
Detection module, for detecting the specific fault parameter of the motor driven systems to break down；
Judgment module, for judging whether each specific fault parameter belongs to default critical failure list entry；
Operation module, for when the judging result of the judgment module is to be, performing corresponding default troubleshooting operation respectively, with
And when the judging result of the judgment module is no, corresponding motor driven systems is made to resume operation again.
7. the fault processing system of motor driven systems according to claim 6, which is characterized in that further include：
Logging modle, for recording the current specific fault parameter of each motor driven systems.
8. the fault processing system of motor driven systems according to claim 7, which is characterized in that further include：
Statistical module for counting the historical record number of the affiliated entry of current specific fault parameter, and judges historical record
Whether number is more than predetermined threshold value, and warning is reported for repairment if so, being sent according to predetermined manner to user.
9. a kind of vehicle, which is characterized in that include the troubleshooting of such as claim 6-8 any one of them motor driven systems
System.
10. vehicle according to claim 9, which is characterized in that the vehicle is specially that 4 wheel driven mixes electrical automobile or 4 wheel driven is pure
Electric vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160648.5A CN108099692B (en) | 2017-11-20 | 2017-11-20 | Vehicle and fault processing method and system of motor driving system of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711160648.5A CN108099692B (en) | 2017-11-20 | 2017-11-20 | Vehicle and fault processing method and system of motor driving system of vehicle |
Publications (2)
| Publication Number | Publication Date |
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| CN108099692A true CN108099692A (en) | 2018-06-01 |
| CN108099692B CN108099692B (en) | 2021-08-06 |
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| CN201711160648.5A Active CN108099692B (en) | 2017-11-20 | 2017-11-20 | Vehicle and fault processing method and system of motor driving system of vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108769225A (en) * | 2018-06-05 | 2018-11-06 | 北京智行者科技有限公司 | Emergency vehicle processing method |
| CN110839149A (en) * | 2019-09-29 | 2020-02-25 | 深圳市火乐科技发展有限公司 | Parameter fault-tolerant output method of intelligent projector and related product |
| CN114035497A (en) * | 2021-10-26 | 2022-02-11 | 江西五十铃汽车有限公司 | Emergency switching control method suitable for finish paint drying furnace of automobile coating plant |
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| Publication number | Publication date |
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| CN108099692B (en) | 2021-08-06 |
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