CN103192738A - Electric automobile fault handling method and system - Google Patents
Electric automobile fault handling method and system Download PDFInfo
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- CN103192738A CN103192738A CN2013101214145A CN201310121414A CN103192738A CN 103192738 A CN103192738 A CN 103192738A CN 2013101214145 A CN2013101214145 A CN 2013101214145A CN 201310121414 A CN201310121414 A CN 201310121414A CN 103192738 A CN103192738 A CN 103192738A
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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
- Y02T10/72—Electric energy management in electromobility
Abstract
An electric automobile fault handling method comprises the steps of enabling a motor system monitor to monitor running of a motor system according to preset frequency, obtain a running state of the motor system, and send corresponding running state signals to a full automobile controller according to the running state of the motor system; enabling an energy storage system monitor to monitor running of an energy storage system according to preset frequency, obtain a running state of the energy storage system and send corresponding running state signals to the full automobile controller according to the running state of the energy storage system; enabling the full automobile controller to receive the running state signals of both the motor system and the energy storage system, analyze the received running state signals, search fault grades corresponding to the running state signals and send running instructions to the motor system according to the fault grades; and enabling the motor system to run according to the running instructions. In addition, an electric automobile fault handling system is further provided. According to the electric automobile fault handling method and system, the faults of the motor system and the energy storage system can be detected timely, and the electric automobile is controlled to run according to the fault grades.
Description
[technical field]
The present invention relates to field of automobile control, particularly a kind of electronlmobil fault handling method and system.
[background technology]
The chief component of electronlmobil comprises electric system and closed-centre system.Electric system is the power system in the electronlmobil, drives travelling of electronlmobil.Closed-centre system is for energy reserve in the electronlmobil and the device of power is provided.In the prior art, when motor automobile or closed-centre system et out of order, can not in time detect the generation of fault, and according to the particular case of fault the operation of electronlmobil be controlled.
[summary of the invention]
Based on this, be necessary to provide a kind of and can in time detect the fault of electric energy system and closed-centre system and the electronlmobil fault handling method that moves according to the Fault Control electronlmobil.
A kind of electronlmobil fault handling method may further comprise the steps:
The electric system monitor obtains the running state of electric system according to the operation of predeterminated frequency monitoring electric system, sends corresponding operating state signal to entire car controller according to the running state of electric system;
The closed-centre system monitor obtains the running state of closed-centre system according to the operation of predeterminated frequency monitoring closed-centre system, sends corresponding operating state signal to entire car controller according to the running state of closed-centre system;
Entire car controller receives the operating state signal of electric system and closed-centre system transmission, resolves the operating state signal that receives, and searches the fault level of operating state signal correspondence, sends operating instruction according to fault level to electric system;
Electric system moves according to operating instruction.
Therein among embodiment, described fault level comprises very major failure grade, major failure grade and than the major failure grade;
Describedly comprise to the step that electric system sends operating instruction according to fault level:
If the operating state signal correspondence that entire car controller receives is the major failure grade very, then entire car controller sends cutoff command immediately to electric system;
If the corresponding major failure grade of the operating state signal that entire car controller receives, then entire car controller is reduced to electric power to the electric system transmission 30% instruction;
If the operating state signal correspondence that entire car controller receives is than the major failure grade, then entire car controller is reduced to electric power to the electric system transmission 60% instruction.
Among embodiment, described method also comprises step therein:
Entire car controller sends alarm command according to fault level to warning device;
Warning device carries out alarm according to alarm command.
In addition, also be necessary to provide a kind of and can in time detect the fault of electric energy system and closed-centre system and the electronlmobil fault processing system that moves according to the Fault Control electronlmobil.
A kind of electronlmobil fault processing system comprises:
The electric system monitor is used for the operation according to predeterminated frequency monitoring electric system, obtains the running state of electric system, sends corresponding operating state signal to entire car controller according to the running state of electric system;
The closed-centre system monitor is used for the operation according to predeterminated frequency monitoring closed-centre system, obtains the running state of closed-centre system, sends corresponding operating state signal to entire car controller according to the running state of closed-centre system;
Entire car controller is used for the operating state signal that reception electric system and closed-centre system send, and resolves the operating state signal that receives, and searches the fault level of operating state signal correspondence, sends operating instruction according to fault level to electric system;
Electric system is used for moving according to operating instruction.
Therein among embodiment, described fault level comprises very major failure grade, major failure grade and than the major failure grade;
Entire car controller is used for if the unusual major failure grade of the operating state signal correspondence that receives then sends cutoff command immediately to electric system;
Entire car controller also is used for as if the corresponding major failure grade of the operating state signal that receives, and then to the electric system transmission electric power is reduced to 30% instruction;
Entire car controller also is used for if the operating state signal correspondence that receives than the major failure grade, then is reduced to electric power to the electric system transmission 60% instruction.
Among embodiment, described system also comprises warning device therein;
Entire car controller also is used for sending alarm command according to fault level to warning device;
Warning device is used for carrying out alarm according to alarm command.
Above-mentioned electronlmobil fault handling method and system, the electric system monitor obtains the running state of electric system according to the operation of predeterminated frequency monitoring electric system, sends corresponding operating state signal to entire car controller according to the running state of electric system; The closed-centre system monitor obtains the running state of closed-centre system according to the operation of predeterminated frequency monitoring closed-centre system, sends corresponding operating state signal to entire car controller according to the running state of closed-centre system; Entire car controller receives the operating state signal of electric system and closed-centre system transmission, resolves the operating state signal that receives, and searches the fault level of operating state signal correspondence, sends operating instruction according to fault level to electric system; Electric system moves according to operating instruction; Thereby said method and system can in time detect the fault of electric energy system and closed-centre system and control the electronlmobil operation according to fault level.
[description of drawings]
Fig. 1 is the schematic flow sheet of electronlmobil fault handling method among the embodiment;
Fig. 2 is the structural representation of electronlmobil fault processing system among the embodiment;
Fig. 3 is the structural representation of electronlmobil fault processing system among another embodiment;
Fig. 4 is again the structural representation of electronlmobil fault processing system among the embodiment.
[specific embodiment]
As shown in Figure 1, in one embodiment, a kind of electronlmobil fault handling method may further comprise the steps:
Step S101, electric system monitor obtain the running state of electric system according to the operation of predeterminated frequency monitoring electric system, send corresponding operating state signal to entire car controller according to the running state of electric system.
Electric system is electronlmobil medium power system, drives travelling of electronlmobil.Entire car controller is the central control unit of electronlmobil, each device part of control electronlmobil.
The electric system monitor obtains the running state at each position in the electric system, when certain position et out of order wherein, generate the operating state signal of the fault correspondence that this position takes place according to default form, the operating state signal that generates is sent to entire car controller.
Step S102, closed-centre system monitor obtain the running state of closed-centre system according to the operation of predeterminated frequency monitoring closed-centre system, send corresponding operating state signal to entire car controller according to the running state of closed-centre system.
Closed-centre system is for energy reserve in the electronlmobil and the device of power is provided.
The closed-centre system monitor obtains the running state at each position in the closed-centre system, when certain position et out of order wherein, generate the operating state signal of the fault correspondence that this position takes place according to default form, the operating state signal that generates is sent to entire car controller.
Step S103, entire car controller receive the operating state signal of electric system and closed-centre system transmission, resolve the operating state signal that receives, and search the fault level of operating state signal correspondence, send operating instruction according to fault level to electric system.
The corresponding relation of the grade of the corresponding relation of storage running status signal and fault level, and storage failure in advance and operating instruction content.The corresponding fault level of operating state signal entire car controller can be searched parsing in the corresponding relation of operating state signal and fault level after, further, in the corresponding relation of fault level and operating instruction content, search corresponding operating instruction content according to the fault level that finds, at last, according to the operating instruction content generating run instruction of default form according to correspondence.
Step S104, electric system moves according to operating instruction.
Concrete, electric system receives the operating instruction that entire car controller sends, and the parsing operation instruction obtains the operating instruction content, and generates control signal according to the operating instruction content, with the operation of control electric system self.
In one embodiment, fault level comprises very major failure grade, major failure grade and than the major failure grade.
In the present embodiment, entire car controller may further comprise the steps to the step that electric system sends operating instruction according to fault level:
If the operating state signal correspondence that entire car controller receives is the major failure grade very, then entire car controller sends cutoff command immediately to electric system;
If the corresponding major failure grade of the operating state signal that entire car controller receives, then entire car controller is reduced to electric power to the electric system transmission 30% instruction;
If the operating state signal correspondence that entire car controller receives is than the major failure grade, then entire car controller is reduced to electric power to the electric system transmission 60% instruction.
Wherein, the operating instruction content of cutoff command is the symbol of representative " parking immediately " meaning immediately, the operating instruction content that electric power is reduced to 30% instruction is the symbol of the representative meaning that " electric power is reduced to 30% ", and the operating instruction content that electric power is reduced to 60% instruction is the symbol of the representative meaning that " electric power is reduced to 60% ".
In one embodiment, fault level also comprises the minor failure grade.In the present embodiment, entire car controller is further comprising the steps of to the step that electric system sends operating instruction according to fault level: if the corresponding minor failure grade of the operating state signal that entire car controller receives, then entire car controller sends normal operating instruction to electric system.
Above-mentioned electronlmobil fault handling method, operation according to fault level control electric system, the order of severity of fault level representative is more high, then the electric power that reduces of the operating instruction control electric system that sends to electric system is also more high, thereby can effectively avoid electronlmobil overload operation under situation in bad order, reduce the danger of electronlmobil operation.
In one embodiment, above-mentioned electronlmobil fault handling method also comprises step: the fault level of the operating state signal correspondence that entire car controller record electric system and closed-centre system send.Concrete, entire car controller can record the corresponding relation of time of reception, operating state signal sender and fault level.Wherein, the operating state signal sender is above-mentioned electric system or closed-centre system.Thereby the inquiry of the fault that can be conveniently electric system and closed-centre system be taken place.
In one embodiment, above-mentioned electronlmobil fault handling method also comprises step: entire car controller sends alarm command according to fault level to warning device; Warning device carries out alarm according to alarm command.
Concrete, can set in advance the corresponding relation of fault level and alarm command, entire car controller is searched corresponding alarm command according to the fault level of electric system and closed-centre system in the corresponding relation of fault level and alarm command, the alarm command that finds is sent to warning device.In addition, can set in advance the alarm content of alarm command correspondence, warning device can extract corresponding alarm content according to the alarm command that receives, and shows or play the alarm content of extraction.
In the present embodiment, in case electric system or closed-centre system et out of order can send alarm in time.
In one embodiment, before step S101, above-mentioned electronlmobil fault handling method also comprises step: the local area network transceiver module is installed for electric system monitor, closed-centre system monitor, electric system and entire car controller respectively, the local area network transceiver module is linked into controller local area network, makes electric system monitor, closed-centre system monitor, electric system and entire car controller can receive and send messages by controller local area network each other.Controller local area network is Controller Area Network(CAN), be a kind of fieldbus.CAN is designed as the microcontroller communication in the automotive environment, and exchange message between vehicle-mounted each electronic control package forms the Vehicle Electronic Control network.
As shown in Figure 2, in one embodiment, a kind of electronlmobil fault processing system comprises electric system monitor 20, closed-centre system monitor 40, entire car controller 60 and electric system 80, wherein:
Electric system monitor 20 is used for the operation according to predeterminated frequency monitoring electric system, obtains the running state of electric system, sends corresponding operating state signal to entire car controller 60 according to the running state of electric system.
Electric system monitor 20 is connected with electric system 80 in the electronlmobil.
Electric system monitor 20 obtains the running state at each position in the electric system, when certain position et out of order wherein, generate the operating state signal of the fault correspondence that this position takes place according to default form, the operating state signal that generates is sent to entire car controller 60.
Closed-centre system monitor 40 is used for the operation according to predeterminated frequency monitoring closed-centre system, obtains the running state of closed-centre system, sends corresponding operating state signal to entire car controller 60 according to the running state of closed-centre system.
Closed-centre system monitor 40 is connected with closed-centre system in the electronlmobil.
Closed-centre system monitor 40 obtains the running state at each position in the closed-centre system, when certain position et out of order wherein, generate the operating state signal of the fault correspondence that this position takes place according to default form, the operating state signal that generates is sent to entire car controller 60.
As shown in Figure 3, in one embodiment, above-mentioned electronlmobil fault processing system also comprises memory module, memory module 70 is connected with entire car controller 60, the corresponding relation of memory module 70 storage running status signals and fault level, and the corresponding relation of storage failure grade and operating instruction content.The corresponding fault level of operating state signal entire car controller 60 can be searched parsing in the corresponding relation of operating state signal and fault level after, further, in the corresponding relation of fault level and operating instruction content, search corresponding operating instruction content according to the fault level that finds, at last, according to the operating instruction content generating run instruction of default form according to correspondence.
Concrete, electric system 80 receives the operating instruction that entire car controllers 60 send, and the parsing operation instruction obtains the operating instruction content, and generates control signal according to the operating instruction content, with the operation of control electric system 80 self.
In one embodiment, fault level comprises very major failure grade, major failure grade and than the major failure grade.
In the present embodiment, entire car controller 60 is used for if the unusual major failure grade of the operating state signal correspondence that receives then sends cutoff command immediately to electric system 80;
Wherein, the operating instruction content of cutoff command is the symbol of representative " parking immediately " meaning immediately, the operating instruction content that electric power is reduced to 30% instruction is the symbol of the representative meaning that " electric power is reduced to 30% ", and the operating instruction content that electric power is reduced to 60% instruction is the symbol of the representative meaning that " electric power is reduced to 60% ".
In one embodiment, fault level also comprises the minor failure grade.In the present embodiment, entire car controller 60 also is used for if the corresponding minor failure grade of the operating state signal that receives then sends normal operating instruction to electric system 80.
Above-mentioned electronlmobil fault processing system, operation according to fault level control electric system, the order of severity of fault level representative is more high, then the electric power that reduces of the operating instruction control electric system that sends to electric system is also more high, thereby can effectively avoid electronlmobil overload operation under situation in bad order, reduce the danger of electronlmobil operation.
In one embodiment, entire car controller 60 also is used for writing to memory module 70 fault level of the operating state signal correspondence of electric system and closed-centre system transmission, the fault level relevant information that memory module 40 storage entire car controllers 60 write.Concrete, entire car controller 60 can write the corresponding relation of time of reception, operating state signal sender and fault level.Wherein, the operating state signal sender is above-mentioned electric system or closed-centre system.Thereby the inquiry of the fault that can be conveniently electric system and closed-centre system be taken place.
As shown in Figure 4, in one embodiment, above-mentioned electronlmobil fault processing system also comprises warning device 90.In the present embodiment, entire car controller 60 also is used for sending alarm command according to fault level to warning device 90.Warning device 90 is used for carrying out alarm according to alarm command.
Concrete, but the corresponding relation of memory module 40 storage failure grades and alarm command, entire car controller 60 is searched corresponding alarm command according to the fault level of electric system 80 and closed-centre system in the corresponding relation of fault level and alarm command, the alarm command that finds is sent to warning device.But memory module 40 is the alarm content of store alarms instruction correspondence also, and warning device 90 can extract corresponding alarm content according to the alarm command that receives, and shows or play the alarm content of extraction.
In the present embodiment, in case electric system or closed-centre system et out of order can send alarm in time.
In one embodiment, above-mentioned electronlmobil fault processing system also comprises installs the access module (not shown), be used for the local area network transceiver module to electric system monitor, closed-centre system monitor, electric system and entire car controller being installed respectively, the local area network transceiver module is linked into controller local area network, makes electric system monitor, closed-centre system monitor, electric system and entire car controller can receive and send messages by controller local area network each other.
Above-mentioned electronlmobil fault handling method and system, the electric system monitor obtains the running state of electric system according to the operation of predeterminated frequency monitoring electric system, sends corresponding operating state signal to entire car controller according to the running state of electric system; The closed-centre system monitor obtains the running state of closed-centre system according to the operation of predeterminated frequency monitoring closed-centre system, sends corresponding operating state signal to entire car controller according to the running state of closed-centre system; Entire car controller receives the operating state signal of electric system and closed-centre system transmission, resolves the operating state signal that receives, and searches the fault level of operating state signal correspondence, sends operating instruction according to fault level to electric system; Electric system moves according to operating instruction; Thereby said method and system can in time detect the fault of electric energy system and closed-centre system and control the electronlmobil operation according to fault level.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (6)
1. electronlmobil fault handling method may further comprise the steps:
The electric system monitor obtains the running state of electric system according to the operation of predeterminated frequency monitoring electric system, sends corresponding operating state signal to entire car controller according to the running state of electric system;
The closed-centre system monitor obtains the running state of closed-centre system according to the operation of predeterminated frequency monitoring closed-centre system, sends corresponding operating state signal to entire car controller according to the running state of closed-centre system;
Entire car controller receives the operating state signal of electric system and closed-centre system transmission, resolves the operating state signal that receives, and searches the fault level of operating state signal correspondence, sends operating instruction according to fault level to electric system;
Electric system moves according to operating instruction.
2. electronlmobil fault handling method according to claim 1 is characterized in that, described fault level comprises very major failure grade, major failure grade and than the major failure grade;
Describedly comprise to the step that electric system sends operating instruction according to fault level:
If the operating state signal correspondence that entire car controller receives is the major failure grade very, then entire car controller sends cutoff command immediately to electric system;
If the corresponding major failure grade of the operating state signal that entire car controller receives, then entire car controller is reduced to electric power to the electric system transmission 30% instruction;
If the operating state signal correspondence that entire car controller receives is than the major failure grade, then entire car controller is reduced to electric power to the electric system transmission 60% instruction.
3. electronlmobil fault handling method according to claim 1 is characterized in that, described method also comprises step:
Entire car controller sends alarm command according to fault level to warning device;
Warning device carries out alarm according to alarm command.
4. an electronlmobil fault processing system is characterized in that, comprising:
The electric system monitor is used for the operation according to predeterminated frequency monitoring electric system, obtains the running state of electric system, sends corresponding operating state signal to entire car controller according to the running state of electric system;
The closed-centre system monitor is used for the operation according to predeterminated frequency monitoring closed-centre system, obtains the running state of closed-centre system, sends corresponding operating state signal to entire car controller according to the running state of closed-centre system;
Entire car controller is used for the operating state signal that reception electric system and closed-centre system send, and resolves the operating state signal that receives, and searches the fault level of operating state signal correspondence, sends operating instruction according to fault level to electric system;
Electric system is used for moving according to operating instruction.
5. electronlmobil fault processing system according to claim 4 is characterized in that, described fault level comprises very major failure grade, major failure grade and than the major failure grade;
Entire car controller is used for if the unusual major failure grade of the operating state signal correspondence that receives then sends cutoff command immediately to electric system;
Entire car controller also is used for as if the corresponding major failure grade of the operating state signal that receives, and then to the electric system transmission electric power is reduced to 30% instruction;
Entire car controller also is used for if the operating state signal correspondence that receives than the major failure grade, then is reduced to electric power to the electric system transmission 60% instruction.
6. electronlmobil fault processing system according to claim 1 is characterized in that, described system also comprises warning device;
Entire car controller also is used for sending alarm command according to fault level to warning device;
Warning device is used for carrying out alarm according to alarm command.
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| CN2013101214145A CN103192738A (en) | 2013-04-09 | 2013-04-09 | Electric automobile fault handling method and system |
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| CN2013101214145A CN103192738A (en) | 2013-04-09 | 2013-04-09 | Electric automobile fault handling method and system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103481883A (en) * | 2013-09-24 | 2014-01-01 | 湖南南车时代电动汽车股份有限公司 | Vacuum boosting system and method of electric automobile |
| CN103770693A (en) * | 2014-02-18 | 2014-05-07 | 重庆五洲龙新能源汽车有限公司 | New-energy car circuit failure responding method and system |
| CN106338987A (en) * | 2016-11-28 | 2017-01-18 | 清华大学苏州汽车研究院（吴江） | Real-time fault diagnosis method and device |
| CN106385218A (en) * | 2016-11-23 | 2017-02-08 | 北京新能源汽车股份有限公司 | Method and device for controlling three-phase current fault of motor |
| CN106427667A (en) * | 2016-11-23 | 2017-02-22 | 北京新能源汽车股份有限公司 | Control method for motor, device and motor controller |
| CN106608257A (en) * | 2015-10-19 | 2017-05-03 | 北汽福田汽车股份有限公司 | Hybrid electric vehicle failure diagnosis and management method |
| CN106696709A (en) * | 2016-11-22 | 2017-05-24 | 北京新能源汽车股份有限公司 | Method and device for controlling DC bus voltage fault of vehicle |
| CN107139932A (en) * | 2017-05-27 | 2017-09-08 | 奇瑞汽车股份有限公司 | Communication diagnosing method applied to whole-control system |
| CN108016297A (en) * | 2016-10-31 | 2018-05-11 | 长城汽车股份有限公司 | Fault handling method, motor driven systems and the vehicle of motor driven systems |
| CN109283918A (en) * | 2018-10-30 | 2019-01-29 | 北京友信宏科电子科技股份有限公司 | Fault handling method and controller |
| CN110865275A (en) * | 2018-08-28 | 2020-03-06 | 盾安环境技术有限公司 | Bus fault state determination method and device |
| CN110968078A (en) * | 2019-12-28 | 2020-04-07 | 广州市番鸿汽车检测有限公司 | Electric automobile fault detection system |
| CN111435569A (en) * | 2019-01-15 | 2020-07-21 | 丰田自动车株式会社 | Vehicle control device and vehicle control method |
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| CN103481883B (en) * | 2013-09-24 | 2016-06-08 | 湖南南车时代电动汽车股份有限公司 | The vacuum boost system of a kind of electric automobile and method thereof |
| CN103481883A (en) * | 2013-09-24 | 2014-01-01 | 湖南南车时代电动汽车股份有限公司 | Vacuum boosting system and method of electric automobile |
| CN103770693A (en) * | 2014-02-18 | 2014-05-07 | 重庆五洲龙新能源汽车有限公司 | New-energy car circuit failure responding method and system |
| CN103770693B (en) * | 2014-02-18 | 2016-04-13 | 重庆五洲龙新能源汽车有限公司 | A kind of new forms of energy car fault countermeasure and system |
| CN106608257A (en) * | 2015-10-19 | 2017-05-03 | 北汽福田汽车股份有限公司 | Hybrid electric vehicle failure diagnosis and management method |
| CN108016297A (en) * | 2016-10-31 | 2018-05-11 | 长城汽车股份有限公司 | Fault handling method, motor driven systems and the vehicle of motor driven systems |
| CN106696709A (en) * | 2016-11-22 | 2017-05-24 | 北京新能源汽车股份有限公司 | Method and device for controlling DC bus voltage fault of vehicle |
| CN106385218B (en) * | 2016-11-23 | 2019-03-01 | 北京新能源汽车股份有限公司 | A kind of control method and device of motor three-phase current failure |
| CN106427667A (en) * | 2016-11-23 | 2017-02-22 | 北京新能源汽车股份有限公司 | Control method for motor, device and motor controller |
| CN106385218A (en) * | 2016-11-23 | 2017-02-08 | 北京新能源汽车股份有限公司 | Method and device for controlling three-phase current fault of motor |
| CN106338987A (en) * | 2016-11-28 | 2017-01-18 | 清华大学苏州汽车研究院（吴江） | Real-time fault diagnosis method and device |
| CN106338987B (en) * | 2016-11-28 | 2019-04-09 | 清华大学苏州汽车研究院（吴江） | A kind of method and device of real-time fault diagnosis |
| CN107139932A (en) * | 2017-05-27 | 2017-09-08 | 奇瑞汽车股份有限公司 | Communication diagnosing method applied to whole-control system |
| CN110865275A (en) * | 2018-08-28 | 2020-03-06 | 盾安环境技术有限公司 | Bus fault state determination method and device |
| CN109283918A (en) * | 2018-10-30 | 2019-01-29 | 北京友信宏科电子科技股份有限公司 | Fault handling method and controller |
| CN111435569A (en) * | 2019-01-15 | 2020-07-21 | 丰田自动车株式会社 | Vehicle control device and vehicle control method |
| CN110968078A (en) * | 2019-12-28 | 2020-04-07 | 广州市番鸿汽车检测有限公司 | Electric automobile fault detection system |
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Application publication date: 20130710 |