CN106708024A - Self detection method for whole-vehicle controller - Google Patents
Self detection method for whole-vehicle controller Download PDFInfo
- Publication number
- CN106708024A CN106708024A CN201710057214.6A CN201710057214A CN106708024A CN 106708024 A CN106708024 A CN 106708024A CN 201710057214 A CN201710057214 A CN 201710057214A CN 106708024 A CN106708024 A CN 106708024A
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- self
- inspection
- entire car
- car controller
- module
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a self detection method for a whole-vehicle controller of an electric vehicle. Based on the function of the whole-vehicle controller of the electric vehicle, the invention designs the self detection method for the whole-vehicle controller of the electric vehicle on the basis of the structure of the whole-vehicle controller by concluding and summarizing the structure of the whole-vehicle controller of the electric vehicle. The whole-vehicle controller starts a self-detection step when entering from a sleep mode into a wake-up mode and being waked up successfully; the self detection for the whole-vehicle controller comprises the following steps of: self detection of a storage module, self detection of an analog input module, self detection of a switching input module, self detection of a relay driving module and self detection of a CAN (Controller Area Network) bus module; and for different parts, corresponding self-detection strategies are used for self detection, corresponding self-detection results are processed, and different display lamps are used for prompting and warning. The self detection method disclosed by the invention has the advantages that the condition of the whole-vehicle controller can be effectively detected; and under the condition that the whole-vehicle controller is broken down, automatic processing and alarming display can be effectively achieved, so that the safe driving of the vehicle is guaranteed.
Description
Technical field
The present invention relates to electric vehicle engineering field, more particularly to a kind of vehicle control unit of electric vehicle self checking method.
Background technology
Electric automobile is one kind of new-energy automobile, receives much concern and welcomes because its is green, pollution-free.Electric automobile is whole
Vehicle controller, is the core control portions of electric automobile, and the work of controlled motor controller and battery management system is very heavy
Will.Vehicle control unit of electric vehicle self-inspection, is vehicle normally startup and the premise for working.Vehicle control unit of electric vehicle is mainly wrapped
Include analog input, On-off signal, relay driving output, CAN communication and memory, for entire car controller from
Inspection, mainly to above-mentioned part self-inspection, to ensure clean boot and the normally travel of vehicle.Due to the difference of entire car controller, and
Without too many on the research of entire car controller self checking method.
The content of the invention
It is an object of the invention to provide a kind of analog input based on entire car controller, On-off signal, relay
Output, CAN communication and the combination of memory relevant portion are driven, for different parts, is entered using corresponding self-inspection strategy
Row self-inspection, is processed corresponding self-detection result, and warning is pointed out by different display lamps, can effectively ensure that vehicle just
The vehicle control unit of electric vehicle self checking method for often starting and driving safely.
Solution of the invention is such：
A kind of vehicle control unit of electric vehicle self checking method, it is characterised in that：Including step：
（1）Self-inspection starting step：When entire car controller enters awakening mode by park mode, judge whether entire car controller calls out
Wake up, if entire car controller wakes up successfully, start self-inspection step；
（2）The self-inspection strategy of self-inspection step includes：
Memory module self-inspection step：Entire car controller detects to memory module state parameter, the memory module that will be detected
State parameter is compared with system configuration parameter；If wherein there is memory module state parameter inconsistent with system configuration parameter,
Entire car controller sends fault-signal, and yellow indicator lamp is bright, and vehicle enters S0 patterns, and current limliting is travelled；If whole state parameters
Consistent with system configuration, entire car controller is operated into next step；
Analog input mModule self-inspection step：Entire car controller is detected to Analog input mModule state parameter；If wherein
There is analog quantity state parameter exception, entire car controller sends fault-signal, and red led is bright, vehicle enters S1 patterns, exists side by side
Carve parking；If Analog input mModule state parameter is normal, entire car controller is operated into next step；
Switching input module self-inspection step：Entire car controller switch amount input module self-inspection step, entire car controller is split
Pass amount input module state parameter is detected, if wherein there is on-off state abnormal parameters, entire car controller sends failure letter
Number, red led is bright, and vehicle enters S1 patterns, and stops at once；If switching input module state parameter is normal, vehicle control
Device processed is operated into next step；
Relay driving module self-inspection step：Entire car controller is detected to relay driving module state parameter；If wherein
There is relay driving module state parameter exception, entire car controller sends fault-signal, and red led is bright, vehicle enters S1 moulds
Formula, and stop at once；If relay driving module state parameter is normal, entire car controller is operated into next step；
CAN module self-inspection step：Entire car controller receives CAN status signal, status information is analyzed, is located
Reason, judges whether CAN communication is normal；If wherein there is CAN status information exception, entire car controller sends failure letter
Number, red led is bright, and vehicle enters S1 patterns, and stops at once；If CAN module status information is normal, full-vehicle control
Device self-inspection is completed, and self-inspection passes through.
More specifically in self-inspection strategy of the technical scheme also including described self-inspection step, for the mould of entire car controller
Analog quantity input module, switching input module, relay driving module, CAN communication module, memory module carry out self-inspection.
Further：Described self-inspection starting step（1）The wake-up of entire car controller is switched at key signal OFF grades
What ACC grades or charging signals line occurred in the case of connecting.
Further：In the memory module self-inspection step, if memory module state parameter and system configuration parameter
It is inconsistent, it is allowed to which that vehicle walks on, but the driving states of vehicle cannot be preserved.
Further：In the Analog input mModule self-inspection step, Analog input mModule, switching input module are equal
It is input module interface, input module interface self-inspection judges whether input signal cable connects, whether input signal values are clear, have
Effect.
Further：In the relay driving module self-inspection step, relay driving module self-inspection is to judge relay
Drive control line whether connect.
Further：The CAN module self-inspection is whether detection low speed CAN reception transmission information high is normal.
Further：Judge that the method whether drive control line connects is：Relay is provided in drive control line one end to drive
The voltage signal of dynamic voltage half, the other end has detected whether voltage signal.
Further：The order of self-inspection is in the self-inspection strategy of described self-inspection step：Entire car controller wakes up successfully, whole
Vehicle controller carries out self-inspection to memory module, if memory module self-inspection passes through, entire car controller enters to Analog input mModule
Row self-inspection；If memory module fail self-test, entire car controller enters S0 patterns, vehicle current limliting traveling；If analog input mould
Block self-inspection passes through, then entire car controller switch amount input module carries out self-inspection；If Analog input mModule fail self-test, whole
Vehicle controller enters S1 patterns, and vehicle stops at once；If switching input module self-inspection passes through, entire car controller is to relay
Driving output module carries out self-inspection；If switching input module fail self-test, entire car controller enters S1 patterns, and vehicle is at once
Parking；If relay driving output module self-inspection passes through, entire car controller carries out self-inspection to CAN communication module；If after
Electrical equipment drive output module fail self-test, then into S1 patterns, vehicle stops entire car controller at once；The mould if CAN communicates
Block self-inspection passes through, then entire car controller self-inspection passes through；If relay driving output module fail self-test, entire car controller enters
S1 patterns, vehicle stops at once.
It is an advantage of the invention that the self-inspection strategy of entire car controller, analog input, switching value based on entire car controller
Input, relay driving output, CAN communication and the combination of memory relevant portion, for different parts, using corresponding
Self-inspection strategy carries out self-inspection, and corresponding self-detection result is processed, and warning, full-vehicle control are pointed out by different display lamps
The self-inspection strategy of device can effectively ensure that the normal startup and safety traffic of vehicle.
Brief description of the drawings
Fig. 1 is the flow chart of vehicle control unit of electric vehicle self checking method of the present invention.
Fig. 2 is vehicle control unit of electric vehicle block diagram of the present invention.
Specific embodiment
Fig. 1 is entire car controller self checking method flow chart of the invention, and in this method, fault-signal is using red
Shown with yellow trouble light, self-inspection flow chart is controlled as shown in Figure 1 to entire car controller structure shown in Fig. 2, controlled
Step is：
Electric automobile key signal switchs to ACC grades by OFF grades, and entire car controller starts to wake up.After entire car controller wakes up successfully,
Proceed by self-inspection.
Entire car controller judges whether memory module is normal, is ' being ' if memory module normally operation, into next step
Operation；If 'No', combination instrument yellow trouble light is lighted, vehicle current limliting traveling；, the not normal of memory module can't influence
The walking of vehicle, but because the driving states of vehicle cannot be preserved, should run at a low speed.
Entire car controller judges whether switching input module is normal, and access switch amount enters module self-inspection step operation, defeated
Enter module interface self-inspection and judge whether input signal cable connects, input signal values are clear, effective, if switching input module is normal
Operation is then ' being ', into next step operation；If 'No', combination instrument red-fault lamp is lighted, and vehicle stops at once, row
Except being ' being ' after failure, next step operation can be just carried out.
Entire car controller judges whether Analog input mModule is normal, into Analog input mModule self-inspection step operation,
Input module interface self-inspection judges whether input signal cable connects, and input signal values are clear, effective, if Analog input mModule is just
Often operation is then ' being ', into next step operation；If 'No', combination instrument red-fault lamp is lighted, and vehicle stops at once,
It is ' being ' after fixing a breakdown, can just carries out next step operation.
Entire car controller judges whether relay driving output module is normal, into disconnected relay driving output module self-inspection
Operation, relay driving module self-inspection is whether the drive control line for judging relay connects, and its method is：In drive control line
One end provides the voltage signal of relay driving voltage half, and the other end has detected whether voltage signal, if relay driving is defeated
It is then ' being ' to go out normal operation, into next step operation；If 'No', combination instrument red-fault lamp is lighted, and vehicle stops at once
Car, is ' being ' after fixing a breakdown, and can just carry out next step operation.
Entire car controller judges whether CAN module is normal, detects whether just low speed CAN high receives transmission information
Often, it is ' being ' if the normal operation of low speed CAN high communication, full-vehicle control self-inspection passes through, combination instrument green indicating lamp
Light；If 'No', combination instrument red-fault lamp is lighted, and vehicle stops at once, is ' being ', full-vehicle control after fixing a breakdown
Self-inspection passes through, and combination instrument green indicating lamp is lighted.
Claims (9)
1. a kind of vehicle control unit of electric vehicle self checking method, it is characterised in that：Including step：
Self-inspection starting step：When key signal switchs to ACC grades by OFF grades, entire car controller enters awakening mode by park mode,
Judge whether entire car controller wakes up, if entire car controller wakes up successfully, start self-inspection step；
The self-inspection strategy of self-inspection step includes：
Memory module self-inspection step：Entire car controller detects to memory module state parameter, the memory module that will be detected
State parameter is compared with system configuration parameter；If wherein there is memory module state parameter inconsistent with system configuration parameter,
Entire car controller sends fault-signal, and yellow indicator lamp is bright, and vehicle enters S0 patterns, and current limliting is travelled；If whole state parameters
Consistent with system configuration, entire car controller is operated into next step；
Analog input mModule self-inspection step：Entire car controller is detected to Analog input mModule state parameter, if wherein
There is analog quantity state parameter exception, entire car controller sends fault-signal, and red led is bright, vehicle enters S1 patterns, exists side by side
Carve parking；If Analog input mModule state parameter is normal, entire car controller is operated into next step；
Switching input module self-inspection step：Entire car controller switch amount input module self-inspection step, entire car controller is split
Pass amount input module state parameter is detected, if wherein there is on-off state abnormal parameters, entire car controller sends failure letter
Number, red led is bright, and vehicle enters S1 patterns, and stops at once；If switching input module state parameter is normal, vehicle control
Device processed is operated into next step；
Relay driving module self-inspection step：Entire car controller is detected to relay driving module state parameter；If wherein
There is relay driving module state parameter exception, entire car controller sends fault-signal, and red led is bright, vehicle enters S1 moulds
Formula, and stop at once；If relay driving module state parameter is normal, entire car controller is operated into next step；
CAN module self-inspection step：Entire car controller receives CAN status signal, status information is analyzed, is located
Reason, judges whether CAN communication is normal；If wherein there is CAN status information exception, entire car controller sends failure letter
Number, red led is bright, and vehicle enters S1 patterns, and stops at once；If CAN module status information is normal, full-vehicle control
Device self-inspection is completed, and self-inspection passes through.
2. vehicle control unit of electric vehicle self checking method according to claim 1, it is characterised in that：Described self-inspection step
Self-inspection strategy in, Analog input mModule, switching input module, relay driving module for entire car controller,
CAN communication module, memory module carry out self-inspection.
3. vehicle control unit of electric vehicle self checking method according to claim 1, it is characterised in that：Described self-inspection starts
Step（1）The wake-up of entire car controller, can also occur in the case where charging signals line is connected.
4. vehicle control unit of electric vehicle self checking method according to claim 1, it is characterised in that：The memory module is certainly
In inspection step, if memory module state parameter and system configuration parameter are inconsistent, it is allowed to which vehicle walks on, but cannot protect
The driving states of bicycle parking.
5. vehicle control unit of electric vehicle self checking method according to claim 1, it is characterised in that：The analog input
In module self-inspection step, Analog input mModule, switching input module are input module interface, input module interface self-inspection
Judge whether input signal cable connects, whether input signal values are clear, effective.
6. vehicle control unit of electric vehicle self checking method according to claim 1, it is characterised in that：The relay driving
In module self-inspection step, relay driving module self-inspection is whether the drive control line for judging relay connects.
7. vehicle control unit of electric vehicle self checking method according to claim 1, it is characterised in that：The CAN mould
Block self-inspection is whether detection low speed CAN reception transmission information high is normal.
8. vehicle control unit of electric vehicle self checking method according to claim 6, it is characterised in that：Judge drive control line
Whether the method for connecting is：The voltage signal of relay driving module voltage half, the other end are given in drive control line one end
Voltage signal is detected whether.
9. vehicle control unit of electric vehicle self checking method according to claim 2, it is characterised in that：Described self-inspection step
Self-inspection strategy in the order of self-inspection be：Entire car controller wakes up successfully, and entire car controller carries out self-inspection to memory module, if depositing
Storage module self-inspection passes through, then entire car controller carries out self-inspection to Analog input mModule；If memory module fail self-test, vehicle
Controller enters S0 patterns, vehicle current limliting traveling；If Analog input mModule self-inspection passes through, entire car controller switch amount is defeated
Entering module carries out self-inspection；If Analog input mModule fail self-test, entire car controller enters S1 patterns, and vehicle stops at once；
If switching input module self-inspection passes through, entire car controller carries out self-inspection to relay driving output module；If switching value is defeated
Enter module fail self-test, then entire car controller enters S1 patterns, vehicle stops at once；If the self-inspection of relay driving output module is led to
Cross, then entire car controller carries out self-inspection to CAN communication module；If relay driving output module fail self-test, vehicle
Controller enters S1 patterns, and vehicle stops at once；If CAN communication module self-inspection passes through, entire car controller self-inspection passes through；
If relay driving output module fail self-test, entire car controller enters S1 patterns, and vehicle stops at once.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710057214.6A CN106708024A (en) | 2017-01-26 | 2017-01-26 | Self detection method for whole-vehicle controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710057214.6A CN106708024A (en) | 2017-01-26 | 2017-01-26 | Self detection method for whole-vehicle controller |
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| CN106708024A true CN106708024A (en) | 2017-05-24 |
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| CN201710057214.6A Pending CN106708024A (en) | 2017-01-26 | 2017-01-26 | Self detection method for whole-vehicle controller |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107193276A (en) * | 2017-07-10 | 2017-09-22 | 无锡赛盈动力科技有限公司 | The quality detecting method and quality inspection device of a kind of controller for electric vehicle |
| CN108733032A (en) * | 2018-06-05 | 2018-11-02 | 北京智行者科技有限公司 | The self checking method of vehicle |
| CN109278675A (en) * | 2018-09-06 | 2019-01-29 | 南京越博动力系统股份有限公司 | A kind of entire car controller self checking method of pure electric automobile |
| CN111907532A (en) * | 2020-07-30 | 2020-11-10 | 中国第一汽车股份有限公司 | Reminding method, device, equipment and storage medium |
| CN113119885A (en) * | 2019-12-30 | 2021-07-16 | 观致汽车有限公司 | Vehicle control unit abnormality detection method for electric vehicle and electric vehicle |
| CN113311767A (en) * | 2021-06-04 | 2021-08-27 | 上海骋驿信息科技有限公司 | Whole car intelligent electronic system design system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107193276A (en) * | 2017-07-10 | 2017-09-22 | 无锡赛盈动力科技有限公司 | The quality detecting method and quality inspection device of a kind of controller for electric vehicle |
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| CN109278675A (en) * | 2018-09-06 | 2019-01-29 | 南京越博动力系统股份有限公司 | A kind of entire car controller self checking method of pure electric automobile |
| CN113119885A (en) * | 2019-12-30 | 2021-07-16 | 观致汽车有限公司 | Vehicle control unit abnormality detection method for electric vehicle and electric vehicle |
| CN111907532A (en) * | 2020-07-30 | 2020-11-10 | 中国第一汽车股份有限公司 | Reminding method, device, equipment and storage medium |
| CN113311767A (en) * | 2021-06-04 | 2021-08-27 | 上海骋驿信息科技有限公司 | Whole car intelligent electronic system design system |
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