CN106965678B - A kind of new energy vehicle management system based on entire car controller VMS - Google Patents
A kind of new energy vehicle management system based on entire car controller VMS Download PDFInfo
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- CN106965678B CN106965678B CN201710223380.9A CN201710223380A CN106965678B CN 106965678 B CN106965678 B CN 106965678B CN 201710223380 A CN201710223380 A CN 201710223380A CN 106965678 B CN106965678 B CN 106965678B
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- entire car
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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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
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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
-
- 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
-
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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 relates to technical field of new energy; especially a kind of new energy vehicle management system based on entire car controller VMS; including entire car controller; entire car controller controls current distribution unit PDU and motor MCU respectively; entire car controller also includes BMU module; BMU module connects multiple CSC modules, and CSC module is used to carry out charge and discharge monitoring management and protection to the single power battery in battery modules.BMU module of the invention detects the out-put supply that battery modules can be just cut off when first control signal and effective second control signal, in this way in key-off, entire car controller can just power off after the completion of critical data storage, guarantee the stability of whole-control system function, meanwhile BMU module can postpone power off time, single power battery will not stop giving CSC module for power supply, CSC module detects the voltage that single power battery gos up, and it is more accurate that such CSC module obtains voltage data.
Description
Technical field
The present invention relates to technical field of new energy, especially a kind of new energy vehicle based on entire car controller VMS
Management system.
Background technique
With the increasingly depleted of Global Oil resource and to the raising of emission request, the more economical ring of conventional vehicle is compared
The new-energy automobile of guarantor at major automobile vendor design focal point.By low power consuming, the characteristic of no pollution, hybrid vehicle
Or pure electric automobile becomes the primary selection of numerous automobile vendors.
For hybrid power or pure electric automobile, vehicle control unit controls vehicle dynamical system and other important sons
Component is related to the safety and efficiency of vehicle.In Full Vehicle System, in order to reduce quiescent current, small storage battery power shortage is prevented, when whole
When electric under vehicle system, entire car controller need to enter dormant state, to reduce oneself power consumption.When into dormant state, full-vehicle control
For being electrically cut off, the data stored in volatile storage RAM will be unable to save the primary processor (CPU) of device.To prevent error code, freeze
Frame is tied, the critical datas such as scalar quantity are lost, and need for the series data to be transferred to before entire car controller enters dormant state non-easy
The property lost storage after powering on as reloaded in RAM, to realize the consistency of data in FLASH ROM or EEPROM.Therefore it need to mention
For a solution, in key-off, entire car controller will not cut off the power immediately, a period of time still be kept, to key
Power down again after the completion of data storage, to guarantee the integrality of whole-control system function.
For currently existing scheme generally by increasing switching tube in power supply front end, primary processor participates in switch controlled, pending data
It is finally disconnected by primary processor control switch pipe again after the completion of storage, to realize the lower electricity of delay.This kind of scheme increase cost and
Power consumption, while also increasing failure risk.
Furthermore existing voltage check device just powers off after electric door lock closing, and single power battery stops in dynamical system
Voltage can be gone up after only operating, and detection device can't detect the voltage of rise, the actually detected electricity arrived of such detection device
Pressure data have relatively large deviation.
Current distribution unit PDU can stablize the electricity of output end in the case where input terminal voltage fluctuates in the prior art
Pressure due to being lifted voltage, can reduce the loss of electric machine in forward direction boosting, and it reversed is depressured the vehicle system of can be achieved
Energy regenerating when dynamic, a set of reasonable and effective whole-control system are just particularly important.
Summary of the invention
The purpose of the present invention is overcoming defect of the existing technology, a kind of new energy based on entire car controller VMS is provided
Source vehicle management system solves the problems, such as that the critical data of existing vehicle management system is easy to be lost and system performance is low.
In order to achieve the object of the present invention, used technical solution is:
New energy vehicle management system based on entire car controller VMS of the invention includes entire car controller, including vehicle
Controller, the entire car controller include BMU module, and the entire car controller controls current distribution unit PDU and electricity respectively
Machine MCU and current distribution unit PDU is connected with motor MCU, management of the BMU module for battery modules control, the electricity
Stream assignment unit PDU is used for high voltage power distribution management, and for the motor MCU for controlling driving motor, the BMU module connection is multiple
CSC module, the CSC module are used to carry out charge and discharge monitoring management and protection, institute to the single power battery in battery modules
It states CSC module to detect the voltage of corresponding single power battery and be sent to the entire car controller after filtering, when described whole
When vehicle controller receives key-off signal, the entire car controller starts to carry out critical data storage, sends out after the completion of storage
Send first control signal to the BMU module, while the entire car controller is to the electricity of each single power battery received
It presses signal to carry out logic judgment, second control signal is sent after voltage signal is stablized to the BMU module, the BMU module
When detecting first control signal and effective second control signal, the BMU module cuts off the output electricity of the battery modules
Source.
The power interface terminal of the current distribution unit PDU of the present invention power end with battery modules, motor MCU respectively
Be connected with realize the electric energy between battery modules and motor MCU transmit, the entire car controller to motor MCU issue order with
While controlling driving motor, which is sent to current distribution unit PDU, when driving motor MCU controls motor driven,
Current distribution unit PDU enters positive boost mode, by voltage class needed for the voltage increase of battery modules to motor MCU,
Motor MCU is supplied electricity at this time, and when motor MCU control motor carries out auxiliary braking, current distribution unit PDU enters reversed decompression
The voltage that motor MCU power generation generates is dropped to corresponding voltage class and charged to battery modules by mode, when motor MCU controls electricity
When machine is in idle, current distribution unit PDU enters idle mode, and current distribution unit PDU is in real time to the work of its own
State is monitored, and when monitoring that current distribution unit PDU breaks down, current distribution unit PDU enters fault mode,
And other operating modes can only be entered and fault mode could be removed by re-powering to current distribution unit PDU.
When CSC module of the present invention detects that the single power battery enters under-voltage condition, pass through vehicle manager
Issue alarm signal.
After current distribution unit PDU of the present invention enters fault mode, alarm signal is issued by vehicle manager.
The electric current of its power interface terminal of current distribution unit PDU periodic reading of the present invention, once detect electricity
The current value of source interface terminal is more than the maximum current value allowed, just by corresponding overcurrent fault flag set, and it is right
The count value of corresponding overcurrent failure accumulator is carried out plus is counted；When the current value of power interface terminal drops to permission
After in range, corresponding overcurrent fault flag is reset, and to the count value of corresponding overcurrent failure accumulator
It carries out subtracting counting；When the count value of overcurrent failure accumulator reaches setting limit value, current distribution unit PDU enters failure
Mode.
The voltage of its power interface terminal of current distribution unit PDU periodic reading of the present invention, once detect electricity
The voltage value of source interface terminal is more than the maximum voltage value allowed, just by corresponding electric voltage over press fault flag set, and it is right
The count value of corresponding electric voltage over press failure accumulator is carried out plus is counted；When the voltage value of power interface terminal drops to permission
After in range, corresponding electric voltage over press fault flag is reset, and to the count value of corresponding electric voltage over press failure accumulator
It carries out subtracting counting；When the count value of electric voltage over press failure accumulator reaches setting limit value, current distribution unit PDU enters failure
Mode.
New energy vehicle management system of the present invention further includes ABS system, and the ABS system provides vehicle wheel rotational speed, liquid
Press the status information of system status information and brake valve to the entire car controller, in automobile brake, the entire car controller
Wheel lock up is prevented by the size that ABS system automatically controls brake force.
New energy vehicle management system of the present invention further includes lighting indication system, and the lighting indication system passes through IO
Port is connect with the entire car controller or the lighting indication system is connect by CAN bus with the entire car controller.
New energy vehicle management system of the present invention further includes braking electric generating devcie again, and electric generating devcie exists again for the braking
It produces electricl energy and wheel braking moment when braking by wheel dragging motor, turns part kinetic energy while slowing down car speed
Electric energy is turned to, regenerative electric energy is stored into the battery modules by the braking regeneration electric installation.
The beneficial effect of new energy vehicle management system based on entire car controller VMS of the invention is:
1, BMU module of the invention, which detects, can just cut off battery when first control signal and effective second control signal
The out-put supply of mould group, in this way in key-off, entire car controller will not cut off the power immediately, still keep a period of time, to
It can just be powered off after the completion of critical data storage, to guarantee the stability of whole-control system function, meanwhile, when dynamical system stops
After operation, BMU module can postpone power off time, and battery modules will not stop giving CSC module for power supply, and CSC module can be with
Detect the voltage that single power battery gos up, such CSC module acquisition voltage data is more accurate, and entire car controller is according to acquisition
Voltage data can more accurately carry out under-voltage protection, improve the utilization rate and travel safety of the energy；
2, the mode control method of current distribution unit PDU of the invention distinguishes positive boosting with different operating modes
The working condition being reversely depressured, by the monitoring to whole vehicle state, switch mode controls current distribution unit PDU in real time
Working condition so that the reliability of dynamical system is higher.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the functional block diagram of the new energy vehicle management system based on entire car controller VMS of the present embodiment；
Fig. 2 is the connection relationship diagram of the BMU module of the present embodiment.
Wherein: entire car controller 1, BMU module 2, motor MCU3, current distribution unit PDU4, battery modules 5, CSC module
6, ABS system 8, lighting indication system 9.
Specific embodiment
In the description of the present invention, it is to be understood that, term " radial direction ", " axial direction ", "upper", "lower", "top", "bottom",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.In the description of the present invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or integrally connected；It can be with
It is to be connected directly, it can also be indirectly connected through an intermediary.It for the ordinary skill in the art, can be according to tool
Body situation understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figs. 1-2, the new energy vehicle management system based on entire car controller VMS of the present embodiment includes vehicle control
Device 1 processed, entire car controller 1 control current distribution unit PDU4 and motor MCU3 respectively and current distribution unit PDU4 and motor
MCU3 is connected, and current distribution unit PDU4 provides voltage and current, motor MCU3 for high voltage power distribution management and to sub- power module
For controlling driving motor, entire car controller 1 carries out coordinated control management to current distribution unit PDU4 and motor MCU3.
In order to improve the security and stability of new-energy automobile, the entire car controller 1 of this implementation includes BMU module 2, BMU
Management of the module 2 for battery modules 5 controls, and BMU module 2 connects multiple CSC modules, and CSC module is used for in battery modules 5
Single power battery carry out charge and discharge monitoring management and protection, CSC module 6 and detect the voltage of corresponding single power battery simultaneously
Entire car controller 1 is sent to after filtering, when entire car controller 1 receives key-off signal, entire car controller 1 start into
The storage of row critical data sends first control signal to BMU module 2 after the completion of storage, while entire car controller 1 is to receiving
The voltage signal of each single power battery carries out logic judgment, sends after the voltage signal of each single power battery is stablized
Second control signal is to BMU module 2, when BMU module 2 detects first control signal and effective second control signal, BMU mould
The out-put supply of the cutting battery modules 5 of block 2.
In this way in key-off, entire car controller 1 will not cut off the power immediately, a period of time still be kept, to crucial number
According to can just be powered off after the completion of storage, to guarantee the stability of whole-control system function, meanwhile, when dynamical system is out of service
Afterwards, BMU module 2 can postpone power off time, and battery modules 5 will not stop powering to CSC module 6, and CSC module 6 can be with
It detects the voltage that battery modules 5 are gone up, just cuts off the power when the voltage recovery of battery modules 5 is to steady state, such CSC
The acquisition voltage data of module 6 is more accurate, and entire car controller 1 can more accurately carry out under-voltage guarantor according to the voltage data of acquisition
Shield, improves the utilization rate and travel safety of the energy.
In addition, the entire car controller 1 of the present embodiment can analyze the voltage signal that processing CSC module 6 is sent in real time and sentence
Whether the voltage of disconnected battery modules 5 is lower than critical value, when entire car controller 1 judges the voltage of battery modules 5 lower than critical value,
Entire car controller 1 controls motor by motor MCU3 and shuts down, and simultaneously closes off other electrical systems, and entire car controller 1 starts
It carries out carrying out critical data storage, first control signal is sent after the completion of storage to BMU module 2, while entire car controller 1 docks
The voltage signal received carries out logic judgment, sends second control signal after the voltage signal of each single power battery is stablized
To BMU module 2, when BMU module 2 detects first control signal and effective second control signal, BMU module 2 cuts off battery
The out-put supply of mould group 5, may be implemented the under-voltage protection of new-energy automobile in this way, and BMU module detects that battery modules 5 enter and owes
When pressure condition, alarm signal is issued by vehicle manager.
The power interface terminal of the current distribution unit PDU4 of the present embodiment electricity with battery modules 5, motor MCU3 respectively
Source is connected to realize that the electric energy between battery modules 5 and motor MCU3 transmits, and entire car controller 1 is issuing life to motor MCU3
While order to control driving motor, which is sent to current distribution unit PDU4, when driving motor MCU3 controls motor
When driving, current distribution unit PDU4 enters positive boost mode, will be needed for the voltage increase of battery modules 5 to motor MCU3
Voltage class supplies electricity to motor MCU3 at this time, when motor MCU3 control motor carries out auxiliary braking, current distribution unit PDU4
Into reversed decompression mode, the voltage that motor MCU3 power generation generates is dropped into corresponding voltage class and is charged to battery modules 5, when
When motor MCU3 controls motor in the free time, current distribution unit PDU4 enters idle mode, and current distribution unit PDU4 is real-time
Ground is monitored the working condition of its own, when monitoring that current distribution unit PDU4 breaks down, current distribution unit
PDU4 enters fault mode, and can only enter and fault mode could be removed by re-powering to current distribution unit PDU4
Other operating modes after current distribution unit PDU4 enters fault mode, issue alarm signal by vehicle manager.
The mode control method of current distribution unit PDU4 distinguishes positive boosting and reversed drop with different operating modes
The working condition of pressure, by the monitoring to whole vehicle state, switch mode controls the work of current distribution unit PDU4 in real time
State, so that the reliability of dynamical system is higher.
Further, the electric current of its power interface terminal of current distribution unit PDU4 periodic reading, once detect electricity
The current value of source interface terminal is more than the maximum current value allowed, just by corresponding overcurrent fault flag set, and it is right
The count value of corresponding overcurrent failure accumulator is carried out plus is counted；When the current value of power interface terminal drops to permission
After in range, corresponding overcurrent fault flag is reset, and to the count value of corresponding overcurrent failure accumulator
It carries out subtracting counting；When the count value of overcurrent failure accumulator reaches setting limit value, current distribution unit PDU4 enters event
Barrier mode.
Further, the voltage of its power interface terminal of current distribution unit PDU4 periodic reading, once detect electricity
The voltage value of source interface terminal is more than the maximum voltage value allowed, just by corresponding electric voltage over press fault flag set, and it is right
The count value of corresponding electric voltage over press failure accumulator is carried out plus is counted；When the voltage value of power interface terminal drops to permission
After in range, corresponding electric voltage over press fault flag is reset, and to the count value of corresponding electric voltage over press failure accumulator
It carries out subtracting counting；When the count value of electric voltage over press failure accumulator reaches setting limit value, current distribution unit PDU4 enters event
Barrier mode.
The new energy vehicle management system of the present embodiment further includes ABS system 8, and ABS system 8 provides vehicle wheel rotational speed, hydraulic
The status information of system status information and brake valve is to entire car controller 1, and in automobile brake, entire car controller 1 passes through ABS system
The size of 8 automatic control brake force of system prevents wheel lock up.
The new energy vehicle management system of the present embodiment further includes lighting indication system 9, and lighting indication system 9 passes through the end IO
Mouth is connect with entire car controller 1 or lighting indication system 9 is connect by CAN bus with entire car controller 1.
The new energy vehicle management system of the present embodiment further includes braking electric generating devcie again, and electric generating devcie is being braked again for braking
When produced electricl energy and wheel braking moment by wheel dragging motor, convert part kinetic energy to while slowing down car speed
Regenerative electric energy is stored into battery modules 5 by electric energy, braking regeneration electric installation.
It should be appreciated that described above, the specific embodiments are only for explaining the present invention, is not intended to limit the present invention.By
The obvious changes or variations that spirit of the invention is extended out are still in the protection scope of this invention.
Claims (9)
1. a kind of new energy vehicle management system based on entire car controller VMS, including entire car controller (1), the vehicle control
Device (1) processed controls current distribution unit PDU (4) and motor MCU (3) respectively, and the current distribution unit PDU (4) is used for high pressure
Distribution management, for the motor MCU (3) for controlling driving motor, the entire car controller (1) includes BMU module (2), institute
The management that BMU module (2) are stated for battery modules (5) controls, and the BMU module (2) connects multiple CSC modules (6), described
CSC module (6) is used to carry out charge and discharge monitoring management to the single power battery in battery modules (5) and protection, feature exist
In: the CSC module (6) detects the voltage of corresponding single power battery and is sent to the entire car controller after filtering
(1), when the entire car controller (1) receives key-off signal, the entire car controller (1) starts to carry out critical data
Storage sends first control signal to the BMU module (2) after the completion of storage, while the entire car controller (1) is to receiving
Each single power battery voltage signal carry out logic judgment, after each single power battery voltage signal stablize after send out
Send second control signal to the BMU module (2), the BMU module (2) detects first control signal and second control signal
When effective, the BMU module (2) cuts off the out-put supply of the battery modules (5).
2. the new energy vehicle management system according to claim 1 based on entire car controller VMS, it is characterised in that: institute
State current distribution unit PDU (4) power interface terminal be connected respectively with the power end of battery modules (5), motor MCU (3) with
Realize that the electric energy between battery modules (5) and motor MCU (3) transmits, the entire car controller (1) issues to motor MCU (3)
While order is to control driving motor, which is sent to current distribution unit PDU (4), when motor MCU (3) control electricity
When machine drives, current distribution unit PDU (4) enters positive boost mode, by the voltage increase of battery modules (5) to motor MCU
(3) voltage class needed for supplies electricity to motor MCU (3) at this time, when motor MCU (3) control motor carries out auxiliary braking, electricity
Stream assignment unit PDU (4) enters reversed decompression mode, and the voltage that motor MCU (3) power generation generates is dropped to corresponding voltage class
It charges to battery modules (5), when motor MCU (3) control motor is in idle, current distribution unit PDU (4) enters idle mould
Formula, current distribution unit PDU (4) are in real time monitored the working condition of its own, when monitoring current distribution unit PDU
(4) when breaking down, current distribution unit PDU (4) enters fault mode, and can only be by giving current distribution unit PDU (4)
Fault mode could be removed and enter other operating modes by re-powering.
3. the new energy vehicle management system according to claim 1 based on entire car controller VMS, it is characterised in that: institute
When stating CSC module and detecting that the single power battery enters under-voltage condition, passes through vehicle manager and issue alarm signal.
4. the new energy vehicle management system according to claim 1 based on entire car controller VMS, it is characterised in that: institute
It states after current distribution unit PDU (4) enters fault mode, passes through vehicle manager and issue alarm signal.
5. the new energy vehicle management system according to claim 1 based on entire car controller VMS, it is characterised in that: institute
The electric current of its power interface terminal of current distribution unit PDU (4) periodic reading is stated, once detect the electricity of power interface terminal
Flow valuve is more than the maximum current value allowed, just by corresponding overcurrent fault flag set, and to corresponding overcurrent
The count value of failure accumulator is carried out plus is counted；After the current value of power interface terminal drops in the range of permission, by phase
The overcurrent fault flag answered is reset, and carries out subtracting counting to the count value of corresponding overcurrent failure accumulator；When
When the count value of overcurrent failure accumulator reaches setting limit value, current distribution unit PDU (4) enters fault mode.
6. the new energy vehicle management system according to claim 1 based on entire car controller VMS, it is characterised in that: institute
The voltage of its power interface terminal of current distribution unit PDU (4) periodic reading is stated, once detect the electricity of power interface terminal
Pressure value is more than the maximum voltage value allowed, just by corresponding electric voltage over press fault flag set, and to corresponding electric voltage over press
The count value of failure accumulator is carried out plus is counted；After the voltage value of power interface terminal drops in the range of permission, by phase
The electric voltage over press fault flag answered is reset, and carries out subtracting counting to the count value of corresponding electric voltage over press failure accumulator；When
When the count value of electric voltage over press failure accumulator reaches setting limit value, current distribution unit PDU (4) enters fault mode.
7. the new energy vehicle management system according to claim 1 based on entire car controller VMS, it is characterised in that: institute
Stating new energy vehicle management system further includes ABS system (8), and the ABS system (8) provides vehicle wheel rotational speed, hydraulic system state
Information and the status information of brake valve give the entire car controller (1), and in automobile brake, the entire car controller (1) passes through
The size that ABS system (8) automatically controls brake force prevents wheel lock up.
8. the new energy vehicle management system according to claim 1 based on entire car controller VMS, it is characterised in that: institute
Stating new energy vehicle management system further includes lighting indication system (9), the lighting indication system (9) by I/O port with it is described
Entire car controller (1) connection or the lighting indication system (9) are connect by CAN bus with the entire car controller (1).
9. the new energy vehicle management system according to claim 1 based on entire car controller VMS, it is characterised in that: institute
Stating new energy vehicle management system further includes braking electric generating devcie again, and electric generating devcie is dragged in braking by wheel again for the braking
Dynamic motor produces electricl energy and wheel braking moment, converts electric energy, the system for part kinetic energy while slowing down car speed
Regenerative electric energy is stored into the battery modules (5) by dynamic regeneration electric installation.
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| CN201710223380.9A CN106965678B (en) | 2017-04-07 | 2017-04-07 | A kind of new energy vehicle management system based on entire car controller VMS |
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| CN107585032A (en) * | 2017-08-10 | 2018-01-16 | 清华大学 | The electric system of electric automobile |
| CN110047527B (en) * | 2019-04-22 | 2021-01-08 | 中国科学院电工研究所 | Motor drive system running state data storage circuit |
| JP7452981B2 (en) * | 2019-11-05 | 2024-03-19 | 株式会社小松製作所 | Display control system, work machine, and display control method |
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