CN106314183B - A kind of Control of Electric Vehicles method based on double super capacitor energy management systems - Google Patents
A kind of Control of Electric Vehicles method based on double super capacitor energy management systems Download PDFInfo
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- CN106314183B CN106314183B CN201610811844.3A CN201610811844A CN106314183B CN 106314183 B CN106314183 B CN 106314183B CN 201610811844 A CN201610811844 A CN 201610811844A CN 106314183 B CN106314183 B CN 106314183B
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- super capacitor
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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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/40—Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
-
- 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
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
-
- 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
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/44—Control modes by parameter estimation
-
- 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
Abstract
The present invention provides a kind of Control of Electric Vehicles methods based on double super capacitor energy management systems, computer module in double super capacitor energy management systems detects electric car operating status by driving status module, by judging that operating status carries out system control.Wherein, double super capacitor energy management systems include battery, super capacitor 1, super capacitor 2, computer module, driving status module, motor control module and motor, discharge resistance.The present invention is by two super capacitors, and when compensating for only one super capacitor, the deficiency that excess energy cannot recycle completely under certain operating statuses avoids energy waste；Pass through charge and discharge control, make in two super capacitors, one can carry out electric energy recycling in empty electricity at any time, another, which is then in full electricity, to provide required high current at any time for motor, the probability that capacitor participates in system work is improved, battery life is extended and makes the more efficient operation of system.
Description
Technical field
The invention belongs to electric vehicle engineering fields, and in particular to a kind of novel based on double super capacitor energy managements system
The Control of Electric Vehicles method of system.
Background technique
It is influenced by energy crisis and environmental problem, electric car enters the high-speed developing period in recent years.Electronic vapour
Vehicle uses clean electric energy, can effectively alleviate the pressure of environment and resource, and more and more people select purchase electric car.
And the efficient utilization to electric energy how is realized in electric car use, it is one of the key problem in electric vehicle engineering field.
During electric automobile during traveling, when needing anxious acceleration or going up a slope, the motor for providing kinetic energy needs biggish driving
Electric current, if individually being powered by battery at this time, excessive electric current output will cause battery shortening；When need slow down or under
When slope, motor is in generating state, and when high revolving speed can generate very big current feedback, if directly will cause electricity by battery recycling
The damage in pond.The appearance of super capacitor then can be solved these problems preferably.
It is at present more advanced electric automobile energy management system by the compound energy system that " battery-super capacitor " is constituted
System.Battery energy density is very big, but is limited by electrochemical reaction speed, quickly cannot absorb or discharge and is high-power；And
Super capacitor power density is big, can absorb or discharge in a short time relatively high power, provide buffering for other equipment.The two collocation
It uses, performance complement, extends battery: the main energy of battery storage, be responsible for relatively small electric current output；It is super
Capacitor can be responsible for high-power, the high current that power generation generates when snubber motor runs at high speed, and can also provide electric car
Larger current needed for motor when accelerating or climbing.But under certain operating statuses, such as when long range descending, super capacitor
Capacity is limited, it may not be possible to preferably carry out energy regenerating, will cause certain energy waste, run counter to and efficiently utilize principle；
Or in such as automobilism, in fact it could happen that super capacitor energy consumption is complete, but deceleration descending is not undergone to charge to super capacitor
The case where, if being accelerated again at this time, energy is insufficient in super capacitor, will be supplied from the independent high current of battery system to motor
Electricity can damage battery, reduce battery life.It therefore, can be in conventional battery-super capacitor if adding a set of super capacitor
The energy is further recycled on the basis of compound energy system, the collocation of two sets of super capacitors uses, and can be used as a kind of more efficient
Electric automobile energy management system.
Summary of the invention
Technical problems to be solved
For solve existing " battery-super capacitor " constitute compound energy system existing in some cases super capacitor without
The problem of method participates in energy regenerating or provides energy, the present invention provides a kind of electricity based on double super capacitor energy management systems
Electrical automobile control method, by increasing the double of a set of super capacitor on the basis of original " battery-super capacitor " compound energy
Super capacitor energy management system can more efficiently protect the battery system of electric car, improve the traveling of electric car
Performance and energy recovery efficiency.
Technical solution
A kind of Control of Electric Vehicles method based on double super capacitor energy management systems, it is characterised in that: double super electricity
The computer module held in energy management system detects electric car operating status by driving status module, is run by judgement
State carries out system control；Double super capacitor energy management systems include battery, super capacitor 1, super capacitor 2, meter
Calculation machine module, driving status module, motor control module and motor, discharge resistance；
Wherein, battery is powered for storing electric energy, and to super capacitor 1 and motor control module；Super capacitor 1 and super
Capacitor 2 is powered for storing and recycling electric energy, and to battery and motor control module；Motor control module is used for commutation inversion simultaneously
Control motor speed；Driving status module is sent to computer module for acquiring vehicle driving state；Computer module pair
Other each modules carry out signal detection and data processing, and issue control signal to other modules；Discharge resistance is super for absorbing
The energy of grade capacitor；
The specific control method of different operating statuses is as follows:
1) when automobile starting: battery is the charging of super capacitor 1, so that the two can supply simultaneously for motor control module
Electricity；
2) when vehicle starting, acceleration, going up a slope: computer module detects super capacitor 2, if in super capacitor 2
In can power supply state, then by super capacitor 2 and battery jointly give motor control module power；Otherwise, by super capacitor 1 and electricity
Motor control module power supply is given in pond jointly, with high current needed for meeting motor；
3) when automobile drives at a constant speed: individually being powered to motor control module by battery, computer module is super to two
Capacitor is detected, if two super capacitors are state to be charged, battery charges to super capacitor 1；
4) when automobile brake, descending: motor is in generating state, and computer module examines two super capacitors
Survey, if super capacitor 1 be in can power supply state, the electric energy of motor, super capacitor 1 are recycled by super capacitor 2 and charged to battery；
Otherwise it is charged the battery by electric energy, super capacitor 2 that super capacitor 1 recycles motor；
If the full electricity of the super capacitor for recycling electric energy during braking descending, changes and recycles electric energy by another super capacitor,
The super capacitor of full electricity charges the battery, and guaranteeing two super capacitors, at least one is in the shape that can recycle electric energy at any time
State；
5) when automobile is in flameout state: computer module controls two super capacitors and successively charges the battery；
6) when automobile is in parking checking or maintenance: computer module controls two super capacitors and puts to discharge resistance
Electricity, to guarantee personal safety when being operated.
Beneficial effect
A kind of Control of Electric Vehicles method based on double super capacitor energy management systems of the invention is inherited by " electricity
The advantages of compound energy system management that pond-super capacitor " is constituted, and when compensating for only one super capacitor, Mou Xieyun
The deficiency that excess energy cannot recycle completely under row state, avoids energy waste；By charge and discharge control, make two super electricity
Rong Zhong, one can carry out electric energy recycling in empty electricity at any time, another, which is then in full electricity, to provide required big electricity at any time for motor
Stream improves the probability that capacitor participates in system work, extends battery life and makes the more efficient operation of system.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the double super capacitor Energy Management System of electric car of the invention.
Fig. 2 is a kind of basic flow chart of the double super capacitor energy management methods of electric car of the invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples, and the present invention includes but are not limited to following implementations
Example.
As shown in Figure 1, the present invention constructs a kind of double super capacitor Energy Management System of electric car first, include:
Battery, super capacitor 1, super capacitor 2, computer module, driving status module, motor control module and motor, discharge resistance.
It include unidirectional power supply of the battery to motor control module in terms of energy transmission；The two-way confession of battery and super capacitor 1
Electricity；Unidirectional power supply of the super capacitor 2 to battery；Super capacitor 1,2 is to electric machine controller module for power supply and can be reversed electric energy
Recycling；The transmission of the bidirectional electric energy of motor and motor control module.
Signal transmission aspect includes the capacity information of computer module detection battery, super capacitor 1 and super capacitor 2, and
Charge and discharge control is carried out to battery, super capacitor 1, super capacitor 2；Computer module is by motor control module to motor operation
State is detected, and issues control signal to motor control module, to control motor operation；Driving status module obtains automobile
Operating status is simultaneously sent to computer module, and computer module carries out battery, capacitor and motor control according to motoring condition
Charge and discharge control and capacitor between module discharge etc. to discharge resistance.
Fundamental mode is: battery storage electric energy, is responsible for small-power output；Two super capacitors are responsible for powerful time
It receives and exports.In system operation, by the connection of battery and super capacitor, is adjusted and controlled by computer module, at least guaranteed
In two super capacitors, one has electricity, the high-power output that the electric car for that may occur at any time accelerates and goes up a slope；Simultaneously
Another empty electricity, the high-power energy recycling for the electric vehicle brake and descending that can be used for occur at any time in this way.When one
The full electricity of a super capacitor when another super capacitor is empty electric, if energy regenerating occurs at this time, is recycled by the super capacitor of empty electricity
Energy, another super capacitor charge the battery；If two super capacitors are all empty electricity, given when driving at a constant speed by battery
The charging of super capacitor 1, to guarantee two super capacitors one empty electricity, a full electric state.
As shown in Fig. 2, the Control of Electric Vehicles method based on above-mentioned double super capacitor energy management systems, mainly calculates
Machine module detects electric car operating status by driving status module, by judging that operating status carries out the control of system, no
Control method with operating status is as follows:
1) when automobile starting: battery is powered to computer module, driving status module, motor control module, is made each
Module activation is started to work；Meanwhile battery charges to super capacitor 1, to provide high current when electric car starting for motor.
2) when vehicle starting, acceleration, going up a slope: computer module detects the capacity of super capacitor 2, if super capacitor 2 is
Can power supply state (default can be carried out, as electricity be greater than 50% for can power supply state, otherwise, be state to be charged), by surpassing
Grade capacitor 2 and battery are powered to motor control module jointly；Otherwise it is supplied jointly to motor control module by super capacitor 1 and battery
Electricity guarantees the low current output of battery.
3) when automobile drives at a constant speed: as battery individually to motor control module power supply (electric current needed for motor at this time compared with
It is small), and two super capacitor states of COMPUTER DETECTION control battery and charge to super capacitor 1 if being all state to be charged
(only needing low current charge at this time).
4) when automobile brake, descending: computer module detect two super capacitor states, if super capacitor 1 be for
Electricity condition, the then energy generated when recycling electric power generation by super capacitor 2, super capacitor 1 charge to battery；Otherwise by super electricity
Hold 1 to recover energy, super capacitor 2 charges the battery；If occurring the fully charged feelings of a super capacitor during braking descending
Condition then changes another super capacitor recycling electric energy, at this point, fully charged super capacitor charges the battery, it is super with guarantee two
Capacitor at least one be in and can recover energy at any time state；
5) when electric car will be manually checked and be repaired: control two super capacitors discharge to resistance, guarantee into
Personal safety when row operation.
6) electric car be in long term stop or it is flame-out when: control two super capacitors successively charge the battery.
Claims (1)
1. a kind of Control of Electric Vehicles method based on double super capacitor energy management systems, it is characterised in that: double super capacitors
Computer module in energy management system detects electric car operating status by driving status module, runs shape by judgement
State carries out system control；Double super capacitor energy management systems include battery, super capacitor 1, super capacitor 2, calculate
Machine module, driving status module, motor control module and motor, discharge resistance；
Wherein, battery is powered for storing electric energy, and to super capacitor 1 and motor control module；Super capacitor 1 and super capacitor
2 power for storing and recycling electric energy, and to battery and motor control module；Motor control module is for commutation inversion and controls
Motor speed；Driving status module is sent to computer module for acquiring vehicle driving state；Computer module is to other
Each module carries out signal detection and data processing, and issues control signal to other modules；Discharge resistance is for absorbing super electricity
The energy of appearance；
The specific control method of different operating statuses is as follows:
1) when automobile starting: battery is the charging of super capacitor 1, so that the two can power simultaneously for motor control module；
2) when vehicle starting, acceleration, going up a slope: computer module detects super capacitor 2, if being in super capacitor 2
Can power supply state, then by super capacitor 2 and battery jointly give motor control module power；Otherwise, it is total to by super capacitor 1 and battery
It powers with to motor control module, with high current needed for meeting motor；
3) when automobile drives at a constant speed: individually being powered to motor control module by battery, computer module is to two super capacitors
It is detected, if two super capacitors are state to be charged, battery charges to super capacitor 1；
4) when automobile brake, descending: motor is in generating state, and computer module detects two super capacitors, if
Super capacitor 1 be in can power supply state, then the electric energy of motor, super capacitor 1 are recycled by super capacitor 2 and charged to battery；Otherwise
It is charged the battery by electric energy, super capacitor 2 that super capacitor 1 recycles motor；
If the full electricity of the super capacitor for recycling electric energy during braking descending changes and recycles electric energy, full electricity by another super capacitor
Super capacitor charge the battery, guaranteeing two super capacitors, at least one is in the state of electric energy of can recycling at any time；
5) when automobile is in flameout state: computer module controls two super capacitors and successively charges the battery；
6) when automobile is in parking checking or maintenance: computer module controls two super capacitors and discharges to discharge resistance, with
Guarantee personal safety when being operated.
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| CN201610811844.3A CN106314183B (en) | 2016-09-09 | 2016-09-09 | A kind of Control of Electric Vehicles method based on double super capacitor energy management systems |
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| CN104531288A (en) * | 2014-12-04 | 2015-04-22 | 重庆加州润滑油有限责任公司 | Special antifreezing lubricating oil for motorcycle engine |
| CN107776416B (en) * | 2017-11-03 | 2020-07-31 | 中车株洲电力机车有限公司 | Rail transit hybrid power circuit, energy storage power pack and power supply method thereof |
| CN108583327B (en) * | 2018-04-25 | 2021-12-28 | 南京越博动力系统股份有限公司 | Electric quantity management system of double-battery electric vehicle |
| CN112590566A (en) * | 2020-12-17 | 2021-04-02 | 武汉格罗夫氢能汽车有限公司 | Fuel cell hydrogen energy automobile power supply system and management method thereof |
| CN113328452B (en) * | 2021-06-08 | 2023-11-17 | 湖南汽车工程职业学院 | Retired power battery and retired super capacitor combined movable energy storage charging system |
| CN114179632A (en) * | 2021-12-10 | 2022-03-15 | 奇瑞汽车股份有限公司 | Vehicle power supply system, power supply method and vehicle |
| CN115946538B (en) * | 2022-12-07 | 2024-01-30 | 上海采日能源科技有限公司 | Electric automobile brake actuation energy control method and device and electronic equipment |
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| US6670788B2 (en) * | 2002-04-17 | 2003-12-30 | Visteon Global Technologies, Inc. | Method and apparatus for maximizing hybrid vehicle energy management |
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| CN102616145A (en) * | 2012-03-29 | 2012-08-01 | 青岛易特优电子有限公司 | Regenerative braking energy storage device for electric automobile |
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