CN110254428A - A kind of automatic on-off control method of 48V hybrid vehicle - Google Patents
A kind of automatic on-off control method of 48V hybrid vehicle Download PDFInfo
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- CN110254428A CN110254428A CN201910270368.2A CN201910270368A CN110254428A CN 110254428 A CN110254428 A CN 110254428A CN 201910270368 A CN201910270368 A CN 201910270368A CN 110254428 A CN110254428 A CN 110254428A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000000446 fuel Substances 0.000 claims abstract description 8
- 238000004378 air conditioning Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000007812 deficiency Effects 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- 238000005183 dynamical system Methods 0.000 claims abstract description 3
- 238000004891 communication Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000010705 motor oil Substances 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims description 2
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18018—Start-stop drive, e.g. in a traffic jam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0803—Circuits or control means specially adapted for starting of engines characterised by means for initiating engine start or stop
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
- F02N11/0844—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop with means for restarting the engine directly after an engine stop request, e.g. caused by change of driver mind
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N2200/00—Parameters used for control of starting apparatus
- F02N2200/10—Parameters used for control of starting apparatus said parameters being related to driver demands or status
-
- 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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The present invention relates to a kind of control methods of automatic start-stop for 48V hybrid vehicle.The dynamical system of the hybrid vehicle is mainly made of engine, gearbox, BSG motor, 48V power battery and corresponding control system unit etc..When 48V power battery electricity has opening request, brake boost vacuum degree deficiency or throttle accelerator pedal aperture to be greater than preset value lower than preset value, engine water temperature lower than preset value, air-conditioning, HCU sends engine start signal to EMS, and EMS controls engine start after receiving start signal.The present invention controls motor by HCU comprehensive descision whole vehicle state, MCU and realizes engine fast starting, after engine speed reaches its preset value, the burning of engine commencement of fuel injection.This method for starting-controlling, which not only can guarantee, to be started to quick start, and can also improve the emission performance of engine, so that vehicle starting is more efficient, more energy efficient.
Description
Technical field
It is more specifically to be related to a kind of 48V the present invention relates to 48V mixing motor-car automobile power drive system control field
The control method of the automatic start-stop of hybrid vehicle.
Background technique
Hybrid power automobile power system is made of conventional engines and power drive system, can pass through advanced vehicle control
System processed realizes the purpose of dynamic property, economy and reduction oil consumption, discharge of vehicle.48V hybrid power automobile power assembly
It mainly include engine, gearbox, BSG motor, 48V power battery pack, and corresponding control system unit etc..Due to its at
This small investment, power assembly variation is small, be content with very little future emission standards and energy conservation object, just by domestic and international automaker
Extensive attention, become an important development direction of next stage new energy source energy-saving automobile.
Currently, the engine start/stop on orthodox car controls, due to starting motor, starting time mistake using 12V
Long, especially when urban conditions are run, machine is continually shut down and risen to engine, and machine is unstable, the starting time is long, easily causes
Engine life reduction etc..In the parking of 48V hybrid vehicle, after having met machine condition, the drive of BSG motor can use
Engine rotation, after internal-combustion engine rotational speed reaches its preset value, the burning of engine commencement of fuel injection.Such machine mode starting time
It is shorter, starting process is more stable, and can be effectively reduced oil consumption and discharge, realize vehicle energy-saving and emission-reduction target.
Through inquiring, a kind of strong hybrid electric vehicle operating mode switching engine is disclosed in patent CN101947915A
Stop control method is mainly used for realizing start-stop when the two kinds of drive mode switchings of the running pure electric vehicle of vehicle and hybrid power
Control method, it is therefore an objective to improve the vibration during engine start/stop, the automatic start-stop condition of engine be described limited.Patent
A kind of engine start/stop controlling party that motor-car type is mixed based on the mild battery SOC of engine water is disclosed in CN106274892A
Method, primarily to solving that hybrid electric vehicle can not carry out interior air-conditioning under standby operating conditions and what accumulator electric-quantity used asks
Topic.Description is limited in terms of other conditions for how to start engine.
Current hybrid electric vehicle engine start-stop control mainly participates in start-stop control by big motor and reduces vibration,
Either in order to consider that the engine start/stop that vehicle energy balance carries out controls, to the start-stop condition and control method of 48V system
Open source information is limited.In consideration of it, in the case where the light mixing system of 48V gradually draws attention, having in new-energy automobile control field
It is necessarily based on current vehicle motor start stop system and proposes a kind of automatic on-off control method strategy of more efficient engine.
Summary of the invention
The purpose of the present invention is to provide a kind of automatic on-off control method of 48V hybrid vehicle, the hybrid power systems
System is existed using BSG (Belt-driven Starter/Generator) belt transmission starting/generating integrated motor, the motor
Under power battery pack driving, it can quickly drive engine to light a fire again machine, have the advantages that machine is rapid, meanwhile, this is
System also has starting steady, and has good cold start characteristics.
Realize the technical scheme is that
A kind of automatic on-off control method of 48V hybrid vehicle, the dynamical system of the hybrid vehicle is mainly by sending out
Motivation, gearbox, BSG motor, 48V power battery and corresponding control unit composition, which is characterized in that HCU can be to EMS
Engine start signal is sent, after EMS and MCU receive the start signal, is dragged to engine by MCU control BSG motor
Rotating speed of target, to realize that engine quick starts, after engine speed reaches its preset value, the burning of engine commencement of fuel injection.
EMS receives start signal instruction control engine machine and needs to meet any one following condition:
1) 48V battery SOC is lower than preset value；
2) engine water temperature is lower than preset value；
3) air-conditioning has open request signal；
4) brake vacuum boost pump vacuum degree deficiency；
5) under P/N grades, gas pedal aperture is greater than preset value；
6) when stationary vehicle, driver is linked into D/R grades, and vehicle starts to start to walk；
7) engine reason itself forbids shutdown, continues to remain operational.
The good effect that the present invention provides a kind of on-off control method of 48V hybrid electric vehicle engine is can be most
The oil consumption and exhaust gas, noise pollution that automobile is generated in of short duration parking by the race of engine are reduced to limits, and is had
Application cost is low, it is small to change to engine original structure.Improve the properties of automobile, fuel economy can obtain it is maximum
Improve, emission performance reduces.
Detailed description of the invention
Fig. 1 is 48V mixed power system structure schematic diagram of the invention；
Fig. 2 is engine start/stop system signal flow diagram of the invention；
Fig. 3 is engine start/stop control system schematic diagram of the invention；
Fig. 4 is that engine of the invention plays machine control method flow chart；
Fig. 5 is engine halt control method flow chart of the invention.
Specific embodiment
The technical characterstic of this programme to clearly illustrate below by a specific embodiment, and combines its attached drawing, to this
Scheme is illustrated.
As shown in Figure 1,48V hybrid power automobile power system, by engine, gearbox, BSG motor, 48V power electric
The composition such as pond, clutch, main reducing gear of drive axle.BSG motor is connected with engine by belt pulley, and BSG motor can be used as
Dynamic and power generation all-in-one machine, while can provide power-assisted and engine drives vehicle jointly, power eventually by main reducing gear of drive axle,
It is transmitted to wheel.
When determining that automobile is in idle running operating condition, HCU can realize that engine is shut down according to the condition shut down, instead of passing
The idling operation of system, to realize the purpose of energy-saving and emission-reduction.When driver attempts to drive a vehicle, HCU can be automatic according to decision condition
Issue the instruction started and start engine, the starting time is shorter than the traditional startup time, therefore can quick start, to drop
Exhaust emission when low starting.
As shown in Fig. 2, HCU entire car controller is believed according to the state that the demand of driver, subsystems controller are fed back
Number and pass through sensor acquire all parts status signal.Determine whether start-stop function of engine touches by control algolithm
Hair, and control instruction is inputed into MCU electric machine controller and EMS engine controller by CAN bus communication mode, it realizes whole
Car engine plays the control of machine and shutdown.
As shown in figure 3, HCU is according to vehicle and 48V system electrification completion status, engine condition, driver intention, vehicle
The states such as driving status and battery SOC, determine whether engine plays machine or shutdown.
In the case where playing machine mode, HCU need to send corresponding BSG start signal and instruct to EMS, EMS reception starting order signal
It controls when engine plays machine and needs to meet any one following condition:
1) 48V battery SOC is lower than preset value；
2) engine water temperature is lower than preset value；
3) air-conditioning has open request signal；
4) vacuum booster pump vacuum degree deficiency；
5) under P/N grades, gas pedal aperture is greater than preset value；
6) when stationary vehicle, driver is linked into D/R grades, and vehicle starts to start to walk；
7) engine reason itself forbids shutdown, continues to remain operational.
As shown in figure 4, the process that BSG motor drag engine plays the control method of machine will be based on the signal instruction of HCU.
After HCU sends BSG motor machine request signal, MCU controls motor and exports starting torque, and engine is directly dragged to rotating speed of target
Afterwards, HCU retransmits fuel feeding request instruction, fires into idling work, the output of BSG motor by EMS control engine oil spout later
Idling torque is simultaneously gradually backed out torque until being reduced to 0, finally completes to start by EMS control engine.
Preset value and it is maintained for more than certain time when engine speed is higher than, illustrates that vehicle motor starts and complete, EMS is answered
Engine start complement mark position CAN message signal is fed back to HCU.
Under shutdown mode, HCU judges halt condition according to whole vehicle state, and sends oil-break to EMS by CAN communication and ask
It asks.The oil-break request that EMS answers quick response HCU to send, and control engine shutdown.When HCU is sent without start request and is started
After the request of machine oil-break, oil-break is completed by EMS and shuts down control.When meeting following all conditions, need to control engine shutdown:
1) 48V battery SOC is higher than preset value；
2) engine water temperature is higher than preset value；
3) request signal that air-conditioning is not turned on；
4) vacuum booster pump vacuum degree is enough；
5) P/N grades of lower speeds make brake pressure be greater than preset value lower than braking is stepped under preset value or D grades.
6) engine does not forbid the request shut down；
7) battery available power is greater than preset value, meets power requirement when automatic machine；
8) BSG nominal power is greater than preset value, meets power requirement when automatic machine.
Further, after HCU sends BSG motor machine request signal, MCU controls motor and exports starting torque, will start
After machine is directly dragged to rotating speed of target, HCU retransmits fuel feeding request instruction, is fired into later by EMS control engine oil spout idle
Speed work, BSG motor output idling torque are simultaneously gradually backed out torque until being reduced to 0, are finally completed by EMS control engine
It is dynamic.
Further, HCU judges halt condition according to whole vehicle state, and sends oil-break request to EMS by CAN communication,
The oil-break request that EMS answers quick response HCU to send, and engine shutdown is controlled, machine request is played without engine when HCU is sent, together
When send the request of engine oil-break after, EMS completes the control shut down from idling work state to oil-break, finally completes engine and stops
Machine control.
When engine speed is lower than preset value and certain time is maintained for more than, illustrates that vehicle motor is shut down and complete, EMS is answered
Complement mark position CAN message is shut down to HCU feedback engine.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (4)
1. a kind of automatic on-off control method of 48V hybrid vehicle, the dynamical system of the hybrid vehicle is mainly by starting
Machine, gearbox, BSG motor, 48V power battery and corresponding control unit composition, which is characterized in that HCU can be sent out to EMS
After sending engine start signal, EMS and MCU to receive the start signal, engine is dragged to mesh by MCU control BSG motor
Revolving speed is marked, to realize that engine quick starts, after engine speed reaches its preset value, the burning of engine commencement of fuel injection.EMS
It receives start signal instruction control engine machine and needs to meet any one following condition:
1) 48V battery SOC is lower than preset value；
2) engine water temperature is lower than preset value；
3) air-conditioning has open request signal；
4) brake vacuum boost pump vacuum degree deficiency；
5) under P/N grades, gas pedal aperture is greater than preset value；
6) when stationary vehicle, driver is linked into D/R grades, and vehicle starts to start to walk；
7) engine reason itself forbids shutdown, continues to remain operational.
2. the automatic on-off control method of 48V hybrid vehicle according to claim 1, it is characterised in that: do not sending out
In the case that motivation plays machine request, when meeting following all conditions, need to control engine shutdown:
1) 48V battery SOC is higher than preset value；
2) engine water temperature is higher than preset value；
3) request signal that air-conditioning is not turned on；
4) brake vacuum boost pump vacuum degree is enough；
5) P/N grades of lower speeds make brake pressure be greater than preset value lower than braking is stepped under preset value or D grades；
6) engine does not forbid the request shut down；
7) battery available power is greater than preset value, meets power requirement when automatic machine；
8) BSG nominal power is greater than preset value, meets power requirement when automatic machine.
3. the automatic on-off control method of 48V hybrid vehicle according to claim 2, it is characterised in that: HCU is sent
After BSG motor plays machine request signal, MCU controls motor and exports starting torque, after engine is directly dragged to rotating speed of target, HCU
Fuel feeding request instruction is retransmited, idling work is fired by EMS control engine oil spout later, BSG motor exports idling and turns round
Square is simultaneously gradually backed out torque until being reduced to 0, finally completes to start by EMS control engine.
4. the automatic on-off control method of 48V hybrid vehicle according to claim 2 or 3, it is characterised in that: HCU root
Halt condition is judged according to whole vehicle state, and oil-break request is sent to EMS by CAN communication, and EMS answers quick response HCU to send
Oil-break request, and control engine shutdown, when HCU send without engine rise machine request, while send engine oil-break request after,
EMS completes the control shut down from idling work state to oil-break, finally completes engine and shuts down control.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910270368.2A CN110254428A (en) | 2019-05-22 | 2019-05-22 | A kind of automatic on-off control method of 48V hybrid vehicle |
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| CN201910270368.2A CN110254428A (en) | 2019-05-22 | 2019-05-22 | A kind of automatic on-off control method of 48V hybrid vehicle |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696808A (en) * | 2019-10-10 | 2020-01-17 | 一汽解放青岛汽车有限公司 | Step control method for engine speed of hybrid electric vehicle |
| CN111055834A (en) * | 2019-11-19 | 2020-04-24 | 潍柴动力股份有限公司 | Series hybrid power system and engine starting control method thereof |
| CN111520270A (en) * | 2020-04-30 | 2020-08-11 | 广西玉柴机器股份有限公司 | Method and system for starting 48V light-mixed engine |
| CN111634285A (en) * | 2020-05-11 | 2020-09-08 | 中国第一汽车股份有限公司 | Gear shifting control method for 48V light hybrid power vehicle |
| CN111746260A (en) * | 2020-06-29 | 2020-10-09 | 一汽解放汽车有限公司 | 48V system and 48V system control method |
| CN112193233A (en) * | 2020-10-21 | 2021-01-08 | 王文君 | Engine control method based on extended range hybrid electric vehicle |
| CN112550248A (en) * | 2020-12-11 | 2021-03-26 | 重庆美沣秦安汽车驱动***有限公司 | Brake vacuum degree control method and system, storage medium and terminal |
| CN112622867A (en) * | 2020-12-25 | 2021-04-09 | 奇瑞汽车股份有限公司 | Quick start system and method for hybrid electric vehicle |
| CN112727655A (en) * | 2020-12-17 | 2021-04-30 | 东风汽车有限公司 | Automobile start-stop control method, storage medium and electronic equipment |
| CN113135186A (en) * | 2020-08-18 | 2021-07-20 | 长城汽车股份有限公司 | Method and device for controlling vehicle to run and vehicle |
| CN113669171A (en) * | 2021-09-08 | 2021-11-19 | 馨联动力(曲阜)有限公司 | Control method for start-stop time of engine of hybrid electric vehicle |
| CN114013424A (en) * | 2021-11-11 | 2022-02-08 | 安徽江淮汽车集团股份有限公司 | Power-on and power-off management method for hybrid electric vehicle |
| WO2023019514A1 (en) * | 2021-08-19 | 2023-02-23 | 宁波吉利罗佑发动机零部件有限公司 | Hybrid vehicle, method and apparatus for controlling starting and stopping of engine thereof |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696808A (en) * | 2019-10-10 | 2020-01-17 | 一汽解放青岛汽车有限公司 | Step control method for engine speed of hybrid electric vehicle |
| CN111055834A (en) * | 2019-11-19 | 2020-04-24 | 潍柴动力股份有限公司 | Series hybrid power system and engine starting control method thereof |
| CN111055834B (en) * | 2019-11-19 | 2021-01-19 | 潍柴动力股份有限公司 | Series hybrid power system and engine starting control method thereof |
| CN111520270A (en) * | 2020-04-30 | 2020-08-11 | 广西玉柴机器股份有限公司 | Method and system for starting 48V light-mixed engine |
| CN111634285A (en) * | 2020-05-11 | 2020-09-08 | 中国第一汽车股份有限公司 | Gear shifting control method for 48V light hybrid power vehicle |
| CN111746260A (en) * | 2020-06-29 | 2020-10-09 | 一汽解放汽车有限公司 | 48V system and 48V system control method |
| CN113135186A (en) * | 2020-08-18 | 2021-07-20 | 长城汽车股份有限公司 | Method and device for controlling vehicle to run and vehicle |
| WO2022037324A1 (en) * | 2020-08-18 | 2022-02-24 | 长城汽车股份有限公司 | Method and apparatus for controlling travel of vehicle, and vehicle, device, program and medium |
| CN112193233A (en) * | 2020-10-21 | 2021-01-08 | 王文君 | Engine control method based on extended range hybrid electric vehicle |
| CN112550248B (en) * | 2020-12-11 | 2022-02-11 | 重庆美沣秦安汽车驱动***有限公司 | Brake vacuum degree control method and system, storage medium and terminal |
| CN112550248A (en) * | 2020-12-11 | 2021-03-26 | 重庆美沣秦安汽车驱动***有限公司 | Brake vacuum degree control method and system, storage medium and terminal |
| CN112727655A (en) * | 2020-12-17 | 2021-04-30 | 东风汽车有限公司 | Automobile start-stop control method, storage medium and electronic equipment |
| CN112622867A (en) * | 2020-12-25 | 2021-04-09 | 奇瑞汽车股份有限公司 | Quick start system and method for hybrid electric vehicle |
| WO2023019514A1 (en) * | 2021-08-19 | 2023-02-23 | 宁波吉利罗佑发动机零部件有限公司 | Hybrid vehicle, method and apparatus for controlling starting and stopping of engine thereof |
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| CN114013424A (en) * | 2021-11-11 | 2022-02-08 | 安徽江淮汽车集团股份有限公司 | Power-on and power-off management method for hybrid electric vehicle |
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Application publication date: 20190920 |