CN102774263B - A kind of control method of hybrid electric drive system - Google Patents
A kind of control method of hybrid electric drive system Download PDFInfo
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- CN102774263B CN102774263B CN201210295473.XA CN201210295473A CN102774263B CN 102774263 B CN102774263 B CN 102774263B CN 201210295473 A CN201210295473 A CN 201210295473A CN 102774263 B CN102774263 B CN 102774263B
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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
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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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
- Y02T10/62—Hybrid vehicles
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Abstract
The present invention relates to a kind of hybrid electric drive system drived control method, wherein said drive system comprises driving engine, the first motor, the second motor, planetary gear members, it is characterized in that, also comprise be arranged at the first arrangement of clutch between driving engine and the first motor, the second arrangement of clutch between driving engine and the sun wheel of planetary gear members, can locking gear ring the 3rd arrangement of clutch and can the 4th arrangement of clutch of locking second rotor.This driving method controls described drive system according to closed-center system electricity and current vehicle speed situation and is in the regime mode such as pure electronic, series, parallel, makes native system have more gears than conventional hybrid automobile, effectively improves the fuel economy of driving engine.
Description
Technical field
The present invention relates to a kind of drived control method of hybrid electric drive system.
Background technology
The new-energy automobiles such as hybrid vehicle are generally driving engine and electrical motor two kinds of power are mixed, rotating speed and torque coupling is carried out according to certain control policy, finally export to wheel again, the dynamic characteristic that it makes use of motor compensate for the deficiency of engine power characteristic, make engine operation between better efficiency area, braking energy can be reclaimed, so energy-saving and emission-reduction simultaneously.
Hybrid electric drive system generally has tandem, parallel, series parallel type, wherein series parallel type is the hybrid power system type of drive generally adopted at present, the arrangement of series-parallel hybrid electric system combines the feature of tandem arrangement and parallel arrangement, provide according to different operating mode allow oil, electricity two kinds of energy respectively according to series, parallel or connection in series-parallel in conjunction with Three models work, thus make hybrid power system can select different power driven modes according to different operating modes.
In existing hybrid power actuation techniques, topmost contradiction is that seamless between driving engine with electrical motor mates, direct motor drive and primarily of in the very large interval of engine-driven operation interval, driving engine cannot really be operated in fuel efficient district, and hybrid vehicle can not be given full play to compared with the advantage of conventional fuel oil automobile.Prior art is all generally carry out driving engine many grades of mode of operations by machinery or the arrangement of clutch such as electromagnetism, planetary wheel iso-variable velocity device to be connected with the outside of electrical motor and to combine, and being coupled by torque coupling, rotating speed realizes mating of driving engine and electrical motor.Conventional engines generally has two grades of change speed gear boxs, can driving engine be made to be operated in efficient district as much as possible by regulation stall under different operating modes.But in fact, two grades of speed changes can not make driving engine be fully operational in fuel efficient district, between two grades very in Da I Member speed interval, driving engine is still operated in poor efficiency district.
On the other hand, usually use sun and planet gear to realize in the device of each power unit power distribution, the mechanical energy of driving engine can only be transmitted by sun and planet gear, and its driving efficiency can cause the loss of energy, and control aspect is quite complicated.
In order to solve the problem, the application applicants have invented a kind of hybrid electric drive system, comprise driving engine, the first electrical motor, the second electrical motor, one group of sun and planet gear and four groups of arrangement of clutch, by coordinating of arrangement of clutch and sun and planet gear, the vehicle that this drive system is housed can realize five grades of outputs, that is: pure electronic shelves, oil electricity mixing one grade, the mixing of oil electricity second gear, pure driving engine shelves and braking brake shelves.The control method of the present invention to above-mentioned hybrid electric drive system is improved, to realize the better energy-saving oiliness of vehicle.
Summary of the invention
The invention provides a kind of control method of hybrid electric drive system, effectively improve the coupling efficiency of driving engine and electrical motor, simplify system, make driving engine be operated in efficient district better, realize good fuel economy.
The hybrid electric drive system that hybrid electric drive system control method of the present invention relates to comprises driving engine, the first motor, the second motor, planetary gear members and closed-center system; The gear ring of described planetary gear members is connected with described first rotor axis of electric, and the sun wheel of described planetary gear members is connected with described second rotor axis of electric, and the pinion carrier of described planetary gear members is connected with this device clutch end; Described closed-center system is connected with described first motor, the second motor; It is characterized in that:
The first arrangement of clutch is also provided with between described driving engine and described first rotor axis of electric; The second arrangement of clutch is also provided with between the sun wheel of described driving engine and described sun and planet gear; Also comprise the 3rd arrangement of clutch, be arranged between the gear ring of sun and planet gear and car body fixed parts; Also comprise the 4th arrangement of clutch, be arranged between described second motor rotor and car body fixed parts;
Described control method comprises:
According to the energy storage situation of closed-center system, current vehicle speed situation and the Das Gaspedal degree of depth, control described drive system and be in electric-only mode, series-parallel connection pattern, paralleling model one, paralleling model two, the direct drive pattern of driving engine or Brake energy recovery pattern.
In above-mentioned control method, when vehicle is by static startup, judges that the charge condition of closed-center system controls hybrid power system Starting mode, as closed-center system electricity SOC >=SOC0, control described hybrid electric drive system and start with electric-only mode; As closed-center system electricity SOC < SOC0, start the engine, controls described hybrid electric drive system and starts with series-parallel connection pattern.
When described hybrid electric drive system starts in pure electronic mode, described hybrid electric drive system can use the first motor or the second motor to drive separately, or the first motor and the second motor drive jointly;
Drive system control method of the present invention determines the operating mode of drive system by the energy storage situation of closed-center system, current vehicle speed situation and the Das Gaspedal degree of depth, and according to the power stage of power demand reasonably the first motor of control-driven system, the second motor and driving engine, the method can make hybrid electric drive system play the usefulness of self well, realizes the utilization to energy maximal efficiency while satisfying the demands power.Supplementary features of the present invention and corresponding advantage detailed description of the invention part are below described in detail.
Accompanying drawing explanation
Fig. 1 is according to a kind of hybrid electric drive system schematic diagram of the present invention.
Fig. 2 is according to hybrid electric drive system electric-only mode Dual-motors Driving pattern diagram of the present invention.
Fig. 3 is according to hybrid electric drive system electric-only mode first motor drive mode schematic diagram of the present invention.
Fig. 4 is according to hybrid electric drive system electric-only mode second motor drive mode schematic diagram of the present invention.
Fig. 5 is according to hybrid electric drive system series-parallel connection pattern diagram of the present invention.
Fig. 6 is according to hybrid electric drive system paralleling model one schematic diagram of the present invention.
Fig. 7 is according to hybrid electric drive system paralleling model two schematic diagram of the present invention.
Fig. 8 is that hybrid electric drive system engine direct according to the present invention drives pattern diagram.
Fig. 9 is the diagram of circuit of hybrid electric drive system control method of the present invention.
Wherein, 1 is driving engine, and 2 is planetary gear members, 21 is gear rings, and 22 is sun wheels, and 23 is pinion carriers, 3 is power transmission gears, 4 is closed-center systems, and M1 is the first motor, and M2 is the second motor, C1 is the first arrangement of clutch, C2 is the second arrangement of clutch, and C3 is the first drg, and C4 is second brake.
Detailed description of the invention
Hybrid electric drive system
Conveniently patent examination, help the public more directly to understand the present invention, 1 to accompanying drawing 8 is described in detail hybrid electric drive system used in the present invention first by reference to the accompanying drawings below.
According to hybrid electric drive system used in the present invention, this system can comprise planetary gear members 2, and it comprises gear ring 21, sun wheel 22 and pinion carrier 23.Wherein, gear ring 21 is connected with the first motor M 1 rotor shaft, and sun wheel 22 is connected with the second motor M 2 rotor shaft, and pinion carrier 23 is connected with this device clutch end; Closed-center system 4 is connected with the first motor M 1, second motor M 2;
First arrangement of clutch C1 is arranged between driving engine 1 and the first motor M 1 rotor shaft, and driving engine 1 axle is engaged with the first motor M 1 rotor shaft by the first arrangement of clutch C1 or separated; Second arrangement of clutch C2 is arranged between driving engine 1 and sun wheel 22, and driving engine 1 axle is engaged with between sun wheel 22 by the second arrangement of clutch C2 or separated; 3rd arrangement of clutch C3 can make to engage between gear ring 21 with car body fixed parts or separate; 4th arrangement of clutch C4 can make the second electrical motor M2 rotor and engages between car body fixed parts or separate, and car body connecting element described here can be sun and planet gear casing or motor stator or other and the not relatively-movable parts of car body.Transmission gear 3 is arranged between pinion carrier 23 and wheel drive shaft, facilitates the setting of described 4th arrangement of clutch C4.First arrangement of clutch C1, the second arrangement of clutch C2, the 3rd arrangement of clutch C3, the 4th arrangement of clutch C4 are connected with a control system (not marking in figure) electricity.
In order to make accompanying drawing concisely clear, closed-center system 4 does not indicate in Fig. 2 to Fig. 8, but does not comprise closed-center system in the above-mentioned pattern do not meaned.
In this drive system, each arrangement of clutch is by control system state of a control.Each electric machine controller controls motor as required as electrical power generators or as motor car.Das Gaspedal place is provided with tread depths sensor, and system, by detecting the Das Gaspedal degree of depth, controls each arrangement of clutch state, selects relevant work pattern.
When described hybrid electric drive system is in electric-only mode, driving engine does not start, and separately, the 3rd arrangement of clutch C3, the 4th arrangement of clutch C4 are separately for the first arrangement of clutch C1, the second arrangement of clutch C2, jointly vehicle is driven, as shown in Figure 2 by M1, M2; Or separately, the 4th arrangement of clutch C4 engages, and drives vehicle launch separately, as shown in Figure 3 by electrical motor M1 for the first arrangement of clutch C1, the second arrangement of clutch C2, the 3rd arrangement of clutch C3; First arrangement of clutch C1, the second arrangement of clutch C2, the 3rd arrangement of clutch C3 engage, and the 4th arrangement of clutch C4 separately, drives vehicle separately by electrical motor M2, as shown in Figure 4.Electric-only mode may be used for vehicle start, low speed driving (the first preset vehicle speed lower than setting) or Brake energy recovery state.
When described system is in series-parallel connection pattern, engine starting, the first arrangement of clutch C1, the second arrangement of clutch C2 engage, and the 3rd arrangement of clutch C3, the 4th arrangement of clutch C4 open, as shown in Figure 5.By motor-powered vehicle, the first motor M 1 is coupled with engine speed, and the second motor M 2 is coupled with motor torque.This pattern is applicable to this hybrid power system by under static start operating performance, and for making engine operation in fuel efficient district, control can control the first motor M 1 and the second motor M 2 generates electricity.When needs go up a slope or load accelerates, the second motor M 2 provides power torque for driving engine, is operated in fuel-economy district with ensureing engine stabilizer like this.
When system is in paralleling model for the moment, engine starting, separately, the second arrangement of clutch C2 engages the first arrangement of clutch C1, and the 3rd arrangement of clutch C3 engages, and the 4th arrangement of clutch C4 separates, as shown in Figure 6.By motor-powered vehicle, by planetary wheel appropriate design, designed engines exports reduction of speed ratio, namely driving engine exports than reduction of speed with higher reduction of speed, make engine operation in fuel-economy district, according to operating mode needs, when vehicle load is accelerated or climb, electrical motor M2 torque and motor torque coupling output, for Power output increases torque.This oily electric mixed mode be applicable to vehicle lower than setting the second preset vehicle speed V2 time in low speed driving, make the operation interval of driving engine wider, the design of fuel economy more rationalizes.
When system is in paralleling model two, the first arrangement of clutch C1 engages, and separately, separately, the 4th arrangement of clutch C4 engages the 3rd arrangement of clutch C3 the second arrangement of clutch C2, as shown in Figure 7.When vehicle is higher than the second setting vehicle velocity V 2, now driving engine can not meet the condition being operated in efficient district under high reduction of speed ratio, for making driving engine continue to operate in efficient district, needing to improve driving engine and exporting reduction of speed ratio, driving engine is slowed down under comparatively sinking speed ratio and exports.According to operating mode needs, when vehicle load is accelerated or climb, electrical motor M1 torque and motor torque coupling output.This oily electric mixed mode is applicable to vehicle and drives at moderate speed, when namely the speed of a motor vehicle is lower than the 3rd preset vehicle speed V3 set.
When system be in engine direct drive pattern time, the first arrangement of clutch C1 and the second arrangement of clutch C2 engages, the 3rd arrangement of clutch C3 and the 4th arrangement of clutch C4 separately, as shown in Figure 8.When vehicle need be run at high speed, driving engine does not need deceleration output to be operated in high velocity, now makes driving engine Direct driver can meet it and is operated in fuel-economy district, then this can be used directly to drive pattern.Under vehicle is in decelerating mode, vehicle energy, as electrical generator, reclaims, is converted into power storage in closed-center system, in order to driving motor by motor M 1, M2.
Hybrid electric drive system control method
Be provided with for the predetermined electricity SOC0 of described closed-center system in the control method of hybrid electric drive system involved in the present invention, this charge value can meet to be driven by single motor or Dual-motors Driving time vehicle can accelerate to the first preset vehicle speed V1 by static; If electricity is less than SOC0, then system enters paralleling model driving.
First preset vehicle speed V1 is that system meets and enters the paralleling model for the moment speed of a motor vehicle of engine operation under the condition in fuel efficient district; After the speed of a motor vehicle reaches V1, judge whether to continue to accelerate by Das Gaspedal, accelerate if continue, control system enters paralleling model one; If without acceleration wish, then keep current operation mode; If have deceleration wish or current vehicle speed to be less than V1, get back to a mode of operation.The detection Das Gaspedal degree of depth related in the present invention judges that the method accelerating wish is identical with traditional pure electric vehicle, repeats no more.
Second preset vehicle speed V2 is that system meets the speed of a motor vehicle of engine operation under the condition in fuel efficient district when entering paralleling model two; After the speed of a motor vehicle reaches V2, judge whether to continue to accelerate by Das Gaspedal, accelerate if continue, control system enters paralleling model two; If without acceleration wish, then keep current operation mode; If have deceleration wish or current vehicle speed to be less than V2, get back to a mode of operation.
3rd preset vehicle speed V3 is that system meets the speed of a motor vehicle of engine operation under the condition in fuel efficient district when entering driving engine direct drive pattern; After the speed of a motor vehicle reaches V3, judge whether to continue to accelerate by Das Gaspedal, accelerate if continue, control system enters driving engine Direct driver; If without acceleration wish, then keep current operation mode; If have deceleration wish or current vehicle speed to be less than V3, get back to a mode of operation.
Below, 2 ~ 9 hybrid electric drive system drived control method of the present invention is specifically described by reference to the accompanying drawings.
First, when vehicle is by static startup, judges closed-center system electricity, be specially, as electricity SOC>SOC0, use electric-only mode to start by vehicle; As electricity SOC<SOC0, series-parallel connection pattern is used to start by vehicle.
When using electric-only mode to start, the first motor and the second motor can be used jointly to drive, now driving engine does not start, the cooperation of each arrangement of clutch is controlled by control system, under making drive system be in electric-only mode, controller controls motor M 1 respectively, M2 uses as electrical motor, and jointly drive vehicle, control process is as follows:
Control system controls each arrangement of clutch, makes system enter electric-only mode, and as shown in Figure 2, now arrangement of clutch C1, C2, C3, C4 all separates.M1, M2 drive vehicle jointly, and compared with driving vehicle with single motor, two motor driving powers are larger, by planetary effect, the two all adopts reduction of speed to increase the mode turned round and does input component, when power is constant, by improving motor speed, reduce motor volume and weight;
In addition, also single motor can be used to drive according to operating mode, now arrangement of clutch C1, C2, C3 divides out, and the 4th arrangement of clutch C4 engages, and drives vehicle launch separately by the first motor M 1, as shown in Figure 3; Or arrangement of clutch C1, C2, C3 engages, and the 4th arrangement of clutch C4 separately, drives vehicle launch separately by the second motor M 2, as shown in Figure 4.
After the speed of a motor vehicle reaches the first preset vehicle speed V1, control system is by the acceleration wish of the depth finding chaufeur of Das Gaspedal, if the Das Gaspedal degree of depth is darker, if there is acceleration wish, control system controls hybrid electric drive system and enters paralleling model one: engine starting, by motor-powered vehicle, by planetary wheel appropriate design, designed engines exports reduction of speed ratio, namely driving engine exports than reduction of speed with higher reduction of speed, make engine operation in fuel-economy district, system enters paralleling model one, first arrangement of clutch C1 opens, second arrangement of clutch C2, 3rd arrangement of clutch C3 engages, 4th arrangement of clutch C4 opens, as shown in Figure 5.
Control process is as follows:
Further acceleration is needed after drive system drives vehicle to reach the first preset vehicle speed V1 with series model, control the first motor speed to reduce, for making speed of a motor vehicle held stationary, control the second motor M 2 contrary with turn of engine direction simultaneously, when the first motor M 1 rotating speed be down to close to 0 time, control the 3rd arrangement of clutch C3 engage.
When accelerating further after M1, M2 drive vehicle to reach the first preset vehicle speed V1 jointly, control the second arrangement of clutch C2 to engage, motor M 2 drives engine starting, raises M2 rotating speed simultaneously and reduces M1 rotating speed, be that the 0, three arrangement of clutch C3 engages to motor M 1 rotating speed.According to operating mode needs, when vehicle load is accelerated or climb, the second motor M 2 torque and motor torque coupling output are that Power output increases torque.
In addition, if when needing to accelerate further after adopting M1 to drive separately vehicle to reach the first preset vehicle speed V1, open the 4th arrangement of clutch C4, engage the second arrangement of clutch C2, starter motor M2, drives engine starting by motor M 2, can disable motor M2 after engine starting, make it dally, reach the object of power saving.Adjustment driving engine output speed, its rotating speed is transmitted by planetary wheel, and when gear ring rotating speed and electrical motor M1 rotational speed matches, engage arrangement of clutch C3, drive system enters paralleling model one.The benefit done like this to make motor M 1 steady with driving engine coupling output rotating speed, prevents rotating speed sudden change, cause vehicle to jolt.
In addition, if when M2 needs to accelerate further after driving separately vehicle to reach the first preset vehicle speed V1, motor M 1 makees starter motor, first arrangement of clutch C1 is engaged, engine starting is driven by M1, driving engine is identical with motor M 1 rotating speed, with motor M 2 rotating speed coupling output, in this case needs to control electrical motor M2 rotating speed, be that the second arrangement of clutch C2 joint is prepared on the one hand, make output speed steady on the other hand, prevent rotating speed unexpected, cause vehicle to jolt.When driving engine is suitable with motor M 2 rotating speed, control setup controls the first arrangement of clutch C1 separately, and the second arrangement of clutch C2 engages simultaneously, and drive system enters paralleling model one.
When vehicle accelerates further again, when the speed of a motor vehicle is higher than the second preset vehicle speed V2, now driving engine can not meet the condition being operated in efficient district under one grade, for making driving engine continue to operate in efficient district, needing to improve driving engine and exporting reduction of speed ratio, make driving engine with comparatively sinking speed ratio deceleration output, system enters paralleling model two: the first arrangement of clutch C1 and engages, second arrangement of clutch C2, the 3rd arrangement of clutch C3 open, and the 4th arrangement of clutch C4 engages, as shown in Figure 6.
Control process is as follows: after the speed of a motor vehicle reaches V2, acceleration wish detected according to tread depths, Systematical control the 3rd arrangement of clutch C3 opens, simultaneously starter motor M1, and control motor M 1, M2 rotating speed, make motor M 1, M2 be coupled rotating speed steadily, time consistent with driving engine or motor M 2 rotating speed to motor M 1 rotating speed, engage arrangement of clutch C1, open arrangement of clutch C2, improve engine speed, reduce motor M 2 rotating speed to 0, engage the 4th arrangement of clutch C4.
According to operating mode needs, when vehicle load is accelerated or climb, electrical motor M1 torque and motor torque coupling output.
When vehicle needs high-speed cruising, namely the speed of a motor vehicle is that driving engine does not need deceleration output to be operated in high velocity higher than the design condition of the 3rd preset vehicle speed V3, speed V3, now makes driving engine Direct driver can meet it and is operated in fuel-economy district.Control system controls each arrangement of clutch and coordinates, and driving engine directly exports, and makes drive system enter engine direct and drives pattern: the first arrangement of clutch C1, the second arrangement of clutch C2 engage, and the 3rd arrangement of clutch C3, the 4th arrangement of clutch C4 separate, as shown in Figure 7.When vehicle is in upward slope or accelerating mode, if engine drive torque is not enough, M1, M2 are coupled with motor torque as electrical motor, for system increases power; Under vehicle is in decelerating mode, vehicle energy, as electrical generator, reclaims, is converted into power storage in closed-center system, in order to driving motor by motor M 1, M2.
Under vehicle is in drag operating mode, control system controls each arrangement of clutch and coordinates, drive system is made to enter electric-only mode, arrangement of clutch C1, C2, C3, C4 all separate, motor controller controls first motor M 1, second motor M 2 is all done electrical generator and is used, vehicle braking kinetic-energy is reclaimed, is converted into power storage in closed-center system, in order to driving motor next time.
Claims (6)
1. the control method of a hybrid electric drive system, wherein said drive system comprises driving engine (1), first motor (M1), the second motor (M2), planetary gear members (2) and closed-center system (4); The gear ring (21) of described planetary gear members is connected with described first motor (M1) rotor shaft, the sun wheel (22) of described planetary gear members is connected with described second motor (M2) rotor shaft, and the pinion carrier (23) of described planetary gear members is connected with described planetary gear members (2) clutch end; Described closed-center system (4) is connected with described first motor (M1), the second motor (M2); It is characterized in that:
The first arrangement of clutch (C1) is also provided with between described driving engine (1) and described first motor (M1) rotor shaft; The second arrangement of clutch (C2) is also provided with between described driving engine (1) and the sun wheel of described sun and planet gear; Also comprise the 3rd arrangement of clutch (C3), be arranged between the gear ring (21) of sun and planet gear and car body fixed parts; Also comprise the 4th arrangement of clutch (C4), be arranged between described second electrical motor (M2) rotor and car body fixed parts;
Described method comprises:
According to the energy storage situation of closed-center system, current vehicle speed situation and the Das Gaspedal degree of depth, control described drive system and be in electric-only mode, series-parallel connection pattern, paralleling model one, paralleling model two, the direct drive pattern of driving engine or Brake energy recovery pattern;
Described hybrid electric drive system starts with pure power mode or series-parallel connection pattern;
After the speed of a motor vehicle reaches the first preset vehicle speed V1, control system by the depth finding chaufeur of Das Gaspedal have accelerate wish time, control hybrid electric drive system enter paralleling model one:
After the speed of a motor vehicle reaches the second preset vehicle speed V2, control system by the depth finding chaufeur of Das Gaspedal have accelerate wish time, control hybrid electric drive system enter paralleling model two;
After the speed of a motor vehicle reaches the 3rd preset vehicle speed, control system by the depth finding chaufeur of Das Gaspedal have accelerate wish time, control control hybrid electric drive system enter the direct drive pattern of driving engine.
2. the control method of hybrid electric drive system according to claim 1, is characterized in that, when vehicle is by static startup, judges that the charge condition of closed-center system controls hybrid power system Starting mode,
As closed-center system electricity SOC >=SOC0, control described hybrid electric drive system and start with electric-only mode;
When containing device electricity SOC<SOC0, start the engine, controls described hybrid electric drive system and starts with series-parallel connection pattern.
3. the control method of hybrid electric drive system according to claim 2, is characterized in that, when described hybrid electric drive system starts in pure electronic mode, controls described hybrid electric drive system and uses the first motor and the second motor jointly to drive.
4. the control method of hybrid electric drive system according to claim 2, is characterized in that, when described hybrid electric drive system starts in pure electronic mode, controls described hybrid electric drive system and uses the first motor or the second motor to drive.
5. the control method of hybrid electric drive system according to claim 1, is characterized in that, after detecting current vehicle speed and the Das Gaspedal degree of depth, judges whether vehicle changes current driving pattern.
6. the control method of hybrid electric drive system according to claim 1, is characterized in that, if during closed-center system electricity SOC<SOC0, control system enters series-parallel connection pattern.
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| CN106545423A (en) * | 2016-10-31 | 2017-03-29 | 浙江吉利控股集团有限公司 | Engine control and device, hybrid vehicle |
| CN106394550A (en) * | 2016-12-21 | 2017-02-15 | 厦门市福工动力技术有限公司 | Hybrid power control method and system of small passenger car |
| CN110549837A (en) * | 2018-05-30 | 2019-12-10 | 广州汽车集团股份有限公司 | Hybrid power drive system |
| CN112829739B (en) * | 2019-11-22 | 2023-04-07 | 广州汽车集团股份有限公司 | Method for controlling operating mode of hybrid drive device and hybrid system |
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| CN2693516Y (en) * | 2003-11-21 | 2005-04-20 | 北京理工大学 | Novel drive system for hybrid power automobile |
| CN1895942A (en) * | 2005-07-15 | 2007-01-17 | 中国第一汽车集团公司 | Kinetic system control for double-motor mixed-kinetic automobile |
| JP4234710B2 (en) * | 2005-10-26 | 2009-03-04 | トヨタ自動車株式会社 | Electric vehicle drive control device and control method thereof |
| JP4371381B2 (en) * | 2006-12-27 | 2009-11-25 | トヨタ自動車株式会社 | Hybrid drive device and travel control method for hybrid drive device |
| CN101445043B (en) * | 2008-10-11 | 2010-10-06 | 比亚迪股份有限公司 | Hybrid power-driven system control method |
| CN101628542A (en) * | 2008-07-15 | 2010-01-20 | 中国北方车辆研究所 | Power-split hybrid driving device with blocking function |
| CN102463886B (en) * | 2010-11-04 | 2015-04-15 | 上海捷能汽车技术有限公司 | Hybrid power transmission system and control method thereof |
| CN102009649A (en) * | 2010-12-01 | 2011-04-13 | 重庆长安汽车股份有限公司 | Limited torque clutch control method for power coupling device of hybrid vehicle |
| CN102102740B (en) * | 2011-03-10 | 2012-05-23 | 北京理工大学 | Electromechanical compound transmission device of hybrid vehicle |
| CN102582411A (en) * | 2012-03-06 | 2012-07-18 | 浙江吉利汽车研究院有限公司 | Hybrid driving system and corresponding hybrid driving method |
| CN102555769B (en) * | 2012-03-12 | 2014-12-10 | 重庆大学 | Serial-parallel combined type double-motor hybrid power drive assembly with multiple operating modes |
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