CN108422992A - A kind of control method of hybrid electric vehicle engine idling - Google Patents
A kind of control method of hybrid electric vehicle engine idling Download PDFInfo
- Publication number
- CN108422992A CN108422992A CN201810284466.7A CN201810284466A CN108422992A CN 108422992 A CN108422992 A CN 108422992A CN 201810284466 A CN201810284466 A CN 201810284466A CN 108422992 A CN108422992 A CN 108422992A
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- CN
- China
- Prior art keywords
- control
- engine
- driving motor
- idling
- torque
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- 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
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/15—Control strategies specially adapted for achieving a particular effect
-
- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0666—Engine torque
-
- 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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/08—Electric propulsion units
- B60W2710/081—Speed
-
- 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
Abstract
The invention discloses a kind of control methods of hybrid electric vehicle engine idling, are included under hybrid power crawling pattern, and when driver needs engine idling, Eng ine Idling Control is carried out according to following control process：It controls engine and carries out moment of torsion control；It controls driving motor and carries out rotating speed control, the rotating speed of target of driving motor is idling speed.Wherein, crawling pattern refer to after vehicle launch driver do not step on braking, do not step on the gas under vehicle can be certain speed movement.Driving motor rotating speed control accuracy of the present invention is higher by 60% or so than the control of conventional engines rotating speed, has the advantages that Eng ine Idling Control is steady.
Description
Technical field
The present invention relates to the control methods of mixed power vehicle dynamic system more particularly to a kind of hybrid vehicle to start
The control method of machine idling.
Background technology
21 century is the epoch of facing mankind energy bottleneck and environment challenge, when also will be that automobile faces technological innovation
In generation, will be transformed into one as the orthodox car industry of main energy sources using oil and be produced with the new and high technology that new energy is support
Industry, environmental protection and energy saving are increasingly becoming the opera involving much singing and action of development of automobile industry.
Currently, the main power source of hybrid vehicle is driving motor and engine, when vehicle carries out idling in parallel
When, engine and driving motor rigid connection, engine carry out rotating speed control, and driving motor is driven to be rotated.
If during vehicle parallel connection idling, motor rotary inertia is big and when engine displacement is small, then, the control
Method cannot be guaranteed that idling is steady.Referring to Fig. 1, starter motor 1 is mounted on engine 2, engine 2 and 3 rigidity of driving motor
Connection, driving motor 3 link together with gearbox 4, and gearbox 4 links together with transmission system 5.In control engine 2
When carrying out idling in parallel together with driving motor 3, engine 2 drives driving motor 3 to carry out rotating speed control.2 row of engine
Measure it is smaller, the period being adjusted it is long and to drive driving motor 3 carry out rotating speed control.It was controlled in entire rotating speed
Cheng Zhong, engine 2 are shaken larger.
Invention content
In view of this, the purpose of the present invention is to provide a kind of control method of hybrid electric vehicle engine idling, it should
Control method can make engine shake smaller during idling, and idling is more stable.
To achieve the goals above, the present invention provides following technical solutions：
A kind of control method of hybrid electric vehicle engine idling, including following control process：
Idle speed control：It controls engine and carries out moment of torsion control；It controls driving motor and carries out rotating speed control, the mesh of driving motor
Mark rotating speed is idling speed.
Preferably, in above-mentioned control method, when detecting engine start success, into the idle speed control, and
When controlling engine progress moment of torsion control, the torque of engine is driving motor power generation torque.
Preferably, in above-mentioned control method, when detecting car deceleration parking, into the idle speed control, and
When controlling engine progress moment of torsion control, the torque of engine is driving motor power generation torque.
Preferably, in above-mentioned control method, when detecting the non-crawling of automobile progress when driving, into the idling control
System, and when controlling engine progress moment of torsion control, the torque of engine is driving motor power generation torque.
Preferably, in above-mentioned control method, when detecting that automobile carries out crawling when driving, into the idle speed control,
And when controlling engine progress moment of torsion control, the torque of engine is the sum of driving motor power generation torque and driving torque.
The control method of hybrid electric vehicle engine idling provided by the invention is included in hybrid power crawling pattern
Under, when driver needs engine idling, Eng ine Idling Control is carried out according to following control process：Engine is controlled to carry out
Moment of torsion control；It controls driving motor and carries out rotating speed control, the rotating speed of target of driving motor is idling speed.Wherein, crawling pattern
Refer to after vehicle launch driver do not step on braking, do not step on the gas under vehicle can be certain speed movement.The present invention drives electricity
Machine rotating speed control accuracy is higher by 60% or so than the control of conventional engines rotating speed, has the advantages that Eng ine Idling Control is steady.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is power system architecture arrangement schematic diagram in the prior art；
Fig. 2 is the flow chart of the control method in the specific embodiment of the invention.
In Fig. 1：
1- starter motors, 2- engines, 3- driving motors, 4- gearboxes, 5- transmission systems.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 2 is please referred to, Fig. 2 is the flow chart of the control method in the specific embodiment of the invention.
In a kind of specific embodiment scheme, the control method of hybrid electric vehicle engine idling provided by the invention,
Including following rate-determining steps：
A1：Engine start enters step A2.
A2：Judge whether engine starts success, if it is judged that be no, then enter step A1 and continue to start and start
Machine；If it is judged that being yes, then A3 is entered step.
A3：Idle speed control, control engine carry out moment of torsion control, and the torque of engine is driving motor power generation torque, should
Torque is related to current power battery capacity and the economic point of engine work, and control driving motor carries out rotating speed control, driving electricity
The rotating speed of machine is idling speed；Enter step A4.
A4：Judge driver whether have traveling driving be intended to, i.e., driver whether bend the throttle, if it is determined that knot
Fruit is no, then return to step A3 continues idle speed control；If it is judged that being yes, then A5 is entered step.Wherein, this method can be with
Detect whether automobile will start running driving by sensor device, to judge whether driver has traveling driving meaning
Figure.
A5：Judge whether driver there is non-crawling traveling driving to be intended to, i.e. the non-active bend the throttle of driver, such as
Fruit judging result is no, then is directly entered the idle speed control that step B1 carries out crawling traveling, and step B1 is specially：Control engine
Moment of torsion control is carried out, the torque of engine is the sum of driving motor power generation torque and driving torque, and control driving motor is turned
The rotating speed of speed control, driving motor is crawling idling speed, and step B1 is directly entered step B2；If it is judged that be it is yes, then
Enter step A6.Wherein, this method can detect whether automobile will start non-crawling traveling driving by sensor device, from
And judge whether driver there is non-crawling crawling traveling driving to be intended to.
A6：The idle speed control of non-crawling traveling, control engine carry out moment of torsion control, and the torque of engine is driving motor
Power generation torque, control driving motor carry out rotating speed control, and the rotating speed of driving motor is idling speed；Enter step A7.
A7：Judge driver whether have ramp to stop be intended to, that is, judge driver whether active brake pedal, such as
Fruit judging result is no, then return to step A6；If it is judged that being yes, then A8 is entered step.Wherein, this method can pass through
Whether entire car controller or other sensors device reduce speed now parking to detect automobile, to judge whether driver has
Ramp to stop is intended to.
B2：Judge whether driver there is ramp to stop to be intended to, if it is judged that being no, then return to step B1；If
Judging result is yes, then enters step A8.
A8：Idle speed control, control engine carry out moment of torsion control, and the torque of engine is driving motor power generation torque, control
Driving motor processed carries out rotating speed control, and engine can be continued for output torque, and the rotating speed of driving motor is idling speed.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (5)
1. a kind of control method of hybrid electric vehicle engine idling, which is characterized in that including following control process：
Idle speed control：It controls engine and carries out moment of torsion control；It controls driving motor and carries out rotating speed control, the target of driving motor turns
Speed is idling speed.
2. control method according to claim 1, which is characterized in that when detecting engine start success, into institute
Idle speed control is stated, and when controlling engine progress moment of torsion control, the torque of engine is driving motor power generation torque.
3. control method according to claim 1, which is characterized in that when detecting car deceleration parking, into described
Idle speed control, and when controlling engine progress moment of torsion control, the torque of engine is driving motor power generation torque.
4. control method according to claim 1, which is characterized in that when detecting that automobile carries out non-crawling when driving, into
Enter the idle speed control, and when controlling engine progress moment of torsion control, the torque of engine is driving motor power generation torque.
5. control method according to claim 1, which is characterized in that when detecting automobile progress crawling when driving, enter
The idle speed control, and when controlling engine progress moment of torsion control, the torque of engine is driving motor power generation torque and drive
The sum of dynamic torque.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810284466.7A CN108422992B (en) | 2018-04-02 | 2018-04-02 | Method for controlling idling of engine of hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810284466.7A CN108422992B (en) | 2018-04-02 | 2018-04-02 | Method for controlling idling of engine of hybrid electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108422992A true CN108422992A (en) | 2018-08-21 |
| CN108422992B CN108422992B (en) | 2021-02-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810284466.7A Active CN108422992B (en) | 2018-04-02 | 2018-04-02 | Method for controlling idling of engine of hybrid electric vehicle |
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| Country | Link |
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| CN (1) | CN108422992B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109131311A (en) * | 2018-10-09 | 2019-01-04 | 重庆长安汽车股份有限公司 | Idling wobble control method, device, medium, the equipment of hybrid vehicle |
| CN113370981A (en) * | 2021-07-22 | 2021-09-10 | 蜂巢传动系统(江苏)有限公司保定研发分公司 | Idle speed control method and device of hybrid electric vehicle and vehicle |
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| CN101402360A (en) * | 2007-10-30 | 2009-04-08 | 奇瑞汽车股份有限公司 | Power generation control method for motor of hybrid power automobile |
| CN103261674A (en) * | 2010-10-18 | 2013-08-21 | 日产自动车株式会社 | Idling control device for vehicle |
| CN105253140A (en) * | 2015-11-09 | 2016-01-20 | 潍柴动力股份有限公司 | Control method of monoaxial parallel hybrid power system |
| US20160368484A1 (en) * | 2015-06-19 | 2016-12-22 | Hyundai Motor Company | Method and device for controlling start time of engine in hybrid vehicle |
| DE102015111971A1 (en) * | 2015-07-23 | 2017-01-26 | Borgward Trademark Holdings Gmbh | Speed regulation method for a hybrid electric vehicle during shifting and drive system for a hybrid electric vehicle |
| CN107776566A (en) * | 2016-08-24 | 2018-03-09 | 福特全球技术公司 | System and method for controlling the motor vehicle driven by mixed power in parking gear or neutral |
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Patent Citations (6)
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| CN101402360A (en) * | 2007-10-30 | 2009-04-08 | 奇瑞汽车股份有限公司 | Power generation control method for motor of hybrid power automobile |
| CN103261674A (en) * | 2010-10-18 | 2013-08-21 | 日产自动车株式会社 | Idling control device for vehicle |
| US20160368484A1 (en) * | 2015-06-19 | 2016-12-22 | Hyundai Motor Company | Method and device for controlling start time of engine in hybrid vehicle |
| DE102015111971A1 (en) * | 2015-07-23 | 2017-01-26 | Borgward Trademark Holdings Gmbh | Speed regulation method for a hybrid electric vehicle during shifting and drive system for a hybrid electric vehicle |
| CN105253140A (en) * | 2015-11-09 | 2016-01-20 | 潍柴动力股份有限公司 | Control method of monoaxial parallel hybrid power system |
| CN107776566A (en) * | 2016-08-24 | 2018-03-09 | 福特全球技术公司 | System and method for controlling the motor vehicle driven by mixed power in parking gear or neutral |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109131311A (en) * | 2018-10-09 | 2019-01-04 | 重庆长安汽车股份有限公司 | Idling wobble control method, device, medium, the equipment of hybrid vehicle |
| CN113370981A (en) * | 2021-07-22 | 2021-09-10 | 蜂巢传动系统(江苏)有限公司保定研发分公司 | Idle speed control method and device of hybrid electric vehicle and vehicle |
| CN113370981B (en) * | 2021-07-22 | 2022-06-21 | 蜂巢传动系统(江苏)有限公司保定研发分公司 | Idle speed control method and device of hybrid electric vehicle and vehicle |
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| Publication number | Publication date |
|---|---|
| CN108422992B (en) | 2021-02-26 |
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