CN108275141B - Control method for torque pre-control of hybrid double-clutch automatic gearbox - Google Patents

Control method for torque pre-control of hybrid double-clutch automatic gearbox Download PDF

Info

Publication number
CN108275141B
CN108275141B CN201810111831.4A CN201810111831A CN108275141B CN 108275141 B CN108275141 B CN 108275141B CN 201810111831 A CN201810111831 A CN 201810111831A CN 108275141 B CN108275141 B CN 108275141B
Authority
CN
China
Prior art keywords
torque
clutch
engine
judging whether
control
Prior art date
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.)
Expired - Fee Related
Application number
CN201810111831.4A
Other languages
Chinese (zh)
Other versions
CN108275141A (en
Inventor
徐富家
罗贤虎
涂安全
张金超
李星
洪洁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Jianghuai Automobile Group Corp
Original Assignee
Anhui Jianghuai Automobile Group Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Jianghuai Automobile Group Corp filed Critical Anhui Jianghuai Automobile Group Corp
Priority to CN201810111831.4A priority Critical patent/CN108275141B/en
Publication of CN108275141A publication Critical patent/CN108275141A/en
Application granted granted Critical
Publication of CN108275141B publication Critical patent/CN108275141B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W10/00Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W20/00Control systems specially adapted for hybrid vehicles
    • B60W20/40Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2510/00Input parameters relating to a particular sub-units
    • B60W2510/06Combustion engines, Gas turbines
    • B60W2510/0657Engine torque
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2710/00Output or target parameters relating to a particular sub-units
    • B60W2710/02Clutches
    • B60W2710/027Clutch torque

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Automation & Control Theory (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

The invention discloses a control method for torque pre-control of a hybrid double-clutch automatic gearbox, which comprises the steps of sending a torque pre-control instruction to the gearbox; reducing clutch torque in the transmission; judging whether the difference value of the clutch torque and the expected torque of the clutch is smaller than or equal to a first preset value or not; if so, keeping the difference between the clutch torque and the engine torque constant equal to a preset difference; judging whether the engine is started completely or whether a torque pre-control instruction is cancelled; if yes, obtaining the change rate of the engine torque, and obtaining the increase slope of the clutch torque according to the difference value of the engine torque and the clutch torque and the change rate; increasing clutch torque according to the increasing slope; judging whether the absolute value of the difference value of the clutch torque and the engine torque is smaller than or equal to a second preset value or not; if so, torque precontrol is terminated. The control method for torque pre-control of the hybrid double-clutch automatic gearbox provided by the invention realizes that the torque of the clutch can quickly and effectively follow the torque of an engine.

Description

Control method for torque pre-control of hybrid double-clutch automatic gearbox
Technical Field
The invention relates to the technical field of automobiles, in particular to a control method for torque pre-control of a hybrid double-clutch automatic gearbox.
Background
Along with the increasingly severe oil consumption requirements of the country and the requirements of consumers on automobile power, the development of hybrid vehicle models becomes the development trend of various large automobile enterprises, and meanwhile, a wet-type double-clutch automatic transmission (DCT) is carried into the hybrid vehicle models, so that the requirements of the national mandatory oil consumption can be met, and the requirements of the consumers on driving comfort and power performance can also be met.
The power source of the hybrid vehicle type can select whether to switch on the engine according to the actual driving condition in the low-speed driving process, if the engine is started in the driving process, the gearbox needs to prejudge the torque in advance, and the phenomenon that the clutch follows the torque of the engine indiscriminately to cause larger impact in the starting process and influence the driving comfort is avoided.
When an engine of a hybrid vehicle is started in a traveling state, the rotational speed and torque of an input transmission are greatly changed in a short time in order to rapidly bring the engine into a normal operating state. However, the torque of a clutch of the gearbox needs to be pre-judged and cannot directly follow the torque of the engine, after the engine is started, power output is needed, the torque of the clutch needs to be timely lifted by the gearbox to ensure the power output, on one hand, the motor can be assisted to start the engine, and on the other hand, the driving smoothness of the vehicle before and after starting is ensured.
However, in the prior art, after the engine is started, the clutch torque rises according to a fixed slope in the rising stage, but if the rising slope is too small, the clutch torque rises slowly, and the engine torque cannot be transmitted at this time, so that the vehicle flies; if the ramp-up rate is too great, this can result in clutch torque rising too quickly, possibly exceeding the input transmission torque and resulting in late acceleration jerks.
Disclosure of Invention
The invention aims to provide a control method for torque pre-control of a hybrid double-clutch automatic gearbox, which aims to solve the problems in the prior art, realize that the torque of a clutch can quickly and effectively follow the torque of an engine, and avoid the phenomena of engine runaway and later acceleration impact.
The invention provides a control method for torque pre-control of a hybrid double-clutch automatic gearbox, which comprises the following steps:
step A, starting an engine and sending a torque pre-control instruction to a gearbox;
step B, reducing the torque of a clutch in the gearbox;
c, judging whether the difference value of the clutch torque and the expected torque of the clutch is smaller than or equal to a first preset value or not; if yes, entering step D; if not, entering the step B;
d, keeping the difference value between the clutch torque and the engine torque constant equal to a preset difference value;
e, judging whether the engine is started completely or whether a torque pre-control instruction is cancelled; if yes, entering step F; if not, entering the step D;
step F, obtaining the change rate of the engine torque, and obtaining the increase slope of the clutch torque according to the difference value of the engine torque and the clutch torque and the change rate;
step G, increasing the clutch torque according to the increasing slope;
step H, judging whether the absolute value of the difference value between the clutch torque and the engine torque is smaller than or equal to a second preset value or not; if yes, entering step I; if not, entering step F;
and step I, stopping torque pre-control.
The control method for torque precontrol of the hybrid double-clutch automatic gearbox preferably comprises the following steps:
step C1, judging whether the difference value of the clutch torque and the expected clutch torque is less than or equal to a first preset value; if yes, entering step D; if not, go to step C2;
step C2, judging whether the torque precontrol command is forcibly cancelled or not; if yes, entering step F; if not, go to step B.
The control method for torque precontrol of the hybrid double-clutch automatic gearbox comprises the following steps of:
e1, judging whether the engine is started completely or the torque pre-control command is cancelled; if yes, entering step F; if not, go to step E2;
e2, judging whether the absolute value of the difference value between the rotating speed of the driving shaft of the clutch and the rotating speed of the engine is smaller than a third preset value; if so, go to step E3; if not, entering the step D;
step E3, executing clutch sliding friction control;
step E4, reducing the clutch torque;
e5, judging whether the absolute value of the difference value between the rotating speed of the driving shaft of the clutch and the rotating speed of the engine is larger than a fourth preset value or not; if yes, entering step D; if not, go to step E3.
The control method for torque pre-control of the hybrid dual clutch automatic transmission as described above, wherein step E4 is preferably followed by further comprising:
step e1, judging whether the engine is started completely or the torque pre-control command is cancelled; if yes, entering step F; if not, go to step E5.
The control method for torque precontrol of the hybrid double-clutch automatic gearbox comprises the following steps of:
and obtaining the change rate of the engine torque, and obtaining the increase slope of the clutch torque according to the difference value of the engine torque and the clutch torque and the change rate.
The control method for torque precontrol of the hybrid double-clutch automatic gearbox as described above preferably further comprises the following steps before step D:
step d1, judging whether the difference value of the clutch torque and the engine torque is smaller than the preset difference value; if so, go to step d 2; if not, entering the step B;
and d2, increasing the clutch torque until the difference between the clutch torque and the engine torque is equal to the preset difference.
The control method for torque precontrol of the hybrid double-clutch automatic gearbox as described above preferably further comprises, before step a:
step a1, the whole vehicle energy control unit judges whether the engine needs to be started according to the current driving working condition; if yes, go to step A.
The control method for torque pre-control of the hybrid double-clutch automatic gearbox provided by the invention realizes that the torque of the clutch can quickly and effectively follow the torque of an engine, avoids the phenomena of engine runaway and later acceleration impact, and simultaneously improves the driving comfort in the mode switching process.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a flow chart of a control method for torque pre-control of a hybrid dual clutch automatic transmission according to a first embodiment of the present invention;
FIG. 2 is a flowchart of a control method for torque pre-control of a hybrid dual clutch automatic transmission according to a second embodiment of the present invention;
FIG. 3 is a flowchart of a control method for torque pre-control of a hybrid dual clutch automatic transmission according to a third embodiment of the present invention;
fig. 4 is a flowchart of a control method for torque pre-control of a hybrid dual-clutch automatic transmission according to a fourth embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
As shown in fig. 1, an embodiment of the present invention provides a control method for torque pre-control of a hybrid dual-clutch automatic transmission, which includes the following steps:
and step A, starting the engine and sending a torque pre-control instruction to the gearbox.
And step B, reducing the clutch torque in the gearbox, namely, the clutch torque enters a torque reduction stage.
C, judging whether the difference value of the clutch torque and the expected torque of the clutch is smaller than or equal to a first preset value or not; if yes, entering step D; if not, go to step B.
And D, keeping the difference value of the clutch torque and the engine torque constantly equal to a preset difference value, namely, the clutch torque enters a torque keeping stage.
E, judging whether the engine is started completely or whether a torque pre-control instruction is cancelled; if yes, entering step F; if not, go to step D. And when the engine finishes starting or cancels the torque pre-control command, the torque holding phase is finished.
And F, obtaining the change rate of the engine torque, and obtaining the increase slope of the clutch torque according to the difference value and the change rate of the engine torque and the clutch torque, namely the clutch torque starts to enter a torque rising stage.
It can be understood that, in the prior art, the clutch torque rises according to a fixed slope in the rising stage, but if the rising slope is too small, the clutch torque rises slowly, and the engine torque cannot be transmitted at this time, so that the vehicle flies; if the ramp-up rate is too great, this can result in clutch torque rising too quickly, possibly exceeding the input transmission torque and resulting in late acceleration jerks. In the embodiment, the increase slope of the clutch torque can be obtained according to the difference value and the change rate of the engine torque and the clutch torque, and the clutch torque is increased according to the increase slope obtained at different moments, so that an optimal value can be provided for the increase of the clutch torque, the clutch torque can quickly and effectively follow the engine torque, and the phenomena of engine runaway and later acceleration impact are avoided.
And G, increasing the clutch torque according to the increasing slope.
Step H, judging whether the absolute value of the difference value of the clutch torque and the engine torque is smaller than or equal to a second preset value or not; if yes, entering step I; if not, go to step F.
And step I, stopping torque pre-control.
It should be noted that, before step a, the method may further include:
step a1, judging whether an engine needs to be started or not according to the current driving working condition through a whole vehicle energy control unit; if yes, go to step A. And when the gearbox receives a torque pre-control instruction sent by a vehicle energy control unit (HVCU), the gearbox enters a torque pre-control state according to the current states of an accelerator pedal, the vehicle speed, gears and the like.
Specifically, step F may specifically include:
the rate of change of the engine torque is obtained, and the increasing slope of the clutch torque is obtained according to the difference value of the engine torque and the clutch torque and the rate of change.
Further, as shown in fig. 2, step C may specifically include:
step C1, judging whether the difference value of the clutch torque and the expected torque of the clutch is less than or equal to a first preset value; if yes, entering step D; if not, go to step C2.
C2, judging whether the torque precontrol command is forcibly cancelled or not; if yes, entering step F; if not, go to step B.
Further, as shown in fig. 3, step E may specifically include:
e1, judging whether the engine is started completely or the torque pre-control command is cancelled; if yes, entering step F; if not, go to step E2.
E2, judging whether the absolute value of the difference value between the rotating speed of the driving shaft of the clutch and the rotating speed of the engine is smaller than a third preset value; if so, go to step E3; if not, go to step D.
And E3, executing the clutch slipping control, namely, the clutch torque enters the slipping control stage.
And E4, reducing the clutch torque.
E5, judging whether the absolute value of the difference value between the rotating speed of the driving shaft of the clutch and the rotating speed of the engine is larger than a fourth preset value or not; if yes, entering step D; if not, go to step E3.
Further, as shown in fig. 4, step E4 may be followed by:
step e1, judging whether the engine is started completely or the torque pre-control command is cancelled; if yes, entering step F; if not, go to step E5.
Further, before step D, the method may further include:
step d1, judging whether the difference value of the clutch torque and the engine torque is smaller than a preset difference value; if so, go to step d 2; if not, go to step B.
And d2, increasing the clutch torque until the difference between the clutch torque and the engine torque is equal to the preset difference.
The control method for torque pre-control of the hybrid double-clutch automatic gearbox provided by the embodiment of the invention realizes that the torque of the clutch can quickly and effectively follow the torque of an engine, avoids the phenomena of engine runaway and later acceleration impact, and simultaneously improves the driving comfort in the mode switching process.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.

Claims (7)

1. A control method for torque pre-control of a hybrid double-clutch automatic gearbox is characterized by comprising the following steps:
step A, starting an engine and sending a torque pre-control instruction to a gearbox;
step B, reducing the torque of a clutch in the gearbox;
c, judging whether the difference value of the clutch torque and the expected torque of the clutch is smaller than or equal to a first preset value or not; if yes, entering step D; if not, entering the step B;
d, keeping the difference value between the clutch torque and the engine torque constant equal to a preset difference value;
e, judging whether the engine is started completely or whether a torque pre-control instruction is cancelled; if yes, entering step F; if not, entering the step D;
step F, obtaining the change rate of the engine torque, and obtaining the increase slope of the clutch torque according to the difference value of the engine torque and the clutch torque and the change rate;
step G, increasing the clutch torque according to the increasing slope;
step H, judging whether the absolute value of the difference value between the clutch torque and the engine torque is smaller than or equal to a second preset value or not; if yes, entering step I; if not, entering step F;
and step I, stopping torque pre-control.
2. The control method for torque precontrol of the hybrid double-clutch automatic transmission according to claim 1, wherein the step C specifically comprises the following steps:
step C1, judging whether the difference value of the clutch torque and the expected clutch torque is less than or equal to a first preset value; if yes, entering step D; if not, go to step C2;
step C2, judging whether the torque precontrol command is forcibly cancelled or not; if yes, entering step F; if not, go to step B.
3. The control method for torque precontrol of the hybrid double-clutch automatic transmission according to claim 2, wherein the step E specifically comprises the following steps:
e1, judging whether the engine is started completely or the torque pre-control command is cancelled; if yes, entering step F; if not, go to step E2;
e2, judging whether the absolute value of the difference value between the rotating speed of the driving shaft of the clutch and the rotating speed of the engine is smaller than a third preset value; if so, go to step E3; if not, entering the step D;
step E3, executing clutch sliding friction control;
step E4, reducing the clutch torque;
e5, judging whether the absolute value of the difference value between the rotating speed of the driving shaft of the clutch and the rotating speed of the engine is larger than a fourth preset value or not; if yes, entering step D; if not, go to step E3.
4. The control method for torque precontrol of a hybrid dual-clutch automatic transmission according to claim 3, characterized in that step E4 is followed by further comprising:
step e1, judging whether the engine is started completely or the torque pre-control command is cancelled; if yes, entering step F; if not, go to step E5.
5. The control method for torque precontrol of the hybrid double-clutch automatic transmission according to claim 1, wherein the step F specifically comprises the following steps:
and obtaining the change rate of the engine torque, and obtaining the increase slope of the clutch torque according to the difference value of the engine torque and the clutch torque and the change rate.
6. The control method for torque precontrol of a hybrid dual-clutch automatic transmission according to claim 1, further comprising, before step D:
step d1, judging whether the difference value of the clutch torque and the engine torque is smaller than the preset difference value; if so, go to step d 2; if not, entering the step B;
and d2, increasing the clutch torque until the difference between the clutch torque and the engine torque is equal to the preset difference.
7. The control method for torque precontrol of a hybrid dual-clutch automatic transmission according to claim 1, characterized by further comprising, before step a:
step a1, the whole vehicle energy control unit judges whether the engine needs to be started according to the current driving working condition; if yes, go to step A.
CN201810111831.4A 2018-02-05 2018-02-05 Control method for torque pre-control of hybrid double-clutch automatic gearbox Expired - Fee Related CN108275141B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810111831.4A CN108275141B (en) 2018-02-05 2018-02-05 Control method for torque pre-control of hybrid double-clutch automatic gearbox

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810111831.4A CN108275141B (en) 2018-02-05 2018-02-05 Control method for torque pre-control of hybrid double-clutch automatic gearbox

Publications (2)

Publication Number Publication Date
CN108275141A CN108275141A (en) 2018-07-13
CN108275141B true CN108275141B (en) 2020-04-28

Family

ID=62807648

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810111831.4A Expired - Fee Related CN108275141B (en) 2018-02-05 2018-02-05 Control method for torque pre-control of hybrid double-clutch automatic gearbox

Country Status (1)

Country Link
CN (1) CN108275141B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109578577B (en) * 2018-12-18 2020-10-09 安徽江淮汽车集团股份有限公司 Torque following control method for wet-type double-clutch automatic gearbox
CN110185786A (en) * 2019-04-11 2019-08-30 汉腾汽车有限公司 A kind of algorithm for looking into torque gradient function by torque
CN110397730B (en) * 2019-07-24 2020-07-10 重庆长安汽车股份有限公司 Control method for power downshift and rotation speed synchronization of dual-clutch automatic transmission
CN110939730A (en) * 2019-12-29 2020-03-31 盛瑞传动股份有限公司 Control method of clutch in torque exchange stage of automatic gearbox
CN111002971B (en) * 2019-12-30 2021-02-19 宁波吉利汽车研究开发有限公司 Torque control method for starting clutch of engine of hybrid electric vehicle
CN112196995B (en) * 2020-10-12 2021-09-17 安徽建筑大学 Automatic gearbox torque pre-control and gear shifting coordination control method and device and automobile

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102007029A (en) * 2008-04-04 2011-04-06 爱信Ai株式会社 Hybrid power unit control system
CN102009588A (en) * 2010-11-10 2011-04-13 清华大学 Single-motor double-clutch hybrid power vehicle engine starting coordination control method
CN102490718A (en) * 2011-11-30 2012-06-13 重庆大学 Control method utilizing motor to start engine for double-clutch type hybrid electric vehicle
CN104709274A (en) * 2013-12-16 2015-06-17 比亚迪股份有限公司 Hybrid power automobile, starting system of engine of hybrid power automobile and starting control method of engine of hybrid power automobile
CN106864449A (en) * 2015-12-11 2017-06-20 现代自动车株式会社 The apparatus and method that control includes the hybrid electric vehicle of double-clutch speed changer
CN107420535A (en) * 2017-08-29 2017-12-01 安徽江淮汽车集团股份有限公司 A kind of moment of torsion Pre-control System and method based on double clutch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101744837B1 (en) * 2016-07-29 2017-06-08 현대자동차 주식회사 Power transmission system of hybrid electric vehicle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102007029A (en) * 2008-04-04 2011-04-06 爱信Ai株式会社 Hybrid power unit control system
CN102009588A (en) * 2010-11-10 2011-04-13 清华大学 Single-motor double-clutch hybrid power vehicle engine starting coordination control method
CN102490718A (en) * 2011-11-30 2012-06-13 重庆大学 Control method utilizing motor to start engine for double-clutch type hybrid electric vehicle
CN104709274A (en) * 2013-12-16 2015-06-17 比亚迪股份有限公司 Hybrid power automobile, starting system of engine of hybrid power automobile and starting control method of engine of hybrid power automobile
CN106864449A (en) * 2015-12-11 2017-06-20 现代自动车株式会社 The apparatus and method that control includes the hybrid electric vehicle of double-clutch speed changer
CN107420535A (en) * 2017-08-29 2017-12-01 安徽江淮汽车集团股份有限公司 A kind of moment of torsion Pre-control System and method based on double clutch

Also Published As

Publication number Publication date
CN108275141A (en) 2018-07-13

Similar Documents

Publication Publication Date Title
CN108275141B (en) Control method for torque pre-control of hybrid double-clutch automatic gearbox
CN110949142B (en) AMT gear shifting process control method
KR101651032B1 (en) Method for operating a drive train of a motor vehicle having a freewheeling engine-off function, control device and motor vehicle
CN109249924B (en) Hybrid vehicle engine start control method and computer readable storage medium
CN100538104C (en) Be used for preventing the method for automobile load change impacts
US9145146B2 (en) Vehicle and method of control thereof
EP3179125B1 (en) Vehicle control device, and vehicle control method
US20050009665A1 (en) Powertrain system of hybrid electric vehicle
US8798836B2 (en) Control device for hybrid vehicle
KR101704191B1 (en) Torque intervention for hybrid vehicle and method thereof
CN109322990B (en) Sliding working condition torque control method
CN105465352B (en) A kind of automatic transmission automatic start-stop control method of Transmission System
CN103032563A (en) Shift control method for automated manual transmission in a hybrid vehicle
WO2013114623A1 (en) Vehicle control device
JP2005163807A (en) Drive device of hybrid vehicle
CN111237359A (en) Intelligent clutch control system and control method
CN109944935B (en) Automatic downshift control method and control system for electric vehicle
US20180086335A1 (en) Method for Operating a Drive Device for a Motor Vehicle and Corresponding Drive Device
CN109552311B (en) Gear shifting control method of hybrid electric vehicle based on multi-mode brake
KR20170033177A (en) Method for controlling driving of vehicles
CN106523688B (en) Method for crawling moment of torsion control of the freeing vehicle before parking
KR20160091994A (en) Method and system for starting a combustion engine
CN111824150B (en) Transmission launch control method and computer-readable storage medium
CN111516671A (en) Torque control method and device of hybrid vehicle and storage medium
JP2011226640A (en) Control method of drive train of automobile having automatic clutch

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200428

CF01 Termination of patent right due to non-payment of annual fee