CN105128848A - Method for controlling engine starting during traveling - Google Patents
Method for controlling engine starting during traveling Download PDFInfo
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- CN105128848A CN105128848A CN201510585301.XA CN201510585301A CN105128848A CN 105128848 A CN105128848 A CN 105128848A CN 201510585301 A CN201510585301 A CN 201510585301A CN 105128848 A CN105128848 A CN 105128848A
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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
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- 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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
-
- 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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
- B60W40/105—Speed
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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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine speed
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/08—Electric propulsion units
- B60W2510/081—Speed
-
- 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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/02—Clutches
- B60W2710/021—Clutch engagement state
-
- 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
-
- 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
- B60W2710/0644—Engine speed
-
- 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
- B60W2710/083—Torque
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mathematical Physics (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention provides a method for controlling engine starting during traveling. According to the method, under the pure motor driving condition, when whole vehicle driving requirement is higher or the electric quantity of a power battery is reduced to a certain degree, a motor can not provide sufficient power to meet the requirement, and then a system judges the speed of a vehicle, controls a power assembly to conduct slipping starting when the speed of the vehicle is lower than a preset lower limit value, and controls the power assembly to conduct pulse starting when the speed of the vehicle is higher than a preset upper limit value. If the current speed of the vehicle is between the preset lower limit value and the preset upper limit value, the system controls the power assembly not to start an engine until the speed of the vehicle is lower than the preset lower limit value or higher than the preset upper limit value. According to the method, slipping starting and pulse starting are adopted according to different speeds of the vehicle, and the engine can be controlled to be started steadily and driving smoothness can be guaranteed on the premise that the number of BSG motors is not increased.
Description
Technical field
The present invention relates to the control method of hybrid power automobile power system, particularly relate to the control method that a kind of hybrid electric vehicle enters a fire an engine.
Background technology
21 century is the epoch that facing mankind energy bottleneck and environment are challenged, also it is the epoch that automobile faces new technology revolution, be that will to be transformed into one with new forms of energy be the new high-tech industry supported for the orthodox car industry of main energy sources with oil, environmental protection and energy saving also become the opera involving much singing and action of development of automobile industry gradually.
Hybrid vehicle is in an automobile, adopt two kinds of engine installations and closed-center system simultaneously, is generally combustion engine, power motor and battery, and it makes engine installation and the work of closed-center system organic coordination by advanced control system.When pure motor driving, motor is for providing the whole power driven needed for vehicle.When the electricity of chaufeur power demand increase or electrokinetic cell drops to a certain degree, make motor can not reoffer enough power to meet this demand, now need fast and fire an engine smoothly.The state of this fire an engine can be called a fire an engine of advancing.
In traditional hybrid power automobile power system, the control method of a fire an engine of advancing additionally installs BSG motor additional on dynamic assembly, completes starting by BSG motor drag driving engine, then again in conjunction with the connection between motor and driving engine.Also have method to be directly be connected with driving engine by motor, carry out oil spout igniting after driving engine being dragged to the minimum starting speed of driving engine, control the output torque of speed change box clutch and motor simultaneously, to ensure engine startup, speed of a motor vehicle change is mild.These two kinds of mode one need to increase BSG motor, cause integral vehicle cost higher; One can produce great disturbance when engine starting, affects the driving ride comfort of vehicle.
Summary of the invention
For solving the problem, the invention provides a kind of control method of a start the engine of advancing, it is divided into sliding wear to start and impulse starting two kinds of start modes, when not increasing BSG motor according to the difference of the speed of a motor vehicle, control driving engine smooth starting, ensure to drive ride comfort.
Technical scheme of the present invention is as follows:
The control method of the start the engine of advancing that the present invention proposes, comprising:
Under pure motor driving operating mode, when car load drives the electricity of increase in demand or electrokinetic cell to drop to a certain degree, when making motor can not reoffer enough power to meet this demand, system judges the speed of a motor vehicle, when the speed of a motor vehicle is lower than lower limit preset value time, such as can be set as 30km/h, Systematical control dynamic assembly carries out sliding wear starting, when the speed of a motor vehicle is higher than the upper limit preset value time, such as can be set as 50km/h, Systematical control dynamic assembly carries out impulse starting.If current vehicle speed is between lower limit preset value and upper limit preset value, then the inoperative driving engine of Systematical control dynamic assembly, until the speed of a motor vehicle is carrying out fire an engine lower than lower limit preset value or higher than after upper limit preset value.
Wherein dynamic assembly carries out the mode of sliding wear starting and is:
Speed change box clutch between Systematical control change speed gear box and motor carries out sliding wear, the moment of torsion of speed change box clutch transmission is made to equal operator demand's moment of torsion, improve the moment of torsion of motor simultaneously, control the coupling mechanism power-transfer clutch of driving engine between motor to be slowly combined, work is carried out by motor drag driving engine, by the time driving engine and motor synchronization and stable after, control driving engine and carry out oil spout igniting.After stabilization of speed when engine starting success, control coupling mechanism power-transfer clutch and combine completely, then torque distribution is carried out to motor and driving engine.
The mode that dynamic assembly carries out impulse starting is:
The coupling mechanism power-transfer clutch of Systematical control driving engine between motor is combined rapidly and controls to improve the moment of torsion of motor simultaneously, and the moment of torsion requiring motor to increase equals the towing astern moment of torsion of driving engine, by motor drag driving engine to the minimum starting speed of driving engine.After driving engine reaches its minimum starting speed, coupling mechanism throw-out-of clutch, controls Motor torque simultaneously and return to operator demand's moment of torsion, and control driving engine carries out oil spout igniting.When engine starting success and after the synchronization of rotating speed and motor, control clutch combines completely, then torque distribution is carried out to motor and driving engine.
This control method does not need to increase BSG motor, it have employed sliding wear according to the difference of the speed of a motor vehicle and starts and impulse starting two kinds of start modes, driving engine smooth starting can be controlled, ensure to drive ride comfort, overcome prior art to need produce great disturbance when increasing cost and engine starting, affect the problem of the driving ride comfort of vehicle.
Accompanying drawing explanation
Fig. 1 is the structural representation of the hybrid power automobile power system realizing this method;
Fig. 2 is that the hybrid vehicle originate mode of this method judges journey schematic diagram
Fig. 3 is that the hybrid vehicle sliding wear formula of this method starts schematic flow sheet;
Fig. 4 is that the hybrid vehicle pulsed of this method starts schematic flow sheet;
description of reference numerals:1-speed change box clutch; 2-coupling mechanism power-transfer clutch; 3-driving engine; 4-motor; 5-wheel.
Detailed description of the invention
Below with reference to the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one:
Hybrid power automobile power system comprises speed change box clutch 1, coupling mechanism power-transfer clutch 2, driving engine 3, motor 4, wheel 5 as shown in Figure 1.
Coupling mechanism power-transfer clutch 2 is responsible for connection and the disconnection of connecting engine 3 and motor 4, when coupling mechanism power-transfer clutch 2 in conjunction with time, power system carries out parallel drive and driving engine 3 drives vehicle to travel together with motor 4; When coupling mechanism power-transfer clutch 2 disconnects time, power system carries out pure motor driving and motor 4 drives separately vehicle to travel.In time needing by pure motor driving excessive to parallel drive, require that coupling mechanism power-transfer clutch 2 combines, motor 4, except driving wheel by speed change box clutch 1, also drags driving engine 3 by coupling mechanism power-transfer clutch 2, carries out fire an engine.
Embodiment two:
On the basis of embodiment one, adopt the engine starting modes determination methods of hybrid vehicle of the present invention under pure motoring condition, as shown in Figure 2, comprising:
Steps A 01, car load carries out normal pure motor driving.
Steps A 02, judges whether motor can not meet car load and drive demand, if be judged as "Yes", enters steps A 03, if be judged as "No", returns steps A 01.
Steps A 03, judges that whether the speed of a motor vehicle is lower than lower limit preset value 30km/h, then enters steps A 04A if the judgment is Yes, then enters steps A 04B if the judgment is No.
Steps A 04A, system carries out sliding wear starting.
Steps A 04B, judges that whether the speed of a motor vehicle is higher than upper limit preset value 50km/h, if be judged as "Yes", enters steps A 05, if be judged as "No", returns steps A 01.
In steps A 05, system carries out impulse starting.
Embodiment three:
On the basis of embodiment two, this, the invention provides the control method of the sliding wear fire an engine of hybrid vehicle under pure motoring condition, as shown in Figure 3, comprising:
Step B01, system requirements speed change box clutch is in sliding wear state, and its transmitting torque equals operator demand's moment of torsion, coupling mechanism power-transfer clutch slowly closes, and improves Motor torque simultaneously, and the moment of torsion that motor is increased equals the towing astern moment of torsion of driving engine.
Step B02, judges that whether engine speed is synchronous with motor speed, if be judged as "Yes", enters step B03, if be judged as "No", return step B01.
Step B03, Systematical control driving engine carries out oil spout, igniting.
Step B04, judges whether driving engine starts successfully, if be judged as "Yes", enters step B05, if be judged as "No", then return step B03.
Step B05, controls driving engine and carries out rotating speed control.
Step B06, judges driving engine whether smooth operation, if be judged as "Yes", enters step B07, if be judged as "No", then turn back to step B05.
Step B07, controls Motor torque in conjunction with speed change box clutch simultaneously and equals operator demand's moment of torsion.
Embodiment four:
On the basis of embodiment two, present invention also offers the control method of the impulse starting driving engine of hybrid vehicle under pure motoring condition, as shown in Figure 3, comprising:
Step C01, require that controlling coupling mechanism power-transfer clutch combines fast, improve Motor torque, the moment of torsion that motor increases equals the towing astern moment of torsion of driving engine simultaneously.
Step C02, by motor drag driving engine.
Step C03, judges whether engine speed is more than or equal to minimum starting speed.If be judged as "Yes", enter step C04, if be judged as "No", return step C02.
Step C04, controls driving engine and carries out oil spout, igniting, disconnection coupling mechanism power-transfer clutch, controls Motor torque simultaneously and equals operator demand's moment of torsion.
Step C05, controls driving engine and motor carries out synchronization.
Step C06, judges driving engine and motor whether synchronization, if be judged as "Yes", enters step C07, if be judged as "No", and, returning step C05.
Step C07, in conjunction with coupling mechanism power-transfer clutch.
Step C08, judges whether coupling mechanism power-transfer clutch combines, if be judged as "Yes", enters step C09, if be judged as "No", return step C07.
Step C09, carries out the torque distribution of driving engine and motor.
Claims (4)
1. advance the control method of a fire an engine, it comprises the following steps:
Steps A 01, car load carries out normal pure motor driving;
Steps A 01, judges whether motor can not meet car load and drive demand, if "Yes", enters steps A 03, if "No", returns steps A 01;
Steps A 03, judges that whether the speed of a motor vehicle is lower than lower limit preset value, if "Yes", then enters steps A 04A, if "No", then enters steps A 04B;
Steps A 04A, Systematical control dynamic assembly carries out sliding wear starting;
Steps A 04B, judge that whether the speed of a motor vehicle is higher than upper limit preset value, if "Yes", then enters steps A 05, if "No", then the inoperative driving engine of Systematical control dynamic assembly, returns steps A 01;
Steps A 05, Systematical control dynamic assembly carries out impulse starting.
2. the control method of a fire an engine of advancing according to claim 1, it is characterized in that: described sliding wear starting method is: carry out sliding wear by the speed change box clutch 1 between Systematical control change speed gear box and motor, the moment of torsion that speed change box clutch 1 is transmitted equals operator demand's moment of torsion, improve the moment of torsion of motor simultaneously, the coupling mechanism power-transfer clutch of Systematical control driving engine between motor is slowly combined, work is carried out by motor drag driving engine, by the time driving engine and motor synchronization and stable after, control driving engine and carry out oil spout igniting; After stabilization of speed when engine starting success, control coupling mechanism power-transfer clutch and combine completely, thereafter torque distribution is carried out to motor and driving engine.
3. the control method of a fire an engine of advancing according to claim 1, it is characterized in that: the method for described impulse starting is: the coupling mechanism power-transfer clutch of Systematical control driving engine between motor is combined rapidly the moment of torsion simultaneously controlling to improve motor, the moment of torsion that motor is increased equals the towing astern moment of torsion of driving engine, by motor drag driving engine to the minimum starting speed of driving engine; After driving engine reaches its minimum starting speed, throw off coupling mechanism power-transfer clutch, control Motor torque simultaneously and return to operator demand's moment of torsion, and control driving engine carries out oil spout igniting; When engine starting success and after the synchronization of rotating speed and motor, control clutch combines completely, thereafter torque distribution is carried out to motor and driving engine.
4. the control method of the fire an engine of advancing according to claim 1,2 or 3, is characterized in that: described lower limit preset value is 30km/h, and upper limit preset value is 50km/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585301.XA CN105128848B (en) | 2015-09-15 | 2015-09-15 | The control method of engine is started between a kind of traveling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585301.XA CN105128848B (en) | 2015-09-15 | 2015-09-15 | The control method of engine is started between a kind of traveling |
Publications (2)
| Publication Number | Publication Date |
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| CN105128848A true CN105128848A (en) | 2015-12-09 |
| CN105128848B CN105128848B (en) | 2017-07-25 |
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| CN201510585301.XA Active CN105128848B (en) | 2015-09-15 | 2015-09-15 | The control method of engine is started between a kind of traveling |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107901903A (en) * | 2017-10-13 | 2018-04-13 | 潍柴动力股份有限公司 | The method and motor vehicle driven by mixed power of adjust automatically clutch sliding wear point in driving conditions |
| CN108501934A (en) * | 2018-03-30 | 2018-09-07 | 重庆长安汽车股份有限公司 | A kind of control method of new-energy automobile dynamical system |
| CN108725443A (en) * | 2018-05-30 | 2018-11-02 | 重庆长安汽车股份有限公司 | New-energy automobile and its engine start control method |
| CN109552310A (en) * | 2018-12-29 | 2019-04-02 | 浙江鑫可精密机械有限公司 | A kind of electromechanical power system with retarder of electric vehicle |
| CN110155062A (en) * | 2019-04-11 | 2019-08-23 | 汉腾汽车有限公司 | A kind of automobile gear selecting drive control algorithm of AMT speed changer |
| CN111976696A (en) * | 2020-01-19 | 2020-11-24 | 蜂巢传动科技河北有限公司 | Engine control method and device for hybrid vehicle |
| CN114162108A (en) * | 2021-12-23 | 2022-03-11 | 盛瑞传动股份有限公司 | Method and device for switching drive modes of P2 type hybrid electric vehicle, vehicle and medium |
| WO2022117025A1 (en) * | 2020-12-02 | 2022-06-09 | 长城汽车股份有限公司 | Engine start control method and apparatus, medium, vehicle controller, and vehicle |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107901903A (en) * | 2017-10-13 | 2018-04-13 | 潍柴动力股份有限公司 | The method and motor vehicle driven by mixed power of adjust automatically clutch sliding wear point in driving conditions |
| CN108501934A (en) * | 2018-03-30 | 2018-09-07 | 重庆长安汽车股份有限公司 | A kind of control method of new-energy automobile dynamical system |
| CN108725443A (en) * | 2018-05-30 | 2018-11-02 | 重庆长安汽车股份有限公司 | New-energy automobile and its engine start control method |
| CN109552310A (en) * | 2018-12-29 | 2019-04-02 | 浙江鑫可精密机械有限公司 | A kind of electromechanical power system with retarder of electric vehicle |
| CN110155062A (en) * | 2019-04-11 | 2019-08-23 | 汉腾汽车有限公司 | A kind of automobile gear selecting drive control algorithm of AMT speed changer |
| CN111976696A (en) * | 2020-01-19 | 2020-11-24 | 蜂巢传动科技河北有限公司 | Engine control method and device for hybrid vehicle |
| WO2022117025A1 (en) * | 2020-12-02 | 2022-06-09 | 长城汽车股份有限公司 | Engine start control method and apparatus, medium, vehicle controller, and vehicle |
| CN114162108A (en) * | 2021-12-23 | 2022-03-11 | 盛瑞传动股份有限公司 | Method and device for switching drive modes of P2 type hybrid electric vehicle, vehicle and medium |
| CN114162108B (en) * | 2021-12-23 | 2024-05-07 | 盛瑞传动股份有限公司 | Method and device for switching driving modes of P2 type hybrid electric vehicle, vehicle and medium |
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| CN105128848B (en) | 2017-07-25 |
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Effective date of registration: 20200102 Address after: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Patentee after: Chongqing Chang'an Automobile Co., Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Co-patentee before: Chongqing Chang'an New Energy Automobile Co., Ltd. Patentee before: Chongqing Chang'an Automobile Co., Ltd. |