CN108382387A - Vehicle drive control method - Google Patents
Vehicle drive control method Download PDFInfo
- Publication number
- CN108382387A CN108382387A CN201810029650.7A CN201810029650A CN108382387A CN 108382387 A CN108382387 A CN 108382387A CN 201810029650 A CN201810029650 A CN 201810029650A CN 108382387 A CN108382387 A CN 108382387A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000012876 topography Methods 0.000 claims abstract description 14
- 239000004576 sand Substances 0.000 claims abstract description 9
- 238000002474 experimental method Methods 0.000 claims abstract description 4
- 238000011161 development Methods 0.000 abstract description 7
- 238000011217 control strategy Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 241000153246 Anteros Species 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
- B60W10/119—Conjoint control of vehicle sub-units of different type or different function including control of all-wheel-driveline means, e.g. transfer gears or clutches for dividing torque between front and rear axle
-
- 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
-
- 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
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
-
- 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
- B60W10/20—Conjoint control of vehicle sub-units of different type or different function including control of steering systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/182—Selecting between different operative modes, e.g. comfort and performance modes
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/84—Data processing systems or methods, management, administration
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The present invention relates to vehicle traveling control field more particularly to a kind of full landform control methods.The full topography system ATS of vehicle is divided into electronic stability subsystem ESP, engine control subsystem EMS, transmission control subsystem TCU, 4 wheel driven control subsystem TCCU, electrical steering subsystem EPS by a kind of vehicle drive control method；If landform is divided into Ganlei, and the working condition of subsystem is divided into several shelves；All kinds of landform and the working condition of subsystems are corresponded by experiment, vehicle is made to be easier to drive in all kinds of landform.The landform includes automatic mode, motor pattern, snow field mode, muddy ground pattern, sand ground pattern, petromodel, economic model.ATS of the present invention is according to mode switch request, to the subsystems sending mode switching command such as EMS/TCU/TCCU/ESP/EPS, and will after switching feedback of status to ATS systems, realize the vehicle performance under different terrain pattern, specifically there is framework simple, operation intelligence, the advantages such as development cost is low, and the development cycle is short.
Description
Technical field
The present invention relates to vehicle traveling control field more particularly to a kind of full landform control methods.
Background technology
Orthodox car chassis four-wheel drive system is closed-loop control system, only realizes the distribution of vehicle antero posterior axis torque, does not adapt to
The demand of different terrain.There are Land Rover/jeep etc., full topography system ATS (all using the vehicle of full topography system enterprise at present
Terrain system) by operation-control switch, realize that vehicle driving model variation, enhancing vehicle are suitable under different road conditions
Should be able to power, control module be independent control, full landform control system to each subsystem send switching command, including with
The problems such as electric stabilizing system carries out complicated logic interaction, and it is complicated that there are frameworks, and development cost is high, and the development cycle is longer.
Invention content
Technical problem to be solved by the invention is to provide a kind of vehicle drive control methods, and the control method is according to difference
The characteristic of landform is divided into several driving modes, by the systems such as integrated control engine, speed changer, 4 wheel driven, ESP, EPS,
Ripe effective driving habit parametrization matches from different orographic models, different by controlling orographic model switch selection
Orographic model realizes the vehicle performance under different terrain pattern, specifically has framework simple, operation intelligence, and development cost is low etc. excellent
Gesture.
The invention is realized in this way：A kind of vehicle drive control method first draws the full topography system ATS of vehicle
It is divided into electronic stability subsystem ESP, engine control subsystem EMS, transmission control subsystem TCU, 4 wheel driven control subsystem
TCCU, electrical steering subsystem EPS；
Then, if landform is divided into Ganlei, and the working condition of subsystem is divided into several shelves；
Finally, all kinds of landform and the working condition of subsystems are corresponded by experiment, makes vehicle all kinds of
In shape more
It is easy to drive.
The landform includes automatic mode, motor pattern, snow field mode, muddy ground pattern, sand ground pattern, petromodel, warp
Ji pattern.
The electronic stability subsystem ESP by braking mode be divided into orographic model several shelves correspondingly, it is described
Braking mode is related with vehicle speed range, front wheel angle range, yaw angle sensor angles, left and right difference in wheel range.
The engine control subsystem EMS includes several gas pedal curves, is selected according to orographic model.
The transmission control subsystem TCUS includes several shift curves, is selected according to orographic model.
The 4 wheel driven control subsystem TCCU is turned round by antero posterior axis speed discrepancy range, front wheel angle range, speed changer output
Square range etc. carries out 4 wheel driven torque distribution, and several torque methods of salary distribution are arranged altogether, are selected according to orographic model.
The electrical steering subsystem EPS is divided into several shelves according to power steering curve, is selected according to orographic model
It selects.
ATS systems in vehicle drive control method of the present invention are according to mode switch request, to EMS/TCU/TCCU/ESP/
The subsystems sending mode switching command such as EPS, subsystem according to switching command carry out corresponding state switching, and will switching after state
ATS systems are fed back to, the vehicle performance under different terrain pattern is realized, specifically has framework simple, operation intelligence, development cost
It is low, the advantages such as the development cycle is short.
Description of the drawings
Fig. 1 is vehicle drive control method control logic block diagram of the present invention.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after having read the content of the invention stated, people in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
Embodiment 1
As shown in Figure 1, it is steady to be divided into electronics first by a kind of vehicle drive control method by the full topography system ATS of vehicle
Stator system ESP, engine control subsystem EMS, transmission control subsystem TCU, 4 wheel driven control subsystem TCCU, electronics turn
To subsystem EPS；
Then, if landform is divided into Ganlei, and the working condition of subsystem is divided into several shelves；
Finally, all kinds of landform and the working condition of subsystems are corresponded by experiment, makes vehicle all kinds of
It is easier to drive in shape.
The present invention can be further depicted as, and the landform includes automatic mode, motor pattern, snow field mode, muddy ground mould
7 kinds of formula, sand ground pattern, petromodel, economic model patterns, when being controlled, according to the difference of pattern to subsystems
Carry out state modulator.
The electronic stability subsystem ESP by braking mode be divided into orographic model several shelves correspondingly, it is described
Braking mode is related with vehicle speed range, front wheel angle range, yaw angle sensor angles, left and right difference in wheel range；In this implementation
In example, preferably, being divided into automatic, movement, snowfield, muddy ground, sand ground, rock, 7 grades of economy；
The engine control subsystem EMS includes several gas pedal curves, is selected according to orographic model；
In the present embodiment, preferably, being divided into economic, common, movement third gear gas pedal curve；
The transmission control subsystem TCUS includes several shift curves, is selected according to orographic model；
In the present embodiment, preferably, being divided into five kinds of economic, common, movement, snowfield, 4L shift curves；
The 4 wheel driven control subsystem TCCU is turned round by antero posterior axis speed discrepancy range, front wheel angle range, speed changer output
Square range etc. carries out 4 wheel driven torque distribution, and several torque methods of salary distribution are arranged altogether, are selected according to orographic model；In this implementation
In example, preferably, being divided into tetra- kinds of torque methods of salary distribution of 2H, AUTO, 4H, 4L.
The electrical steering subsystem EPS is divided into several shelves according to power steering curve, is selected according to orographic model
It selects in the present embodiment, preferably, being divided into light shelves and weight shelves two states.
As shown in table 1, it is the control strategy of corresponding each subsystem under each orographic model：
When full topography system is switched to automatic mode, the ESP subsystems enter automatic transmission, engine control subsystem
The EMS that unites enters common gas pedal curve, transmission control subsystem TCU enters common shift curve, 4 wheel driven control subsystem
TCCU enters the AUTO torques method of salary distribution, EPS subsystems enter light shelves state；
When full topography system is switched to motor pattern, the ESP subsystems enter movement shelves, engine control subsystem
System EMS enters movement gas pedal curve, transmission control subsystem TCU enters movement shift curve, 4 wheel driven control subsystem
TCCU enters the AUTO torques method of salary distribution, EPS subsystems enter weight shelves state；
When full topography system is switched to snow field mode, the ESP subsystems enter snowfield shelves, engine control subsystem
System EMS enters common gas pedal curve, transmission control subsystem TCU enters snowfield shift curve, 4 wheel driven control subsystem
TCCU enters the AUTO torques method of salary distribution, EPS subsystems enter light shelves state；
When full topography system is switched to muddy ground pattern, the ESP subsystems enter muddy ground shelves, engine control subsystem
System EMS enters movement gas pedal curve, transmission control subsystem TCU enters movement shift curve, 4 wheel driven control subsystem
TCCU enters the 4H torques method of salary distribution, EPS subsystems enter light shelves state；
When full topography system is switched to sand ground pattern, the ESP subsystems enter sand ground shelves, engine control subsystem
System EMS enters movement gas pedal curve, transmission control subsystem TCU enters movement shift curve, 4 wheel driven control subsystem
TCCU enters the 4H torques method of salary distribution, EPS subsystems enter light shelves state；
When full topography system is switched to petromodel, the ESP subsystems enter rock shelves, engine control subsystem
System EMS enters common gas pedal curve, transmission control subsystem TCU enters 4L shift curves, 4 wheel driven control subsystem
TCCU enters the 4L torques method of salary distribution, EPS subsystems enter light shelves state；
When full topography system is switched to economic model, the ESP subsystems enter economic gear, engine control subsystem
EMS enters economic gas pedal curve to system, transmission control subsystem TCU enters economic shift curve, 4 wheel driven control subsystem
TCCU enters the 2H torques method of salary distribution, EPS subsystems enter light shelves state；
| Orographic model | ESP | EMS | TCU | TCCU | EPS |
| Automatic mode | Automatically | Commonly | Commonly | Auto | Light shelves |
| Motor pattern | Movement | Movement | Movement | Auto | Weight shelves |
| Snow field mode | Snowfield | Commonly | Snowfield | Auto | Light shelves |
| Muddy ground pattern | Muddy ground | Commonly | Movement | 4H | Light shelves |
| Sand ground pattern | Sand ground | Movement | Movement | 4H | Light shelves |
| Petromodel | Rock | Commonly | 4L | 4L | Light shelves |
| Economic model | It is economical | It is economical | It is economical | 2H | Light shelves |
Subsystem controls Policy Table under 1 each landform of table
When practical control, driver turn ATS switches send out ATS mode switch requests, and ATS systems receive ATS switches
Orographic model is sent after switching request to subsystems such as EMS/TCU/TCCU/ESP/EPS according to pre-defined control strategy to ask
It asks signal, each subsystem to receive the orographic model request signal that ATS systems are sent out, is carried out according to pre-defined control strategy
Corresponding state switches, and gives ATS systems, ATS systems anti-to each subsystem according to control scheme list the feedback of status after switching
The switching state of feedback is judged, if meeting control strategy definition, judges the success of this switching action.If subsystem
The state of feedback does not meet control strategy definition, and ATS systems carry out the processing that reports an error.
By taking petromodel as an example：
When choosing petromodel by controlling orographic model switch, ATS switches send out petromodel request instruction and arrive
Full topography system control centre, ATS System Control Centers send orographic model switching command to starting according to system switching request
Subsystem controls center, the subsystems such as machine (EMS), speed changer (TCU), 4 wheel driven (TCCU), ESP, steering (EPS) make respective mode
Formula changes, and drive has following features at this time：
1, transmission gear is locked at 1 grade, ensures torque output；
2,4 wheel driven enters low or first gear, ensures torque power output；
3, the engine drop of ESP is turned round function and is closed, and the sliding function of electronics limit is reinforced between wheel；
4, it turns to the slim and graceful of change and is easy to drive；
Each subsystem is adjusted to be most suitable for the topographical conditions of driver's switching, and abundant digging vehicle potential makes vehicle in rock
Stone road conditions are easier to drive, and promote vehicle passability and active safety performance.
Claims (7)
1. a kind of vehicle drive control method, it is characterized in that：First, the full topography system ATS of vehicle is divided into electronic stability
Subsystem ESP, engine control subsystem EMS, transmission control subsystem TCU, 4 wheel driven control subsystem TCCU, electrical steering
Subsystem EPS；
Then, if landform is divided into Ganlei, and the working condition of subsystem is divided into several shelves；
Finally, all kinds of landform and the working condition of subsystems are corresponded by experiment, makes vehicle in all kinds of landform
More easily drive.
2. vehicle drive control method as described in claim 1, it is characterized in that：The landform includes automatic mode, movement mould
Formula, snow field mode, muddy ground pattern, sand ground pattern, petromodel, economic model.
3. vehicle drive control method as claimed in claim 2, it is characterized in that：The electronic stability subsystem ESP is by braking
Mode division is and orographic model several shelves correspondingly, the braking mode and vehicle speed range, front wheel angle range, sideway
Angle transducer angle, left and right difference in wheel range are related.
4. vehicle drive control method as claimed in claim 2, it is characterized in that：The engine control subsystem EMS includes
There are several gas pedal curves, is selected according to orographic model.
5. vehicle drive control method as claimed in claim 2, it is characterized in that：The transmission control subsystem TCUS includes
There are several shift curves, is selected according to orographic model.
6. vehicle drive control method as claimed in claim 2, it is characterized in that：Before the 4 wheel driven control subsystem TCCU passes through
Rear axle speed discrepancy range, front wheel angle range, gearbox output torque range etc. carry out 4 wheel driven torque distribution, and several torsions are arranged altogether
The square method of salary distribution, is selected according to orographic model.
7. vehicle drive control method as claimed in claim 2, it is characterized in that：The electrical steering subsystem EPS according to turn
Several shelves are divided into power-assisted curve, are selected according to orographic model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029650.7A CN108382387A (en) | 2018-01-12 | 2018-01-12 | Vehicle drive control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029650.7A CN108382387A (en) | 2018-01-12 | 2018-01-12 | Vehicle drive control method |
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| Publication Number | Publication Date |
|---|---|
| CN108382387A true CN108382387A (en) | 2018-08-10 |
Family
ID=63076205
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|---|---|---|---|
| CN201810029650.7A Pending CN108382387A (en) | 2018-01-12 | 2018-01-12 | Vehicle drive control method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667925A (en) * | 2018-12-29 | 2019-04-23 | 贵州凯星液力传动机械有限公司 | A kind of more shift mode control switching methods |
| WO2020156265A1 (en) * | 2019-01-29 | 2020-08-06 | 长城汽车股份有限公司 | All-terrain automatic control method and device for vehicle |
| CN111497614A (en) * | 2020-04-27 | 2020-08-07 | 江铃汽车股份有限公司 | Instrument display method and system for switching driving modes |
| CN113071473A (en) * | 2021-03-22 | 2021-07-06 | 江铃汽车股份有限公司 | Coordinated control method for EPB mode and AMT gearbox of truck engine |
| CN113415280A (en) * | 2021-08-03 | 2021-09-21 | 北京汽车集团越野车有限公司 | Mode switching control method, device and equipment and automobile |
| CN113619558A (en) * | 2020-05-06 | 2021-11-09 | 上海汽车集团股份有限公司 | Torque distribution method and system for hybrid system vehicle |
| CN114148333A (en) * | 2021-12-13 | 2022-03-08 | 中国重汽集团济南动力有限公司 | Control method and system for coordinating driving mode and four-wheel drive mode |
| CN114162128A (en) * | 2021-12-06 | 2022-03-11 | 一汽奔腾轿车有限公司 | Intelligent driving whole vehicle linkage and personalized function implementation method |
| CN115402320A (en) * | 2022-09-29 | 2022-11-29 | 重庆长安汽车股份有限公司 | Overtaking mode switching method and system and automobile |
| WO2022262731A1 (en) * | 2021-06-17 | 2022-12-22 | 长城汽车股份有限公司 | All-terrain control method and apparatus, storage medium, and vehicle |
| US11982346B2 (en) * | 2020-11-03 | 2024-05-14 | Xiamen Yaxon Network Co., Ltd. | Terrain based dynamic gear shift control method and system for vehicle |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667925A (en) * | 2018-12-29 | 2019-04-23 | 贵州凯星液力传动机械有限公司 | A kind of more shift mode control switching methods |
| WO2020156265A1 (en) * | 2019-01-29 | 2020-08-06 | 长城汽车股份有限公司 | All-terrain automatic control method and device for vehicle |
| CN111497614A (en) * | 2020-04-27 | 2020-08-07 | 江铃汽车股份有限公司 | Instrument display method and system for switching driving modes |
| CN113619558A (en) * | 2020-05-06 | 2021-11-09 | 上海汽车集团股份有限公司 | Torque distribution method and system for hybrid system vehicle |
| US11982346B2 (en) * | 2020-11-03 | 2024-05-14 | Xiamen Yaxon Network Co., Ltd. | Terrain based dynamic gear shift control method and system for vehicle |
| CN113071473A (en) * | 2021-03-22 | 2021-07-06 | 江铃汽车股份有限公司 | Coordinated control method for EPB mode and AMT gearbox of truck engine |
| WO2022262731A1 (en) * | 2021-06-17 | 2022-12-22 | 长城汽车股份有限公司 | All-terrain control method and apparatus, storage medium, and vehicle |
| CN113415280A (en) * | 2021-08-03 | 2021-09-21 | 北京汽车集团越野车有限公司 | Mode switching control method, device and equipment and automobile |
| CN113415280B (en) * | 2021-08-03 | 2023-09-08 | 北京汽车集团越野车有限公司 | Mode switching control method, device, equipment and automobile |
| CN114162128A (en) * | 2021-12-06 | 2022-03-11 | 一汽奔腾轿车有限公司 | Intelligent driving whole vehicle linkage and personalized function implementation method |
| CN114148333A (en) * | 2021-12-13 | 2022-03-08 | 中国重汽集团济南动力有限公司 | Control method and system for coordinating driving mode and four-wheel drive mode |
| CN115402320A (en) * | 2022-09-29 | 2022-11-29 | 重庆长安汽车股份有限公司 | Overtaking mode switching method and system and automobile |
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Application publication date: 20180810 |