CN110040002A - A kind of optimal control method of motor of hybrid power automobile booster torquemoment peak value - Google Patents
A kind of optimal control method of motor of hybrid power automobile booster torquemoment peak value Download PDFInfo
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- CN110040002A CN110040002A CN201910231012.8A CN201910231012A CN110040002A CN 110040002 A CN110040002 A CN 110040002A CN 201910231012 A CN201910231012 A CN 201910231012A CN 110040002 A CN110040002 A CN 110040002A
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- motor
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- demand torque
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 230000001133 acceleration Effects 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 abstract description 3
- 238000011217 control strategy Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
-
- 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
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of optimal control method of motor of hybrid power automobile booster torquemoment peak value, step includes: that highest motor demand torque is demarcated as motor peak torque according to motor peak torque curve；The motor demand torque information under parallel drive mode is determined according to the aperture change rate signal of the opening amount signal of accelerator pedal and accelerator pedal；It is determined according to battery status information and motor status information currently to the torque limit messages of motor demand torque；The demand torque command information currently exported is determined according to the motor demand torque information and torque limit messages.The method of the invention sufficiently releases the maximum drive ability of motor, vehicle is set to obtain the maximum power-assisted of motor when suddenly accelerating, the acceleration of vehicle has a distinct increment compared with the fuel vehicle of non helping hand, and it is very strong that accelerator pushes away back sense, subjective feeling changes significantly, improves driving pleasure.
Description
Technical field
The present invention relates to a kind of control method more particularly to a kind of optimizations of motor of hybrid power automobile booster torquemoment peak value
Control method.
Background technique
In hybrid vehicle, it is provided with motor power-assisted and petrol engine, when urgent accelerate, motor is devoted oneself to work
Accelerate power-assisted effect to reach.Especially, motor should load on vehicle with peak torque at this time, can obtain optimal acceleration and help
Power effect.
But it is a lot of to the limitation of motor driving torque in the prior art, so that motor booster torquemoment is not its peak value
Therefore torque can not play the power-assisted efficiency of motor to the greatest extent, affect the raising of vehicle accelerating ability energy, enable consumption
The subjective driving experience of person is deteriorated.
Summary of the invention
The present invention is directed to the drawbacks of prior art, provides a kind of optimization control of motor of hybrid power automobile booster torquemoment peak value
Method processed.
The optimal control method of motor of hybrid power automobile booster torquemoment peak value of the present invention, step include:
According to motor peak torque curve, highest motor demand torque is demarcated as motor peak torque；
It is determined under parallel drive mode according to the aperture change rate signal of the opening amount signal of accelerator pedal and accelerator pedal
Motor demand torque information；
It is determined according to battery status information and motor status information currently to the torque limit messages of motor demand torque；
The demand torque command information currently exported is determined according to the motor demand torque information and torque limit messages.
In the optimal control method of motor of hybrid power automobile booster torquemoment peak value of the present invention, the battery status
Information includes battery temperature information and battery dump energy information and battery voltage information and battery current information and battery
Allow discharge power information.
In the optimal control method of motor of hybrid power automobile booster torquemoment peak value of the present invention, the motor status
Information includes that motor temperature information and motor allow power information and Motor torque load time information.
In the optimal control method of motor of hybrid power automobile booster torquemoment peak value of the present invention, the shape if battery works
State is in normal and electric machine operation state is in normal, then torque limit messages are sky；
If cell operating status is in abnormal and/or electric machine operation state is in abnormal, according to predetermined policy output pair
The torque limit messages that motor demand torque is limited.
By re-scaling demand torque in the present invention, to enable highest demand torque be equal to motor peak torque, thus really
Motor can put into maximum torque when guarantor needs motor power-assisted to accelerate；Meanwhile ensuring the normal situation of automotive service state
Under, no longer the output torque of motor is limited, the investment that motor can be certain when ensuring that motor power-assisted is needed to accelerate.This
Invention sufficiently releases the maximum drive ability of motor, and vehicle is enable to obtain the maximum power-assisted of motor, vehicle when suddenly accelerating
Acceleration have a distinct increment compared with the fuel vehicle of non helping hand, it is very strong that accelerator pushes away back sense, and subjective feeling changes significant, improves
Driving pleasure.
Detailed description of the invention
Fig. 1 is the realization signal of the optimal control method of motor of hybrid power automobile booster torquemoment peak value of the present invention
Figure.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
As shown in Figure 1, being in the optimal control method of motor of hybrid power automobile booster torquemoment peak value of the present invention
Optimal motor power-assisted effect is obtained, motor peak torque should be enabled to emerge from when needing motor power-assisted, even motor power-assisted
When highest motor demand torque be equal to motor peak torque.Then, right according to motor peak torque curve in the present invention
Demand torque re-scales, to enable highest motor demand torque be equal to motor peak torque.
Further, motor demand torque information when motor power-assisted need to be determined.It specifically, is according to accelerator pedal
The aperture change rate signal of opening amount signal and accelerator pedal determines the motor demand torque information under parallel drive mode.Pass through
The opening amount signal of accelerator pedal can determine required Motor torque, and can determine electricity by the aperture change rate of accelerator pedal
Which kind of torque when the output time of machine torque exporting.
In specific determining motor reality output torque, also need to consider the state of battery and the state of motor, i.e. basis
Battery status information and motor status information determine currently to the torque limit messages of motor demand torque.That is, not
The output of the motor demand torque control motor of the energy aforementioned determination of direct basis, and should be in conjunction with the state and motor of present battery
State, the motor demand torque of aforementioned determination is further limited.Then, further according to the motor need
Torque information and torque limit messages is asked to determine the demand torque command information currently exported.
Compared to existing motor booster torquemoment control mode, two kinds of restriction strategies, even battery work are taken in the present invention
Make state and be in normal and electric machine operation state in normally, then torque limit messages are sky, at this point, can not consider torque
Restricted information and according to the motor demand torque of aforementioned determination control motor output.Cell operating status described here includes
Battery temperature information and battery dump energy information and battery voltage information and battery current information and battery allow to discharge
Power information.Electric machine operation state described here includes that motor temperature information and motor allow power information and Motor torque
Load time information.If cell operating status and electric machine operation state are in predetermined range, can determine that as battery work
Make state and electric machine operation state is normal, it, therefore, can be at this point, the control to hybrid vehicle is in margin of safety
The output of the motor demand torque control motor of the aforementioned determination of direct basis, realizes maximum, most intuitive motor power-assisted
Accelerate.
Conversely, showing that automobile is currently at if cell operating status is in abnormal or electric machine operation state is in abnormal
Abnormal condition, if power-assisted acceleration rashly may damage vehicle or bring harm to driving behavior, then, it is necessary to according to
Predetermined policy exports the torque limit messages limited motor demand torque.Predetermined policy described herein can refer to existing
The control mode of technology, i.e., when the cell operating status of automobile is abnormal or electric machine operation state exception, according to specific different
Normal state specifically limits motor demand torque, to export torque limit messages corresponding with current abnormality, from
And improve the safety coefficient of automobile.
In addition, can also be by the control strategy of change battery management system, by battery management system by energy in the present invention
Amount type control strategy is changed to power-type control strategy, and the discharge power of permission in short-term of battery is made to reach maximum as far as possible.
By re-scaling demand torque in the present invention, to enable highest demand torque be equal to motor peak torque, thus really
Motor can put into maximum torque when guarantor needs motor power-assisted to accelerate；Meanwhile ensuring the normal situation of automotive service state
Under, no longer the output torque of motor is limited, the investment that motor can be certain when ensuring that motor power-assisted is needed to accelerate.This
Invention sufficiently releases the maximum drive ability of motor, and vehicle is enable to obtain the maximum power-assisted of motor, vehicle when suddenly accelerating
Acceleration have a distinct increment compared with the fuel vehicle of non helping hand, it is very strong that accelerator pushes away back sense, and subjective feeling changes significant, improves
Driving pleasure.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (4)
1. a kind of optimal control method of motor of hybrid power automobile booster torquemoment peak value, which comprises the steps of:
According to motor peak torque curve, highest motor demand torque is demarcated as motor peak torque；
The motor under parallel drive mode is determined according to the aperture change rate signal of the opening amount signal of accelerator pedal and accelerator pedal
Demand torque information；
It is determined according to battery status information and motor status information currently to the torque limit messages of motor demand torque；
The demand torque command information currently exported is determined according to the motor demand torque information and torque limit messages.
2. the optimal control method of motor of hybrid power automobile booster torquemoment peak value as described in claim 1, which is characterized in that
The battery status information includes battery temperature information and battery dump energy information and battery voltage information and battery current
Information and battery allow discharge power information.
3. the optimal control method of motor of hybrid power automobile booster torquemoment peak value as claimed in claim 1 or 2, feature exist
In the motor status information includes motor temperature information and motor allows power information and Motor torque load time to believe
Breath.
4. the optimal control method of motor of hybrid power automobile booster torquemoment peak value as described in claim 1, which is characterized in that
If cell operating status is in normal and electric machine operation state is in normal, torque limit messages are sky；
If cell operating status is in abnormal and/or electric machine operation state is in abnormal, exported according to predetermined policy to motor
The torque limit messages that demand torque is limited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231012.8A CN110040002A (en) | 2019-03-26 | 2019-03-26 | A kind of optimal control method of motor of hybrid power automobile booster torquemoment peak value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231012.8A CN110040002A (en) | 2019-03-26 | 2019-03-26 | A kind of optimal control method of motor of hybrid power automobile booster torquemoment peak value |
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| Publication Number | Publication Date |
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| CN110040002A true CN110040002A (en) | 2019-07-23 |
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|---|---|---|---|
| CN201910231012.8A Pending CN110040002A (en) | 2019-03-26 | 2019-03-26 | A kind of optimal control method of motor of hybrid power automobile booster torquemoment peak value |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665499A (en) * | 2021-08-31 | 2021-11-19 | 中国第一汽车股份有限公司 | Electric automobile energy management system and control method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006315630A (en) * | 2005-05-16 | 2006-11-24 | Nissan Motor Co Ltd | Constant speed travel controller of hybrid vehicle |
| CN101934743A (en) * | 2010-09-30 | 2011-01-05 | 重庆长安汽车股份有限公司 | Pure electric vehicle torque safety on-line monitoring method |
| CN102649429A (en) * | 2012-04-27 | 2012-08-29 | 浙江吉利汽车研究院有限公司杭州分公司 | Auxiliary motive power control method and device of micro hybrid electric vehicles |
| CN104442444A (en) * | 2013-09-18 | 2015-03-25 | 比亚迪股份有限公司 | Motor control system for electric vehicles and electric vehicle with same |
| CN104590267A (en) * | 2014-12-19 | 2015-05-06 | 北京新能源汽车股份有限公司 | Torque safe control method of new-energy automobile |
| CN104608763A (en) * | 2013-11-01 | 2015-05-13 | 北汽福田汽车股份有限公司 | Car torque safety monitoring method and system |
| CN109249927A (en) * | 2018-08-28 | 2019-01-22 | 阿尔特汽车技术股份有限公司 | A kind of system and method for simulation accelerated pedal signal optimal control parallel connection torque |
-
2019
- 2019-03-26 CN CN201910231012.8A patent/CN110040002A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006315630A (en) * | 2005-05-16 | 2006-11-24 | Nissan Motor Co Ltd | Constant speed travel controller of hybrid vehicle |
| CN101934743A (en) * | 2010-09-30 | 2011-01-05 | 重庆长安汽车股份有限公司 | Pure electric vehicle torque safety on-line monitoring method |
| CN102649429A (en) * | 2012-04-27 | 2012-08-29 | 浙江吉利汽车研究院有限公司杭州分公司 | Auxiliary motive power control method and device of micro hybrid electric vehicles |
| CN104442444A (en) * | 2013-09-18 | 2015-03-25 | 比亚迪股份有限公司 | Motor control system for electric vehicles and electric vehicle with same |
| CN104608763A (en) * | 2013-11-01 | 2015-05-13 | 北汽福田汽车股份有限公司 | Car torque safety monitoring method and system |
| CN104590267A (en) * | 2014-12-19 | 2015-05-06 | 北京新能源汽车股份有限公司 | Torque safe control method of new-energy automobile |
| CN109249927A (en) * | 2018-08-28 | 2019-01-22 | 阿尔特汽车技术股份有限公司 | A kind of system and method for simulation accelerated pedal signal optimal control parallel connection torque |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665499A (en) * | 2021-08-31 | 2021-11-19 | 中国第一汽车股份有限公司 | Electric automobile energy management system and control method |
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