CN109130872A - A kind of new-energy automobile electric brake control method - Google Patents
A kind of new-energy automobile electric brake control method Download PDFInfo
- Publication number
- CN109130872A CN109130872A CN201710505373.8A CN201710505373A CN109130872A CN 109130872 A CN109130872 A CN 109130872A CN 201710505373 A CN201710505373 A CN 201710505373A CN 109130872 A CN109130872 A CN 109130872A
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- power
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- energy automobile
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000005611 electricity Effects 0.000 claims abstract description 10
- 230000002596 correlated effect Effects 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- 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
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/006—Dynamic electric braking by reversing current, i.e. plugging
-
- 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
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
Abstract
The invention discloses a kind of new-energy automobile electric brake control methods, the new-energy automobile includes motor, electrical source of power, the motor is connect with the electrical source of power, the electrical source of power provides the power of the motor operation, plugging power is provided and is generated electricity by the motor when new-energy automobile brakes and recycles kinetic energy to the electrical source of power and stores, the size for the plugging power that the motor provides is related to the depth of brake pedal, the size for the plugging power that the motor provides and the depth of brake pedal are positively correlated, the size for the plugging power that the motor provides and the brake pedal to trample rate related, the demand of its brake control power is judged according to the rate that driver tramples brake pedal, to carry out appropriate regulation, accurately it is suitble to current plugging power size to provide.
Description
Technical field
The present invention relates to new-energy automobile driving methods, and in particular to new-energy automobile brake control method.
Background technique
New-energy automobile is now widely used in various fields, such as public transport, logistics, each field of private car have new energy
The figure of source automobile, new-energy automobile are usually all mounted with motor, and motor can provide driving force when vehicle travels,
Plugging power can be improved in vehicle sliding or braking to recycle kinetic energy, in order to meet braking effect, existing method is mostly
Trampling depth and provide the size of plugging power according to brake pedal, although brake demand can be substantially met in this way,
It is different for the control degree of brake pedal depth since the driving habit of driver is different, thus, driver can not root
Accurate brake pedal depth is provided according to current brake actual demand, motor also can not just provide corresponding brake
Power, to influence braking effect.
Summary of the invention
For solving the above problems, the present invention proposes a kind of new-energy automobile electric brake control method, the new energy
Automobile includes motor, electrical source of power, and the motor is connect with the electrical source of power, and the electrical source of power provides described electronic
The power of machine operating is provided plugging power and is generated electricity and recycles kinetic energy to institute when the new-energy automobile brakes by the motor
Electrical source of power storage is stated, the size for the plugging power that the motor provides is related to the depth of brake pedal, described electronic
The size for the plugging power that machine provides and the depth of brake pedal are positively correlated, the plugging power that the motor provides it is big
Rate is related for small trampling to the brake pedal, judges its brake control power according to the rate that driver tramples brake pedal
Demand is accurately suitble to current plugging power size to carry out appropriate regulation to provide.
To achieve the above object, the technical scheme is that
A kind of new-energy automobile electric brake control method, the new-energy automobile include motor, electrical source of power, described
Motor is connect with the electrical source of power, and the electrical source of power provides the power of the motor operation, the new-energy automobile
Plugging power is provided and is generated electricity by the motor when brake and recycles kinetic energy to the electrical source of power and stores, the motor mentions
The size of the plugging power of confession is related to the depth of brake pedal, the size and brake of the plugging power that the motor provides
The depth of vehicle pedal is positively correlated.
Related, the brake of trampling rate of the size for the plugging power that the motor provides and the brake pedal
When trampling rate and being greater than the set value of pedal, the size of plugging power and stepping on for the brake pedal that the motor provides
Step on rate positive correlation.
The electrical source of power is energy type power supply or power-type power supply, and further, the electrical source of power is power battery
Or super capacitor.
Compared to existing new-energy automobile electric brake control method, the present invention has remarkable advantage and beneficial effect, specifically
It embodies are as follows:
1. using new-energy automobile electric brake control method of the invention, sentenced in a flash according to brake pedal rate using electricity
Break current brake weight demand, provide corresponding brake force size, be preferably suitable for the brake demand of current working, intelligence is stopped
It vehicle and avoids traffic accident；
2. using new-energy automobile brake control method of the invention, depth and rate, needle are trampled according to brake pedal
To different operating condition and vehicle condition, guarantee that vehicle can realize vehicle gradual braking.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of new-energy automobile of the present invention；
Fig. 2 be new-energy automobile electric brake control method of the present invention between motor braking power and other influences factor
Relation schematic diagram.
Specific embodiment
Specific implementation method of the invention is as follows:
Existing new-energy automobile brake system is divided into electricity more and stops and mechanical brake two parts, when electricity is mentioned by motor in a flash
It is realized for plugging power and brakes and realize by motor rotation power generation recycling kinetic energy, the power output of motor is come
It says, if recycling kinetic energy with constant brake force, the brake control power under cannot meeting different duty requirements, or even can make
At safety accident.
To solve the above-mentioned problems, the present invention proposes a kind of new-energy automobile electric brake control method, the new energy
Automobile includes motor, electrical source of power, and the motor is connect with the electrical source of power, and the electrical source of power provides described electronic
The power of machine operating is provided plugging power and is generated electricity and recycles kinetic energy to institute when the new-energy automobile brakes by the motor
Electrical source of power storage is stated, the size for the plugging power that the motor provides is related to the depth of brake pedal, described electronic
The size for the plugging power that machine provides and the depth of brake pedal are positively correlated, the plugging power that the motor provides it is big
Rate is related for small trampling to the brake pedal, judges its brake control power according to the rate that driver tramples brake pedal
Demand is accurately suitble to current plugging power size to carry out appropriate regulation to provide.
Technical solution of the present invention is illustrated below for the electric brake control mode of hybrid vehicle:
If Fig. 1 is new-energy automobile structural schematic diagram of the present invention, new-energy automobile described in the present embodiment is hybrid power
Automobile, the new-energy automobile can also be pure electric automobile, new-energy automobile described in the present embodiment include engine 1, from
Mechanism 2, motor 3, electrical source of power 4 are closed, the engine 1, clutch 2, motor 3 are sequentially connected, the motor 3
Output end is connect with the hybrid vehicle rear axle, and the motor 3 is connect with the electrical source of power 4, the electrical source of power 4
The power that the motor 3 operates is provided, it is concurrent by the motor 3 offer plugging power when the new-energy automobile brakes
Electricity recycling kinetic energy to the electrical source of power 4 stores, the size for the plugging power that the motor 3 provides and the depth of brake pedal
Degree is related, and the size for the plugging power that the motor 3 provides and the depth of brake pedal are positively correlated.
Fig. 2 be new-energy automobile electric brake control method of the present invention between motor braking power and other influences factor
Relation schematic diagram, the plugging power size and brake pedal of the motor 3 trample depth α and trample rate positive correlation,
The plugging power size that four different brake pedals trample the motor 3 under rate a1, a2, a3, a4 is given in figure
The relationship of depth is trampled with brake pedal, wherein a1 > a2 > a3 > a4, and a4 is greater than the set value, when the brake pedal is trampled
When rate is greater than the set value, the size of the plugging power that the motor 3 provides and the brake pedal are trampling rate just
Correlation, i.e., the described brake pedal trample that rate is faster, and the plugging power size that the motor 3 provides is bigger, otherwise described
The size for the plugging power that motor 3 provides, which is not trampled rate by the brake pedal, to be influenced；When the brake pedal is stepped on
One timing of rate is stepped on, the plugging power size that the motor 3 provides tramples depth α linear positive phase with the brake pedal
It closes, i.e., relationship proportional to the plugging power size that the motor 3 provides that the described brake pedal tramples depth α, and works as
When the brake pedal tramples depth α and reaches maximum, the motor 3 provides its max. output torque Tmax.
The electrical source of power 4 is energy type power supply or power-type power supply, and further, the electrical source of power 4 is power electric
Pond or super capacitor.
For for exemplary embodiment of the invention, it should be understood that be in the protection scope of claims of the present invention
A certain kind demonstrative example therein has the guiding effect that those skilled in the art are realized with corresponding technical solution, and
Non- limitation of the invention.
Claims (8)
1. a kind of new-energy automobile electric brake control method, the new-energy automobile includes motor, electrical source of power, the electricity
Motivation is connect with the electrical source of power, and the electrical source of power provides the power of the motor operation, which is characterized in that described new
Plugging power is provided and is generated electricity by the motor when energy automobile brakes and recycles kinetic energy to the electrical source of power and stores, it is described
The size for the plugging power that motor provides is related to the depth of brake pedal.
2. new-energy automobile electric brake control method according to claim 1, which is characterized in that the motor provides
Plugging power size and brake pedal depth be positively correlated.
3. new-energy automobile electric brake control method according to claim 1, which is characterized in that the motor provides
Plugging power size and the brake pedal to trample rate related.
4. new-energy automobile electric brake control method according to claim 3, which is characterized in that the brake pedal
When trampling rate and being greater than the set value, the size of the plugging power that the motor provides and the brake pedal trample rate
It is positively correlated.
5. new-energy automobile electric brake control method according to claim 1, which is characterized in that the electrical source of power is
Energy type power supply.
6. new-energy automobile electric brake control method according to claim 5, which is characterized in that the electrical source of power is
Power battery.
7. new-energy automobile electric brake control method according to claim 1, which is characterized in that the electrical source of power is
Power-type power supply.
8. new-energy automobile electric brake control method according to claim 7, which is characterized in that the electrical source of power is
Super capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710505373.8A CN109130872A (en) | 2017-06-28 | 2017-06-28 | A kind of new-energy automobile electric brake control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710505373.8A CN109130872A (en) | 2017-06-28 | 2017-06-28 | A kind of new-energy automobile electric brake control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109130872A true CN109130872A (en) | 2019-01-04 |
Family
ID=64805381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710505373.8A Pending CN109130872A (en) | 2017-06-28 | 2017-06-28 | A kind of new-energy automobile electric brake control method |
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| Country | Link |
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| CN (1) | CN109130872A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101209675A (en) * | 2006-12-26 | 2008-07-02 | 比亚迪股份有限公司 | Electric automobile energy back-feed control method |
| CN201736828U (en) * | 2009-12-31 | 2011-02-09 | 上海汽车集团股份有限公司 | Braking energy recovery system |
| CN102050029A (en) * | 2010-12-20 | 2011-05-11 | 奇瑞汽车股份有限公司 | Method and device for recycling energy of pure electric automobile |
| CN102555818A (en) * | 2012-02-28 | 2012-07-11 | 潍柴动力股份有限公司 | Method and system for increasing brake kinetic energy recovery ratio |
| CN102975702A (en) * | 2012-12-12 | 2013-03-20 | 奇瑞汽车股份有限公司 | Tandem regenerative brake control method |
| CN104015625A (en) * | 2014-06-13 | 2014-09-03 | 广东亿纬赛恩斯新能源系统有限公司 | Electric vehicle energy recovery method and device |
| CN105313705A (en) * | 2014-06-17 | 2016-02-10 | 现代自动车株式会社 | Method and apparatus for controlling drive motor |
| CN105730247A (en) * | 2014-12-12 | 2016-07-06 | 北汽福田汽车股份有限公司 | Braking energy feedback control method and system |
| DE102015216762A1 (en) * | 2015-09-02 | 2017-03-02 | Borgward Trademark Holdings Gmbh | BRAKE ENGINE RETURN CONTROL PROCEDURE AND BRAKE ENGINE RETURN CONTROL SYSTEM |
-
2017
- 2017-06-28 CN CN201710505373.8A patent/CN109130872A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101209675A (en) * | 2006-12-26 | 2008-07-02 | 比亚迪股份有限公司 | Electric automobile energy back-feed control method |
| CN201736828U (en) * | 2009-12-31 | 2011-02-09 | 上海汽车集团股份有限公司 | Braking energy recovery system |
| CN102050029A (en) * | 2010-12-20 | 2011-05-11 | 奇瑞汽车股份有限公司 | Method and device for recycling energy of pure electric automobile |
| CN102555818A (en) * | 2012-02-28 | 2012-07-11 | 潍柴动力股份有限公司 | Method and system for increasing brake kinetic energy recovery ratio |
| CN102975702A (en) * | 2012-12-12 | 2013-03-20 | 奇瑞汽车股份有限公司 | Tandem regenerative brake control method |
| CN104015625A (en) * | 2014-06-13 | 2014-09-03 | 广东亿纬赛恩斯新能源系统有限公司 | Electric vehicle energy recovery method and device |
| CN105313705A (en) * | 2014-06-17 | 2016-02-10 | 现代自动车株式会社 | Method and apparatus for controlling drive motor |
| CN105730247A (en) * | 2014-12-12 | 2016-07-06 | 北汽福田汽车股份有限公司 | Braking energy feedback control method and system |
| DE102015216762A1 (en) * | 2015-09-02 | 2017-03-02 | Borgward Trademark Holdings Gmbh | BRAKE ENGINE RETURN CONTROL PROCEDURE AND BRAKE ENGINE RETURN CONTROL SYSTEM |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190104 |