CN101450623A - Control method of brake energy regeneration system for mixed power vehicle - Google Patents
Control method of brake energy regeneration system for mixed power vehicle Download PDFInfo
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- CN101450623A CN101450623A CNA2007101935073A CN200710193507A CN101450623A CN 101450623 A CN101450623 A CN 101450623A CN A2007101935073 A CNA2007101935073 A CN A2007101935073A CN 200710193507 A CN200710193507 A CN 200710193507A CN 101450623 A CN101450623 A CN 101450623A
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- braking
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- control method
- brake
- regeneration system
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- Regulating Braking Force (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to a control method for a braking energy regeneration system of a hybrid passenger car, which comprises: firstly setting pressure Pt of a brake wheel converted by braking requirement of a driver on a driving wheel, namely, a single wheel; then setting pressure Pe of the brake wheel converted by toque produced by power generation of a motor and acted on the driving wheel, namely, double wheels; and finally setting an actual value Pa of braking of the driving wheel, namely, pressure of the single wheel, wherein Pa is equal to Pt subtracting half Pe. The control method for the braking energy regeneration system can reclaim energy as much as possible on the premise of no changing braking performance of the vehicle, can compensate reduced braking force caused by failure of the motor during sliding of the vehicle, and can reclaim breaking energy to the utmost extent.
Description
Technical field:
The present invention relates to a kind of control method of brake energy regeneration system for mixed power vehicle, be used for the recovery of hybrid power passenger car braking energy.
Background technology:
The at present domestic data of still not having disclosed about the recovery of hybrid power passenger car braking energy.Original system is to increase motor braking power under the traditional braking mode on drive wheel again, has changed system and has got brake efficiency.
Summary of the invention:
The object of the present invention is to provide a kind of control method of brake energy regeneration system for mixed power vehicle, can be under the prerequisite that does not change vehicle braking performances, the energy of recovery vehicle glancing impact as much as possible, and can compensate vehicle and do not step on the glancing impact motor braking force cause that lost efficacy and reduce, can reclaim braking energy to greatest extent by the brake energy regeneration system control method.
Technical scheme of the present invention is achieved in that a kind of control method of brake energy regeneration system for mixed power vehicle, it is characterized in that: at first setting chaufeur is that to change into brake wheel pressure be Pt for braking requirement in the single-wheel at drive wheel; The torsional interaction that electric power generation produces is that to change into brake wheel pressure be Pe at the two-wheel place at drive wheel; The drive wheel braking is that single-wheel pressure actual value is Pa, then, and Pa=Pt-Pe/2.
Good effect of the present invention is to the driving wheel of vehicle effect, under the situation that does not change the drive wheel total braking force, by reducing drive wheel mechanical braking power, increases drive wheel motor braking power, realizes the regeneration of braking energy.
Description of drawings:
Fig. 1 is a structural representation of the present invention;
The specific embodiment:
The present invention will be further described below in conjunction with accompanying drawing: as shown in Figure 1, a kind of control method of brake energy regeneration system for mixed power vehicle is characterized in that: at first setting chaufeur is that to change into brake wheel pressure be Pt for braking requirement in the single-wheel at drive wheel; The torsional interaction that electric power generation produces is that to change into brake wheel pressure be Pe at the two-wheel place at drive wheel; The drive wheel braking is that single-wheel pressure actual value is Pa, then, and Pa=Pt-Pe/2; Pressure is about 180Kpa during conventional brake, and as example: the Pa minimum value is 100Kpa, and chaufeur is to drive wheel brake-pressure demand Pt=180Kpa, if motor can not provide brake torque, then Pe=0 calculates Pa=Pt-Pe/2=180Kpa, does not reclaim braking energy this moment; But the Pe value is calculated Pa=Pt-Pe/2=130Kpa about 100Kpa generally speaking, and this moment, the drive wheel braking energy reclaimed 67.5%; When Pe=160Kpa, Pa=100Kpa, this moment, braking energy all reclaimed.
Its working process is: after chaufeur was stepped on brake pedal, system acquisition non-driving wheel pressure sensor calculated the braking requirement of chaufeur with the pressure signal that records; System distributes motor braking power and drive wheel mechanical braking power according to the braking requirement of chaufeur then, and according to the force value that the drive wheel pressure sensor records drive wheel pressure is regulated, promptly by calculating Pa=Pt-Pe/2 controlling and driving wheel braking force.When vehicle slides, owing to motor braking power reduce suddenly or the braking force that causes of disappearing can not controlled the gulp valve switch by system completely and provides enough mechanical braking power to system.
Claims (1)
1, a kind of control method of brake energy regeneration system for mixed power vehicle is characterized in that: at first setting chaufeur is that to change into brake wheel pressure be Pt for braking requirement in the single-wheel at drive wheel; The torsional interaction that electric power generation produces is that to change into brake wheel pressure be Pe at the two-wheel place at drive wheel; The drive wheel braking is that single-wheel pressure actual value is Pa, then, and Pa=Pt-Pe/2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101935073A CN101450623A (en) | 2007-12-07 | 2007-12-07 | Control method of brake energy regeneration system for mixed power vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101935073A CN101450623A (en) | 2007-12-07 | 2007-12-07 | Control method of brake energy regeneration system for mixed power vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101450623A true CN101450623A (en) | 2009-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101935073A Pending CN101450623A (en) | 2007-12-07 | 2007-12-07 | Control method of brake energy regeneration system for mixed power vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101450623A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101791978A (en) * | 2010-03-26 | 2010-08-04 | 重庆长安汽车股份有限公司 | Method for compensating braking force of hybrid power vehicle |
-
2007
- 2007-12-07 CN CNA2007101935073A patent/CN101450623A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101791978A (en) * | 2010-03-26 | 2010-08-04 | 重庆长安汽车股份有限公司 | Method for compensating braking force of hybrid power vehicle |
| CN101791978B (en) * | 2010-03-26 | 2013-05-08 | 重庆长安汽车股份有限公司 | Method for compensating braking force of hybrid power vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA FAW CO., LTD. Free format text: FORMER OWNER: CHINA FAW GROUP CORPORATION Effective date: 20121022 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20121022 Address after: 130011 Changchun Province, West New Economic and Technological Development Zone, Dongfeng Street, No. 2259, No. Applicant after: China FAW Group Corporation Address before: 130011 Dongfeng Street, Jilin, Changchun, No. 2259 Applicant before: China FAW Group Corporation |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090610 |