CN102717714B - Pure electric vehicle braking energy recovery control system and method based on DCT (Data Communication Terminal) - Google Patents

Pure electric vehicle braking energy recovery control system and method based on DCT (Data Communication Terminal) Download PDF

Info

Publication number
CN102717714B
CN102717714B CN201210188756.4A CN201210188756A CN102717714B CN 102717714 B CN102717714 B CN 102717714B CN 201210188756 A CN201210188756 A CN 201210188756A CN 102717714 B CN102717714 B CN 102717714B
Authority
CN
China
Prior art keywords
braking force
braking
motor
speed
brake
Prior art date
Application number
CN201210188756.4A
Other languages
Chinese (zh)
Other versions
CN102717714A (en
Inventor
柯南极
张青平
魏跃远
曲婧瑶
张兆龙
朱波
Original Assignee
北京汽车新能源汽车有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京汽车新能源汽车有限公司 filed Critical 北京汽车新能源汽车有限公司
Priority to CN201210188756.4A priority Critical patent/CN102717714B/en
Publication of CN102717714A publication Critical patent/CN102717714A/en
Application granted granted Critical
Publication of CN102717714B publication Critical patent/CN102717714B/en

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

Abstract

The invention discloses a pure electric vehicle braking energy recovery control system and method based on a DCT (Data Communication Terminal), relating to the technical field of electric vehicles. The control system comprises a vehicle-mounted storage battery, a motor, a two-gear DCT automatic gearbox, a vehicle speed sensor, a master cylinder pressure sensor, a vehicle control unit, a battery management system, a motor controller, a gearbox controller and a feedback type brake anti-lock system, wherein the vehicle-mounted storage battery supplies power for the motor, and the motor is mechanically connected with the DCT automatic gearbox; and the vehicle control unit, the battery management system, the motor controller, the gearbox controller, the feedback type brake anti-lock system, the vehicle speed sensor and the master cylinder pressure sensor carry out information communication and instruction issue through a network and hard wires. The invention also discloses the pure electric vehicle braking energy recovery control method based on the DCT. The energy utilization and the driving mileage of the vehicles are increased.

Description

A kind of braking of battery electric vehicle energy recovery control system based on DCT and method
Technical field
The present invention relates to electric vehicle engineering field, particularly relate to a kind of braking of battery electric vehicle energy recovery control system based on DCT and method.
Background technology
External pure electric automobile scheme is main mainly with single-stage speed reducing, realizes speed-regulating function demand completely by motor, is covered the power demand of car load full working scope by motor low speed constant moment of force and high speed constant horsepower characteristic.But there is gap due to manufacturing technology etc. in domestic electric machine, maximum speed of revolution is difficult to reach more than 10,000 turns, the dynamic property level limiting pure electric automobile promotes, and the high efficiency region scope of motor is had higher requirement, therefore adopts single-stage speed reducing ratio to be difficult to obtain good dynamic property and economy.
The rare exploitation of the power drive system based on DCT (Dual Clutch Transmission, refers to double-clutch automatic speed-change device) in pure electric automobile exploitation.Traditional DCT change speed gear box designs due to many gears, and does not have the turbine transformer of AT Automatic Transmission, and driving efficiency is high, is conducive to being optimized design to the energy consumption of the power system of coupling.But the structure of tradition many gears DCT and cost are higher than single reduction gear.By carrying out simplified design to based on traditional DCT change speed gear box, Proper Match power drive system, reduction maximum speed and grade climbing performance to the designing requirement of motor, and are taken into account between motor high efficient area, can improve dynamic property and the economy of car load simultaneously.
But carry out mating lift-launch with motor and be applied to pure electric automobile, its applying working condition and gearshift control there is certain difference, particularly want Appropriate application regenerated energy to improve the continual mileage of electronlmobil.
Summary of the invention
The object of the invention is to based on the pure power driven system of existing DCT, carry out the Brake energy recovery control system based on DCT and control policy exploitation, improve Energy harvesting and the continual mileage of automobile.
In order to reach above object, the invention discloses a kind of braking of battery electric vehicle energy recovery control system based on DCT, comprise: Vehicular accumulator cell, motor, two gear DCT Automatic Transmission, car speed sensor, master cylinder pressure sensor, entire car controller, battery management system, electric machine controller, gearbox control, feed-back type anti-blocking brake system, Vehicular accumulator cell is to feeding electric motors, motor and DCT Automatic Transmission are mechanical connections, entire car controller, battery management system, electric machine controller, gearbox control, feed-back type anti-blocking brake system, car speed sensor, master cylinder pressure sensor carries out information communication by network and rigid line and instruction sends.
Further, preferred as one, described each network is CAN.
Further, preferred as one, described feed-back type anti-blocking brake system possesses the function of conventional hydraulic brake system, realize conventional brake and traditional abs braking, in addition, by increasing control cock, according to instruction adjustable brake line pressure, coordinate conventional brake and motor regenerative braking power.
Based on a braking of battery electric vehicle energy recovery control method of DCT, comprise the steps:
Step 1: entire car controller receives brake pedal signal, acceleration pedal signal, master cylinder pressure signal, vehicle speed signal and anti-blocking brake system status signal;
Step 2: entire car controller is resolved driver intention according to brake pedal signal and master cylinder pressure signal, calculates target braking force, carries out decision-making according to the state of current brake antiblock device and car load speed of a motor vehicle state, whether performs regenerative brake and controls; When brake pedal signal is zero and acceleration pedal signal non-zero, or anti-blocking brake system state is for starting, or SOC >=90%, does not enter braking mode; Be zero when brake pedal signal is non-zero or acceleration pedal signal, and battery SOC <90%, if the speed of a motor vehicle is greater than 10km/h and be less than 100km/h, enter braking mode; Be zero when brake pedal signal is non-zero or acceleration pedal signal, and battery SOC <90%, if the speed of a motor vehicle is less than 10km/h or is greater than 100km/h, do not enter braking mode;
Step 3: if enter braking mode, entire car controller communicates with gearbox control, controls shift clutch pressure constant, keeps DCT Automatic Transmission current shift constant, does not carry out self shifter control, ensure whole process power failure-free; Gearbox control sends the gear information of current DCT Automatic Transmission to entire car controller, the maximum charging current that entire car controller allows according to present battery, battery terminal voltage, motor speed, DCT Automatic Transmission gear, calculate the regenerative braking force that motor can provide; When braking mode terminates, gearbox control controls change speed gear box gear and changes to a gear;
Step 4: if regenerative braking force is greater than target braking force, then braking force is all provided by motor braking, controls motor and is in generating state; If regenerative braking force is less than target braking force, then the regenerative braking force of motor can not meet current demand braking force, and residue braking requirement sends to and regulates line pressure by feed-back type anti-blocking brake system valve body, is provided by mechanical friction braking force;
Step 5: entire car controller calculates according to motor braking power and target braking force and obtains residue braking force, residue braking force and the available braking force of trailing wheel are compared, according to the front and back wheel braking relations of distribution, calculate the braking force of residue brakig force distribution on trailing wheel;
Step 6: entire car controller, according to the speed of a motor vehicle gathered, carries out braking deceleration calculating, compares with target braking force, if far below target braking force, think that motor braking lost efficacy, by the control and regulation of feed-back type anti-blocking brake system valve body, all adopt mechanical braking.
Beneficial effect of the present invention, due to for employing two grades of DCT Automatic Transmission, communicated with gearbox control by entire car controller, ensure change speed gear box power failure-free, and keep current shifting state constant, do not carry out self shifter control, reclaim and terminate rear gear return and control, the performances such as good car load brakig force distribution, the gradual sensation of brake pedal, Brake energy recovery rate, braking safety can be reached, there is the features such as structure is simple, cost is low, the easy realization of control.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the present invention better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention, wherein:
Fig. 1 is the braking of battery electric vehicle energy recovery control system block diagram based on DCT;
Fig. 2 is the braking of battery electric vehicle energy recovery control method diagram of circuit based on DCT;
Fig. 3 is that DCT automatic transmission controller judges braking energy feedback model process figure.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, embodiments of the invention are described.
For enabling above-mentioned purpose, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
As shown in Figure 1, a kind of braking of battery electric vehicle energy recovery control system based on DCT, comprise: Vehicular accumulator cell 1, motor 2, two gear DCT Automatic Transmission 3, car speed sensor 4, master cylinder pressure sensor 5, entire car controller 6, battery management system 7, electric machine controller 8, gearbox control 9, feed-back type anti-blocking brake system 10, Vehicular accumulator cell 1 is powered to motor 2, motor 2 and DCT Automatic Transmission 3 are mechanical connections, entire car controller 6, battery management system 7, electric machine controller 8, gearbox control 9, feed-back type anti-blocking brake system 10, car speed sensor 4, master cylinder pressure sensor 5 carries out information communication by network and rigid line and instruction sends.Each network is CAN.Feed-back type anti-blocking brake system possesses the function of conventional hydraulic brake system, realizes conventional brake and traditional abs braking, in addition, by increasing control cock, according to instruction adjustable brake line pressure, coordinates conventional brake and motor regenerative braking power.
As shown in Figure 2, a kind of braking of battery electric vehicle energy recovery control method based on DCT, comprises the steps:
S1, step 1: entire car controller receives brake pedal signal, acceleration pedal signal, master cylinder pressure signal, vehicle speed signal and anti-blocking brake system status signal;
S2, step 2:S21, entire car controller are resolved driver intention according to brake pedal signal and master cylinder pressure signal; S22, calculating target braking force; S23, carry out decision-making according to the state of current brake antiblock device and car load speed of a motor vehicle state, whether perform regenerative brake and control; When brake pedal signal is zero and acceleration pedal signal non-zero, or anti-blocking brake system state is for starting, or SOC >=90%, does not enter braking mode; Be zero when brake pedal signal is non-zero or acceleration pedal signal, and battery SOC <90%, if the speed of a motor vehicle is greater than 10km/h and be less than 100km/h, enter braking mode; Be zero when brake pedal signal is non-zero or acceleration pedal signal, and battery SOC <90%, if the speed of a motor vehicle is less than 10km/h or is greater than 100km/h, do not enter braking mode;
If S3, step 3:S31 enter braking mode, entire car controller communicates with gearbox control, controls shift clutch pressure constant, keeps DCT Automatic Transmission current shift constant, do not carry out self shifter control, ensure whole process power failure-free; Gearbox control sends the gear information of current DCT Automatic Transmission to entire car controller, the maximum charging current that entire car controller allows according to present battery, battery terminal voltage, motor speed, DCT Automatic Transmission gear, calculate the regenerative braking moment that motor can provide; S32, terminate when braking mode, gearbox control controls change speed gear box gear and changes to a gear;
S4, step 4:S41, judge regenerative braking moment and target braking force size; If S42 regenerative braking force is greater than target braking force, then braking force is all provided by motor braking, controls motor and is in generating state; If S43 regenerative braking force is less than target braking force, then the regenerative braking moment of motor can not meet current demand braking force, remaining braking requirement is sent to and regulates line pressure by feed-back type anti-blocking brake system valve body, provided by mechanical friction braking force;
S5, step 5: entire car controller calculates according to motor braking power and target braking force and obtains residue braking force, residue braking force and trailing wheel can provide braking to compare, according to the front and back wheel braking relations of distribution, calculate the braking force of residue brakig force distribution on trailing wheel;
S6, step 6:S63, entire car controller, according to the speed of a motor vehicle gathered, are carried out braking deceleration calculating, compare with target braking force, if far below target braking force, think that motor braking lost efficacy, controlled to adjust by feed-back type anti-blocking brake system valve body; Then: S61, do not carry out regenerative brake control; S62, all adopt mechanical braking.
The method of calculating of regenerative braking moment is as follows: if 10km/h< is speed of a motor vehicle <100km/h, motor braking power is greater than target braking force, then control motor regenerative braking moment T=target braking force square/current DCT transmission ratio/base ratio; If 10km/h< is speed of a motor vehicle <100km/h, motor braking power is less than target braking force, then control motor regenerative braking moment T=motor maximum braking moment/current DCT transmission ratio/base ratio; Calculate remaining demand braking force, the size according to remaining demand braking force judges, is provided by front-wheel, trailing wheel or single rear wheel, and sends to EABS valve body adjustable brake line pressure; If 10km/h< is speed of a motor vehicle <100km/h, and acceleration pedal signal and brake pedal signal are zero, detect present battery status, control motor regenerative braking moment and carry out sliding brake function control with constant 15Nm, as detection speed of a motor vehicle <15km/h, control that the calculated relationship of motor regenerative braking moment=-3 × speed of a motor vehicle+30 is smoothing exits control, when the speed of a motor vehicle declines most 10km/h, Brake energy recovery control torque is 0, all withdraws from.
Described regenerative braking force acts on front-wheel.
As shown in Figure 3, be the detailed description of step 3.
As mentioned above, embodiments of the invention are explained, but as long as do not depart from inventive point of the present invention in fact and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation is also all included within protection scope of the present invention.

Claims (1)

1., based on a braking of battery electric vehicle energy recovery control method of DCT, it is characterized in that, comprise the steps:
Step 1: entire car controller receives brake pedal signal, acceleration pedal signal, master cylinder pressure signal, vehicle speed signal and anti-blocking brake system status signal;
Step 2: entire car controller is resolved driver intention according to brake pedal signal and master cylinder pressure signal, calculates target braking force, carries out decision-making according to the state of current brake antiblock device and car load speed of a motor vehicle state, whether performs regenerative brake and controls; When brake pedal signal is zero and acceleration pedal signal non-zero, or anti-blocking brake system state is for starting, or SOC >=90%, does not enter braking mode; Be zero when brake pedal signal is non-zero or acceleration pedal signal, and battery SOC <90%, if the speed of a motor vehicle is greater than 10km/h and be less than 100km/h, enter braking mode; Be zero when brake pedal signal is non-zero or acceleration pedal signal, and battery SOC <90%, if the speed of a motor vehicle is less than 10km/h or is greater than 100km/h, do not enter braking mode;
Step 3: if enter braking mode, entire car controller communicates with gearbox control, controls shift clutch pressure constant, keeps DCT Automatic Transmission current shift constant, does not carry out self shifter control, ensure whole process power failure-free; Gearbox control sends the gear information of current DCT Automatic Transmission to entire car controller, the maximum charging current that entire car controller allows according to present battery, battery terminal voltage, motor speed, DCT Automatic Transmission gear, calculate the regenerative braking moment that motor can provide; When braking mode terminates, gearbox control controls change speed gear box gear and changes to a gear; Wherein, the method for calculating of described regenerative braking moment is specially:
If 10km/h< is speed of a motor vehicle <100km/h, motor braking power is greater than target braking force, then calculate target braking force square according to target braking force, control motor regenerative braking moment T=target braking force square/current DCT transmission ratio/base ratio;
If 10km/h< is speed of a motor vehicle <100km/h, motor braking power is less than target braking force, then calculate target braking force square according to target braking force, control motor regenerative braking moment T=motor maximum braking moment/current DCT transmission ratio/base ratio; Calculate remaining demand braking force, the size according to remaining demand braking force judges, is provided by front-wheel, trailing wheel or single rear wheel, and sends to EABS valve body adjustable brake line pressure;
If 10km/h< is speed of a motor vehicle <100km/h, and acceleration pedal signal and brake pedal signal are zero, detect present battery status, control motor regenerative braking moment and carry out sliding brake function control with constant 15Nm;
As detection speed of a motor vehicle <15km/h, the calculated relationship of control motor regenerative braking moment=-3 × speed of a motor vehicle+30 is smoothing exits control;
When the speed of a motor vehicle declines most 10km/h, Brake energy recovery controlling torque is 0, all withdraws from;
Step 4: if regenerative braking force is greater than target braking force, then braking force is all provided by motor braking, controls motor and is in generating state; If when regenerative braking force is less than target braking force, then the regenerative braking moment of motor can not meet current demand braking force, and residue braking requirement sends to and regulates line pressure by feed-back type anti-blocking brake system valve body, is provided by mechanical friction braking force;
Step 5: entire car controller calculates according to motor braking power and target braking force and obtains residue braking force, residue braking force and the available braking force of trailing wheel are compared, according to the front and back wheel braking relations of distribution, calculate the braking force of residue brakig force distribution on trailing wheel;
Step 6: entire car controller carries out braking deceleration calculating according to the speed of a motor vehicle gathered, regenerative braking force is calculated according to braking deceleration, and this regenerative braking force is compared with target braking force, if far below target braking force, then think that motor braking lost efficacy, by the control and regulation of feed-back type anti-blocking brake system valve body, all adopt mechanical braking.
CN201210188756.4A 2012-06-08 2012-06-08 Pure electric vehicle braking energy recovery control system and method based on DCT (Data Communication Terminal) CN102717714B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210188756.4A CN102717714B (en) 2012-06-08 2012-06-08 Pure electric vehicle braking energy recovery control system and method based on DCT (Data Communication Terminal)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210188756.4A CN102717714B (en) 2012-06-08 2012-06-08 Pure electric vehicle braking energy recovery control system and method based on DCT (Data Communication Terminal)

Publications (2)

Publication Number Publication Date
CN102717714A CN102717714A (en) 2012-10-10
CN102717714B true CN102717714B (en) 2015-07-01

Family

ID=46943641

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210188756.4A CN102717714B (en) 2012-06-08 2012-06-08 Pure electric vehicle braking energy recovery control system and method based on DCT (Data Communication Terminal)

Country Status (1)

Country Link
CN (1) CN102717714B (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103847534B (en) * 2012-12-03 2016-02-10 北汽福田汽车股份有限公司 A kind of control method of control system of electric automobile
CN103129403B (en) * 2013-03-20 2015-07-29 南车株洲电力机车有限公司 A kind of composite brakig control method and device
CN103231658B (en) * 2013-05-14 2015-09-09 江西博能上饶客车有限公司 Electrobus brake system and control method thereof
DE102013215670A1 (en) * 2013-08-08 2015-02-12 Volkswagen Aktiengesellschaft Method for braking a vehicle and vehicle
CN104442431B (en) * 2013-09-17 2017-09-12 北汽福田汽车股份有限公司 The energy regenerating regulating system and its method of a kind of new-energy automobile
CN103552472B (en) * 2013-09-19 2015-09-30 南京理工大学 Non-rice habitats stroke-increasing electric automobile regenerative braking method
CN104276050B (en) 2014-01-30 2015-08-26 比亚迪股份有限公司 Vehicle and feedback braking control method
WO2015113412A1 (en) 2014-01-30 2015-08-06 Byd Company Limited Power transmission system for vehicle and vehicle comprising the same
CN104279311B (en) 2014-01-30 2015-11-25 比亚迪股份有限公司 The controlling method of synchronizer and vehicle in vehicle
US9944165B2 (en) 2014-01-30 2018-04-17 Byd Company Limited Power transmission system for vehicle and vehicle comprising the same
CN103818264B (en) * 2014-02-26 2016-03-30 浙江工业大学之江学院工业研究院 Electronlmobil regeneration brake system and energy reclaiming method thereof
CN104002686A (en) * 2014-06-13 2014-08-27 上海振华重工(集团)股份有限公司 Braking system and method for container straddle carrier
KR101601111B1 (en) * 2014-07-01 2016-03-08 현대자동차 주식회사 Method for calculating amount of regenerative braking for environmentally-friently vehicle
DE102014218077A1 (en) * 2014-09-10 2016-03-10 Robert Bosch Gmbh Method and device for operating a motor vehicle, motor vehicle
WO2016037470A1 (en) 2014-09-10 2016-03-17 Byd Company Limited Power transmission system and vehicle comprising the same
CN105437962B (en) * 2014-09-26 2018-09-11 比亚迪股份有限公司 Hybrid vehicle and its energy back-feed control method and power drive system
US10166973B2 (en) 2014-10-20 2019-01-01 Byd Company Limited Vehicle and shifting control method and power transmission system thereof
CN105620307B (en) * 2014-10-31 2018-08-14 上海惠太多元新能源科技有限公司 The drive system and method for pure electric automobile
CN104842903B (en) * 2014-12-18 2017-10-10 北汽福田汽车股份有限公司 A kind of electric automobile electric-control system, electric automobile and failure information delivery method
EP3245092A4 (en) 2015-01-16 2018-04-11 BYD Company Limited Power transmission system and vehicle comprising the same
CN104773063B (en) 2015-01-16 2015-12-02 比亚迪股份有限公司 Change-speed box, Power Train are unified vehicle
EP3245090A4 (en) 2015-01-16 2018-01-10 BYD Company Limited Transmission unit, power transmission system and vehicle comprising the same
EP3245089A4 (en) 2015-01-16 2018-01-10 BYD Company Limited Power transmission system and vehicle comprising the same
CN104786851A (en) * 2015-04-03 2015-07-22 安徽安凯汽车股份有限公司 Electric passenger car brake energy efficient recycling control method
CN105584374B (en) * 2016-01-05 2017-10-27 台州台鹰电动汽车有限公司 A kind of electric automobile energy feedback system and energy feedback method based on ABS
KR101755984B1 (en) * 2016-02-12 2017-07-20 현대자동차주식회사 Control method for hybrid vehicle with dct
CN107187330B (en) * 2017-05-31 2020-07-03 成都雅骏新能源汽车科技股份有限公司 Power battery protection method and system for pure electric vehicle
CN107499142B (en) * 2017-08-14 2020-07-10 上海中科深江电动车辆有限公司 Active electric vehicle regenerative braking control system and method thereof
CN107600061A (en) * 2017-09-14 2018-01-19 奇瑞汽车股份有限公司 A kind of mixed electrical automobile regenerative braking method and system
CN108515964B (en) * 2018-03-22 2020-09-08 吉利汽车研究院(宁波)有限公司 Automobile torque distribution method, device and system
CN109435700A (en) * 2018-10-31 2019-03-08 重庆工商大学 Electric automobile energy back-feed control method
CN110203207A (en) * 2019-04-24 2019-09-06 汉腾汽车有限公司 A kind of automobile opens the determination method of required vehicle speed value when energy regenerating

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06286592A (en) * 1993-03-31 1994-10-11 Nissan Motor Co Ltd Brake liquid pressure control device
CN2602964Y (en) * 2002-11-12 2004-02-11 上海燃料电池汽车动力系统有限公司 Motor feedback braking and hydraulic braking combined controlled brake system
KR100634589B1 (en) * 2003-12-24 2006-10-13 현대자동차주식회사 A double clutch transmission for hybrid electric vehicle and operating method by mode thereof
CN101149095B (en) * 2007-10-25 2010-12-01 同济大学 Hybrid power drive device based on double clutch automatic speed-changer
CN101837773A (en) * 2010-05-19 2010-09-22 清华大学 Brake energy recovery hydraulic braking system based on VDC (Vehicle Dynamics Control)/VSC (Vehicle Stability Control)/ESP (Electronic Stability Program) pressure regulator
CN102166961B (en) * 2011-03-31 2013-03-27 北京汽车新能源汽车有限公司 AT (automatic transmission)-based pure electric automobile brake energy recovery control system and method thereof
CN202641405U (en) * 2012-06-08 2013-01-02 北京汽车新能源汽车有限公司 Braking energy recovery control system of blade electric vehicle based on dual clutch transmission (DCT)

Also Published As

Publication number Publication date
CN102717714A (en) 2012-10-10

Similar Documents

Publication Publication Date Title
CN102205844B (en) Equipment and manufacture method thereof for combination drive direct torque
US7363122B2 (en) Method for controlling a hybrid drive of a vehicle
CN103192737B (en) Drive control method for all-electric car
CN101643034B (en) Vehicle deceleration rate control method and apparatus
CN102991331B (en) Plug-in hybrid electric vehicle
CN1982135B (en) Engine stop control apparatus for hybrid vehicle
CN100475596C (en) Vehicle regenerative braking control apparatus and method
CN102923128B (en) Method for controlling four-wheel hub motor to separately drive regenerative braking system of electric vehicle
CN106274468B (en) A kind of four-wheel drive system and electric car of electric car
CN103407449B (en) A kind of hydraulic pressure assistive drive and brake system and control method thereof
CN102218985B (en) The method of propulsive effort is distributed in vehicle
CN103818264B (en) Electronlmobil regeneration brake system and energy reclaiming method thereof
Li et al. AMT downshifting strategy design of HEV during regenerative braking process for energy conservation
Sangtarash et al. Effect of different regenerative braking strategies on braking performance and fuel economy in a hybrid electric bus employing CRUISE vehicle simulation
US8062175B2 (en) Method and apparatus for optimizing braking control during a threshold braking event
CN201769674U (en) Hybrid power system
CN108081961B (en) braking energy recovery control method and device and electric automobile
CN105683009B (en) Braking force controller
JP2004099029A (en) Braking and controllability control method and system of vehicle with regenerative braking
CN103991386A (en) Range extending type whole electric automobile control system and method
CN103287411B (en) Method for controlling anti-lock system of four-hub-motor drive electric car free of hydraulic braking
CN102381177B (en) Electric four-drive hybrid system and control method thereof
US6631960B2 (en) Series regenerative braking torque control systems and methods
CN103231658B (en) Electrobus brake system and control method thereof
CN102114834B (en) X-type pipeline layout energy feedback type hydraulic antilock brake system for electric vehicle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 102606 Beijing City Economic Development Zone, Daxing District Caiyu mining and Road No. 1

Patentee after: Beijing new-energy automobile Company Limited by Shares

Address before: 102606 Beijing City Economic Development Zone, Daxing District Caiyu mining and Road No. 1

Patentee before: Beijing Auto New Energy Auto Co., Ltd.