CN1895941A - Control for increasing mixed-kinetic braking-energy recovery of automobile - Google Patents
Control for increasing mixed-kinetic braking-energy recovery of automobile Download PDFInfo
- Publication number
- CN1895941A CN1895941A CNA2005100169773A CN200510016977A CN1895941A CN 1895941 A CN1895941 A CN 1895941A CN A2005100169773 A CNA2005100169773 A CN A2005100169773A CN 200510016977 A CN200510016977 A CN 200510016977A CN 1895941 A CN1895941 A CN 1895941A
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- Hybrid Electric Vehicles (AREA)
Abstract
A control method for improving the braking energy recovery of the car with mixed power features that when the car is braked for deceleration, the engine is separated from power drive system by clutch and the electric generation load of electric generator is increase by recovering the braking energy.
Description
Technical field:
The present invention relates to the control method of hybrid power automobile power system, particularly relate to a kind of control method that the hybrid vehicle braking energy reclaims that improves.
Background technology:
Along with becoming increasingly conspicuous of global environment and energy problem, the new automobile of exploitation anti-emission carburetor, low oil consumption becomes the top priority of current automobile industry development.The mixed power electric car technology has been avoided the deficiency of pure electric automobile on battery technology and energy Infrastructure, is a good solution of current problem, has become the focus of current international automobile research and development.
Utilizing electric power generation to reclaim braking energy is one of energy-conservation main path of hybrid vehicle.At present, in the parallel hybrid electric power system, when car brakeing was slowed down, driving engine and power drive system were linked together, the launched machine in-to-in of brake snub energy mechanical friction consumes, and can store the electric energy that utilizes again and can not be recovered as by motor.As shown in Figure 2, braking energy reclaims few, has therefore reduced the fuel efficiency of car load.
Summary of the invention:
The object of the present invention is to provide a kind of control method that the hybrid vehicle braking energy reclaims that improves, when car brakeing is slowed down, the utilization power-transfer clutch disconnects driving engine and power drive system, improve the electric power generation brake load simultaneously, the braking force that causes after throwing off with the compensation driving engine reduces, thereby has improved the percent recovery of braking energy.
Technical scheme of the present invention is achieved in that and improves the control method that the hybrid vehicle braking energy reclaims, be to be carrier with the entire car controller, by comprising entire car controller, motor and controller thereof, battery and administrative unit thereof, power-transfer clutch and controller thereof, acceleration pedal jaw opening sensor, brake pedal position sensor, the control system of compositions such as car speed sensor realizes; It is characterized in that when car brakeing is slowed down the utilization power-transfer clutch disconnects driving engine and power drive system, improves the electric power generation brake load simultaneously; When the information that entire car controller provides according to the acceleration pedal jaw opening sensor judges that acceleration pedal is in closed condition, instruction clutch controller combustion cutoff connects with power drive system, instructs electric machine controller to realize that electric power generation reclaims braking energy simultaneously; In whole braking procedure, entire car controller is constantly handled the hybrid power system work state information and is comprised the speed of a motor vehicle, vehicle acceleration, rate of braking requirement, battery electric quantity state etc., calculate in real time and send the motor braking torque demand to electric machine controller and instruct, institute's output power is stored in the electrokinetic cell, steadily stops until vehicle.
Good effect of the present invention is to have improved the percent recovery of braking energy under the prerequisite that guarantees identical deceleration and stopping performance, has also promptly improved the fuel efficiency of car load.
Description of drawings:
Fig. 1 is a parallel hybrid electric power system structural representation
Fig. 2 is the torque control method scheme drawing of present parallel hybrid electric power system during braking.
Fig. 3 is the torque control method scheme drawing of parallel hybrid electric power system during braking that the present invention proposes.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing:
In the hybrid vehicle that parallel connection type hybrid power system as shown in Figure 1 constitutes, main motor 5 is arranged in change-speed box 4 (AMT form, change-speed box and main reduction gear and diff are integrated) rear end, and rotor axis of electric directly connects with transmission output shaft; Auxiliary-motor 2 is arranged in a side of driving engine 1, connects with the engine crankshaft front end by belt.The controller 17 of master in the structure/auxiliary-motor controller 30/32, control unit of engine 14, automatic mechanical transmission AMT, entire car controller 21, battery management unit 24 are hybrid power system energy management and the required electronics package of automatic guidance, adopt network (as CAB-bus) to connect between them; Speed-changing lever position switch 18, ignition lock 20, brake pedal position sensor 22, acceleration pedal aperture position transduser 23 are the devices that transmit the driver drives vehicle instruction, and wherein speed-changing lever position switch 18 and the controller 17 of AMT adopt that wirning harnesses are connected, ignition lock 20, brake pedal position position transduser 22 be connected with entire car controller 21 employing wirning harnesses with acceleration pedal aperture position transduser 23.Employing wirning harnesses such as sensors such as the water temperature on control unit of engine and the engine body, rotating speed, charge air and throttle gate actuator, fuel injector are connected; Change-speed box AMT controller comprises clutch controller, it with clutch actuator, clutch position sensor, select the gear shift actuator, select employing wirning harnesses such as shift pattern sensor to be connected; Electric machine controller and coil of stator of motor adopt high-tension cable to be connected, to be connected with water temperature, rotating speed/position transduser employing wirning harness on the motor body; Voltage on battery management unit and the battery pack body, electric current, temperature sensor adopt wirning harness to be connected; Electrokinetic cell adopts high-tension cable to be connected with electric machine controller.
The realization of braking energy take-back model: when vehicle needs braking deceleration, chaufeur will speed up pedal and all unclamps, acceleration pedal jaw opening sensor 23 is delivered to entire car controller 21 with coherent signal, entire car controller calculates electric power generation brake torque requirements in real time according to the hybrid power system work state information, and instruct main electric machine controller 30 to control main motor 5 on request and carry out dynamic brake, institute's output power is stored in the electrokinetic cell 8.
Improve the control method that the hybrid vehicle braking energy reclaims, be to be carrier with above-mentioned entire car controller, by comprising controller, motor and controller thereof, battery and administrative unit thereof, power-transfer clutch and controller thereof, acceleration pedal jaw opening sensor, brake pedal position sensor, the control system of compositions such as car speed sensor realizes; When vehicle needs braking deceleration, chaufeur will speed up pedal and all unclamps, the information that entire car controller provides according to the acceleration pedal jaw opening sensor judges that acceleration pedal is in after the closed condition, immediate instruction clutch controller control clutch combustion cutoff connects with power drive system, as shown in Figure 3, instruct motor to begin generating simultaneously and reclaim braking energy; In whole braking procedure, entire car controller is constantly handled the hybrid power system work state information and is comprised the speed of a motor vehicle, vehicle acceleration, rate of braking requirement, battery electric quantity state etc., calculate in real time and send the motor braking torque demand to electric machine controller and instruct, institute's output power is stored in the electrokinetic cell, steadily stops until vehicle; Improve the braking force that causes after motor braking torque load compensation driving engine is thrown off and reduce, thereby under the prerequisite that guarantees identical deceleration and stopping performance, improved the percent recovery of braking energy, promptly improved the fuel efficiency of car load.
Claims (2)
1, improves the control method that the hybrid vehicle braking energy reclaims, be to be carrier with the entire car controller, comprise entire car controller, motor and controller thereof, battery and administrative unit thereof, power-transfer clutch and controller thereof, acceleration pedal jaw opening sensor, brake pedal position sensor, the control system of compositions such as car speed sensor realizes; It is characterized in that when car brakeing is slowed down the utilization power-transfer clutch disconnects driving engine and power drive system, improves the electric power generation brake load simultaneously.
2, the control method of raising hybrid vehicle braking energy recovery according to claim 1, it is characterized in that when car brakeing is slowed down, when the information that entire car controller provides according to the acceleration pedal jaw opening sensor judges that acceleration pedal is in closed condition, instruction clutch controller combustion cutoff connects with power drive system, instructs electric machine controller to realize that electric power generation reclaims braking energy simultaneously; In whole braking procedure, entire car controller is constantly handled the hybrid power system work state information and is comprised the speed of a motor vehicle, vehicle acceleration, rate of braking requirement, battery electric quantity state etc., calculate in real time and send the motor braking torque demand to electric machine controller and instruct, institute's output power is stored in the electrokinetic cell, steadily stops until vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100169773A CN1895941A (en) | 2005-07-15 | 2005-07-15 | Control for increasing mixed-kinetic braking-energy recovery of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100169773A CN1895941A (en) | 2005-07-15 | 2005-07-15 | Control for increasing mixed-kinetic braking-energy recovery of automobile |
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| CN1895941A true CN1895941A (en) | 2007-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2005100169773A Pending CN1895941A (en) | 2005-07-15 | 2005-07-15 | Control for increasing mixed-kinetic braking-energy recovery of automobile |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101112869B (en) * | 2007-09-14 | 2010-06-16 | 奇瑞汽车股份有限公司 | Automobile energy source regenerative braking system and the control method thereof |
| CN101830184A (en) * | 2010-04-20 | 2010-09-15 | 爱德利科技股份有限公司 | Electric locomotive with mutual transmission control between electric motor and wheels |
| CN101982340A (en) * | 2010-11-15 | 2011-03-02 | 奇瑞汽车股份有限公司 | System for recovering electric automotive energy and control method thereof |
| CN101327746B (en) * | 2007-06-19 | 2011-05-25 | 比亚迪股份有限公司 | Electric automobile braking system |
| CN102139694A (en) * | 2010-12-30 | 2011-08-03 | 中国第一汽车集团公司 | Regenerative braking control method for hybrid power car |
| CN102189985A (en) * | 2010-02-16 | 2011-09-21 | 马格纳斯泰尔汽车技术两合公司 | Method and control/regulation system for braking a vehicle, and vehicle |
| CN102269658A (en) * | 2011-04-29 | 2011-12-07 | 北京工业大学 | Electro-hydraulic combined brake experiment vehicle |
| CN102345731A (en) * | 2011-09-16 | 2012-02-08 | 清华大学 | Mechanical transmission automatic shift system used for electromobile |
| CN102529946A (en) * | 2010-12-29 | 2012-07-04 | 上海汽车集团股份有限公司 | Regenerative braking control method for hybrid electric vehicle |
| CN102529971A (en) * | 2012-02-17 | 2012-07-04 | 苏州海格新能源汽车电控系统科技有限公司 | Anti-slip device for integral new-energy passenger vehicle controller and anti-slip method |
| CN102806874A (en) * | 2012-08-22 | 2012-12-05 | 上汽通用五菱汽车股份有限公司 | Clutch and brake mechanism and energy recovery system of pure electric vehicle |
| CN102975702A (en) * | 2012-12-12 | 2013-03-20 | 奇瑞汽车股份有限公司 | Tandem regenerative brake control method |
| CN103140400B (en) * | 2010-10-22 | 2015-11-25 | 日野自动车株式会社 | Vehicle and control method |
| CN107487313A (en) * | 2017-06-19 | 2017-12-19 | 宝沃汽车（中国）有限公司 | The clutch control method and device of hybrid vehicle |
| CN111287855A (en) * | 2018-11-22 | 2020-06-16 | 大众汽车有限公司 | Method for controlling and/or regulating a hybrid drive train of a motor vehicle |
| CN112051065A (en) * | 2020-08-19 | 2020-12-08 | 中国第一汽车股份有限公司 | Engine brake system testing method |
-
2005
- 2005-07-15 CN CNA2005100169773A patent/CN1895941A/en active Pending
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327746B (en) * | 2007-06-19 | 2011-05-25 | 比亚迪股份有限公司 | Electric automobile braking system |
| CN101112869B (en) * | 2007-09-14 | 2010-06-16 | 奇瑞汽车股份有限公司 | Automobile energy source regenerative braking system and the control method thereof |
| CN102189985A (en) * | 2010-02-16 | 2011-09-21 | 马格纳斯泰尔汽车技术两合公司 | Method and control/regulation system for braking a vehicle, and vehicle |
| CN101830184A (en) * | 2010-04-20 | 2010-09-15 | 爱德利科技股份有限公司 | Electric locomotive with mutual transmission control between electric motor and wheels |
| CN103140400B (en) * | 2010-10-22 | 2015-11-25 | 日野自动车株式会社 | Vehicle and control method |
| CN101982340B (en) * | 2010-11-15 | 2013-03-27 | 奇瑞汽车股份有限公司 | System for recovering electric automotive energy and control method thereof |
| CN101982340A (en) * | 2010-11-15 | 2011-03-02 | 奇瑞汽车股份有限公司 | System for recovering electric automotive energy and control method thereof |
| CN102529946A (en) * | 2010-12-29 | 2012-07-04 | 上海汽车集团股份有限公司 | Regenerative braking control method for hybrid electric vehicle |
| CN102529946B (en) * | 2010-12-29 | 2015-06-17 | 上海汽车集团股份有限公司 | Regenerative braking control method for hybrid electric vehicle |
| CN102139694A (en) * | 2010-12-30 | 2011-08-03 | 中国第一汽车集团公司 | Regenerative braking control method for hybrid power car |
| CN102269658A (en) * | 2011-04-29 | 2011-12-07 | 北京工业大学 | Electro-hydraulic combined brake experiment vehicle |
| CN102345731A (en) * | 2011-09-16 | 2012-02-08 | 清华大学 | Mechanical transmission automatic shift system used for electromobile |
| CN102529971B (en) * | 2012-02-17 | 2015-08-05 | 苏州海格新能源汽车电控系统科技有限公司 | Integral new-energy passenger entire car controller is anti-slips by slope devices and methods therefor |
| CN102529971A (en) * | 2012-02-17 | 2012-07-04 | 苏州海格新能源汽车电控系统科技有限公司 | Anti-slip device for integral new-energy passenger vehicle controller and anti-slip method |
| CN102806874B (en) * | 2012-08-22 | 2015-01-07 | 上汽通用五菱汽车股份有限公司 | Clutch and brake mechanism and energy recovery system of pure electric vehicle |
| CN102806874A (en) * | 2012-08-22 | 2012-12-05 | 上汽通用五菱汽车股份有限公司 | Clutch and brake mechanism and energy recovery system of pure electric vehicle |
| CN102975702A (en) * | 2012-12-12 | 2013-03-20 | 奇瑞汽车股份有限公司 | Tandem regenerative brake control method |
| CN107487313A (en) * | 2017-06-19 | 2017-12-19 | 宝沃汽车（中国）有限公司 | The clutch control method and device of hybrid vehicle |
| CN111287855A (en) * | 2018-11-22 | 2020-06-16 | 大众汽车有限公司 | Method for controlling and/or regulating a hybrid drive train of a motor vehicle |
| US11433870B2 (en) | 2018-11-22 | 2022-09-06 | Volkswagen Aktiengesellschaft | Method for control and/or regulation of a hybrid powertrain of a motor vehicle with an exhaust gas recirculation system |
| CN111287855B (en) * | 2018-11-22 | 2023-02-03 | 大众汽车有限公司 | Method for controlling and/or regulating a hybrid drive train of a motor vehicle |
| CN112051065A (en) * | 2020-08-19 | 2020-12-08 | 中国第一汽车股份有限公司 | Engine brake system testing method |
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